mirror of https://github.com/ansible/ansible.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
311 lines
9.7 KiB
Python
311 lines
9.7 KiB
Python
# coding: utf-8
|
|
# Copyright: (c) 2019, Ansible Project
|
|
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
|
|
"""Generate cli documentation from cli docstrings."""
|
|
|
|
# Make coding more python3-ish
|
|
from __future__ import (absolute_import, division, print_function)
|
|
__metaclass__ = type
|
|
|
|
|
|
import argparse
|
|
import os.path
|
|
import pathlib
|
|
import sys
|
|
|
|
from jinja2 import Environment, FileSystemLoader
|
|
|
|
|
|
DEFAULT_TEMPLATE_FILE = pathlib.Path(__file__).parent / '_templates/man.j2'
|
|
|
|
|
|
# from https://www.python.org/dev/peps/pep-0257/
|
|
def trim_docstring(docstring):
|
|
if not docstring:
|
|
return ''
|
|
# Convert tabs to spaces (following the normal Python rules)
|
|
# and split into a list of lines:
|
|
lines = docstring.expandtabs().splitlines()
|
|
# Determine minimum indentation (first line doesn't count):
|
|
indent = sys.maxsize
|
|
for line in lines[1:]:
|
|
stripped = line.lstrip()
|
|
if stripped:
|
|
indent = min(indent, len(line) - len(stripped))
|
|
# Remove indentation (first line is special):
|
|
trimmed = [lines[0].strip()]
|
|
if indent < sys.maxsize:
|
|
for line in lines[1:]:
|
|
trimmed.append(line[indent:].rstrip())
|
|
# Strip off trailing and leading blank lines:
|
|
while trimmed and not trimmed[-1]:
|
|
trimmed.pop()
|
|
while trimmed and not trimmed[0]:
|
|
trimmed.pop(0)
|
|
# Return a single string:
|
|
return '\n'.join(trimmed)
|
|
|
|
|
|
def get_options(optlist):
|
|
''' get actual options '''
|
|
|
|
opts = []
|
|
for opt in optlist:
|
|
res = {
|
|
'desc': opt.help,
|
|
'options': opt.option_strings
|
|
}
|
|
if isinstance(opt, argparse._StoreAction):
|
|
res['arg'] = opt.dest.upper()
|
|
elif not res['options']:
|
|
continue
|
|
opts.append(res)
|
|
|
|
return opts
|
|
|
|
|
|
def dedupe_groups(parser):
|
|
action_groups = []
|
|
for action_group in parser._action_groups:
|
|
found = False
|
|
for a in action_groups:
|
|
if a._actions == action_group._actions:
|
|
found = True
|
|
break
|
|
if not found:
|
|
action_groups.append(action_group)
|
|
return action_groups
|
|
|
|
|
|
def get_option_groups(option_parser):
|
|
groups = []
|
|
for action_group in dedupe_groups(option_parser)[1:]:
|
|
group_info = {}
|
|
group_info['desc'] = action_group.description
|
|
group_info['options'] = action_group._actions
|
|
group_info['group_obj'] = action_group
|
|
groups.append(group_info)
|
|
return groups
|
|
|
|
|
|
def opt_doc_list(parser):
|
|
''' iterate over options lists '''
|
|
|
|
results = []
|
|
for option_group in dedupe_groups(parser)[1:]:
|
|
results.extend(get_options(option_group._actions))
|
|
|
|
results.extend(get_options(parser._actions))
|
|
|
|
return results
|
|
|
|
|
|
# def opts_docs(cli, name):
|
|
def opts_docs(cli_class_name, cli_module_name):
|
|
''' generate doc structure from options '''
|
|
|
|
cli_name = 'ansible-%s' % cli_module_name
|
|
if cli_module_name == 'adhoc':
|
|
cli_name = 'ansible'
|
|
|
|
# WIth no action/subcommand
|
|
# shared opts set
|
|
# instantiate each cli and ask its options
|
|
cli_klass = getattr(__import__("ansible.cli.%s" % cli_module_name,
|
|
fromlist=[cli_class_name]), cli_class_name)
|
|
cli = cli_klass([cli_name])
|
|
|
|
# parse the common options
|
|
try:
|
|
cli.init_parser()
|
|
except Exception:
|
|
pass
|
|
|
|
# base/common cli info
|
|
cli_options = opt_doc_list(cli.parser)
|
|
docs = {
|
|
'cli': cli_module_name,
|
|
'cli_name': cli_name,
|
|
'usage': cli.parser.format_usage(),
|
|
'short_desc': cli.parser.description,
|
|
'long_desc': trim_docstring(cli.__doc__),
|
|
'actions': {},
|
|
'content_depth': 2,
|
|
'options': cli_options,
|
|
'arguments': getattr(cli, 'ARGUMENTS', None),
|
|
}
|
|
option_info = {'option_names': [],
|
|
'options': cli_options,
|
|
'groups': []}
|
|
|
|
groups_info = get_option_groups(cli.parser)
|
|
shared_opt_names = []
|
|
for opt in cli_options:
|
|
shared_opt_names.extend(opt.get('options', []))
|
|
|
|
option_info['option_names'] = shared_opt_names
|
|
|
|
option_info['groups'].extend(groups_info)
|
|
|
|
docs.update(option_info)
|
|
|
|
# now for each action/subcommand
|
|
# force populate parser with per action options
|
|
|
|
def get_actions(parser, docs):
