lazy initialization of highligher styles, thanks Paolo
This commit is contained in:
mdipierro
+98
-77
@@ -14,6 +14,23 @@ import re
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__all__ = ['highlight']
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class all_styles(object):
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"""
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Custom non-data descriptor for lazy initialization of
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Highlighter.all_styles class attribute.
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see:
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https://docs.python.org/2/reference/datamodel.html#implementing-descriptors
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or
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https://docs.python.org/3/reference/datamodel.html#implementing-descriptors
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"""
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def __get__(self, instance, owner):
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val = _get_all_styles(owner)
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setattr(owner, 'all_styles', val)
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return val
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class Highlighter(object):
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"""Does syntax highlighting.
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@@ -121,83 +138,7 @@ class Highlighter(object):
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return 'PYTHON'
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return None
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all_styles = {
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'C': (c_tokenizer, (
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('COMMENT', re.compile(r'//.*\r?\n'),
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'color: green; font-style: italic'),
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('MULTILINECOMMENT', re.compile(r'/\*.*?\*/', re.DOTALL),
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'color: green; font-style: italic'),
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('PREPROCESSOR', re.compile(r'\s*#.*?[^\\]\s*\n',
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re.DOTALL), 'color: magenta; font-style: italic'),
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('PUNC', re.compile(r'[-+*!&|^~/%\=<>\[\]{}(),.:]'),
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'font-weight: bold'),
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('NUMBER',
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re.compile(r'0x[0-9a-fA-F]+|[+-]?\d+(\.\d+)?([eE][+-]\d+)?|\d+'),
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'color: red'),
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('KEYWORD', re.compile(r'(sizeof|int|long|short|char|void|'
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+ r'signed|unsigned|float|double|'
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+ r'goto|break|return|continue|asm|'
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+ r'case|default|if|else|switch|while|for|do|'
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+ r'struct|union|enum|typedef|'
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+ r'static|register|auto|volatile|extern|const)(?![a-zA-Z0-9_])'),
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'color:#185369; font-weight: bold'),
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('CPPKEYWORD',
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re.compile(r'(class|private|protected|public|template|new|delete|'
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+ r'this|friend|using|inline|export|bool|throw|try|catch|'
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+ r'operator|typeid|virtual)(?![a-zA-Z0-9_])'),
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'color: blue; font-weight: bold'),
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('STRING', re.compile(r'r?u?\'(.*?)(?<!\\)\'|"(.*?)(?<!\\)"'),
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'color: #FF9966'),
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('IDENTIFIER', re.compile(r'[a-zA-Z_][a-zA-Z0-9_]*'),
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None),
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('WHITESPACE', re.compile(r'[ \r\n]+'), 'Keep'),
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)),
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'PYTHON': (python_tokenizer, (
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('GOTOHTML', re.compile(r'\}\}'), 'color: red'),
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('PUNC', re.compile(r'[-+*!|&^~/%\=<>\[\]{}(),.:]'),
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'font-weight: bold'),
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('NUMBER',
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re.compile(r'0x[0-9a-fA-F]+|[+-]?\d+(\.\d+)?([eE][+-]\d+)?|\d+'
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), 'color: red'),
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('KEYWORD',
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re.compile(r'(def|class|break|continue|del|exec|finally|pass|'
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+ r'print|raise|return|try|except|global|assert|lambda|'
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+ r'yield|for|while|if|elif|else|and|in|is|not|or|import|'
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+ r'from|True|False)(?![a-zA-Z0-9_])'),
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'color:#185369; font-weight: bold'),
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('WEB2PY',
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re.compile(r'(request|response|session|cache|redirect|local_import|HTTP|TR|XML|URL|BEAUTIFY|A|BODY|BR|B|CAT|CENTER|CODE|COL|COLGROUP|DIV|EM|EMBED|FIELDSET|LEGEND|FORM|H1|H2|H3|H4|H5|H6|IFRAME|HEAD|HR|HTML|I|IMG|INPUT|LABEL|LI|LINK|MARKMIN|MENU|META|OBJECT|OL|ON|OPTION|P|PRE|SCRIPT|SELECT|SPAN|STYLE|TABLE|THEAD|TBODY|TFOOT|TAG|TD|TEXTAREA|TH|TITLE|TT|T|UL|XHTML|IS_SLUG|IS_STRONG|IS_LOWER|IS_UPPER|IS_ALPHANUMERIC|IS_DATETIME|IS_DATETIME_IN_RANGE|IS_DATE|IS_DATE_IN_RANGE|IS_DECIMAL_IN_RANGE|IS_EMAIL|IS_EXPR|IS_FILE|IS_FLOAT_IN_RANGE|IS_IMAGE|IS_INT_IN_RANGE|IS_IN_SET|IS_IPV4|IS_LIST_OF|IS_LENGTH|IS_MATCH|IS_EQUAL_TO|IS_EMPTY_OR|IS_NULL_OR|IS_NOT_EMPTY|IS_TIME|IS_UPLOAD_FILENAME|IS_URL|CLEANUP|CRYPT|IS_IN_DB|IS_NOT_IN_DB|DAL|Field|SQLFORM|SQLTABLE|xmlescape|embed64)(?![a-zA-Z0-9_])'
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), 'link:%(link)s;text-decoration:None;color:#FF5C1F;'),
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('MAGIC', re.compile(r'self|None'),
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'color:#185369; font-weight: bold'),
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('MULTILINESTRING', re.compile(r'r?u?(\'\'\'|""")'),
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'color: #FF9966'),
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('STRING', re.compile(r'r?u?\'(.*?)(?<!\\)\'|"(.*?)(?<!\\)"'
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), 'color: #FF9966'),
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('IDENTIFIER', re.compile(r'[a-zA-Z_][a-zA-Z0-9_]*'),
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None),
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('COMMENT', re.compile(r'\#.*\r?\n'),
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'color: green; font-style: italic'),
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('WHITESPACE', re.compile(r'[ \r\n]+'), 'Keep'),
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)),
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'PYTHONMultilineString': (python_tokenizer,
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(('ENDMULTILINESTRING',
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re.compile(r'.*?("""|\'\'\')',
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re.DOTALL), 'color: darkred'), )),
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'HTML': (html_tokenizer, (
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('GOTOPYTHON', re.compile(r'\{\{'), 'color: red'),
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('COMMENT', re.compile(r'<!--[^>]*-->|<!>'),
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'color: green; font-style: italic'),
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('XMLCRAP', re.compile(r'<![^>]*>'),
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'color: blue; font-style: italic'),
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('SCRIPT', re.compile(r'<script .*?</script>', re.IGNORECASE
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+ re.DOTALL), 'color: black'),
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('TAG', re.compile(r'</?\s*[a-zA-Z0-9]+'),
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'color: darkred; font-weight: bold'),
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('ENDTAG', re.compile(r'/?>'),
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'color: darkred; font-weight: bold'),
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)),
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}
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all_styles = all_styles()
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def highlight(self, data):
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"""
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@@ -248,6 +189,86 @@ class Highlighter(object):
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self.span_style = style
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def _get_all_styles(cls):
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return {
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'C': (cls.c_tokenizer, (
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('COMMENT', re.compile(r'//.*\r?\n'),
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'color: green; font-style: italic'),
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('MULTILINECOMMENT', re.compile(r'/\*.*?\*/', re.DOTALL),
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'color: green; font-style: italic'),
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('PREPROCESSOR', re.compile(r'\s*#.*?[^\\]\s*\n',
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re.DOTALL), 'color: magenta; font-style: italic'),
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('PUNC', re.compile(r'[-+*!&|^~/%\=<>\[\]{}(),.:]'),
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'font-weight: bold'),
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('NUMBER',
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re.compile(r'0x[0-9a-fA-F]+|[+-]?\d+(\.\d+)?([eE][+-]\d+)?|\d+'),
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'color: red'),
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('KEYWORD', re.compile(r'(sizeof|int|long|short|char|void|'
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+ r'signed|unsigned|float|double|'
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+ r'goto|break|return|continue|asm|'
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+ r'case|default|if|else|switch|while|for|do|'
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+ r'struct|union|enum|typedef|'
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+ r'static|register|auto|volatile|extern|const)(?![a-zA-Z0-9_])'),
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'color:#185369; font-weight: bold'),
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('CPPKEYWORD',
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re.compile(r'(class|private|protected|public|template|new|delete|'
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+ r'this|friend|using|inline|export|bool|throw|try|catch|'
