diff --git a/MANIFEST.in b/MANIFEST.in index 21a64691f52..4d75cf2480e 100644 --- a/MANIFEST.in +++ b/MANIFEST.in @@ -14,7 +14,7 @@ include licenses/*.txt include requirements.txt recursive-include docs * recursive-include hacking/build_library *.py -recursive-include packaging *.py +recursive-include packaging *.py *.j2 recursive-include test/integration * recursive-include test/sanity *.in *.json *.py *.txt recursive-include test/support *.py *.ps1 *.psm1 *.cs *.md diff --git a/packaging/pep517_backend/_backend.py b/packaging/pep517_backend/_backend.py index cb7e365aa7a..5086645d242 100644 --- a/packaging/pep517_backend/_backend.py +++ b/packaging/pep517_backend/_backend.py @@ -77,8 +77,7 @@ def _generate_rst_in_templates() -> t.Iterable[Path]: """Create ``*.1.rst.in`` files out of CLI Python modules.""" generate_man_cmd = ( sys.executable, - 'hacking/build-ansible.py', - 'generate-man', + Path(__file__).parent / '_generate_man.py', '--output-dir=docs/man/man1/', '--output-format=man', *Path('lib/ansible/cli/').glob('*.py'), @@ -162,7 +161,7 @@ def get_requires_for_build_sdist( manpage_build_deps = [ 'docutils', # provides `rst2man` - 'jinja2', # used in `hacking/build-ansible.py generate-man` + 'jinja2', # used to generate man pages 'pyyaml', # needed for importing in-tree `ansible-core` from `lib/` ] if build_manpages_requested else [] diff --git a/packaging/pep517_backend/_generate_man.py b/packaging/pep517_backend/_generate_man.py new file mode 100644 index 00000000000..c4cccdde258 --- /dev/null +++ b/packaging/pep517_backend/_generate_man.py @@ -0,0 +1,310 @@ +# 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() diff --git a/packaging/pep517_backend/_templates/man.j2 b/packaging/pep517_backend/_templates/man.j2 new file mode 100644 index 00000000000..9a8cb1d7931 --- /dev/null +++ b/packaging/pep517_backend/_templates/man.j2 @@ -0,0 +1,127 @@ +{{ cli_name }} +{{ '=' * ( cli_name|length|int ) }} + +{{ '-' * ( short_desc|default('')|string|length|int ) }} +{{short_desc|default('')}} +{{ '-' * ( short_desc|default('')|string|length|int ) }} + +:Version: Ansible %VERSION% +:Manual section: 1 +:Manual group: System administration commands + + + +SYNOPSIS +-------- +{{ usage|replace('%prog', cli_name) }} + + +DESCRIPTION +----------- +{{ long_desc|default('', True)|wordwrap }} + +{% if options %} +COMMON OPTIONS +-------------- +{% for option in options|sort(attribute='options') %} +{% for switch in option['options'] %}**{{switch}}**{% if option['arg'] %} '{{option['arg']}}'{% endif %}{% if not loop.last %}, {% endif %}{% endfor %} + + {{ option['desc'] }} +{% endfor %} +{% endif %} + +{% if arguments %} +ARGUMENTS +--------- + +{% for arg in arguments %} +{{ arg }} + +{{ (arguments[arg]|default(' '))|wordwrap }} + +{% endfor %} +{% endif %} + +{% if actions %} +ACTIONS +------- +{% for action in actions %} +**{{ action }}** + {{ (actions[action]['desc']|default(' ')) |replace('\n', ' ')}} + +{% if actions[action]['options'] %} +{% for option in actions[action]['options']|sort(attribute='options') %} +{% for switch in option['options'] if switch in actions[action]['option_names'] %} **{{switch}}**{% if option['arg'] %} '{{option['arg']}}'{% endif %}{% if not loop.last %}, {% endif %}{% endfor %} + + {{ (option['desc']) }} +{% endfor %} +{% endif %} +{% endfor %} +{% endif %} + + +{% if inventory %} +INVENTORY +--------- + +Ansible stores the hosts it can potentially operate on in an inventory. +This can be an YAML file, ini-like file, a script, directory, list, etc. +For additional options, see the documentation on https://docs.ansible.com/. + +{% endif %} +ENVIRONMENT +----------- + +The following environment variables may be specified. + +{% if inventory %} +ANSIBLE_INVENTORY -- Override the default ansible inventory sources + +{% endif %} +{% if library %} +ANSIBLE_LIBRARY -- Override the default ansible module library path + +{% endif %} +ANSIBLE_CONFIG -- Specify override location for the ansible config file + +Many more are available for most options in ansible.cfg + +For a full list check https://docs.ansible.com/. or use the `ansible-config` command. + +FILES +----- + +{% if inventory %} +/etc/ansible/hosts -- Default inventory file + +{% endif %} +/etc/ansible/ansible.cfg -- Config file, used if present + +~/.ansible.cfg -- User config file, overrides the default config if present + +./ansible.cfg -- Local config file (in current working directory) assumed to be 'project specific' and overrides the rest if present. + +As mentioned above, the ANSIBLE_CONFIG environment variable will override all others. + +AUTHOR +------ + +Ansible was originally written by Michael DeHaan. + + +COPYRIGHT +--------- + +Copyright © 2018 Red Hat, Inc | Ansible. +Ansible is released under the terms of the GPLv3 license. + + +SEE ALSO +-------- + +{% for other in cli_bin_name_list|sort %}{% if other != cli_name %}**{{ other }}** (1){% if not loop.last %}, {% endif %}{% endif %}{% endfor %} + +Extensive documentation is available in the documentation site: +. +IRC and mailing list info can be found in file CONTRIBUTING.md, +available in: