Mercurial Repositories > eric / file comparison
comparison: eric6/QScintilla/Lexers/LexerPython.py
eric6/QScintilla/Lexers/LexerPython.py
- changeset 6942
- 2602857055c5
- parent 6881
- 054667c5c270
- child 7229
- 53054eb5b15a
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| 6941:f99d60d6b59b | 6942:2602857055c5 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2002 - 2019 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a Python lexer with some additional methods. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 import re | |
| 13 | |
| 14 from PyQt5.Qsci import QsciLexerPython, QsciScintilla | |
| 15 | |
| 16 from .SubstyledLexer import SubstyledLexer | |
| 17 import Preferences | |
| 18 | |
| 19 | |
| 20 class LexerPython(SubstyledLexer, QsciLexerPython): | |
| 21 """ | |
| 22 Subclass to implement some additional lexer dependant methods. | |
| 23 """ | |
| 24 def __init__(self, variant="", parent=None): | |
| 25 """ | |
| 26 Constructor | |
| 27 | |
| 28 @param variant name of the language variant (string) | |
| 29 @param parent parent widget of this lexer | |
| 30 """ | |
| 31 QsciLexerPython.__init__(self, parent) | |
| 32 SubstyledLexer.__init__(self) | |
| 33 | |
| 34 self.variant = variant | |
| 35 self.commentString = "#" | |
| 36 | |
| 37 self.keywordSetDescriptions = [ | |
| 38 self.tr("Keywords"), | |
| 39 self.tr("Highlighted identifiers"), | |
| 40 ] | |
| 41 | |
| 42 ############################################################## | |
| 43 ## default sub-style definitions | |
| 44 ############################################################## | |
| 45 | |
| 46 # list of style numbers, that support sub-styling | |
| 47 self.baseStyles = [11] | |
| 48 | |
| 49 self.defaultSubStyles = { | |
| 50 11: { | |
| 51 0: { | |
| 52 "Description": self.tr("Standard Library Modules"), | |
| 53 "Words": """ | |
| 54 __main__ _dummy_thread _thread abc aifc argparse array ast asynchat asyncio | |
| 55 asyncore atexit audioop base64 bdb binascii binhex bisect builtins bz2 | |
| 56 calendar cgi cgitb chunk cmath cmd code codecs codeop collections colorsys | |
| 57 compileall concurrent configparser contextlib copy copyreg crypt csv ctypes | |
| 58 curses datetime dbm decimal difflib dis distutils dummy_threading email | |
| 59 ensurepip enum errno faulthandler fcntl filecmp fileinput fnmatch formatter | |
| 60 fpectl fractions ftplib functools gc getopt getpass gettext glob grp gzip | |
| 61 hashlib heapq hmac html http http imaplib imghdr importlib inspect io | |
| 62 ipaddress itertools json keyword linecache locale logging lzma macpath | |
| 63 mailbox mailcap marshal math mimetypes mmap modulefinder msilib msvcrt | |
| 64 multiprocessing netrc nis nntplib numbers operator os ossaudiodev parser path | |
| 65 pathlib pdb pickle pickletools pipes pkgutil platform plistlib poplib posix | |
| 66 pprint pty pwd py_compile pyclbr queue quopri random re readline reprlib | |
| 67 resource rlcompleter runpy sched select selectors shelve shlex shutil signal | |
| 68 site smtpd smtplib sndhdr socket socketserver spwd sqlite3 ssl stat statistics | |
| 69 string stringprep struct subprocess sunau symbol symtable sys sysconfig syslog | |
| 70 tabnanny tarfile telnetlib tempfile termios textwrap threading time timeit | |
| 71 tkinter token tokenize trace traceback tracemalloc tty turtle types | |
| 72 unicodedata unittest urllib uu uuid venv warnings wave weakref webbrowser | |
| 73 winreg winsound wsgiref xdrlib xml xmlrpc zipfile zipimport zlib""", | |
