# -*- coding: utf-8 -*-
"""
pygments.lexers.python
~~~~~~~~~~~~~~~~~~~~~~
Lexers for Python and related languages.
:copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
from pygments.lexer import Lexer, RegexLexer, include, bygroups, using, \
default, words, combined, do_insertions
from pygments.util import get_bool_opt, shebang_matches
from pygments.token import Text, Comment, Operator, Keyword, Name, String, \
Number, Punctuation, Generic, Other, Error
from pygments import unistring as uni
__all__ = ['PythonLexer', 'PythonConsoleLexer', 'PythonTracebackLexer',
'Python3Lexer', 'Python3TracebackLexer', 'CythonLexer',
'DgLexer', 'NumPyLexer']
line_re = re.compile('.*?\n')
class PythonLexer(RegexLexer):
"""
For `Python <http://www.python.org>`_ source code.
"""
name = 'Python'
aliases = ['python', 'py', 'sage']
filenames = ['*.py', '*.pyw', '*.sc', 'SConstruct', 'SConscript', '*.tac', '*.sage']
mimetypes = ['text/x-python', 'application/x-python']
def innerstring_rules(ttype):
return [
# the old style '%s' % (...) string formatting
(r'%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
'[hlL]?[E-GXc-giorsux%]', String.Interpol),
# backslashes, quotes and formatting signs must be parsed one at a time
(r'[^\\\'"%\n]+', ttype),
(r'[\'"\\]', ttype),
# unhandled string formatting sign
(r'%', ttype),
# newlines are an error (use "nl" state)
]
tokens = {
'root': [
(r'\n', Text),
(r'^(\s*)([rRuUbB]{,2})("""(?:.|\n)*?""")',
bygroups(Text, String.Affix, String.Doc)),
(r"^(\s*)([rRuUbB]{,2})('''(?:.|\n)*?''')",
bygroups(Text, String.Affix, String.Doc)),
(r'[^\S\n]+', Text),
(r'\A#!.+$', Comment.Hashbang),
(r'#.*$', Comment.Single),
(r'[]{}:(),;[]', Punctuation),
(r'\\\n', Text),
(r'\\', Text),
(r'(in|is|and|or|not)\b', Operator.Word),
(r'!=|==|<<|>>|[-~+/*%=<>&^|.]', Operator),
include('keywords'),
(r'(def)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'funcname'),
(r'(class)((?:\s|\\\s)+)', bygroups(Keyword, Text), 'classname'),
(r'(from)((?:\s|\\\s)+)', bygroups(Keyword.Namespace, Text),
'fromimport'),
(r'(import)((?:\s|\\\s)+)', bygroups(Keyword.Namespace, Text),
'import'),
include('builtins'),
include('magicfuncs'),
include('magicvars'),
include('backtick'),
('([rR]|[uUbB][rR]|[rR][uUbB])(""")',
bygroups(String.Affix, String.Double), 'tdqs'),
("([rR]|[uUbB][rR]|[rR][uUbB])(''')",
bygroups(String.Affix, String.Single), 'tsqs'),
('([rR]|[uUbB][rR]|[rR][uUbB])(")',
bygroups(String.Affix, String.Double), 'dqs'),
("([rR]|[uUbB][rR]|[rR][uUbB])(')",
bygroups(String.Affix, String.Single), 'sqs'),
('([uUbB]?)(""")', bygroups(String.Affix, String.Double),
combined('stringescape', 'tdqs')),
("([uUbB]?)(''')", bygroups(String.Affix, String.Single),
combined('stringescape', 'tsqs')),
('([uUbB]?)(")', bygroups(String.Affix, String.Double),
combined('stringescape', 'dqs')),
("([uUbB]?)(')", bygroups(String.Affix, String.Single),
combined('stringescape', 'sqs')),
include('name'),
include('numbers'),
],
'keywords': [
(words((
'assert', 'break', 'continue', 'del', 'elif', 'else', 'except',
'exec', 'finally', 'for', 'global', 'if', 'lambda', 'pass',
'print', 'raise', 'return', 'try', 'while', 'yield',
'yield from', 'as', 'with'), suffix=r'\b'),
Keyword),
],
'builtins': [
(words((
'__import__', 'abs', 'all', 'any', 'apply', 'basestring', 'bin',
'bool', 'buffer', 'bytearray', 'bytes', 'callable', 'chr', 'classmethod',
'cmp', 'coerce', 'compile', 'complex', 'delattr', 'dict', 'dir', 'divmod',
'enumerate', 'eval', 'execfile', 'exit', 'file', 'filter', 'float',
'frozenset', 'getattr', 'globals', 'hasattr', 'hash', 'hex', 'id',
'input', 'int', 'intern', 'isinstance', 'issubclass', 'iter', 'len',
'list', 'locals', 'long', 'map', 'max', 'min', 'next', 'object',
'oct', 'open', 'ord', 'pow', 'property', 'range', 'raw_input', 'reduce',
'reload', 'repr', 'reversed', 'round', 'set', 'setattr', 'slice',
'sorted', 'staticmethod', 'str', 'sum', 'super', 'tuple', 'type',
'unichr', 'unicode', 'vars', 'xrange', 'zip'),
prefix=r'(?<!\.)', suffix=r'\b'),
Name.Builtin),
(r'(?<!\.)(self|None|Ellipsis|NotImplemented|False|True|cls'
r')\b', Name.Builtin.Pseudo),
(words((
'ArithmeticError', 'AssertionError', 'AttributeError',
'BaseException', 'DeprecationWarning', 'EOFError', 'EnvironmentError',
'Exception', 'FloatingPointError', 'FutureWarning', 'GeneratorExit',
