Utilities/py3flakes/checker.py

Thu, 12 Jan 2012 18:47:58 +0100

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Thu, 12 Jan 2012 18:47:58 +0100
branch
5_1_x
changeset 1536
7d766369823d
parent 1510
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permissions
-rw-r--r--

A little change to py3flakes.
(transplanted from e5b76a5eda84f7f1495f9bc636adcd8303300c24)

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1 # -*- coding: utf-8 -*-
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2
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e75ecf2bd9dd Updated copyright for 2012.
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3 # Copyright (c) 2010 - 2012 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5 # Original (c) 2005-2010 Divmod, Inc.
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6 #
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7 # This module is based on pyflakes for Python2 but was heavily hacked to
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8 # work with Python3 and eric5
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10 import builtins
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11 import os.path
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12 import ast
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13
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14 from . import messages
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16 class Binding(object):
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17 """
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18 Represents the binding of a value to a name.
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19
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20 The checker uses this to keep track of which names have been bound and
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21 which names have not. See Assignment for a special type of binding that
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22 is checked with stricter rules.
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23 """
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24 def __init__(self, name, source):
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25 self.name = name
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26 self.source = source
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27 self.used = False
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28
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29 def __str__(self):
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30 return self.name
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31
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32 def __repr__(self):
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33 return '<{0} object {1!r} from line {2!r} at 0x{3:x}>'.format(
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34 self.__class__.__name__,
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35 self.name,
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36 self.source.lineno,
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37 id(self))
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38
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39 class UnBinding(Binding):
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40 '''
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41 Created by the 'del' operator.
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42 '''
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43
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44 class Importation(Binding):
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45 """
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46 A binding created by an import statement.
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47 """
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48 def __init__(self, name, source):
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49 self.fullName = name
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50 name = name.split('.')[0]
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51 super(Importation, self).__init__(name, source)
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52
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53 class Argument(Binding):
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54 """
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55 Represents binding a name as an argument.
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56 """
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57
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58 class Assignment(Binding):
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59 """
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60 Represents binding a name with an explicit assignment.
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61
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62 The checker will raise warnings for any Assignment that isn't used. Also,
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63 the checker does not consider assignments in tuple/list unpacking to be
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64 Assignments, rather it treats them as simple Bindings.
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65 """
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66
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67 class FunctionDefinition(Binding):
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68 """
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69 Represents a function definition.
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70 """
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71 pass
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72
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73 class ExportBinding(Binding):
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74 """
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75 A binding created by an __all__ assignment. If the names in the list
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76 can be determined statically, they will be treated as names for export and
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77 additional checking applied to them.
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78
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79 The only __all__ assignment that can be recognized is one which takes
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80 the value of a literal list containing literal strings. For example::
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81
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82 __all__ = ["foo", "bar"]
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83
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84 Names which are imported and not otherwise used but appear in the value of
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85 __all__ will not have an unused import warning reported for them.
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86 """
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87 def names(self):
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88 """
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89 Return a list of the names referenced by this binding.
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90 """
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91 names = []
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92 if isinstance(self.source, ast.List):
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93 for node in self.source.elts:
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94 if isinstance(node, (ast.Str, ast.Bytes)):
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95 names.append(node.s)
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96 elif isinstance(node, ast.Num):
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97 names.append(node.n)
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98 return names
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99
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100 class Scope(dict):
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101 """
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102 Class defining the scope base class.
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103 """
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104 importStarred = False # set to True when import * is found
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105
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106 def __repr__(self):
428
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107 return '<{0} at 0x{1:x} {2}>'.format(
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108 self.__class__.__name__, id(self), dict.__repr__(self))
88
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109
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110 def __init__(self):
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111 super(Scope, self).__init__()
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112
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113 class ClassScope(Scope):
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114 """
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115 Class representing a name scope for a class.
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116 """
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117 pass
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118
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119 class FunctionScope(Scope):
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120 """
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121 Class representing a name scope for a function.
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122 """
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123 def __init__(self):
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124 super(FunctionScope, self).__init__()
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125 self.globals = {}
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126
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127 class ModuleScope(Scope):
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128 """
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129 Class representing a name scope for a module.
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130 """
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131 pass
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132
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133 # Globally defined names which are not attributes of the builtins module.