| 74 "Style": { | |
| 75 "fore": 0xDD9900, | |
| 76 "font_bold": True, | |
| 77 } | |
| 78 }, | |
| 79 1: { | |
| 80 "Description": self.tr("__future__ Imports"), | |
| 81 "Words": """ | |
| 82 __future__ with_statement unicode_literals print_function division | |
| 83 absolute_import generator_stop annotations""", | |
| 84 "Style": { | |
| 85 "fore": 0xEE00AA, | |
| 86 "font_italic": True, | |
| 87 } | |
| 88 }, | |
| 89 2: { | |
| 90 "Description": self.tr("PyQt5 Modules"), | |
| 91 "Words": """ | |
| 92 PyQt5 Qsci Qt QtCore QtDBus QtDesigner QtGui QtHelp QtLocation QtMacExtras | |
| 93 QtMultimedia QtMultimediaWidgets QtNetwork QtNetworkAuth QtNfc QtOpenGL | |
| 94 QtPositioning QtPrintSupport QtQml QtQuick QtQuickWidgets QtRemoteObjects | |
| 95 QtSensors QtSerialPort QtSql QtSvg QtTest QtWebChannel QtWebEngine | |
| 96 QtWebEngineCore QtWebEngineWidgets QtWebSockets QtWidgets QtWinExtras | |
| 97 QtX11Extras QtXml QtXmlPatterns sip QtWebKit QtWebKitWidgets""", | |
| 98 "Style": { | |
| 99 "fore": 0x44AADD, | |
| 100 "font_bold": True, | |
| 101 } | |
| 102 }, | |
| 103 3: { | |
| 104 "Description": self.tr("Cython Specifics"), | |
| 105 "Words": "cython pyximport Cython __cinit__ __dealloc__", | |
| 106 "Style": { | |
| 107 "fore": 0xdd0000, | |
| 108 "font_bold": True, | |
| 109 } | |
| 110 }, | |
| 111 }, | |
| 112 } | |
| 113 | |
| 114 def language(self): | |
| 115 """ | |
| 116 Public method to get the lexer language. | |
| 117 | |
| 118 @return lexer language (string) | |
| 119 """ | |
| 120 if not self.variant: | |
| 121 return QsciLexerPython.language(self) | |
| 122 else: | |
| 123 return self.variant | |
| 124 | |
| 125 def initProperties(self): | |
| 126 """ | |
| 127 Public slot to initialize the properties. | |
| 128 """ | |
| 129 self.setIndentationWarning( | |
| 130 Preferences.getEditor("PythonBadIndentation")) | |
| 131 self.setFoldComments(Preferences.getEditor("PythonFoldComment")) | |
| 132 self.setFoldQuotes(Preferences.getEditor("PythonFoldString")) | |
| 133 if not Preferences.getEditor("PythonAutoIndent"): | |
| 134 self.setAutoIndentStyle(QsciScintilla.AiMaintain) | |
| 135 try: | |
| 136 self.setV2UnicodeAllowed( | |
| 137 Preferences.getEditor("PythonAllowV2Unicode")) | |
| 138 self.setV3BinaryOctalAllowed( | |
| 139 Preferences.getEditor("PythonAllowV3Binary")) | |
| 140 self.setV3BytesAllowed(Preferences.getEditor("PythonAllowV3Bytes")) | |
| 141 except AttributeError: | |
| 142 pass | |
| 143 try: | |
| 144 self.setFoldQuotes(Preferences.getEditor("PythonFoldQuotes")) | |
| 145 self.setStringsOverNewlineAllowed( | |
| 146 Preferences.getEditor("PythonStringsOverNewLineAllowed")) | |
| 147 except AttributeError: | |
| 148 pass | |
| 149 try: | |
| 150 self.setHighlightSubidentifiers( | |
| 151 Preferences.getEditor("PythonHighlightSubidentifier")) | |
| 152 except AttributeError: | |
| 153 pass | |
| 154 | |
| 155 def getIndentationDifference(self, line, editor): | |
| 156 """ | |
| 157 Public method to determine the difference for the new indentation. | |
| 158 | |
| 159 @param line line to perform the calculation for (integer) | |
| 160 @param editor QScintilla editor | |
| 161 @return amount of difference in indentation (integer) | |
| 162 """ | |
| 163 indent_width = editor.getEditorConfig('IndentWidth') | |
| 164 | |
| 165 lead_spaces = editor.indentation(line) | |
| 166 | |
| 167 pline = line - 1 | |
| 168 while pline >= 0 and re.match(r'^\s*(#.*)?$', editor.text(pline)): | |
| 169 pline -= 1 | |