'IOError', 'ImportError', 'ImportWarning', 'IndentationError',
'IndexError', 'KeyError', 'KeyboardInterrupt', 'LookupError',
'MemoryError', 'NameError', 'NotImplemented', 'NotImplementedError',
'OSError', 'OverflowError', 'OverflowWarning', 'PendingDeprecationWarning',
'ReferenceError', 'RuntimeError', 'RuntimeWarning', 'StandardError',
'StopIteration', 'SyntaxError', 'SyntaxWarning', 'SystemError',
'SystemExit', 'TabError', 'TypeError', 'UnboundLocalError',
'UnicodeDecodeError', 'UnicodeEncodeError', 'UnicodeError',
'UnicodeTranslateError', 'UnicodeWarning', 'UserWarning',
'ValueError', 'VMSError', 'Warning', 'WindowsError',
'ZeroDivisionError'), prefix=r'(?<!\.)', suffix=r'\b'),
Name.Exception),
],
'magicfuncs': [
(words((
'__abs__', '__add__', '__and__', '__call__', '__cmp__', '__coerce__',
'__complex__', '__contains__', '__del__', '__delattr__', '__delete__',
'__delitem__', '__delslice__', '__div__', '__divmod__', '__enter__',
'__eq__', '__exit__', '__float__', '__floordiv__', '__ge__', '__get__',
'__getattr__', '__getattribute__', '__getitem__', '__getslice__', '__gt__',
'__hash__', '__hex__', '__iadd__', '__iand__', '__idiv__', '__ifloordiv__',
'__ilshift__', '__imod__', '__imul__', '__index__', '__init__',
'__instancecheck__', '__int__', '__invert__', '__iop__', '__ior__',
'__ipow__', '__irshift__', '__isub__', '__iter__', '__itruediv__',
'__ixor__', '__le__', '__len__', '__long__', '__lshift__', '__lt__',
'__missing__', '__mod__', '__mul__', '__ne__', '__neg__', '__new__',
'__nonzero__', '__oct__', '__op__', '__or__', '__pos__', '__pow__',
'__radd__', '__rand__', '__rcmp__', '__rdiv__', '__rdivmod__', '__repr__',
'__reversed__', '__rfloordiv__', '__rlshift__', '__rmod__', '__rmul__',
'__rop__', '__ror__', '__rpow__', '__rrshift__', '__rshift__', '__rsub__',
'__rtruediv__', '__rxor__', '__set__', '__setattr__', '__setitem__',
'__setslice__', '__str__', '__sub__', '__subclasscheck__', '__truediv__',
'__unicode__', '__xor__'), suffix=r'\b'),
Name.Function.Magic),
],
'magicvars': [
(words((
'__bases__', '__class__', '__closure__', '__code__', '__defaults__',
'__dict__', '__doc__', '__file__', '__func__', '__globals__',
'__metaclass__', '__module__', '__mro__', '__name__', '__self__',
'__slots__', '__weakref__'),
suffix=r'\b'),
Name.Variable.Magic),
],
'numbers': [
(r'(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?j?', Number.Float),
(r'\d+[eE][+-]?[0-9]+j?', Number.Float),
(r'0[0-7]+j?', Number.Oct),
(r'0[bB][01]+', Number.Bin),
(r'0[xX][a-fA-F0-9]+', Number.Hex),
(r'\d+L', Number.Integer.Long),
(r'\d+j?', Number.Integer)
],
'backtick': [
('`.*?`', String.Backtick),
],
'name': [
(r'@[\w.]+', Name.Decorator),
('[a-zA-Z_]\w*', Name),
],
'funcname': [
include('magicfuncs'),
('[a-zA-Z_]\w*', Name.Function, '#pop'),
default('#pop'),
],
'classname': [
('[a-zA-Z_]\w*', Name.Class, '#pop')
],
'import': [
(r'(?:[ \t]|\\\n)+', Text),
(r'as\b', Keyword.Namespace),
(r',', Operator),
(r'[a-zA-Z_][\w.]*', Name.Namespace),
default('#pop') # all else: go back
],
'fromimport': [
(r'(?:[ \t]|\\\n)+', Text),
(r'import\b', Keyword.Namespace, '#pop'),
# if None occurs here, it's "raise x from None", since None can
# never be a module name
(r'None\b', Name.Builtin.Pseudo, '#pop'),
# sadly, in "raise x from y" y will be highlighted as namespace too
(r'[a-zA-Z_.][\w.]*', Name.Namespace),
# anything else here also means "raise x from y" and is therefore
# not an error
default('#pop'),
],
'stringescape': [
(r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
],
'strings-single': innerstring_rules(String.Single),
'strings-double': innerstring_rules(String.Double),
'dqs': [
(r'"', String.Double, '#pop'),
(r'\\\\|\\"|\\\n', String.Escape), # included here for raw strings
include('strings-double')
],
'sqs': [
(r"'", String.Single, '#pop'),
(r"\\\\|\\'|\\\n", String.Escape), # included here for raw strings
include('strings-single')
],
'tdqs': [
(r'"""', String.Double, '#pop'),
include('strings-double'),
(r'\n', String.Double)
],
'tsqs': [
(r"'''", String.Single, '#pop'),
include('strings-single'),
(r'\n', String.Single)
],
}
def analyse_text(text):
return shebang_matches(text, r'pythonw?(2(\.\d)?)?') or \
'import ' in text[:1000]
class Python3Lexer(RegexLexer):
"""
For `Python <http://www.python.org>`_ source code (version 3.0).