|
|
# use class attrs not the attrs on a instance (not that it matters here...)
|
|
try:
|
|
subparser = parser._subparsers._group_actions[0].choices
|
|
except AttributeError:
|
|
subparser = {}
|
|
|
|
depth = 0
|
|
|
|
for action, parser in subparser.items():
|
|
action_info = {'option_names': [],
|
|
'options': [],
|
|
'actions': {}}
|
|
# docs['actions'][action] = {}
|
|
# docs['actions'][action]['name'] = action
|
|
action_info['name'] = action
|
|
action_info['desc'] = trim_docstring(getattr(cli, 'execute_%s' % action).__doc__)
|
|
|
|
# docs['actions'][action]['desc'] = getattr(cli, 'execute_%s' % action).__doc__.strip()
|
|
action_doc_list = opt_doc_list(parser)
|
|
|
|
uncommon_options = []
|
|
for action_doc in action_doc_list:
|
|
# uncommon_options = []
|
|
|
|
option_aliases = action_doc.get('options', [])
|
|
for option_alias in option_aliases:
|
|
|
|
if option_alias in shared_opt_names:
|
|
continue
|
|
|
|
# TODO: use set
|
|
if option_alias not in action_info['option_names']:
|
|
action_info['option_names'].append(option_alias)
|
|
|
|
if action_doc in action_info['options']:
|
|
continue
|
|
|
|
uncommon_options.append(action_doc)
|
|
|
|
action_info['options'] = uncommon_options
|
|
|
|
depth = 1 + get_actions(parser, action_info)
|
|
|
|
docs['actions'][action] = action_info
|
|
|
|
return depth
|
|
|
|
action_depth = get_actions(cli.parser, docs)
|
|
docs['content_depth'] = action_depth + 1
|
|
|
|
return docs
|
|
|
|
|
|
class GenerateMan:
|
|
name = 'generate-man'
|
|
|
|
@classmethod
|
|
def init_parser(cls, parser: argparse.ArgumentParser):
|
|
parser.add_argument("-t", "--template-file", action="store", dest="template_file",
|
|
default=DEFAULT_TEMPLATE_FILE, help="path to jinja2 template")
|
|
parser.add_argument("-o", "--output-dir", action="store", dest="output_dir",
|
|
default='/tmp/', help="Output directory for rst files")
|
|
parser.add_argument("-f", "--output-format", action="store", dest="output_format",
|
|
default='man',
|
|
help="Output format for docs (the default 'man' or 'rst')")
|
|
parser.add_argument('cli_modules', help='CLI module name(s)', metavar='MODULE_NAME', nargs='*')
|
|
|
|
@staticmethod
|
|
def main(args):
|
|
template_file = args.template_file
|
|
template_path = os.path.expanduser(template_file)
|
|
template_dir = os.path.abspath(os.path.dirname(template_path))
|
|
template_basename = os.path.basename(template_file)
|
|
|
|
output_dir = os.path.abspath(args.output_dir)
|
|
output_format = args.output_format
|
|
|
|
cli_modules = args.cli_modules
|
|
|
|
# various cli parsing things checks sys.argv if the 'args' that are passed in are []
|
|
# so just remove any args so the cli modules dont try to parse them resulting in warnings
|
|
sys.argv = [sys.argv[0]]
|
|
|
|
allvars = {}
|
|
output = {}
|
|
cli_list = []
|
|
cli_bin_name_list = []
|
|
|
|
# for binary in os.listdir('../../lib/ansible/cli'):
|
|
for cli_module_name in cli_modules:
|
|
binary = os.path.basename(os.path.expanduser(cli_module_name))
|
|
|
|
if not binary.endswith('.py'):
|
|
continue
|
|
elif binary == '__init__.py':
|
|
continue
|
|
|
|
cli_name = os.path.splitext(binary)[0]
|
|
|
|
if cli_name == 'adhoc':
|
|
cli_class_name = 'AdHocCLI'
|
|
# myclass = 'AdHocCLI'
|
|
output[cli_name] = 'ansible.1.rst.in'
|
|
cli_bin_name = 'ansible'
|
|
else:
|
|
# myclass = "%sCLI" % libname.capitalize()
|
|
cli_class_name = "%sCLI" % cli_name.capitalize()
|
|
output[cli_name] = 'ansible-%s.1.rst.in' % cli_name
|
|
cli_bin_name = 'ansible-%s' % cli_name
|
|
|
|
# FIXME:
|
|
allvars[cli_name] = opts_docs(cli_class_name, cli_name)
|
|
cli_bin_name_list.append(cli_bin_name)
|
|
|
|
cli_list = allvars.keys()
|
|
|
|
doc_name_formats = {'man': '%s.1.rst.in',
|
|
'rst': '%s.rst'}
|
|
|
|
for cli_name in cli_list:
|
|
|
|
# template it!
|
|
env = Environment(loader=FileSystemLoader(template_dir))
|
|
template = env.get_template(template_basename)
|
|
|
|
# add rest to vars
|
|
tvars = allvars[cli_name]
|
|
tvars['cli_bin_name_list'] = cli_bin_name_list
|
|
tvars['cli'] = cli_name
|
|
if '-i' in tvars['option_names']:
|
|
tvars['inventory'] = True
|
|
print('uses inventory')
|
|
if '-M' in tvars['option_names']:
|
|
tvars['library'] = True
|
|
print('uses library')
|
|
|
|
manpage = template.render(tvars)
|
|
filename = os.path.join(output_dir, doc_name_formats[output_format] % tvars['cli_name'])
|
|
pathlib.Path(filename).write_text(manpage)
|
|
|
|
|
|
def main() -> None:
|
|
parser = argparse.ArgumentParser(description=__doc__)
|
|
|
|
GenerateMan.init_parser(parser)
|
|
|
|
args = parser.parse_args()
|
|
|
|
sys.path.insert(0, str(pathlib.Path(__file__).parent.parent.parent / 'lib'))
|
|
|
|
GenerateMan.main(args)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|