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134 _MAGIC_GLOBALS = ['__file__', '__builtins__']
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135
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136 class Checker(object):
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137 """
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138 Class to check the cleanliness and sanity of Python code.
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139 """
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140 nodeDepth = 0
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141 traceTree = False
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142
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143 def __init__(self, module, filename = '(none)'):
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144 """
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145 Constructor
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146
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147 @param module parsed module tree or module source code
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148 @param filename name of the module file (string)
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149 """
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150 self._deferredFunctions = []
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151 self._deferredAssignments = []
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152 self.dead_scopes = []
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153 self.messages = []
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154 self.filename = filename
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155 self.scopeStack = [ModuleScope()]
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156 self.futuresAllowed = True
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157
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158 if isinstance(module, str):
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159 module = ast.parse(module, filename, "exec")
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160 self.handleBody(module)
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161 self._runDeferred(self._deferredFunctions)
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162 # Set _deferredFunctions to None so that deferFunction will fail
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163 # noisily if called after we've run through the deferred functions.
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164 self._deferredFunctions = None
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165 self._runDeferred(self._deferredAssignments)
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166 # Set _deferredAssignments to None so that deferAssignment will fail
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167 # noisly if called after we've run through the deferred assignments.
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168 self._deferredAssignments = None
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169 del self.scopeStack[1:]
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170 self.popScope()
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171 self.check_dead_scopes()
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172
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173 def deferFunction(self, callable):
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174 '''
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175 Schedule a function handler to be called just before completion.
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176
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177 This is used for handling function bodies, which must be deferred
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178 because code later in the file might modify the global scope. When
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179 `callable` is called, the scope at the time this is called will be
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180 restored, however it will contain any new bindings added to it.
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181 '''
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182 self._deferredFunctions.append((callable, self.scopeStack[:]))
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183
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184 def deferAssignment(self, callable):
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185 """
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186 Schedule an assignment handler to be called just after deferred
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187 function handlers.
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188 """
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189 self._deferredAssignments.append((callable, self.scopeStack[:]))
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190
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191 def _runDeferred(self, deferred):
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192 """
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193 Run the callables in deferred using their associated scope stack.
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194 """
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195 for handler, scope in deferred:
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196 self.scopeStack = scope
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197 handler()
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198
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199 def scope(self):
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200 return self.scopeStack[-1]
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201 scope = property(scope)
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202
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203 def popScope(self):
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204 self.dead_scopes.append(self.scopeStack.pop())
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205
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206 def check_dead_scopes(self):
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207 """
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208 Look at scopes which have been fully examined and report names in them
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209 which were imported but unused.
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210 """
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211 for scope in self.dead_scopes:
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212 export = isinstance(scope.get('__all__'), ExportBinding)
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213 if export:
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214 all = scope['__all__'].names()
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215 if os.path.split(self.filename)[1] != '__init__.py':
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216 # Look for possible mistakes in the export list
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217 undefined = set(all) - set(scope)
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218 for name in undefined:
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219 self.report(
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220 messages.UndefinedExport,
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221 scope['__all__'].source.lineno,
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222 name)
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223 else:
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224 all = []
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225
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226 # Look for imported names that aren't used.
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227 for importation in scope.values():
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228 if isinstance(importation, Importation):
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229 if not importation.used and importation.name not in all:
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230 self.report(
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231 messages.UnusedImport,
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232 importation.source.lineno,
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233 importation.name)
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234
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235 def pushFunctionScope(self):
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236 self.scopeStack.append(FunctionScope())
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237
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238 def pushClassScope(self):
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239 self.scopeStack.append(ClassScope())
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240
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241 def report(self, messageClass, *args, **kwargs):
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242 self.messages.append(messageClass(self.filename, *args, **kwargs))
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243
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244 def handleBody(self, tree):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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245 for node in tree.body:
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246 self.handleNode(node, tree)
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247
688
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248 def handleChildren(self, tree):
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249 for node in ast.iter_child_nodes(tree):
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250 self.handleNode(node, tree)
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251
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252 def isDocstring(self, node):
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253 """
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254 Determine if the given node is a docstring, as long as it is at the
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255 correct place in the node tree.