.. versionadded:: 0.10
"""
name = 'Python 3'
aliases = ['python3', 'py3']
filenames = [] # Nothing until Python 3 gets widespread
mimetypes = ['text/x-python3', 'application/x-python3']
flags = re.MULTILINE | re.UNICODE
uni_name = "[%s][%s]*" % (uni.xid_start, uni.xid_continue)
def innerstring_rules(ttype):
return [
# the old style '%s' % (...) string formatting (still valid in Py3)
(r'%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
'[hlL]?[E-GXc-giorsux%]', String.Interpol),
# the new style '{}'.format(...) string formatting
(r'\{'
'((\w+)((\.\w+)|(\[[^\]]+\]))*)?' # field name
'(\![sra])?' # conversion
'(\:(.?[<>=\^])?[-+ ]?#?0?(\d+)?,?(\.\d+)?[E-GXb-gnosx%]?)?'
'\}', String.Interpol),
# backslashes, quotes and formatting signs must be parsed one at a time
(r'[^\\\'"%{\n]+', ttype),
(r'[\'"\\]', ttype),
# unhandled string formatting sign
(r'%|(\{{1,2})', ttype)
# newlines are an error (use "nl" state)
]
tokens = PythonLexer.tokens.copy()
tokens['keywords'] = [
(words((
'assert', 'async', 'await', 'break', 'continue', 'del', 'elif',
'else', 'except', 'finally', 'for', 'global', 'if', 'lambda', 'pass',
'raise', 'nonlocal', 'return', 'try', 'while', 'yield', 'yield from',
'as', 'with'), suffix=r'\b'),
Keyword),
(words((
'True', 'False', 'None'), suffix=r'\b'),
Keyword.Constant),
]
tokens['builtins'] = [
(words((
'__import__', 'abs', 'all', 'any', 'bin', 'bool', 'bytearray', 'bytes',
'chr', 'classmethod', 'cmp', 'compile', 'complex', 'delattr', 'dict',
'dir', 'divmod', 'enumerate', 'eval', 'filter', 'float', 'format',
'frozenset', 'getattr', 'globals', 'hasattr', 'hash', 'hex', 'id',
'input', 'int', 'isinstance', 'issubclass', 'iter', 'len', 'list',
'locals', 'map', 'max', 'memoryview', 'min', 'next', 'object', 'oct',
'open', 'ord', 'pow', 'print', 'property', 'range', 'repr', 'reversed',
'round', 'set', 'setattr', 'slice', 'sorted', 'staticmethod', 'str',
'sum', 'super', 'tuple', 'type', 'vars', 'zip'), prefix=r'(?<!\.)',
suffix=r'\b'),
Name.Builtin),
(r'(?<!\.)(self|Ellipsis|NotImplemented|cls)\b', Name.Builtin.Pseudo),
(words((
'ArithmeticError', 'AssertionError', 'AttributeError',
'BaseException', 'BufferError', 'BytesWarning', 'DeprecationWarning',
'EOFError', 'EnvironmentError', 'Exception', 'FloatingPointError',
'FutureWarning', 'GeneratorExit', 'IOError', 'ImportError',
'ImportWarning', 'IndentationError', 'IndexError', 'KeyError',
'KeyboardInterrupt', 'LookupError', 'MemoryError', 'NameError',
'NotImplementedError', 'OSError', 'OverflowError',
'PendingDeprecationWarning', 'ReferenceError', 'ResourceWarning',
'RuntimeError', 'RuntimeWarning', 'StopIteration',
'SyntaxError', 'SyntaxWarning', 'SystemError', 'SystemExit', 'TabError',
'TypeError', 'UnboundLocalError', 'UnicodeDecodeError',
'UnicodeEncodeError', 'UnicodeError', 'UnicodeTranslateError',
'UnicodeWarning', 'UserWarning', 'ValueError', 'VMSError', 'Warning',
'WindowsError', 'ZeroDivisionError',
# new builtin exceptions from PEP 3151
'BlockingIOError', 'ChildProcessError', 'ConnectionError',
'BrokenPipeError', 'ConnectionAbortedError', 'ConnectionRefusedError',
'ConnectionResetError', 'FileExistsError', 'FileNotFoundError',
'InterruptedError', 'IsADirectoryError', 'NotADirectoryError',
'PermissionError', 'ProcessLookupError', 'TimeoutError'),
prefix=r'(?<!\.)', suffix=r'\b'),
Name.Exception),
]
tokens['magicfuncs'] = [
(words((
'__abs__', '__add__', '__aenter__', '__aexit__', '__aiter__', '__and__',
'__anext__', '__await__', '__bool__', '__bytes__', '__call__',
'__complex__', '__contains__', '__del__', '__delattr__', '__delete__',
'__delitem__', '__dir__', '__divmod__', '__enter__', '__eq__', '__exit__',
'__float__', '__floordiv__', '__format__', '__ge__', '__get__',
'__getattr__', '__getattribute__', '__getitem__', '__gt__', '__hash__',
'__iadd__', '__iand__', '__ifloordiv__', '__ilshift__', '__imatmul__',
'__imod__', '__import__', '__imul__', '__index__', '__init__',
'__instancecheck__', '__int__', '__invert__', '__ior__', '__ipow__',
'__irshift__', '__isub__', '__iter__', '__itruediv__', '__ixor__',
'__le__', '__len__', '__length_hint__', '__lshift__', '__lt__',
'__matmul__', '__missing__', '__mod__', '__mul__', '__ne__', '__neg__',
'__new__', '__next__', '__or__', '__pos__', '__pow__', '__prepare__',
'__radd__', '__rand__', '__rdivmod__', '__repr__', '__reversed__',
'__rfloordiv__', '__rlshift__', '__rmatmul__', '__rmod__', '__rmul__',
'__ror__', '__round__', '__rpow__', '__rrshift__', '__rshift__',
'__rsub__', '__rtruediv__', '__rxor__', '__set__', '__setattr__',
