ThirdParty/Pygments/pygments/lexers/python.py

changeset 4172
4f20dba37ab6
child 4697
c2e9bf425554
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ThirdParty/Pygments/pygments/lexers/python.py	Wed Mar 11 18:32:27 2015 +0100
@@ -0,0 +1,834 @@
+# -*- coding: utf-8 -*-
+"""
+    pygments.lexers.python
+    ~~~~~~~~~~~~~~~~~~~~~~
+
+    Lexers for Python and related languages.
+
+    :copyright: Copyright 2006-2014 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']
+
+    tokens = {
+        'root': [
+            (r'\n', Text),
+            (r'^(\s*)([rRuU]{,2}"""(?:.|\n)*?""")', bygroups(Text, String.Doc)),
+            (r"^(\s*)([rRuU]{,2}'''(?:.|\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'!=|==|<<|>>|[-~+/*%=<>&^|.]', 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('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', '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'
+             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),
+        ],
+        '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': [
+            ('[a-zA-Z_]\w*', Name.Function, '#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': [
+            (r'%(\(\w+\))?[-#0 +]*([0-9]+|[*])?(\.([0-9]+|[*]))?'
+             '[hlL]?[diouxXeEfFgGcrs%]', 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 for raw strings
+            include('strings')
+        ],
+        'sqs': [
+            (r"'", String, '#pop'),
+            (r"\\\\|\\'|\\\n", String.Escape),  # included here for raw strings
+            include('strings')
+        ],
+        'tdqs': [
+            (r'"""', String, '#pop'),
+            include('strings'),
+            include('nl')
+        ],
+        'tsqs': [
+            (r"'''", String, '#pop'),
+            include('strings'),
+            include('nl')
+        ],
+    }
+
+    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)
+
+    tokens = PythonLexer.tokens.copy()
+    tokens['keywords'] = [
+        (words((
+            'assert', 'break', 'continue', 'del', 'elif', 'else', 'except',
+            'finally', 'for', 'global', 'if', 'lambda', 'pass', 'raise',
+            'nonlocal', 'return', 'try', 'while', 'yield', 'yield from', 'as',
+            'with', 'True', 'False', 'None'), suffix=r'\b'),
+         Keyword),
+    ]
+    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)\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',
+            '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['numbers'] = [
+        (r'(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?', 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),
+        (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'),
+    ]
+    # don't highlight "%s" substitutions
+    tokens['strings'] = [
+        (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)
+    ]
+
+    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': [
+            (r'^Traceback \(most recent call last\):\n',
+             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'),
+            (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', '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',
+                '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]?[diouxXeEfFgGcrs%]', 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]?[diouxXeEfFgGcrs%]', 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)

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