--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/QScintilla/Lexers/LexerPython.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,118 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2002 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a Python lexer with some additional methods.
+"""
+
+import re
+
+from PyQt4.Qsci import QsciLexerPython, QsciScintilla
+
+from Lexer import Lexer
+import Preferences
+
+class LexerPython(QsciLexerPython, Lexer):
+ """
+ Subclass to implement some additional lexer dependant methods.
+ """
+ def __init__(self, parent=None):
+ """
+ Constructor
+
+ @param parent parent widget of this lexer
+ """
+ QsciLexerPython.__init__(self, parent)
+ Lexer.__init__(self)
+
+ self.commentString = "#"
+
+ def initProperties(self):
+ """
+ Public slot to initialize the properties.
+ """
+ if Preferences.getEditor("PythonBadIndentation"):
+ self.setIndentationWarning(QsciLexerPython.Inconsistent)
+ else:
+ self.setIndentationWarning(QsciLexerPython.NoWarning)
+ self.setFoldComments(Preferences.getEditor("PythonFoldComment"))
+ self.setFoldQuotes(Preferences.getEditor("PythonFoldString"))
+ if not Preferences.getEditor("PythonAutoIndent"):
+ self.setAutoIndentStyle(QsciScintilla.AiMaintain)
+ try:
+ self.setV2UnicodeAllowed(Preferences.getEditor("PythonAllowV2Unicode"))
+ self.setV3BinaryOctalAllowed(Preferences.getEditor("PythonAllowV3Binary"))
+ self.setV3BytesAllowed(Preferences.getEditor("PythonAllowV3Bytes"))
+ except AttributeError:
+ pass
+
+ def getIndentationDifference(self, line, editor):
+ """
+ Private method to determine the difference for the new indentation.
+
+ @param line line to perform the calculation for (integer)
+ @param editor QScintilla editor
+ @return amount of difference in indentation (integer)
+ """
+ indent_width = Preferences.getEditor('IndentWidth')
+
+ lead_spaces = editor.indentation(line)
+
+ pline = line - 1
+ while pline >= 0 and re.match('^\s*(#.*)?$', editor.text(pline)):
+ pline -= 1
+
+ if pline < 0:
+ last = 0
+ else:
+ previous_lead_spaces = editor.indentation(pline)
+ # trailing spaces
+ m = re.search(':\s*(#.*)?$', editor.text(pline))
+ last = previous_lead_spaces
+ if m:
+ last += indent_width
+ else:
+ # special cases, like pass (unindent) or return (also unindent)
+ m = re.search('(pass\s*(#.*)?$)|(^[^#]return)',
+ editor.text(pline))
+ if m:
+ last -= indent_width
+
+ if lead_spaces % indent_width != 0 or lead_spaces == 0 \
+ or self.lastIndented != line:
+ indentDifference = last - lead_spaces
+ else:
+ indentDifference = -indent_width
+
+ return indentDifference
+
+ def autoCompletionWordSeparators(self):
+ """
+ Public method to return the list of separators for autocompletion.
+
+ @return list of separators (list of strings)
+ """
+ return ['.']
+
+ def isCommentStyle(self, style):
+ """
+ Public method to check, if a style is a comment style.
+
+ @return flag indicating a comment style (boolean)
+ """
+ return style in [QsciLexerPython.Comment,
+ QsciLexerPython.CommentBlock]
+
+ def isStringStyle(self, style):
+ """
+ Public method to check, if a style is a string style.
+
+ @return flag indicating a string style (boolean)
+ """
+ return style in [QsciLexerPython.DoubleQuotedString,
+ QsciLexerPython.SingleQuotedString,
+ QsciLexerPython.TripleDoubleQuotedString,
+ QsciLexerPython.TripleSingleQuotedString,
+ QsciLexerPython.UnclosedString]
