Mercurial Repositories > eric / file comparison
comparison: eric7/QScintilla/Lexers/LexerPython.py
eric7/QScintilla/Lexers/LexerPython.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8260
- 2161475d9639
- child 8318
- 962bce857696
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2002 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a Python lexer with some additional methods. | |
| 8 """ | |
| 9 | |
| 10 import re | |
| 11 import contextlib | |
| 12 | |
| 13 from PyQt5.Qsci import QsciLexerPython, QsciScintilla | |
| 14 | |
| 15 from .SubstyledLexer import SubstyledLexer | |
| 16 import Preferences | |
| 17 | |
| 18 | |
| 19 class LexerPython(SubstyledLexer, QsciLexerPython): | |
| 20 """ | |
| 21 Subclass to implement some additional lexer dependant methods. | |
| 22 """ | |
| 23 def __init__(self, variant="", parent=None): | |
| 24 """ | |
| 25 Constructor | |
| 26 | |
| 27 @param variant name of the language variant (string) | |
| 28 @param parent parent widget of this lexer | |
| 29 """ | |
| 30 QsciLexerPython.__init__(self, parent) | |
| 31 SubstyledLexer.__init__(self) | |
| 32 | |
| 33 self.variant = variant | |
| 34 self.commentString = "#" | |
| 35 | |
| 36 self.keywordSetDescriptions = [ | |
| 37 self.tr("Keywords"), | |
| 38 self.tr("Highlighted identifiers"), | |
| 39 ] | |
| 40 | |
| 41 ############################################################## | |
| 42 ## default sub-style definitions | |
| 43 ############################################################## | |
| 44 | |
| 45 # list of style numbers, that support sub-styling | |
| 46 self.baseStyles = [11] | |
| 47 | |
| 48 self.defaultSubStyles = { | |
| 49 11: { | |
| 50 0: { | |
| 51 "Description": self.tr("Standard Library Modules"), | |
| 52 "Words": """ | |
| 53 __main__ _dummy_thread _thread abc aifc argparse array ascii ast asynchat | |
| 54 asyncio asyncore atexit audioop base64 bdb binascii binhex bisect builtins bz2 | |
| 55 calendar cgi cgitb chunk cmath cmd code codecs codeop collections colorsys | |
| 56 compileall concurrent configparser contextlib contextvars copy copyreg | |
| 57 cProfile crypt csv ctypes curses dataclasses datetime dbm decimal difflib dis | |
| 58 distutils doctest email encodings ensurepip enum errno faulthandler fcntl | |
| 59 filecmp fileinput fnmatch formatter fractions ftplib functools gc getopt | |
| 60 getpass gettext glob graphlib grp gzip hashlib heapq hmac html http imaplib | |
| 61 imghdr imp importlib inspect io ipaddress itertools json keyword lib2to3 | |
| 62 linecache locale logging lzma mailbox mailcap marshal math mimetypes mmap | |
| 63 modulefinder msilib msvcrt multiprocessing netrc nis nntplib numbers opcode | |
| 64 operator optparse os ossaudiodev parser path pathlib pdb pickle pickletools | |
| 65 pipes pkgutil platform plistlib poplib posix pprint profile pstats pty pwd | |
| 66 py_compile pyclbr pydoc queue quopri random re readline reprlib resource | |
| 67 rlcompleter runpy sched secrets 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 test textwrap threading time | |
| 71 timeit tkinter token tokenize trace traceback tracemalloc tty turtle | |
| 72 turtledemo types typing unicodedata unittest urllib uu uuid venv warnings wave | |
| 73 weakref webbrowser winreg winsound wsgiref xdrlib xml xmlrpc zipapp zipfile | |
| 74 zipimport zlib zoneinfo""", | |
| 75 "Style": { | |
| 76 "fore": 0xDD9900, | |
| 77 "font_bold": True, | |
| 78 } | |
| 79 }, | |
| 80 1: { | |
