def get_all_lexers():
"""
Return a generator of tuples in the form ``(name, aliases,
filenames, mimetypes)`` of all know lexers.
"""
for item in LEXERS.values():
yield item[1:]
for lexer in find_plugin_lexers():
yield lexer.name, lexer.aliases, lexer.filenames, lexer.mimetypes
def get_all_lexers():
"""
Return a generator of tuples in the form ``(name, aliases,
filenames, mimetypes)`` of all know lexers.
"""
for item in LEXERS.values():
yield item[1:]
for lexer in find_plugin_lexers():
yield lexer.name, lexer.aliases, lexer.filenames, lexer.mimetypes
def _iter_lexerclasses():
"""
Return an iterator over all lexer classes.
"""
for module_name, name, _, _, _ in LEXERS.values():
if name not in _lexer_cache:
_load_lexers(module_name)
yield _lexer_cache[name]
for lexer in find_plugin_lexers():
yield lexer
def _iter_lexerclasses():
"""
Return an iterator over all lexer classes.
"""
for module_name, name, _, _, _ in LEXERS.values():
if name not in _lexer_cache:
_load_lexers(module_name)
yield _lexer_cache[name]
for lexer in find_plugin_lexers():
yield lexer
def get_lexer_for_mimetype(_mime, **options):
"""
Get a lexer for a mimetype.
"""
for modname, name, _, _, mimetypes in LEXERS.values():
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 get_lexer_for_mimetype(_mime, **options):
"""
Get a lexer for a mimetype.
"""
for modname, name, _, _, mimetypes in LEXERS.values():
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 get_lexer_by_name(_alias, **options):
"""
Get a lexer by an alias.
"""
# lookup builtin lexers
for module_name, name, aliases, _, _ in LEXERS.values():
if _alias 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 in cls.aliases:
return cls(**options)
raise ClassNotFound('no lexer for alias %r found' % _alias)
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 LEXERS.values():
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.
"""
# lookup builtin lexers
for module_name, name, aliases, _, _ in LEXERS.values():
if _alias 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 in cls.aliases:
return cls(**options)
raise ClassNotFound('no lexer for alias %r found' % _alias)
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 LEXERS.values():
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_for_filename(_fn, code=None, **options):
"""
Get a lexer for a filename. If multiple lexers match the filename
pattern, use ``analyze_text()`` to figure out which one is more
appropriate.
"""
matches = []
fn = basename(_fn)
for modname, name, _, filenames, _ in LEXERS.values():
for filename in filenames:
if fnmatch.fnmatch(fn, filename):
if name not in _lexer_cache:
_load_lexers(modname)
matches.append(_lexer_cache[name])
for cls in find_plugin_lexers():
for filename in cls.filenames:
if fnmatch.fnmatch(fn, filename):
matches.append(cls)
if sys.version_info > (3,) and isinstance(code, bytes):
# decode it, since all analyse_text functions expect unicode
code = code.decode('latin1')
def get_rating(cls):
# 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.
d = cls.analyse_text(code)
#print "Got %r from %r" % (d, cls)
return d
if code:
matches.sort(key=get_rating)
if matches:
#print "Possible lexers, after sort:", matches
return matches[-1](**options)
raise ClassNotFound('no lexer for filename %r found' % _fn)
def get_lexer_for_filename(_fn, code=None, **options):
"""
Get a lexer for a filename. If multiple lexers match the filename
pattern, use ``analyze_text()`` to figure out which one is more
appropriate.
"""
matches = []
fn = basename(_fn)
for modname, name, _, filenames, _ in LEXERS.values():
for filename in filenames:
if fnmatch.fnmatch(fn, filename):
if name not in _lexer_cache:
_load_lexers(modname)
matches.append(_lexer_cache[name])
for cls in find_plugin_lexers():
for filename in cls.filenames:
if fnmatch.fnmatch(fn, filename):
matches.append(cls)
if sys.version_info > (3, ) and isinstance(code, bytes):
# decode it, since all analyse_text functions expect unicode
code = code.decode('latin1')
def get_rating(cls):
# 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.
d = cls.analyse_text(code)
#print "Got %r from %r" % (d, cls)
return d
if code:
matches.sort(key=get_rating)
if matches:
#print "Possible lexers, after sort:", matches
return matches[-1](**options)
raise ClassNotFound('no lexer for filename %r found' % _fn)