python-peps/docutils/writers/pep_html.py

114 lines
4.0 KiB
Python

# Author: David Goodger
# Contact: goodger@users.sourceforge.net
# Revision: $Revision$
# Date: $Date$
# Copyright: This module has been placed in the public domain.
"""
PEP HTML Writer.
"""
__docformat__ = 'reStructuredText'
import sys
import docutils
from docutils import nodes, optik, utils
from docutils.writers import html4css1
class Writer(html4css1.Writer):
settings_spec = html4css1.Writer.settings_spec + (
'PEP/HTML-Specific Options',
'The HTML --footnote-references option is set to "brackets" by '
'default.',
(('Specify a PEP stylesheet URL, used verbatim. Default is '
'--stylesheet\'s value. If given, --pep-stylesheet overrides '
'--stylesheet.',
['--pep-stylesheet'],
{'metavar': '<URL>'}),
('Specify a PEP stylesheet file, relative to the current working '
'directory. The path is adjusted relative to the output HTML '
'file. Overrides --pep-stylesheet and --stylesheet-path.',
['--pep-stylesheet-path'],
{'metavar': '<path>'}),
('Specify a template file. Default is "pep-html-template".',
['--pep-template'],
{'default': 'pep-html-template', 'metavar': '<file>'}),
('Python\'s home URL. Default is ".." (parent directory).',
['--python-home'],
{'default': '..', 'metavar': '<URL>'}),
('Home URL prefix for PEPs. Default is "." (current directory).',
['--pep-home'],
{'default': '.', 'metavar': '<URL>'}),
# Workaround for SourceForge's broken Python
# (``import random`` causes a segfault).
(optik.SUPPRESS_HELP,
['--no-random'], {'action': 'store_true'}),))
settings_default_overrides = {'footnote_references': 'brackets'}
relative_path_settings = ('pep_stylesheet_path', 'pep_template')
def __init__(self):
html4css1.Writer.__init__(self)
self.translator_class = HTMLTranslator
def translate(self):
html4css1.Writer.translate(self)
settings = self.document.settings
template = open(settings.pep_template).read()
# Substitutions dict for template:
subs = {}
subs['encoding'] = settings.output_encoding
subs['version'] = docutils.__version__
subs['stylesheet'] = ''.join(self.stylesheet)
pyhome = settings.python_home
subs['pyhome'] = pyhome
subs['pephome'] = settings.pep_home
if pyhome == '..':
subs['pepindex'] = '.'
else:
subs['pepindex'] = pyhome + '/peps/'
index = self.document.first_child_matching_class(nodes.field_list)
header = self.document[index]
pepnum = header[0][1].astext()
subs['pep'] = pepnum
if settings.no_random:
subs['banner'] = 0
else:
import random
subs['banner'] = random.randrange(64)
try:
subs['pepnum'] = '%04i' % int(pepnum)
except:
subs['pepnum'] = pepnum
subs['title'] = header[1][1].astext()
subs['body'] = ''.join(
self.body_pre_docinfo + self.docinfo + self.body)
subs['body_suffix'] = ''.join(self.body_suffix)
self.output = template % subs
class HTMLTranslator(html4css1.HTMLTranslator):
def get_stylesheet_reference(self, relative_to=None):
settings = self.settings
if relative_to == None:
relative_to = settings._destination
if settings.pep_stylesheet_path:
return utils.relative_path(relative_to,
settings.pep_stylesheet_path)
elif settings.pep_stylesheet:
return settings.pep_stylesheet
elif settings._stylesheet_path:
return utils.relative_path(relative_to, settings.stylesheet_path)
else:
return settings.stylesheet
def depart_field_list(self, node):
html4css1.HTMLTranslator.depart_field_list(self, node)
if node.get('class') == 'rfc2822':
self.body.append('<hr />\n')