我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用pygments.util.itervalues()。
def find_lexer_class(name): """Lookup a lexer class by name. Return None if not found. """ if name in _lexer_cache: return _lexer_cache[name] # lookup builtin lexers for module_name, lname, aliases, _, _ in itervalues(LEXERS): if name == lname: _load_lexers(module_name) return _lexer_cache[name] # continue with lexers from setuptools entrypoints for cls in find_plugin_lexers(): if cls.name == name: return cls
def get_lexer_by_name(_alias, **options): """Get a lexer by an alias. Raises ClassNotFound if not found. """ if not _alias: raise ClassNotFound('no lexer for alias %r found' % _alias) # lookup builtin lexers for module_name, name, aliases, _, _ in itervalues(LEXERS): if _alias.lower() in aliases: if name not in _lexer_cache: _load_lexers(module_name) return _lexer_cache[name](**options) # continue with lexers from setuptools entrypoints for cls in find_plugin_lexers(): if _alias.lower() in cls.aliases: return cls(**options) raise ClassNotFound('no lexer for alias %r found' % _alias)
def get_formatter_for_filename(fn, **options): """Lookup and instantiate a formatter by filename pattern. Raises ClassNotFound if not found. """ fn = basename(fn) for modname, name, _, filenames, _ in itervalues(FORMATTERS): for filename in filenames: if _fn_matches(fn, filename): if name not in _formatter_cache: _load_formatters(modname) return _formatter_cache[name](**options) for cls in find_plugin_formatters(): for filename in cls.filenames: if _fn_matches(fn, filename): return cls(**options) raise ClassNotFound("no formatter found for file name %r" % fn)
def find_lexer_class_by_name(_alias): """Lookup a lexer class by alias. Like `get_lexer_by_name`, but does not instantiate the class. .. versionadded:: 2.2 """ if not _alias: raise ClassNotFound('no lexer for alias %r found' % _alias) # lookup builtin lexers for module_name, name, aliases, _, _ in itervalues(LEXERS): if _alias.lower() in aliases: if name not in _lexer_cache: _load_lexers(module_name) return _lexer_cache[name] # continue with lexers from setuptools entrypoints for cls in find_plugin_lexers(): if _alias.lower() in cls.aliases: return cls raise ClassNotFound('no lexer for alias %r found' % _alias)
def get_all_lexers(): """Return a generator of tuples in the form ``(name, aliases, filenames, mimetypes)`` of all know lexers. """ for item in itervalues(LEXERS): yield item[1:] for lexer in find_plugin_lexers(): yield lexer.name, lexer.aliases, lexer.filenames, lexer.mimetypes
def find_lexer_class_for_filename(_fn, code=None): """Get a lexer for a filename. If multiple lexers match the filename pattern, use ``analyse_text()`` to figure out which one is more appropriate. Returns None if not found. """ matches = [] fn = basename(_fn) for modname, name, _, filenames, _ in itervalues(LEXERS): for filename in filenames: if _fn_matches(fn, filename): if name not in _lexer_cache: _load_lexers(modname) matches.append((_lexer_cache[name], filename)) for cls in find_plugin_lexers(): for filename in cls.filenames: if _fn_matches(fn, filename): matches.append((cls, filename)) if sys.version_info > (3,) and isinstance(code, bytes): # decode it, since all analyse_text functions expect unicode code = guess_decode(code) def get_rating(info): cls, filename = info # explicit patterns get a bonus bonus = '*' not in filename and 0.5 or 0 # The class _always_ defines analyse_text because it's included in # the Lexer class. The default implementation returns None which # gets turned into 0.0. Run scripts/detect_missing_analyse_text.py # to find lexers which need it overridden. if code: return cls.analyse_text(code) + bonus return cls.priority + bonus if matches: matches.sort(key=get_rating) # print "Possible lexers, after sort:", matches return matches[-1][0]
def get_lexer_for_mimetype(_mime, **options): """Get a lexer for a mimetype. Raises ClassNotFound if not found. """ for modname, name, _, _, mimetypes in itervalues(LEXERS): if _mime in mimetypes: if name not in _lexer_cache: _load_lexers(modname) return _lexer_cache[name](**options) for cls in find_plugin_lexers(): if _mime in cls.mimetypes: return cls(**options) raise ClassNotFound('no lexer for mimetype %r found' % _mime)
def find_formatter_class(alias): """Lookup a formatter by alias. Returns None if not found. """ for module_name, name, aliases, _, _ in itervalues(FORMATTERS): if alias in aliases: if name not in _formatter_cache: _load_formatters(module_name) return _formatter_cache[name] for _, cls in find_plugin_formatters(): if alias in cls.aliases: return cls
def find_lexer_class_for_filename(_fn, code=None): """Get a lexer for a filename. If multiple lexers match the filename pattern, use ``analyse_text()`` to figure out which one is more appropriate. Returns None if not found. """ matches = [] fn = basename(_fn) for modname, name, _, filenames, _ in itervalues(LEXERS): for filename in filenames: if _fn_matches(fn, filename): if name not in _lexer_cache: _load_lexers(modname) matches.append((_lexer_cache[name], filename)) for cls in find_plugin_lexers(): for filename in cls.filenames: if _fn_matches(fn, filename): matches.append((cls, filename)) if sys.version_info > (3,) and isinstance(code, bytes): # decode it, since all analyse_text functions expect unicode code = guess_decode(code) def get_rating(info): cls, filename = info # explicit patterns get a bonus bonus = '*' not in filename and 0.5 or 0 # The class _always_ defines analyse_text because it's included in # the Lexer class. The default implementation returns None which # gets turned into 0.0. Run scripts/detect_missing_analyse_text.py # to find lexers which need it overridden. if code: return cls.analyse_text(code) + bonus, cls.__name__ return cls.priority + bonus, cls.__name__ if matches: matches.sort(key=get_rating) # print "Possible lexers, after sort:", matches return matches[-1][0]
def get_all_formatters(): """Return a generator for all formatter classes.""" # NB: this returns formatter classes, not info like get_all_lexers(). for info in itervalues(FORMATTERS): if info[1] not in _formatter_cache: _load_formatters(info[0]) yield _formatter_cache[info[1]] for _, formatter in find_plugin_formatters(): yield formatter