'__setitem__', '__str__', '__sub__', '__subclasscheck__', '__truediv__',
'__xor__'), suffix=r'\b'),
Name.Function.Magic),
]
tokens['magicvars'] = [
(words((
'__annotations__', '__bases__', '__class__', '__closure__', '__code__',
'__defaults__', '__dict__', '__doc__', '__file__', '__func__',
'__globals__', '__kwdefaults__', '__module__', '__mro__', '__name__',
'__objclass__', '__qualname__', '__self__', '__slots__', '__weakref__'),
suffix=r'\b'),
Name.Variable.Magic),
]
tokens['numbers'] = [
(r'(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?', Number.Float),
(r'\d+[eE][+-]?[0-9]+j?', Number.Float),
(r'0[oO][0-7]+', Number.Oct),
(r'0[bB][01]+', Number.Bin),
(r'0[xX][a-fA-F0-9]+', Number.Hex),
(r'\d+', Number.Integer)
]
tokens['backtick'] = []
tokens['name'] = [
(r'@\w+', Name.Decorator),
(r'@', Operator), # new matrix multiplication operator
(uni_name, Name),
]
tokens['funcname'] = [
(uni_name, Name.Function, '#pop')
]
tokens['classname'] = [
(uni_name, Name.Class, '#pop')
]
tokens['import'] = [
(r'(\s+)(as)(\s+)', bygroups(Text, Keyword, Text)),
(r'\.', Name.Namespace),
(uni_name, Name.Namespace),
(r'(\s*)(,)(\s*)', bygroups(Text, Operator, Text)),
default('#pop') # all else: go back
]
tokens['fromimport'] = [
(r'(\s+)(import)\b', bygroups(Text, Keyword), '#pop'),
(r'\.', Name.Namespace),
(uni_name, Name.Namespace),
default('#pop'),
]
tokens['strings-single'] = innerstring_rules(String.Single)
tokens['strings-double'] = innerstring_rules(String.Double)
def analyse_text(text):
return shebang_matches(text, r'pythonw?3(\.\d)?')
class PythonConsoleLexer(Lexer):
"""
For Python console output or doctests, such as:
.. sourcecode:: pycon
>>> a = 'foo'
>>> print a
foo
>>> 1 / 0
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ZeroDivisionError: integer division or modulo by zero
Additional options:
`python3`
Use Python 3 lexer for code. Default is ``False``.
.. versionadded:: 1.0
"""
name = 'Python console session'
aliases = ['pycon']
mimetypes = ['text/x-python-doctest']
def __init__(self, **options):
self.python3 = get_bool_opt(options, 'python3', False)
Lexer.__init__(self, **options)
def get_tokens_unprocessed(self, text):
if self.python3:
pylexer = Python3Lexer(**self.options)
tblexer = Python3TracebackLexer(**self.options)
else:
pylexer = PythonLexer(**self.options)
tblexer = PythonTracebackLexer(**self.options)
curcode = ''
insertions = []
curtb = ''
tbindex = 0
tb = 0
for match in line_re.finditer(text):
line = match.group()
if line.startswith(u'>>> ') or line.startswith(u'... '):
tb = 0
insertions.append((len(curcode),
[(0, Generic.Prompt, line[:4])]))
curcode += line[4:]
elif line.rstrip() == u'...' and not tb:
# only a new >>> prompt can end an exception block
# otherwise an ellipsis in place of the traceback frames
# will be mishandled
insertions.append((len(curcode),
[(0, Generic.Prompt, u'...')]))
curcode += line[3:]
else:
if curcode:
for item in do_insertions(
insertions, pylexer.get_tokens_unprocessed(curcode)):
yield item
curcode = ''
insertions = []
if (line.startswith(u'Traceback (most recent call last):') or
re.match(u' File "[^"]+", line \\d+\\n$', line)):
tb = 1
curtb = line
tbindex = match.start()
elif line == 'KeyboardInterrupt\n':
yield match.start(), Name.Class, line
elif tb:
curtb += line
if not (line.startswith(' ') or line.strip() == u'...'):
tb = 0
for i, t, v in tblexer.get_tokens_unprocessed(curtb):
yield tbindex+i, t, v
curtb = ''
else:
yield match.start(), Generic.Output, line
if curcode:
for item in do_insertions(insertions,
pylexer.get_tokens_unprocessed(curcode)):
yield item
if curtb:
for i, t, v in tblexer.get_tokens_unprocessed(curtb):
yield tbindex+i, t, v
class PythonTracebackLexer(RegexLexer):
"""
For Python tracebacks.
.. versionadded:: 0.7
"""
name = 'Python Traceback'
aliases = ['pytb']
filenames = ['*.pytb']
mimetypes = ['text/x-python-traceback']
tokens = {
'root': [
# Cover both (most recent call last) and (innermost last)
# The optional ^C allows us to catch keyboard interrupt signals.
(r'^(\^C)?(Traceback.*\n)',
bygroups(Text, Generic.Traceback), 'intb'),
# SyntaxError starts with this.
(r'^(?= File "[^"]+", line \d+)', Generic.Traceback, 'intb'),
(r'^.*\n', Other),
],
'intb': [
(r'^( File )("[^"]+")(, line )(\d+)(, in )(.+)(\n)',
bygroups(Text, Name.Builtin, Text, Number, Text, Name, Text)),
(r'^( File )("[^"]+")(, line )(\d+)(\n)',
bygroups(Text, Name.Builtin, Text, Number, Text)),
(r'^( )(.+)(\n)',
bygroups(Text, using(PythonLexer), Text)),
(r'^([ \t]*)(\.\.\.)(\n)',
bygroups(Text, Comment, Text)), # for doctests...
