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from pygments.lexer import Lexer, do_insertions
from pygments.lexers.agile import PythonConsoleLexer, PythonLexer, \
PythonTracebackLexer
from pygments.token import Comment, Generic
from sphinx import highlighting
import re
line_re = re.compile('.*?\n')
class IPythonConsoleLexer(Lexer):
"""
For IPython console output or doctests, such as:
Tracebacks are not currently supported.
.. sourcecode:: ipython
In [1]: a = 'foo'
In [2]: a
Out[2]: 'foo'
In [3]: print a
foo
In [4]: 1 / 0
"""
name = 'IPython console session'
aliases = ['ipython']
mimetypes = ['text/x-ipython-console']
input_prompt = re.compile("(In \[[0-9]+\]: )|( \.\.\.+:)")
output_prompt = re.compile("(Out\[[0-9]+\]: )|( \.\.\.+:)")
continue_prompt = re.compile(" \.\.\.+:")
tb_start = re.compile("\-+")
def get_tokens_unprocessed(self, text):
pylexer = PythonLexer(**self.options)
tblexer = PythonTracebackLexer(**self.options)
curcode = ''
insertions = []
for match in line_re.finditer(text):
line = match.group()
input_prompt = self.input_prompt.match(line)
continue_prompt = self.continue_prompt.match(line.rstrip())
output_prompt = self.output_prompt.match(line)
if line.startswith("#"):
insertions.append((len(curcode),
[(0, Comment, line)]))
elif input_prompt is not None:
insertions.append((len(curcode),
[(0, Generic.Prompt, input_prompt.group())]))
curcode += line[input_prompt.end():]
elif continue_prompt is not None:
insertions.append((len(curcode),
[(0, Generic.Prompt, continue_prompt.group())]))
curcode += line[continue_prompt.end():]
elif output_prompt is not None:
insertions.append((len(curcode),
[(0, Generic.Output, output_prompt.group())]))
curcode += line[output_prompt.end():]
else:
if curcode:
for item in do_insertions(insertions,
pylexer.get_tokens_unprocessed(curcode)):
yield item
curcode = ''
insertions = []
yield match.start(), Generic.Output, line
if curcode:
for item in do_insertions(insertions,
pylexer.get_tokens_unprocessed(curcode)):
yield item
highlighting.lexers['ipython'] = IPythonConsoleLexer()
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