Utilities/ClassBrowsers/__init__.py

Sun, 30 Aug 2015 19:33:16 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 30 Aug 2015 19:33:16 +0200
branch
6_0_x
changeset 4408
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parent 4022
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child 4631
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permissions
-rw-r--r--

Little extension to the class browser module handling.
(grafted from 146030035bdc885d5f66a0f608b628346ef70578)

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1 # -*- coding: utf-8 -*-
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2
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3 # Copyright (c) 2005 - 2015 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Package implementing class browsers for various languages.
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8
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9 Currently it offers class browser support for the following
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10 programming languages.
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11
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12 <ul>
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13 <li>CORBA IDL</li>
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14 <li>Python</li>
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15 <li>Ruby</li>
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16 </ul>
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17 """
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18
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19 from __future__ import unicode_literals
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20
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21 import os
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22 import imp
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23 import sys
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24
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25 import Preferences
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26
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27 PY_SOURCE = imp.PY_SOURCE
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28 PTL_SOURCE = 128
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29 RB_SOURCE = 129
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30 IDL_SOURCE = 130
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31 JS_SOURCE = 131
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32
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33 SUPPORTED_TYPES = [PY_SOURCE, PTL_SOURCE, RB_SOURCE, IDL_SOURCE, JS_SOURCE]
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34
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35 __extensions = {
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36 "IDL": [".idl"],
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37 "Python": [".py", ".pyw", ".ptl"], # currently not used
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38 "Ruby": [".rb"],
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39 "JavaScript": [".js"],
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40 }
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41
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42
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43 def readmodule(module, path=[], isPyFile=False):
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44 """
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45 Read a source file and return a dictionary of classes, functions, modules,
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46 etc. .
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47
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48 The real work of parsing the source file is delegated to the individual
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49 file parsers.
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50
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51 @param module name of the source file (string)
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52 @param path path the file should be searched in (list of strings)
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53 @param isPyFile flag indicating a Python file (boolean)
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54 @return the resulting dictionary
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55 """
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56 ext = os.path.splitext(module)[1].lower()
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57
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58 if ext in __extensions["IDL"]:
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59 from . import idlclbr
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60 dict = idlclbr.readmodule_ex(module, path)
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61 idlclbr._modules.clear()
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62 elif ext in __extensions["Ruby"]:
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63 from . import rbclbr
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64 dict = rbclbr.readmodule_ex(module, path)
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65 rbclbr._modules.clear()
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66 elif ext in __extensions["JavaScript"] and sys.version_info[0] == 3:
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67 from . import jsclbr
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68 dict = jsclbr.readmodule_ex(module, path)
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69 jsclbr._modules.clear()
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70 elif ext in Preferences.getPython("PythonExtensions") or \
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71 ext in Preferences.getPython("Python3Extensions") or \
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72 isPyFile:
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73 from . import pyclbr
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74 dict = pyclbr.readmodule_ex(module, path, isPyFile=isPyFile)
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75 pyclbr._modules.clear()
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76 else:
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77 # try Python if it is without extension
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78 from . import pyclbr
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79 dict = pyclbr.readmodule_ex(module, path)
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80 pyclbr._modules.clear()
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81
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82 return dict
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83
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84
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85 def find_module(name, path, isPyFile=False):
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86 """
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87 Module function to extend the Python module finding mechanism.
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88
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89 This function searches for files in the given path. If the filename
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90 doesn't have an extension or an extension of .py, the normal search
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91 implemented in the imp module is used. For all other supported files
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92 only path is searched.
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93
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94 @param name filename or modulename to search for (string)
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95 @param path search path (list of strings)
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96 @param isPyFile flag indicating a Python file (boolean)
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97 @return tuple of the open file, pathname and description. Description
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98 is a tuple of file suffix, file mode and file type)
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99 @exception ImportError The file or module wasn't found.
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100 """
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101 ext = os.path.splitext(name)[1].lower()
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102
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103 if ext in __extensions["Ruby"]:
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104 for p in path: # only search in path
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105 pathname = os.path.join(p, name)
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106 if os.path.exists(pathname):
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107 return (open(pathname), pathname, (ext, 'r', RB_SOURCE))
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108 raise ImportError
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109
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110 elif ext in __extensions["IDL"]:
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111 for p in path: # only search in path
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112 pathname = os.path.join(p, name)
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113 if os.path.exists(pathname):
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114 return (open(pathname), pathname, (ext, 'r', IDL_SOURCE))
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115 raise ImportError
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116
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117 elif ext in __extensions["JavaScript"]:
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118 for p in path: # only search in path
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119 pathname = os.path.join(p, name)
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120 if os.path.exists(pathname):
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121 return (open(pathname), pathname, (ext, 'r', JS_SOURCE))
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122 raise ImportError
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123
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124 elif ext == '.ptl':
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125 for p in path: # only search in path
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126 pathname = os.path.join(p, name)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
127 if os.path.exists(pathname):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
128 return (open(pathname), pathname, (ext, 'r', PTL_SOURCE))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
129 raise ImportError
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
130
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
131 if name.lower().endswith('.py'):
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
132 name = name[:-3]
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
133
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
134 try:
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
135 return imp.find_module(name, path)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
136 except ImportError:
2997
7f0ef975da9e Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2965
diff changeset
137 if name.lower().endswith(
7f0ef975da9e Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2965
diff changeset
138 tuple(Preferences.getPython("PythonExtensions") +
7f0ef975da9e Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2965
diff changeset
139 Preferences.getPython("Python3Extensions"))) or \
7f0ef975da9e Continued to shorten the code lines to max. 79 characters.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 2965
diff changeset
140 isPyFile:
0
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Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
141 for p in path: # search in path
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
142 pathname = os.path.join(p, name)
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
143 if os.path.exists(pathname):
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
144 return (open(pathname), pathname, (ext, 'r', PY_SOURCE))
de9c2efb9d02 Started porting eric4 to Python3
Detlev Offenbach <detlev@die-offenbachs.de>
parents:
diff changeset
145 raise ImportError
4408
a0b6d96985aa Little extension to the class browser module handling.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4022
diff changeset
146 except SyntaxError:
a0b6d96985aa Little extension to the class browser module handling.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4022
diff changeset
147 # re-raise as an import error
a0b6d96985aa Little extension to the class browser module handling.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 4022
diff changeset
148 raise ImportError

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