def content_callback(self, match):
content_type = getattr(self, 'content_type', None)
content = match.group()
offset = match.start()
if content_type:
from pygments.lexers import get_lexer_for_mimetype
possible_lexer_mimetypes = [content_type]
if '+' in content_type:
# application/calendar+xml can be treated as application/xml
# if there's not a better match.
general_type = re.sub(r'^(.*)/.*\+(.*)$', r'\1/\2',
content_type)
possible_lexer_mimetypes.append(general_type)
for i in possible_lexer_mimetypes:
try:
lexer = get_lexer_for_mimetype(i)
except ClassNotFound:
pass
else:
for idx, token, value in lexer.get_tokens_unprocessed(content):
yield offset + idx, token, value
return
yield offset, Text, content
python类ClassNotFound()的实例源码
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 guess_lexer(_text, **options):
"""Guess a lexer by strong distinctions in the text (eg, shebang)."""
# try to get a vim modeline first
ft = get_filetype_from_buffer(_text)
if ft is not None:
try:
return get_lexer_by_name(ft, **options)
except ClassNotFound:
pass
best_lexer = [0.0, None]
for lexer in _iter_lexerclasses():
rv = lexer.analyse_text(_text)
if rv == 1.0:
return lexer(**options)
if rv > best_lexer[0]:
best_lexer[:] = (rv, lexer)
if not best_lexer[0] or best_lexer[1] is None:
raise ClassNotFound('no lexer matching the text found')
return best_lexer[1](**options)
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 get_style_by_name(name):
if name in STYLE_MAP:
mod, cls = STYLE_MAP[name].split('::')
builtin = "yes"
else:
for found_name, style in find_plugin_styles():
if name == found_name:
return style
# perhaps it got dropped into our styles package
builtin = ""
mod = name
cls = name.title() + "Style"
try:
mod = __import__('pygments.styles.' + mod, None, None, [cls])
except ImportError:
raise ClassNotFound("Could not find style module %r" % mod +
(builtin and ", though it should be builtin") + ".")
try:
return getattr(mod, cls)
except AttributeError:
raise ClassNotFound("Could not find style class %r in style module." % cls)
def get_style_by_name(name):
if name in STYLE_MAP:
mod, cls = STYLE_MAP[name].split('::')
builtin = "yes"
else:
for found_name, style in find_plugin_styles():
if name == found_name:
return style
# perhaps it got dropped into our styles package
builtin = ""
mod = name
cls = name.title() + "Style"
try:
mod = __import__('pygments.styles.' + mod, None, None, [cls])
except ImportError:
raise ClassNotFound("Could not find style module %r" % mod +
(builtin and ", though it should be builtin") + ".")
try:
return getattr(mod, cls)
except AttributeError:
raise ClassNotFound("Could not find style class %r in style module." % cls)
def __init__(self, *args, **kwargs):
super(PygmentsProcessor, self).__init__(*args, **kwargs)
# Cache that speeds up when we process streamed body by line.
self.lexers_by_type = {}
if not self.env.colors:
self.enabled = False
return
try:
style = get_style_by_name(
self.kwargs.get('pygments_style', DEFAULT_STYLE))
except ClassNotFound:
style = Solarized256Style
if self.env.is_windows or self.env.colors == 256:
fmt_class = Terminal256Formatter
else:
fmt_class = TerminalFormatter
self.formatter = fmt_class(style=style)
def content_callback(self, match):
content_type = getattr(self, 'content_type', None)
content = match.group()
offset = match.start()
if content_type:
from pygments.lexers import get_lexer_for_mimetype
possible_lexer_mimetypes = [content_type]
if '+' in content_type:
# application/calendar+xml can be treated as application/xml
# if there's not a better match.
general_type = re.sub(r'^(.*)/.*\+(.*)$', r'\1/\2',
content_type)
possible_lexer_mimetypes.append(general_type)
for i in possible_lexer_mimetypes:
try:
lexer = get_lexer_for_mimetype(i)
except ClassNotFound:
pass
else:
for idx, token, value in lexer.get_tokens_unprocessed(content):
yield offset + idx, token, value
return
yield offset, Text, content
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 guess_lexer(_text, **options):
"""Guess a lexer by strong distinctions in the text (eg, shebang)."""