| 81 "Description": self.tr("__future__ Imports"), | |
| 82 "Words": """ | |
| 83 __future__ absolute_import annotations division generators generator_stop | |
| 84 nested_scopes print_function unicode_literals with_statement""", | |
| 85 "Style": { | |
| 86 "fore": 0xEE00AA, | |
| 87 "font_italic": True, | |
| 88 } | |
| 89 }, | |
| 90 2: { | |
| 91 "Description": self.tr("PyQt5/6 Modules"), | |
| 92 "Words": """ | |
| 93 PyQt5 PyQt6 Qsci Qt Qt3DAnimation Qt3DCore Qt3DExtras Qt3DInput Qt3DLogic | |
| 94 Qt3DRender QtBluetooth QtChart QtCore QtDataVisualization QtDBus QtDesigner | |
| 95 QtGui QtHelp QtLocation QtMacExtras QtMultimedia QtMultimediaWidgets QtNetwork | |
| 96 QtNetworkAuth QtNfc QtOpenGL QtOpenGLWidgets QtPositioning QtPrintSupport | |
| 97 QtPurchasing QtQml QtQuick QtQuick3D QtQuickWidgets QtRemoteObjects QtSensors | |
| 98 QtSerialPort QtSql QtSvg QtSvgWidgets QtTest QtTextToSpeech QtWebChannel | |
| 99 QtWebEngine QtWebEngineCore QtWebEngineWidgets QtWebSockets QtWidgets | |
| 100 QtWinExtras QtX11Extras QtXml QtXmlPatterns sip""", | |
| 101 "Style": { | |
| 102 "fore": 0x44AADD, | |
| 103 "font_bold": True, | |
| 104 } | |
| 105 }, | |
| 106 3: { | |
| 107 "Description": self.tr("Cython Specifics"), | |
| 108 "Words": "cython pyximport Cython __cinit__ __dealloc__", | |
| 109 "Style": { | |
| 110 "fore": 0xdd0000, | |
| 111 "font_bold": True, | |
| 112 } | |
| 113 }, | |
| 114 }, | |
| 115 } | |
| 116 | |
| 117 def language(self): | |
| 118 """ | |
| 119 Public method to get the lexer language. | |
| 120 | |
| 121 @return lexer language (string) | |
| 122 """ | |
| 123 if not self.variant: | |
| 124 return QsciLexerPython.language(self) | |
| 125 else: | |
| 126 return self.variant | |
| 127 | |
| 128 def initProperties(self): | |
| 129 """ | |
| 130 Public slot to initialize the properties. | |
| 131 """ | |
| 132 self.setIndentationWarning( | |
| 133 Preferences.getEditor("PythonBadIndentation")) | |
| 134 self.setFoldComments(Preferences.getEditor("PythonFoldComment")) | |
| 135 self.setFoldQuotes(Preferences.getEditor("PythonFoldString")) | |
| 136 if not Preferences.getEditor("PythonAutoIndent"): | |
| 137 self.setAutoIndentStyle(QsciScintilla.AiMaintain) | |
| 138 with contextlib.suppress(AttributeError): | |
| 139 self.setV2UnicodeAllowed( | |
| 140 Preferences.getEditor("PythonAllowV2Unicode")) | |
| 141 self.setV3BinaryOctalAllowed( | |
| 142 Preferences.getEditor("PythonAllowV3Binary")) | |
| 143 self.setV3BytesAllowed(Preferences.getEditor("PythonAllowV3Bytes")) | |
| 144 with contextlib.suppress(AttributeError): | |
| 145 self.setFoldQuotes(Preferences.getEditor("PythonFoldQuotes")) | |
| 146 self.setStringsOverNewlineAllowed( | |
| 147 Preferences.getEditor("PythonStringsOverNewLineAllowed")) | |
| 148 with contextlib.suppress(AttributeError): | |
| 149 self.setHighlightSubidentifiers( | |
| 150 Preferences.getEditor("PythonHighlightSubidentifier")) | |
| 151 | |
| 152 def getIndentationDifference(self, line, editor): | |
| 153 """ | |
| 154 Public method to determine the difference for the new indentation. | |
| 155 | |
| 156 @param line line to perform the calculation for (integer) | |
| 157 @param editor QScintilla editor | |
| 158 @return amount of difference in indentation (integer) | |
| 159 """ | |
| 160 indent_width = editor.getEditorConfig('IndentWidth') | |
| 161 | |
| 162 lead_spaces = editor.indentation(line) | |
| 163 | |
| 164 pline = line - 1 | |