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256 """
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257 return isinstance(node, ast.Str) or \
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258 (isinstance(node, ast.Expr) and
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259 isinstance(node.value, ast.Str))
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260
88
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261 def handleNode(self, node, parent):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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262 if node:
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263 node.parent = parent
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264 if self.traceTree:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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265 print(' ' * self.nodeDepth + node.__class__.__name__)
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266 self.nodeDepth += 1
688
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267 if self.futuresAllowed and not \
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diff changeset
268 (isinstance(node, ast.ImportFrom) or self.isDocstring(node)):
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269 self.futuresAllowed = False
88
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270 nodeType = node.__class__.__name__.upper()
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271 try:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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272 handler = getattr(self, nodeType)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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273 handler(node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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274 finally:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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275 self.nodeDepth -= 1
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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276 if self.traceTree:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
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277 print(' ' * self.nodeDepth + 'end ' + node.__class__.__name__)
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parents:
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278
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279 def ignore(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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280 pass
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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281
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282 # ast nodes to be ignored
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283 PASS = CONTINUE = BREAK = ELLIPSIS = NUM = STR = BYTES = \
688
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parents: 428
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284 LOAD = STORE = DEL = AUGLOAD = AUGSTORE = PARAM = \
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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285 ATTRIBUTES = AND = OR = ADD = SUB = MULT = DIV = \
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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286 MOD = POW = LSHIFT = RSHIFT = BITOR = BITXOR = BITAND = FLOORDIV = \
688
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parents: 428
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287 INVERT = NOT = UADD = USUB = EQ = NOTEQ = LT = LTE = GT = GTE = IS = \
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288 ISNOT = IN = NOTIN = ignore
88
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289
688
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290 # "stmt" type nodes
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291 RETURN = DELETE = PRINT = WHILE = IF = WITH = RAISE = TRYEXCEPT = \
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292 TRYFINALLY = ASSERT = EXEC = EXPR = handleChildren
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293
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294 # "expr" type nodes
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295 BOOLOP = BINOP = UNARYOP = IFEXP = DICT = SET = YIELD = COMPARE = \
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296 CALL = REPR = ATTRIBUTE = SUBSCRIPT = LIST = TUPLE = handleChildren
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297
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298 # "slice" type nodes
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299 SLICE = EXTSLICE = INDEX = handleChildren
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300
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301 # additional node types
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302 COMPREHENSION = KEYWORD = handleChildren
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303
88
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304 def addBinding(self, lineno, value, reportRedef = True):
801
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
305 '''
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Detlev Offenbach <detlev@die-offenbachs.de>
parents: 791
diff changeset
306 Called when a binding is altered.
88
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307
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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diff changeset
308 @param lineno line of the statement responsible for the change (integer)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
309 @param value the optional new value, a Binding instance, associated
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
310 with the binding; if None, the binding is deleted if it exists
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
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311 @param reportRedef flag indicating if rebinding while unused will be
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
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312 reported (boolean)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
313 '''
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
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314 if (isinstance(self.scope.get(value.name), FunctionDefinition)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
315 and isinstance(value, FunctionDefinition)):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
316 self.report(messages.RedefinedFunction,
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
317 lineno, value.name, self.scope[value.name].source.lineno)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
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318
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
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319 if not isinstance(self.scope, ClassScope):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
320 for scope in self.scopeStack[::-1]:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
321 existing = scope.get(value.name)
689
8ed6155d4d65 Fixed an issue with the new py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 688
diff changeset
322 if isinstance(existing, Importation) and \
8ed6155d4d65 Fixed an issue with the new py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 688
diff changeset
323 not existing.used and \
8ed6155d4d65 Fixed an issue with the new py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 688
diff changeset
324 not isinstance(value, UnBinding) and \
8ed6155d4d65 Fixed an issue with the new py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 688
diff changeset
325 (not isinstance(value, Importation) or \
8ed6155d4d65 Fixed an issue with the new py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 688
diff changeset
326 value.fullName == existing.fullName) and \
8ed6155d4d65 Fixed an issue with the new py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 688
diff changeset
327 reportRedef:
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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diff changeset
328 self.report(messages.RedefinedWhileUnused,
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
329 lineno, value.name, scope[value.name].source.lineno)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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330
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
331 if isinstance(value, UnBinding):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
332 try:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
333 del self.scope[value.name]
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
334 except KeyError:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
335 self.report(messages.UndefinedName, lineno, value.name)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
336 else:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
337 self.scope[value.name] = value
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
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338
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
339 ############################################################
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
340 ## individual handler methods below
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
341 ############################################################
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
342
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
343 def GLOBAL(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
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diff changeset
344 """
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
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parents:
diff changeset
345 Keep track of globals declarations.
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
346 """
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
347 if isinstance(self.scope, FunctionScope):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
348 self.scope.globals.update(dict.fromkeys(node.names))
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
349
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
350 NONLOCAL = GLOBAL
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
351
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
352 def LISTCOMP(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
353 for generator in node.generators:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
354 self.handleNode(generator, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
355 self.handleNode(node.elt, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
356
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
357 SETCOMP = GENERATOREXP = LISTCOMP
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
358
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
359 def DICTCOMP(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
360 for generator in node.generators:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
361 self.handleNode(generator, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
362 self.handleNode(node.key, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
363 self.handleNode(node.value, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
364
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
365 def FOR(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
366 """
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
367 Process bindings for loop variables.
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
368 """
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
369 vars = []
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
370 def collectLoopVars(n):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
371 if isinstance(n, ast.Name):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
372 vars.append(n.id)
688
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
373 elif isinstance(n, ast.expr_context):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
374 return
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
375 else:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
376 for c in ast.iter_child_nodes(n):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
377 collectLoopVars(c)
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
378
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
379 collectLoopVars(node.target)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
380 for varn in vars:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
381 if (isinstance(self.scope.get(varn), Importation)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
382 # unused ones will get an unused import warning
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
383 and self.scope[varn].used):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
384 self.report(messages.ImportShadowedByLoopVar,
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
385 node.lineno, varn, self.scope[varn].source.lineno)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
386
688
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
387 self.handleChildren(node)
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
388
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
389 def NAME(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
390 """
688
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
391 Handle occurrence of Name (which can be a load/store/delete access.)
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
392 """
688
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
393 # Locate the name in locals / function / globals scopes.
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
394 if isinstance(node.ctx, (ast.Load, ast.AugLoad)):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
395 # try local scope
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
396 importStarred = self.scope.importStarred
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
397 try:
688
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
398 self.scope[node.id].used = (self.scope, node.lineno)
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
399 except KeyError:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
400 pass
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
401 else:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
402 return
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
403
688
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
404 # try enclosing function scopes
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
405 for scope in self.scopeStack[-2:0:-1]:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
406 importStarred = importStarred or scope.importStarred
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
407 if not isinstance(scope, FunctionScope):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
408 continue
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
409 try:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
410 scope[node.id].used = (self.scope, node.lineno)
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
411 except KeyError:
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
412 pass
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
413 else:
688
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
414 return
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
415
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
416 # try global scope
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
417 importStarred = importStarred or self.scopeStack[0].importStarred
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
418 try:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
419 self.scopeStack[0][node.id].used = (self.scope, node.lineno)
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
420 except KeyError:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
421 if ((not hasattr(builtins, node.id))
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
422 and node.id not in _MAGIC_GLOBALS
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
423 and not importStarred):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
424 if (os.path.basename(self.filename) == '__init__.py' and
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
425 node.id == '__path__'):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
426 # the special name __path__ is valid only in packages
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
427 pass
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
428 else:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
429 self.report(messages.UndefinedName, node.lineno, node.id)
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
430 elif isinstance(node.ctx, (ast.Store, ast.AugStore)):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
431 # if the name hasn't already been defined in the current scope
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
432 if isinstance(self.scope, FunctionScope) and node.id not in self.scope:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
433 # for each function or module scope above us
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
434 for scope in self.scopeStack[:-1]:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
435 if not isinstance(scope, (FunctionScope, ModuleScope)):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
436 continue
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
437 # if the name was defined in that scope, and the name has
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
438 # been accessed already in the current scope, and hasn't
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
439 # been declared global
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
440 if (node.id in scope
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
441 and scope[node.id].used
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
442 and scope[node.id].used[0] is self.scope
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
443 and node.id not in self.scope.globals):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
444 # then it's probably a mistake
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
445 self.report(messages.UndefinedLocal,
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
446 scope[node.id].used[1],
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
447 node.id,
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
448 scope[node.id].source.lineno)
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
449 break
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
450
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
451 if isinstance(node.parent,
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
452 (ast.For, ast.comprehension, ast.Tuple, ast.List)):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