# try to get a vim modeline first
ft = get_filetype_from_buffer(_text)
if ft is not None:
try:
return get_lexer_by_name(ft, **options)
except ClassNotFound:
pass
best_lexer = [0.0, None]
for lexer in _iter_lexerclasses():
rv = lexer.analyse_text(_text)
if rv == 1.0:
return lexer(**options)
if rv > best_lexer[0]:
best_lexer[:] = (rv, lexer)
if not best_lexer[0] or best_lexer[1] is None:
raise ClassNotFound('no lexer matching the text found')
return best_lexer[1](**options)
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 get_style_by_name(name):
if name in STYLE_MAP:
mod, cls = STYLE_MAP[name].split('::')
builtin = "yes"
else:
for found_name, style in find_plugin_styles():
if name == found_name:
return style
# perhaps it got dropped into our styles package
builtin = ""
mod = name
cls = name.title() + "Style"
try:
mod = __import__('pygments.styles.' + mod, None, None, [cls])
except ImportError:
raise ClassNotFound("Could not find style module %r" % mod +
(builtin and ", though it should be builtin") + ".")
try:
return getattr(mod, cls)
except AttributeError:
raise ClassNotFound("Could not find style class %r in style module." % cls)
def block_code(self, code, lang=None):
"""Rendering block level code. ``pre > code``.
"""
lexer = None
if code.endswith('\n\n'):
code = code[:-1]
if HtmlFormatter and lang:
try:
lexer = get_lexer_by_name(lang, stripall=True)
except ClassNotFound:
code = lang + '\n' + code
if not lexer or not HtmlFormatter:
return '\n<pre><code>%s</code></pre>\n' % mistune.escape(code)
formatter = HtmlFormatter()
return highlight(code, lexer, formatter)
def content_callback(self, match):
content_type = getattr(self, 'content_type', None)
content = match.group()
offset = match.start()
if content_type:
from pygments.lexers import get_lexer_for_mimetype
possible_lexer_mimetypes = [content_type]
if '+' in content_type:
# application/calendar+xml can be treated as application/xml
# if there's not a better match.
general_type = re.sub(r'^(.*)/.*\+(.*)$', r'\1/\2',
content_type)
possible_lexer_mimetypes.append(general_type)
for i in possible_lexer_mimetypes:
try:
lexer = get_lexer_for_mimetype(i)
except ClassNotFound:
pass
else:
for idx, token, value in lexer.get_tokens_unprocessed(content):
yield offset + idx, token, value
return
yield offset, Text, content
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_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 guess_lexer(_text, **options):
"""Guess a lexer by strong distinctions in the text (eg, shebang)."""
# try to get a vim modeline first
ft = get_filetype_from_buffer(_text)
if ft is not None:
try:
return get_lexer_by_name(ft, **options)
except ClassNotFound:
pass
best_lexer = [0.0, None]
for lexer in _iter_lexerclasses():
rv = lexer.analyse_text(_text)
if rv == 1.0:
return lexer(**options)
if rv > best_lexer[0]:
best_lexer[:] = (rv, lexer)
if not best_lexer[0] or best_lexer[1] is None:
raise ClassNotFound('no lexer matching the text found')
return best_lexer[1](**options)
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 get_style_by_name(name):
if name in STYLE_MAP:
mod, cls = STYLE_MAP[name].split('::')
builtin = "yes"
else:
for found_name, style in find_plugin_styles():
if name == found_name:
return style
# perhaps it got dropped into our styles package
builtin = ""
mod = name
cls = name.title() + "Style"
try:
mod = __import__('pygments.styles.' + mod, None, None, [cls])
except ImportError:
raise ClassNotFound("Could not find style module %r" % mod +
(builtin and ", though it should be builtin") + ".")
try:
return getattr(mod, cls)
except AttributeError:
raise ClassNotFound("Could not find style class %r in style module." % cls)
def content_callback(self, match):
content_type = getattr(self, 'content_type', None)
content = match.group()
offset = match.start()
if content_type:
from pygments.lexers import get_lexer_for_mimetype
possible_lexer_mimetypes = [content_type]
if '+' in content_type:
# application/calendar+xml can be treated as application/xml
# if there's not a better match.
general_type = re.sub(r'^(.*)/.*\+(.*)$', r'\1/\2',
content_type)
possible_lexer_mimetypes.append(general_type)
for i in possible_lexer_mimetypes:
try:
lexer = get_lexer_for_mimetype(i)
except ClassNotFound:
pass
else:
for idx, token, value in lexer.get_tokens_unprocessed(content):
yield offset + idx, token, value
return
yield offset, Text, content
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 guess_lexer(_text, **options):
"""Guess a lexer by strong distinctions in the text (eg, shebang)."""