(r'^([^:]+)(: )(.+)(\n)',
bygroups(Generic.Error, Text, Name, Text), '#pop'),
(r'^([a-zA-Z_]\w*)(:?\n)',
bygroups(Generic.Error, Text), '#pop')
],
}
class Python3TracebackLexer(RegexLexer):
"""
For Python 3.0 tracebacks, with support for chained exceptions.
.. versionadded:: 1.0
"""
name = 'Python 3.0 Traceback'
aliases = ['py3tb']
filenames = ['*.py3tb']
mimetypes = ['text/x-python3-traceback']
tokens = {
'root': [
(r'\n', Text),
(r'^Traceback \(most recent call last\):\n', Generic.Traceback, 'intb'),
(r'^During handling of the above exception, another '
r'exception occurred:\n\n', Generic.Traceback),
(r'^The above exception was the direct cause of the '
r'following exception:\n\n', Generic.Traceback),
(r'^(?= File "[^"]+", line \d+)', Generic.Traceback, 'intb'),
],
'intb': [
(r'^( File )("[^"]+")(, line )(\d+)(, in )(.+)(\n)',
bygroups(Text, Name.Builtin, Text, Number, Text, Name, Text)),
(r'^( File )("[^"]+")(, line )(\d+)(\n)',
bygroups(Text, Name.Builtin, Text, Number, Text)),
(r'^( )(.+)(\n)',
bygroups(Text, using(Python3Lexer), Text)),
(r'^([ \t]*)(\.\.\.)(\n)',
bygroups(Text, Comment, Text)), # for doctests...
(r'^([^:]+)(: )(.+)(\n)',
bygroups(Generic.Error, Text, Name, Text), '#pop'),
(r'^([a-zA-Z_]\w*)(:?\n)',
bygroups(Generic.Error, Text), '#pop')
],
}
class CythonLexer(RegexLexer):
"""
For Pyrex and `Cython <http://cython.org>`_ source code.
.. versionadded:: 1.1
"""
name = 'Cython'
aliases = ['cython', 'pyx', 'pyrex']
filenames = ['*.pyx', '*.pxd', '*.pxi']
mimetypes = ['text/x-cython', 'application/x-cython']
tokens = {
'root': [
(r'\n', Text),
(r'^(\s*)("""(?:.|\n)*?""")', bygroups(Text, String.Doc)),
(r"^(\s*)('''(?:.|\n)*?''')", bygroups(Text, String.Doc)),
(r'[^\S\n]+', Text),
(r'#.*$', Comment),
(r'[]{}:(),;[]', Punctuation),
(r'\\\n', Text),
(r'\\', Text),
(r'(in|is|and|or|not)\b', Operator.Word),
(r'(<)([a-zA-Z0-9.?]+)(>)',
bygroups(Punctuation, Keyword.Type, Punctuation)),
(r'!=|==|<<|>>|[-~+/*%=<>&^|.?]', Operator),
(r'(from)(\d+)(<=)(\s+)(<)(\d+)(:)',
bygroups(Keyword, Number.Integer, Operator, Name, Operator,
Name, Punctuation)),
include('keywords'),
(r'(def|property)(\s+)', bygroups(Keyword, Text), 'funcname'),
(r'(cp?def)(\s+)', bygroups(Keyword, Text), 'cdef'),
# (should actually start a block with only cdefs)
(r'(cdef)(:)', bygroups(Keyword, Punctuation)),
(r'(class|struct)(\s+)', bygroups(Keyword, Text), 'classname'),
(r'(from)(\s+)', bygroups(Keyword, Text), 'fromimport'),
(r'(c?import)(\s+)', bygroups(Keyword, Text), 'import'),
include('builtins'),
include('backtick'),
('(?:[rR]|[uU][rR]|[rR][uU])"""', String, 'tdqs'),
("(?:[rR]|[uU][rR]|[rR][uU])'''", String, 'tsqs'),
('(?:[rR]|[uU][rR]|[rR][uU])"', String, 'dqs'),
("(?:[rR]|[uU][rR]|[rR][uU])'", String, 'sqs'),
('[uU]?"""', String, combined('stringescape', 'tdqs')),
("[uU]?'''", String, combined('stringescape', 'tsqs')),
('[uU]?"', String, combined('stringescape', 'dqs')),
("[uU]?'", String, combined('stringescape', 'sqs')),
include('name'),
include('numbers'),
],
'keywords': [
(words((
'assert', 'break', 'by', 'continue', 'ctypedef', 'del', 'elif',
'else', 'except', 'except?', 'exec', 'finally', 'for', 'fused', 'gil',
'global', 'if', 'include', 'lambda', 'nogil', 'pass', 'print',
'raise', 'return', 'try', 'while', 'yield', 'as', 'with'), suffix=r'\b'),
Keyword),
(r'(DEF|IF|ELIF|ELSE)\b', Comment.Preproc),
],
'builtins': [
(words((
'__import__', 'abs', 'all', 'any', 'apply', 'basestring', 'bin',
'bool', 'buffer', 'bytearray', 'bytes', 'callable', 'chr',
'classmethod', 'cmp', 'coerce', 'compile', 'complex', 'delattr',
'dict', 'dir', 'divmod', 'enumerate', 'eval', 'execfile', 'exit',
'file', 'filter', 'float', 'frozenset', 'getattr', 'globals',