453 binding = Binding(node.id, node)
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
454 elif (node.id == '__all__' and
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
455 isinstance(self.scope, ModuleScope)):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
456 binding = ExportBinding(node.id, node.parent.value)
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
457 else:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
458 binding = Assignment(node.id, node)
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
459 if node.id in self.scope:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
460 binding.used = self.scope[node.id].used
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
461 self.addBinding(node.lineno, binding)
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
462 elif isinstance(node.ctx, ast.Del):
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
463 if isinstance(self.scope, FunctionScope) and \
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
464 node.id in self.scope.globals:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
465 del self.scope.globals[node.id]
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
466 else:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
467 self.addBinding(node.lineno, UnBinding(node.id, node))
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
468 else:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
469 # must be a Param context -- this only happens for names in function
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
470 # arguments, but these aren't dispatched through here
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
471 raise RuntimeError(
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
472 "Got impossible expression context: {0:r}".format(node.ctx,))
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
473
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
474 def FUNCTIONDEF(self, node):
1536
7d766369823d A little change to py3flakes.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1510
diff changeset
475 if hasattr(node, "decorator_list"):
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
476 for decorator in node.decorator_list:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
477 self.handleNode(decorator, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
478 self.addBinding(node.lineno, FunctionDefinition(node.name, node))
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
479 self.LAMBDA(node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
480
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
481 def LAMBDA(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
482 for default in node.args.defaults + node.args.kw_defaults:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
483 self.handleNode(default, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
484
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
485 def runFunction():
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
486 args = []
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
487
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
488 def addArgs(arglist):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
489 for arg in arglist:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
490 if isinstance(arg.arg, tuple):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
491 addArgs(arg.arg)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
492 else:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
493 if arg.arg in args:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
494 self.report(messages.DuplicateArgument, node.lineno, arg.arg)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
495 args.append(arg.arg)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
496
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
497 def checkUnusedAssignments():
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
498 """
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
499 Check to see if any assignments have not been used.
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
500 """
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
501 for name, binding in self.scope.items():
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
502 if (not binding.used and not name in self.scope.globals
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
503 and isinstance(binding, Assignment)):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
504 self.report(messages.UnusedVariable,
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
505 binding.source.lineno, name)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
506
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
507 self.pushFunctionScope()
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
508 addArgs(node.args.args)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
509 addArgs(node.args.kwonlyargs)
688
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
510 # vararg/kwarg identifiers are not Name nodes
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
511 if node.args.vararg:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
512 args.append(node.args.vararg)
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
513 if node.args.kwarg:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
514 args.append(node.args.kwarg)
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
515 for name in args:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
516 self.addBinding(node.lineno, Argument(name, node), reportRedef=False)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
517 if isinstance(node.body, list):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
518 self.handleBody(node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
519 else:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
520 self.handleNode(node.body, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
521 self.deferAssignment(checkUnusedAssignments)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
522 self.popScope()
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
523
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
524 self.deferFunction(runFunction)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
525
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
526 def CLASSDEF(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
527 """
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
528 Check names used in a class definition, including its decorators, base
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
529 classes, and the body of its definition. Additionally, add its name to
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
530 the current scope.
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
531 """
1536
7d766369823d A little change to py3flakes.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1510
diff changeset
532 for decorator in getattr(node, "decorator_list", []):
7d766369823d A little change to py3flakes.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 1510
diff changeset
533 self.handleNode(decorator, node)
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
534 for baseNode in node.bases:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
535 self.handleNode(baseNode, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
536 self.addBinding(node.lineno, Binding(node.name, node))
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
537 self.pushClassScope()
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
538 self.handleBody(node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
539 self.popScope()
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
540
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
541 def handleAssignName(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
542 # special handling for ast.Subscript and ast.Starred
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
543 if isinstance(node, (ast.Subscript, ast.Starred)):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
544 node.value.parent = node
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
545 self.handleAssignName(node.value)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
546 if isinstance(node, ast.Subscript):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
547 if isinstance(node.slice, ast.Slice):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
548 self.handleNode(node.slice.lower, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
549 self.handleNode(node.slice.upper, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
550 else:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
551 self.handleNode(node.slice.value, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
552 return
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
553
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
554 # if the name hasn't already been defined in the current scope
125
064cfadcf15c Fixed an issue in the py3flakes checker code (forgot to handle assignments to lists).