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+ r'operator|typeid|virtual)(?![a-zA-Z0-9_])'),
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'color: blue; font-weight: bold'),
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('STRING', re.compile(r'r?u?\'(.*?)(?<!\\)\'|"(.*?)(?<!\\)"'),
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'color: #FF9966'),
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('IDENTIFIER', re.compile(r'[a-zA-Z_][a-zA-Z0-9_]*'),
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None),
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('WHITESPACE', re.compile(r'[ \r\n]+'), 'Keep'),
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)),
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'PYTHON': (cls.python_tokenizer, (
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('GOTOHTML', re.compile(r'\}\}'), 'color: red'),
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('PUNC', re.compile(r'[-+*!|&^~/%\=<>\[\]{}(),.:]'),
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'font-weight: bold'),
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('NUMBER',
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re.compile(r'0x[0-9a-fA-F]+|[+-]?\d+(\.\d+)?([eE][+-]\d+)?|\d+'
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), 'color: red'),
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('KEYWORD',
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re.compile(r'(def|class|break|continue|del|exec|finally|pass|'
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+ r'print|raise|return|try|except|global|assert|lambda|'
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+ r'yield|for|while|if|elif|else|and|in|is|not|or|import|'
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+ r'from|True|False)(?![a-zA-Z0-9_])'),
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'color:#185369; font-weight: bold'),
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('WEB2PY',
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re.compile(r'(request|response|session|cache|redirect|local_import|HTTP|TR|XML|URL|BEAUTIFY|A|BODY|BR|B|CAT|CENTER|CODE|COL|COLGROUP|DIV|EM|EMBED|FIELDSET|LEGEND|FORM|H1|H2|H3|H4|H5|H6|IFRAME|HEAD|HR|HTML|I|IMG|INPUT|LABEL|LI|LINK|MARKMIN|MENU|META|OBJECT|OL|ON|OPTION|P|PRE|SCRIPT|SELECT|SPAN|STYLE|TABLE|THEAD|TBODY|TFOOT|TAG|TD|TEXTAREA|TH|TITLE|TT|T|UL|XHTML|IS_SLUG|IS_STRONG|IS_LOWER|IS_UPPER|IS_ALPHANUMERIC|IS_DATETIME|IS_DATETIME_IN_RANGE|IS_DATE|IS_DATE_IN_RANGE|IS_DECIMAL_IN_RANGE|IS_EMAIL|IS_EXPR|IS_FILE|IS_FLOAT_IN_RANGE|IS_IMAGE|IS_INT_IN_RANGE|IS_IN_SET|IS_IPV4|IS_LIST_OF|IS_LENGTH|IS_MATCH|IS_EQUAL_TO|IS_EMPTY_OR|IS_NULL_OR|IS_NOT_EMPTY|IS_TIME|IS_UPLOAD_FILENAME|IS_URL|CLEANUP|CRYPT|IS_IN_DB|IS_NOT_IN_DB|DAL|Field|SQLFORM|SQLTABLE|xmlescape|embed64)(?![a-zA-Z0-9_])'
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), 'link:%(link)s;text-decoration:None;color:#FF5C1F;'),
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('MAGIC', re.compile(r'self|None'),
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'color:#185369; font-weight: bold'),
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('MULTILINESTRING', re.compile(r'r?u?(\'\'\'|""")'),
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'color: #FF9966'),
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('STRING', re.compile(r'r?u?\'(.*?)(?<!\\)\'|"(.*?)(?<!\\)"'
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), 'color: #FF9966'),
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('IDENTIFIER', re.compile(r'[a-zA-Z_][a-zA-Z0-9_]*'),
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None),
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('COMMENT', re.compile(r'\#.*\r?\n'),
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'color: green; font-style: italic'),
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('WHITESPACE', re.compile(r'[ \r\n]+'), 'Keep'),
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)),
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'PYTHONMultilineString': (cls.python_tokenizer,
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(('ENDMULTILINESTRING',
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re.compile(r'.*?("""|\'\'\')',
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re.DOTALL), 'color: darkred'), )),
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'HTML': (cls.html_tokenizer, (
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('GOTOPYTHON', re.compile(r'\{\{'), 'color: red'),
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('COMMENT', re.compile(r'<!--[^>]*-->|<!>'),
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'color: green; font-style: italic'),
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('XMLCRAP', re.compile(r'<![^>]*>'),
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'color: blue; font-style: italic'),
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('SCRIPT', re.compile(r'<script .*?</script>', re.IGNORECASE
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+ re.DOTALL), 'color: black'),
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('TAG', re.compile(r'</?\s*[a-zA-Z0-9]+'),
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'color: darkred; font-weight: bold'),
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('ENDTAG', re.compile(r'/?>'),
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'color: darkred; font-weight: bold'),
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)),
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}
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def highlight(
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code,
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language,
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+1
-1
Submodule gluon/packages/dal updated: 95057e5bc1...f2b6afd6d3
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