'hasattr', 'hash', 'hex', 'id', 'input', 'int', 'intern', 'isinstance',
'issubclass', 'iter', 'len', 'list', 'locals', 'long', 'map', 'max',
'min', 'next', 'object', 'oct', 'open', 'ord', 'pow', 'property',
'range', 'raw_input', 'reduce', 'reload', 'repr', 'reversed',
'round', 'set', 'setattr', 'slice', 'sorted', 'staticmethod',
'str', 'sum', 'super', 'tuple', 'type', 'unichr', 'unicode', 'unsigned',
'vars', 'xrange', 'zip'), prefix=r'(?<!\.)', suffix=r'\b'),
Name.Builtin),
(r'(?<!\.)(self|None|Ellipsis|NotImplemented|False|True|NULL'
r')\b', Name.Builtin.Pseudo),
(words((
'ArithmeticError', 'AssertionError', 'AttributeError',
'BaseException', 'DeprecationWarning', 'EOFError', 'EnvironmentError',
'Exception', 'FloatingPointError', 'FutureWarning', 'GeneratorExit',
'IOError', 'ImportError', 'ImportWarning', 'IndentationError',
'IndexError', 'KeyError', 'KeyboardInterrupt', 'LookupError',
'MemoryError', 'NameError', 'NotImplemented', 'NotImplementedError',
'OSError', 'OverflowError', 'OverflowWarning',
'PendingDeprecationWarning', 'ReferenceError', 'RuntimeError',
'RuntimeWarning', 'StandardError', 'StopIteration', 'SyntaxError',
'SyntaxWarning', 'SystemError', 'SystemExit', 'TabError',
'TypeError', 'UnboundLocalError', 'UnicodeDecodeError',
'UnicodeEncodeError', 'UnicodeError', 'UnicodeTranslateError',
'UnicodeWarning', 'UserWarning', 'ValueError', 'Warning',
'ZeroDivisionError'), prefix=r'(?<!\.)', suffix=r'\b'),
Name.Exception),
],
'numbers': [
(r'(\d+\.?\d*|\d*\.\d+)([eE][+-]?[0-9]+)?', Number.Float),
(r'0\d+', Number.Oct),
(r'0[xX][a-fA-F0-9]+', Number.Hex),
(r'\d+L', Number.Integer.Long),
(r'\d+', Number.Integer)
],
'backtick': [
('`.*?`', String.Backtick),
],
'name': [
(r'@\w+', Name.Decorator),
('[a-zA-Z_]\w*', Name),
],
'funcname': [
('[a-zA-Z_]\w*', Name.Function, '#pop')
],
'cdef': [
(r'(public|readonly|extern|api|inline)\b', Keyword.Reserved),
(r'(struct|enum|union|class)\b', Keyword),
(r'([a-zA-Z_]\w*)(\s*)(?=[(:#=]|$)',
bygroups(Name.Function, Text), '#pop'),
(r'([a-zA-Z_]\w*)(\s*)(,)',
bygroups(Name.Function, Text, Punctuation)),
(r'from\b', Keyword, '#pop'),
(r'as\b', Keyword),
(r':', Punctuation, '#pop'),
(r'(?=["\'])', Text, '#pop'),
(r'[a-zA-Z_]\w*', Keyword.Type),
(r'.', Text),
],
'classname': [
('[a-zA-Z_]\w*', Name.Class, '#pop')
],
'import': [
(r'(\s+)(as)(\s+)', bygroups(Text, Keyword, Text)),
(r'[a-zA-Z_][\w.]*', Name.Namespace),
(r'(\s*)(,)(\s*)', bygroups(Text, Operator, Text)),
default('#pop') # all else: go back
],
'fromimport': [
(r'(\s+)(c?import)\b', bygroups(Text, Keyword), '#pop'),
(r'[a-zA-Z_.][\w.]*', Name.Namespace),
# ``cdef foo from "header"``, or ``for foo from 0 < i < 10``
default('#pop'),
],
'stringescape': [
(r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
],
'strings': [
(r'%(\([a-zA-Z0-9]+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
'[hlL]?[E-GXc-giorsux%]', String.Interpol),
(r'[^\\\'"%\n]+', String),
# quotes, percents and backslashes must be parsed one at a time
(r'[\'"\\]', String),
# unhandled string formatting sign
(r'%', String)
# newlines are an error (use "nl" state)
],
'nl': [
(r'\n', String)
],
'dqs': [
(r'"', String, '#pop'),
(r'\\\\|\\"|\\\n', String.Escape), # included here again for raw strings
include('strings')
],
'sqs': [
(r"'", String, '#pop'),
(r"\\\\|\\'|\\\n", String.Escape), # included here again for raw strings
include('strings')
],
'tdqs': [
(r'"""', String, '#pop'),
include('strings'),
include('nl')
],
'tsqs': [
(r"'''", String, '#pop'),
include('strings'),
include('nl')
],
}
class DgLexer(RegexLexer):
"""
Lexer for `dg <http://pyos.github.com/dg>`_,
a functional and object-oriented programming language
running on the CPython 3 VM.