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 88
diff changeset
555 if isinstance(node, (ast.Tuple, ast.List)):
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
556 for elt in node.elts:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
557 elt.parent = node
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
558 self.handleAssignName(elt)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
559 return
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
560
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
561 if isinstance(node, ast.Attribute):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
562 self.handleNode(node.value, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
563 return
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
564
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
565 if isinstance(self.scope, FunctionScope) and node.id not in self.scope:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
566 # for each function or module scope above us
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
567 for scope in self.scopeStack[:-1]:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
568 if not isinstance(scope, (FunctionScope, ModuleScope)):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
569 continue
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
570 # if the name was defined in that scope, and the name has
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
571 # been accessed already in the current scope, and hasn't
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
572 # been declared global
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
573 if (node.id in scope
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
574 and scope[node.id].used
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
575 and scope[node.id].used[0] is self.scope
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
576 and node.id not in self.scope.globals):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
577 # then it's probably a mistake
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
578 self.report(messages.UndefinedLocal,
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
579 scope[node.id].used[1],
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
580 node.id,
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
581 scope[node.id].source.lineno)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
582 break
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
583
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
584 if isinstance(node.parent,
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
585 (ast.For, ast.ListComp, ast.GeneratorExp,
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
586 ast.Tuple, ast.List)):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
587 binding = Binding(node.id, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
588 elif (node.id == '__all__' and
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
589 isinstance(self.scope, ModuleScope) and
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
590 isinstance(node.parent, ast.Assign)):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
591 binding = ExportBinding(node.id, node.parent.value)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
592 else:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
593 binding = Assignment(node.id, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
594 if node.id in self.scope:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
595 binding.used = self.scope[node.id].used
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
596 self.addBinding(node.lineno, binding)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
597
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
598 def ASSIGN(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
599 self.handleNode(node.value, node)
688
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
600 for target in node.targets:
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
601 self.handleNode(target, node)
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
602
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
603 def AUGASSIGN(self, node):
688
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
604 # AugAssign is awkward: must set the context explicitly and visit twice,
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
605 # once with AugLoad context, once with AugStore context
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
606 node.target.ctx = ast.AugLoad()
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
607 self.handleNode(node.target, node)
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
608 self.handleNode(node.value, node)
688
b4ea6261967a Improved the py3flakes checker.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 428
diff changeset
609 node.target.ctx = ast.AugStore()
88
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
610 self.handleNode(node.target, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
611
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
612 def IMPORT(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
613 for alias in node.names:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
614 name = alias.asname or alias.name
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
615 importation = Importation(name, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
616 self.addBinding(node.lineno, importation)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
617
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
618 def IMPORTFROM(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
619 if node.module == '__future__':
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
620 if not self.futuresAllowed:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
621 self.report(messages.LateFutureImport, node.lineno,
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
622 [n.name for n in node.names])
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
623 else:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
624 self.futuresAllowed = False
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
625
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
626 for alias in node.names:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
627 if alias.name == '*':
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
628 self.scope.importStarred = True
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
629 self.report(messages.ImportStarUsed, node.lineno, node.module)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
630 continue
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
631 name = alias.asname or alias.name
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
632 importation = Importation(name, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
633 if node.module == '__future__':
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
634 importation.used = (self.scope, node.lineno)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
635 self.addBinding(node.lineno, importation)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
636
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
637 def EXCEPTHANDLER(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
638 node.type and self.handleNode(node.type, node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
639 if node.name:
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
640 node.id = node.name
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
641 self.handleAssignName(node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
642 self.handleBody(node)
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
643
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
644 def STARRED(self, node):
3701923bccf2 Added my own Python3 port of pyflakes and integrated py3flakes into syntax checker dialog and editor.
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
645 self.handleNode(node.value, node)

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