# try to get a vim modeline first
ft = get_filetype_from_buffer(_text)
if ft is not None:
try:
return get_lexer_by_name(ft, **options)
except ClassNotFound:
pass
best_lexer = [0.0, None]
for lexer in _iter_lexerclasses():
rv = lexer.analyse_text(_text)
if rv == 1.0:
return lexer(**options)
if rv > best_lexer[0]:
best_lexer[:] = (rv, lexer)
if not best_lexer[0] or best_lexer[1] is None:
raise ClassNotFound('no lexer matching the text found')
return best_lexer[1](**options)
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 get_style_by_name(name):
if name in STYLE_MAP:
mod, cls = STYLE_MAP[name].split('::')
builtin = "yes"
else:
for found_name, style in find_plugin_styles():
if name == found_name:
return style
# perhaps it got dropped into our styles package
builtin = ""
mod = name
cls = name.title() + "Style"
try:
mod = __import__('pygments.styles.' + mod, None, None, [cls])
except ImportError:
raise ClassNotFound("Could not find style module %r" % mod +
(builtin and ", though it should be builtin") + ".")
try:
return getattr(mod, cls)
except AttributeError:
raise ClassNotFound("Could not find style class %r in style module." % cls)
def content_callback(self, match):
content_type = getattr(self, 'content_type', None)
content = match.group()
offset = match.start()
if content_type:
from pygments.lexers import get_lexer_for_mimetype
possible_lexer_mimetypes = [content_type]
if '+' in content_type:
# application/calendar+xml can be treated as application/xml
# if there's not a better match.
general_type = re.sub(r'^(.*)/.*\+(.*)$', r'\1/\2',
content_type)
possible_lexer_mimetypes.append(general_type)
for i in possible_lexer_mimetypes:
try:
lexer = get_lexer_for_mimetype(i)
except ClassNotFound:
pass
else:
for idx, token, value in lexer.get_tokens_unprocessed(content):
yield offset + idx, token, value
return
yield offset, Text, content
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 guess_lexer(_text, **options):
"""Guess a lexer by strong distinctions in the text (eg, shebang)."""
# try to get a vim modeline first
ft = get_filetype_from_buffer(_text)
if ft is not None:
try:
return get_lexer_by_name(ft, **options)
except ClassNotFound:
pass
best_lexer = [0.0, None]
for lexer in _iter_lexerclasses():
rv = lexer.analyse_text(_text)
if rv == 1.0:
return lexer(**options)
if rv > best_lexer[0]:
best_lexer[:] = (rv, lexer)
if not best_lexer[0] or best_lexer[1] is None:
raise ClassNotFound('no lexer matching the text found')
return best_lexer[1](**options)
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 get_style_by_name(name):
if name in STYLE_MAP:
mod, cls = STYLE_MAP[name].split('::')
builtin = "yes"
else:
for found_name, style in find_plugin_styles():
if name == found_name:
return style
# perhaps it got dropped into our styles package
builtin = ""
mod = name
cls = name.title() + "Style"
try:
mod = __import__('pygments.styles.' + mod, None, None, [cls])
except ImportError:
raise ClassNotFound("Could not find style module %r" % mod +
(builtin and ", though it should be builtin") + ".")
try:
return getattr(mod, cls)
except AttributeError:
raise ClassNotFound("Could not find style class %r in style module." % cls)
def content_callback(self, match):
content_type = getattr(self, 'content_type', None)
content = match.group()
offset = match.start()
if content_type:
from pygments.lexers import get_lexer_for_mimetype
possible_lexer_mimetypes = [content_type]
if '+' in content_type:
# application/calendar+xml can be treated as application/xml
# if there's not a better match.
general_type = re.sub(r'^(.*)/.*\+(.*)$', r'\1/\2',
content_type)
possible_lexer_mimetypes.append(general_type)
for i in possible_lexer_mimetypes:
try:
lexer = get_lexer_for_mimetype(i)
except ClassNotFound:
pass
else:
for idx, token, value in lexer.get_tokens_unprocessed(content):
yield offset + idx, token, value
return
yield offset, Text, content