.. versionadded:: 1.6
"""
name = 'dg'
aliases = ['dg']
filenames = ['*.dg']
mimetypes = ['text/x-dg']
tokens = {
'root': [
(r'\s+', Text),
(r'#.*?$', Comment.Single),
(r'(?i)0b[01]+', Number.Bin),
(r'(?i)0o[0-7]+', Number.Oct),
(r'(?i)0x[0-9a-f]+', Number.Hex),
(r'(?i)[+-]?[0-9]+\.[0-9]+(e[+-]?[0-9]+)?j?', Number.Float),
(r'(?i)[+-]?[0-9]+e[+-]?\d+j?', Number.Float),
(r'(?i)[+-]?[0-9]+j?', Number.Integer),
(r"(?i)(br|r?b?)'''", String, combined('stringescape', 'tsqs', 'string')),
(r'(?i)(br|r?b?)"""', String, combined('stringescape', 'tdqs', 'string')),
(r"(?i)(br|r?b?)'", String, combined('stringescape', 'sqs', 'string')),
(r'(?i)(br|r?b?)"', String, combined('stringescape', 'dqs', 'string')),
(r"`\w+'*`", Operator),
(r'\b(and|in|is|or|where)\b', Operator.Word),
(r'[!$%&*+\-./:<-@\\^|~;,]+', Operator),
(words((
'bool', 'bytearray', 'bytes', 'classmethod', 'complex', 'dict', 'dict\'',
'float', 'frozenset', 'int', 'list', 'list\'', 'memoryview', 'object',
'property', 'range', 'set', 'set\'', 'slice', 'staticmethod', 'str',
'super', 'tuple', 'tuple\'', 'type'),
prefix=r'(?<!\.)', suffix=r'(?![\'\w])'),
Name.Builtin),
(words((
'__import__', 'abs', 'all', 'any', 'bin', 'bind', 'chr', 'cmp', 'compile',
'complex', 'delattr', 'dir', 'divmod', 'drop', 'dropwhile', 'enumerate',
'eval', 'exhaust', 'filter', 'flip', 'foldl1?', 'format', 'fst',
'getattr', 'globals', 'hasattr', 'hash', 'head', 'hex', 'id', 'init',
'input', 'isinstance', 'issubclass', 'iter', 'iterate', 'last', 'len',
'locals', 'map', 'max', 'min', 'next', 'oct', 'open', 'ord', 'pow',
'print', 'repr', 'reversed', 'round', 'setattr', 'scanl1?', 'snd',
'sorted', 'sum', 'tail', 'take', 'takewhile', 'vars', 'zip'),
prefix=r'(?<!\.)', suffix=r'(?![\'\w])'),
Name.Builtin),
(r"(?<!\.)(self|Ellipsis|NotImplemented|None|True|False)(?!['\w])",
Name.Builtin.Pseudo),
(r"(?<!\.)[A-Z]\w*(Error|Exception|Warning)'*(?!['\w])",
Name.Exception),
(r"(?<!\.)(Exception|GeneratorExit|KeyboardInterrupt|StopIteration|"
r"SystemExit)(?!['\w])", Name.Exception),
(r"(?<![\w.])(except|finally|for|if|import|not|otherwise|raise|"
r"subclass|while|with|yield)(?!['\w])", Keyword.Reserved),
(r"[A-Z_]+'*(?!['\w])", Name),
(r"[A-Z]\w+'*(?!['\w])", Keyword.Type),
(r"\w+'*", Name),
(r'[()]', Punctuation),
(r'.', Error),
],
'stringescape': [
(r'\\([\\abfnrtv"\']|\n|N\{.*?\}|u[a-fA-F0-9]{4}|'
r'U[a-fA-F0-9]{8}|x[a-fA-F0-9]{2}|[0-7]{1,3})', String.Escape)
],
'string': [
(r'%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
'[hlL]?[E-GXc-giorsux%]', String.Interpol),
(r'[^\\\'"%\n]+', String),
# quotes, percents and backslashes must be parsed one at a time
(r'[\'"\\]', String),
# unhandled string formatting sign
(r'%', String),
(r'\n', String)
],
'dqs': [
(r'"', String, '#pop')
],
'sqs': [
(r"'", String, '#pop')
],
'tdqs': [
(r'"""', String, '#pop')
],
'tsqs': [
(r"'''", String, '#pop')
],
}
class NumPyLexer(PythonLexer):
"""
A Python lexer recognizing Numerical Python builtins.