| 165 while pline >= 0 and re.match(r'^\s*(#.*)?$', editor.text(pline)): | |
| 166 pline -= 1 | |
| 167 | |
| 168 if pline < 0: | |
| 169 last = 0 | |
| 170 else: | |
| 171 previous_lead_spaces = editor.indentation(pline) | |
| 172 # trailing spaces | |
| 173 m = re.search(r':\s*(#.*)?$', editor.text(pline)) | |
| 174 last = previous_lead_spaces | |
| 175 if m: | |
| 176 last += indent_width | |
| 177 else: | |
| 178 # special cases, like pass (unindent) or return (also unindent) | |
| 179 m = re.search(r'(pass\s*(#.*)?$)|(^[^#]return)', | |
| 180 editor.text(pline)) | |
| 181 if m: | |
| 182 last -= indent_width | |
| 183 | |
| 184 indentDifference = ( | |
| 185 last - lead_spaces | |
| 186 if (lead_spaces % indent_width != 0 or | |
| 187 lead_spaces == 0 or | |
| 188 self.lastIndented != line) else | |
| 189 -indent_width # __IGNORE_WARNING_W503__ | |
| 190 ) | |
| 191 | |
| 192 return indentDifference | |
| 193 | |
| 194 def autoCompletionWordSeparators(self): | |
| 195 """ | |
| 196 Public method to return the list of separators for autocompletion. | |
| 197 | |
| 198 @return list of separators (list of strings) | |
| 199 """ | |
| 200 return ['.'] | |
| 201 | |
| 202 def isCommentStyle(self, style): | |
| 203 """ | |
| 204 Public method to check, if a style is a comment style. | |
| 205 | |
| 206 @param style style to check (integer) | |
| 207 @return flag indicating a comment style (boolean) | |
| 208 """ | |
| 209 return style in [QsciLexerPython.Comment, | |
| 210 QsciLexerPython.CommentBlock] | |
| 211 | |
| 212 def isStringStyle(self, style): | |
| 213 """ | |
| 214 Public method to check, if a style is a string style. | |
| 215 | |
| 216 @param style style to check (integer) | |
| 217 @return flag indicating a string style (boolean) | |
| 218 """ | |
| 219 return style in [QsciLexerPython.DoubleQuotedString, | |
| 220 QsciLexerPython.SingleQuotedString, | |
| 221 QsciLexerPython.TripleDoubleQuotedString, | |
| 222 QsciLexerPython.TripleSingleQuotedString, | |
| 223 QsciLexerPython.UnclosedString] | |
| 224 | |
| 225 def defaultKeywords(self, kwSet): | |
| 226 """ | |
| 227 Public method to get the default keywords. | |
| 228 | |
| 229 @param kwSet number of the keyword set (integer) | |
| 230 @return string giving the keywords (string) or None | |
| 231 """ | |
| 232 if kwSet == 1: | |
| 233 if self.language() == "Python3": | |
| 234 import keyword | |
| 235 keywords = " ".join(keyword.kwlist) | |
| 236 elif self.language() == "MicroPython": | |
| 237 keywords = ("False None True and as assert break class " | |
| 238 "continue def del elif else except finally for " | |
| 239 "from global if import in is lambda nonlocal not " | |
| 240 "or pass raise return try while with yield") | |
| 241 elif self.language() == "Cython": | |
| 242 keywords = ("False None True and as assert break class " | |
| 243 "continue def del elif else except finally for " | |
| 244 "from global if import in is lambda nonlocal not " | |
| 245 "or pass raise return try while with yield " | |
| 246 "cdef cimport cpdef ctypedef") | |
| 247 else: | |
| 248 keywords = QsciLexerPython.keywords(self, kwSet) | |
| 249 else: | |
| 250 keywords = QsciLexerPython.keywords(self, kwSet) | |
| 251 | |
| 252 return keywords | |
| 253 | |
| 254 def maximumKeywordSet(self): | |
| 255 """ | |
| 256 Public method to get the maximum keyword set. | |
| 257 | |
| 258 @return maximum keyword set (integer) | |
| 259 """ | |
| 260 return 2 |
