Pygments is a syntax highlighting package written in Python.
It is a generic syntax highlighter for general use in all kinds of software
such as forum systems, wikis or other applications that need to prettify
source code. Highlights are:
* a wide range of common languages and markup formats is supported
* special attention is paid to details, increasing quality by a fair amount
* support for new languages and formats are added easily
* a number of output formats, presently HTML, LaTeX, RTF, SVG, all image
formats that PIL supports, and ANSI sequences
* it is usable as a command-line tool andas a library
* ... and it highlights even Brainfuck!
The `Pygments master branch`_ is installable with ``easy_install Pygments==dev``.
def lex(code, lexer): """
Lex `code` with the `lexer` (must be a `Lexer` instance) andreturn an iterable of tokens. Currently, this only calls
`lexer.get_tokens()`. """ try: return lexer.get_tokens(code) except TypeError: # Heuristic to catch a common mistake. from pygments.lexer import RegexLexer if isinstance(lexer, type) and issubclass(lexer, RegexLexer): raise TypeError('lex() argument must be a lexer instance, ' 'not a class') raise
def format(tokens, formatter, outfile=None): # pylint: disable=redefined-builtin """
Format ``tokens`` (an iterable of tokens) with the formatter ``formatter``
(a `Formatter` instance).
If ``outfile`` is given and a valid file object (an object with a
``write`` method), the result will be written to it, otherwise it is returned as a string. """ try: ifnot outfile:
realoutfile = getattr(formatter, 'encoding', None) and BytesIO() or StringIO()
formatter.format(tokens, realoutfile) return realoutfile.getvalue() else:
formatter.format(tokens, outfile) except TypeError: # Heuristic to catch a common mistake. from pygments.formatter import Formatter if isinstance(formatter, type) and issubclass(formatter, Formatter): raise TypeError('format() argument must be a formatter instance, ' 'not a class') raise
def highlight(code, lexer, formatter, outfile=None): """
This is the most high-level highlighting function. It combines `lex` and
`format` in one function. """ return format(lex(code, lexer), formatter, outfile)
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