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"""pip sphinx extensions"""
import optparse
import sys
from textwrap import dedent
from docutils import nodes
from docutils.parsers import rst
from docutils.statemachine import ViewList
from pip._internal.cli import cmdoptions
from pip._internal.commands import commands_dict, create_command
from pip._internal.req.req_file import SUPPORTED_OPTIONS
class PipCommandUsage(rst.Directive):
required_arguments = 1
optional_arguments = 3
def run(self):
cmd = create_command(self.arguments[0])
cmd_prefix = 'python -m pip'
if len(self.arguments) > 1:
cmd_prefix = " ".join(self.arguments[1:])
cmd_prefix = cmd_prefix.strip('"')
cmd_prefix = cmd_prefix.strip("'")
usage = dedent(
cmd.usage.replace('%prog', '{} {}'.format(cmd_prefix, cmd.name))
).strip()
node = nodes.literal_block(usage, usage)
return [node]
class PipCommandDescription(rst.Directive):
required_arguments = 1
def run(self):
node = nodes.paragraph()
node.document = self.state.document
desc = ViewList()
cmd = create_command(self.arguments[0])
description = dedent(cmd.__doc__)
for line in description.split('\n'):
desc.append(line, "")
self.state.nested_parse(desc, 0, node)
return [node]
class PipOptions(rst.Directive):
def _format_option(self, option, cmd_name=None):
bookmark_line = (
".. _`{cmd_name}_{option._long_opts[0]}`:"
if cmd_name else
".. _`{option._long_opts[0]}`:"
).format(**locals())
line = ".. option:: "
if option._short_opts:
line += option._short_opts[0]
if option._short_opts and option._long_opts:
line += ", " + option._long_opts[0]
elif option._long_opts:
line += option._long_opts[0]
if option.takes_value():
metavar = option.metavar or option.dest.lower()
line += " <{}>".format(metavar.lower())
# fix defaults
opt_help = option.help.replace('%default', str(option.default))
# fix paths with sys.prefix
opt_help = opt_help.replace(sys.prefix, "<sys.prefix>")
return [bookmark_line, "", line, "", " " + opt_help, ""]
def _format_options(self, options, cmd_name=None):
for option in options:
if option.help == optparse.SUPPRESS_HELP:
continue
for line in self._format_option(option, cmd_name):
self.view_list.append(line, "")
def run(self):
node = nodes.paragraph()
node.document = self.state.document
self.view_list = ViewList()
self.process_options()
self.state.nested_parse(self.view_list, 0, node)
return [node]
class PipGeneralOptions(PipOptions):
def process_options(self):
self._format_options(
[o() for o in cmdoptions.general_group['options']]
)
class PipIndexOptions(PipOptions):
required_arguments = 1
def process_options(self):
cmd_name = self.arguments[0]
self._format_options(
[o() for o in cmdoptions.index_group['options']],
cmd_name=cmd_name,
)
class PipCommandOptions(PipOptions):
required_arguments = 1
def process_options(self):
cmd = create_command(self.arguments[0])
self._format_options(
cmd.parser.option_groups[0].option_list,
cmd_name=cmd.name,
)
class PipReqFileOptionsReference(PipOptions):
def determine_opt_prefix(self, opt_name):
for command in commands_dict:
cmd = create_command(command)
if cmd.cmd_opts.has_option(opt_name):
return command
raise KeyError('Could not identify prefix of opt {}'.format(opt_name))
def process_options(self):
for option in SUPPORTED_OPTIONS:
if getattr(option, 'deprecated', False):
continue
opt = option()
opt_name = opt._long_opts[0]
if opt._short_opts:
short_opt_name = '{}, '.format(opt._short_opts[0])
else:
short_opt_name = ''
if option in cmdoptions.general_group['options']:
prefix = ''
else:
prefix = '{}_'.format(self.determine_opt_prefix(opt_name))
self.view_list.append(
'* :ref:`{short}{long}<{prefix}{opt_name}>`'.format(
short=short_opt_name,
long=opt_name,
prefix=prefix,
opt_name=opt_name
),
"\n"
)
def setup(app):
app.add_directive('pip-command-usage', PipCommandUsage)
app.add_directive('pip-command-description', PipCommandDescription)
app.add_directive('pip-command-options', PipCommandOptions)
app.add_directive('pip-general-options', PipGeneralOptions)
app.add_directive('pip-index-options', PipIndexOptions)
app.add_directive(
'pip-requirements-file-options-ref-list', PipReqFileOptionsReference
)
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