.. versionadded:: 0.10
"""
name = 'NumPy'
aliases = ['numpy']
# override the mimetypes to not inherit them from python
mimetypes = []
filenames = []
EXTRA_KEYWORDS = set((
'abs', 'absolute', 'accumulate', 'add', 'alen', 'all', 'allclose',
'alltrue', 'alterdot', 'amax', 'amin', 'angle', 'any', 'append',
'apply_along_axis', 'apply_over_axes', 'arange', 'arccos', 'arccosh',
'arcsin', 'arcsinh', 'arctan', 'arctan2', 'arctanh', 'argmax', 'argmin',
'argsort', 'argwhere', 'around', 'array', 'array2string', 'array_equal',
'array_equiv', 'array_repr', 'array_split', 'array_str', 'arrayrange',
'asanyarray', 'asarray', 'asarray_chkfinite', 'ascontiguousarray',
'asfarray', 'asfortranarray', 'asmatrix', 'asscalar', 'astype',
'atleast_1d', 'atleast_2d', 'atleast_3d', 'average', 'bartlett',
'base_repr', 'beta', 'binary_repr', 'bincount', 'binomial',
'bitwise_and', 'bitwise_not', 'bitwise_or', 'bitwise_xor', 'blackman',
'bmat', 'broadcast', 'byte_bounds', 'bytes', 'byteswap', 'c_',
'can_cast', 'ceil', 'choose', 'clip', 'column_stack', 'common_type',
'compare_chararrays', 'compress', 'concatenate', 'conj', 'conjugate',
'convolve', 'copy', 'corrcoef', 'correlate', 'cos', 'cosh', 'cov',
'cross', 'cumprod', 'cumproduct', 'cumsum', 'delete', 'deprecate',
'diag', 'diagflat', 'diagonal', 'diff', 'digitize', 'disp', 'divide',
'dot', 'dsplit', 'dstack', 'dtype', 'dump', 'dumps', 'ediff1d', 'empty',
'empty_like', 'equal', 'exp', 'expand_dims', 'expm1', 'extract', 'eye',
'fabs', 'fastCopyAndTranspose', 'fft', 'fftfreq', 'fftshift', 'fill',
'finfo', 'fix', 'flat', 'flatnonzero', 'flatten', 'fliplr', 'flipud',
'floor', 'floor_divide', 'fmod', 'frexp', 'fromarrays', 'frombuffer',
'fromfile', 'fromfunction', 'fromiter', 'frompyfunc', 'fromstring',
'generic', 'get_array_wrap', 'get_include', 'get_numarray_include',
'get_numpy_include', 'get_printoptions', 'getbuffer', 'getbufsize',
'geterr', 'geterrcall', 'geterrobj', 'getfield', 'gradient', 'greater',
'greater_equal', 'gumbel', 'hamming', 'hanning', 'histogram',
'histogram2d', 'histogramdd', 'hsplit', 'hstack', 'hypot', 'i0',
'identity', 'ifft', 'imag', 'index_exp', 'indices', 'inf', 'info',
'inner', 'insert', 'int_asbuffer', 'interp', 'intersect1d',
'intersect1d_nu', 'inv', 'invert', 'iscomplex', 'iscomplexobj',
'isfinite', 'isfortran', 'isinf', 'isnan', 'isneginf', 'isposinf',
'isreal', 'isrealobj', 'isscalar', 'issctype', 'issubclass_',
'issubdtype', 'issubsctype', 'item', 'itemset', 'iterable', 'ix_',
'kaiser', 'kron', 'ldexp', 'left_shift', 'less', 'less_equal', 'lexsort',
'linspace', 'load', 'loads', 'loadtxt', 'log', 'log10', 'log1p', 'log2',
'logical_and', 'logical_not', 'logical_or', 'logical_xor', 'logspace',
'lstsq', 'mat', 'matrix', 'max', 'maximum', 'maximum_sctype',
'may_share_memory', 'mean', 'median', 'meshgrid', 'mgrid', 'min',
'minimum', 'mintypecode', 'mod', 'modf', 'msort', 'multiply', 'nan',
'nan_to_num', 'nanargmax', 'nanargmin', 'nanmax', 'nanmin', 'nansum',
'ndenumerate', 'ndim', 'ndindex', 'negative', 'newaxis', 'newbuffer',
'newbyteorder', 'nonzero', 'not_equal', 'obj2sctype', 'ogrid', 'ones',
'ones_like', 'outer', 'permutation', 'piecewise', 'pinv', 'pkgload',
'place', 'poisson', 'poly', 'poly1d', 'polyadd', 'polyder', 'polydiv',
'polyfit', 'polyint', 'polymul', 'polysub', 'polyval', 'power', 'prod',
'product', 'ptp', 'put', 'putmask', 'r_', 'randint', 'random_integers',
'random_sample', 'ranf', 'rank', 'ravel', 'real', 'real_if_close',
'recarray', 'reciprocal', 'reduce', 'remainder', 'repeat', 'require',
'reshape', 'resize', 'restoredot', 'right_shift', 'rint', 'roll',
'rollaxis', 'roots', 'rot90', 'round', 'round_', 'row_stack', 's_',
'sample', 'savetxt', 'sctype2char', 'searchsorted', 'seed', 'select',
'set_numeric_ops', 'set_printoptions', 'set_string_function',
'setbufsize', 'setdiff1d', 'seterr', 'seterrcall', 'seterrobj',
'setfield', 'setflags', 'setmember1d', 'setxor1d', 'shape',
'show_config', 'shuffle', 'sign', 'signbit', 'sin', 'sinc', 'sinh',
'size', 'slice', 'solve', 'sometrue', 'sort', 'sort_complex', 'source',
'split', 'sqrt', 'square', 'squeeze', 'standard_normal', 'std',
'subtract', 'sum', 'svd', 'swapaxes', 'take', 'tan', 'tanh', 'tensordot',
'test', 'tile', 'tofile', 'tolist', 'tostring', 'trace', 'transpose',
'trapz', 'tri', 'tril', 'trim_zeros', 'triu', 'true_divide', 'typeDict',
'typename', 'uniform', 'union1d', 'unique', 'unique1d', 'unravel_index',
'unwrap', 'vander', 'var', 'vdot', 'vectorize', 'view', 'vonmises',
'vsplit', 'vstack', 'weibull', 'where', 'who', 'zeros', 'zeros_like'
))
def get_tokens_unprocessed(self, text):
for index, token, value in \
PythonLexer.get_tokens_unprocessed(self, text):
if token is Name and value in self.EXTRA_KEYWORDS:
yield index, Keyword.Pseudo, value
else:
yield index, token, value
def analyse_text(text):
return (shebang_matches(text, r'pythonw?(2(\.\d)?)?') or
'import ' in text[:1000]) \
and ('import numpy' in text or 'from numpy import' in text)