| 170 | |
| 171 if pline < 0: | |
| 172 last = 0 | |
| 173 else: | |
| 174 previous_lead_spaces = editor.indentation(pline) | |
| 175 # trailing spaces | |
| 176 m = re.search(r':\s*(#.*)?$', editor.text(pline)) | |
| 177 last = previous_lead_spaces | |
| 178 if m: | |
| 179 last += indent_width | |
| 180 else: | |
| 181 # special cases, like pass (unindent) or return (also unindent) | |
| 182 m = re.search(r'(pass\s*(#.*)?$)|(^[^#]return)', | |
| 183 editor.text(pline)) | |
| 184 if m: | |
| 185 last -= indent_width | |
| 186 | |
| 187 if lead_spaces % indent_width != 0 or lead_spaces == 0 \ | |
| 188 or self.lastIndented != line: | |
| 189 indentDifference = last - lead_spaces | |
| 190 else: | |
| 191 indentDifference = -indent_width | |
| 192 | |
| 193 return indentDifference | |
| 194 | |
| 195 def autoCompletionWordSeparators(self): | |
| 196 """ | |
| 197 Public method to return the list of separators for autocompletion. | |
| 198 | |
| 199 @return list of separators (list of strings) | |
| 200 """ | |
| 201 return ['.'] | |
| 202 | |
| 203 def isCommentStyle(self, style): | |
| 204 """ | |
| 205 Public method to check, if a style is a comment style. | |
| 206 | |
| 207 @param style style to check (integer) | |
| 208 @return flag indicating a comment style (boolean) | |
| 209 """ | |
| 210 return style in [QsciLexerPython.Comment, | |
| 211 QsciLexerPython.CommentBlock] | |
| 212 | |
| 213 def isStringStyle(self, style): | |
| 214 """ | |
| 215 Public method to check, if a style is a string style. | |
| 216 | |
| 217 @param style style to check (integer) | |
| 218 @return flag indicating a string style (boolean) | |
| 219 """ | |
| 220 return style in [QsciLexerPython.DoubleQuotedString, | |
| 221 QsciLexerPython.SingleQuotedString, | |
| 222 QsciLexerPython.TripleDoubleQuotedString, | |
| 223 QsciLexerPython.TripleSingleQuotedString, | |
| 224 QsciLexerPython.UnclosedString] | |
| 225 | |
| 226 def defaultKeywords(self, kwSet): | |
| 227 """ | |
| 228 Public method to get the default keywords. | |
| 229 | |
| 230 @param kwSet number of the keyword set (integer) | |
| 231 @return string giving the keywords (string) or None | |
| 232 """ | |
| 233 if kwSet == 1: | |
| 234 if self.language() in ["Python", "Python2"]: | |
| 235 keywords = ("and as assert break class continue def del elif " | |
| 236 "else except exec finally for from global if " | |
| 237 "import in is lambda not or pass print raise " | |
| 238 "return try while with yield") | |
| 239 elif self.language() == "Python3": | |
| 240 keywords = ("False None True and as assert break class " | |
| 241 "continue def del elif else except finally for " | |
| 242 "from global if import in is lambda nonlocal not " | |
| 243 "or pass raise return try while with yield") | |
| 244 elif self.language() == "Cython": | |
| 245 keywords = ("False None True and as assert break class " | |
| 246 "continue def del elif else except finally for " | |
| 247 "from global if import in is lambda nonlocal not " | |
| 248 "or pass raise return try while with yield " | |
| 249 "cdef cimport cpdef ctypedef") | |
| 250 else: | |
| 251 keywords = QsciLexerPython.keywords(self, kwSet) | |
| 252 else: | |
| 253 keywords = QsciLexerPython.keywords(self, kwSet) | |
| 254 | |
| 255 return keywords | |
| 256 | |
| 257 def maximumKeywordSet(self): | |
| 258 """ | |
| 259 Public method to get the maximum keyword set. | |
| 260 | |
| 261 @return maximum keyword set (integer) | |
| 262 """ | |
| 263 return 2 |
