2941e86671
Fix the get_module_info check against the limit_to_modules list so building a subset/none of the module docs works again.
497 lines
19 KiB
Python
Executable file
497 lines
19 KiB
Python
Executable file
#!/usr/bin/env python
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# (c) 2012, Jan-Piet Mens <jpmens () gmail.com>
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# (c) 2012-2014, Michael DeHaan <michael@ansible.com> and others
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# (c) 2017 Ansible Project
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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import datetime
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import glob
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import optparse
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import os
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import re
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import sys
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import warnings
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from collections import defaultdict
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try:
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from html import escape as html_escape
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except ImportError:
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# Python-3.2 or later
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import cgi
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def html_escape(text, quote=True):
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return cgi.escape(text, quote)
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import yaml
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from jinja2 import Environment, FileSystemLoader
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from six import iteritems
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from ansible.errors import AnsibleError
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from ansible.module_utils._text import to_bytes
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from ansible.utils import plugin_docs
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#####################################################################################
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# constants and paths
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# if a module is added in a version of Ansible older than this, don't print the version added information
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# in the module documentation because everyone is assumed to be running something newer than this already.
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TO_OLD_TO_BE_NOTABLE = 1.3
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# Get parent directory of the directory this script lives in
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MODULEDIR = os.path.abspath(os.path.join(
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os.path.dirname(os.path.realpath(__file__)), os.pardir, 'lib', 'ansible', 'modules'
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))
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# The name of the DOCUMENTATION template
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EXAMPLE_YAML = os.path.abspath(os.path.join(
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os.path.dirname(os.path.realpath(__file__)), os.pardir, 'examples', 'DOCUMENTATION.yml'
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))
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_ITALIC = re.compile(r"I\(([^)]+)\)")
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_BOLD = re.compile(r"B\(([^)]+)\)")
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_MODULE = re.compile(r"M\(([^)]+)\)")
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_URL = re.compile(r"U\(([^)]+)\)")
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_CONST = re.compile(r"C\(([^)]+)\)")
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DEPRECATED = b" (D)"
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def rst_ify(text):
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''' convert symbols like I(this is in italics) to valid restructured text '''
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try:
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t = _ITALIC.sub(r'*' + r"\1" + r"*", text)
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t = _BOLD.sub(r'**' + r"\1" + r"**", t)
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t = _MODULE.sub(r':ref:`' + r"\1 <\1>" + r"`", t)
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t = _URL.sub(r"\1", t)
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t = _CONST.sub(r'``' + r"\1" + r"``", t)
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except Exception as e:
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raise AnsibleError("Could not process (%s) : %s" % (str(text), str(e)))
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return t
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def html_ify(text):
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''' convert symbols like I(this is in italics) to valid HTML '''
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t = html_escape(text)
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t = _ITALIC.sub("<em>" + r"\1" + "</em>", t)
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t = _BOLD.sub("<b>" + r"\1" + "</b>", t)
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t = _MODULE.sub("<span class='module'>" + r"\1" + "</span>", t)
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t = _URL.sub("<a href='" + r"\1" + "'>" + r"\1" + "</a>", t)
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t = _CONST.sub("<code>" + r"\1" + "</code>", t)
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return t
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def rst_fmt(text, fmt):
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''' helper for Jinja2 to do format strings '''
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return fmt % (text)
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def rst_xline(width, char="="):
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''' return a restructured text line of a given length '''
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return char * width
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def write_data(text, output_dir, outputname, module=None):
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''' dumps module output to a file or the screen, as requested '''
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if output_dir is not None:
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if module:
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outputname = outputname % module
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fname = os.path.join(output_dir, outputname)
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fname = fname.replace(".py", "")
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with open(fname, 'wb') as f:
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f.write(to_bytes(text))
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else:
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print(text)
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def get_module_info(module_dir, limit_to_modules=None, verbose=False):
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'''
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Returns information about modules and the categories that they belong to
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:arg module_dir: file system path to the top of the modules directory
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:kwarg limit_to_modules: If given, this is a list of module names to
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generate information for. All other modules will be ignored.
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:returns: Tuple of two dicts containing module_info, categories, and
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aliases and a set listing deprecated modules:
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:module_info: mapping of module names to information about them. The fields of the dict are:
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:path: filesystem path to the module
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:deprecated: boolean. True means the module is deprecated otherwise not.
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:aliases: set of aliases to this module name
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:metadata: The modules metadata (as recorded in the module)
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:doc: The documentation structure for the module
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:examples: The module's examples
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:returndocs: The module's returndocs
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:categories: maps category names to a dict. The dict contains at
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least one key, '_modules' which contains a list of module names in
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that category. Any other keys in the dict are subcategories with
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the same structure.
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'''
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categories = dict()
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module_info = defaultdict(dict)
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# * windows powershell modules have documentation stubs in python docstring
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# format (they are not executed) so skip the ps1 format files
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# * One glob level for every module level that we're going to traverse
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files = (
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glob.glob("%s/*.py" % module_dir) +
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glob.glob("%s/*/*.py" % module_dir) +
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glob.glob("%s/*/*/*.py" % module_dir) +
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glob.glob("%s/*/*/*/*.py" % module_dir)
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)
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for module_path in files:
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# Do not list __init__.py files
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if module_path.endswith('__init__.py'):
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continue
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# Do not list blacklisted modules
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module = os.path.splitext(os.path.basename(module_path))[0]
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if module in plugin_docs.BLACKLIST['MODULE']:
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continue
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# If requested, limit module documentation building only to passed-in
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# modules.
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if limit_to_modules is not None and module.lower() not in limit_to_modules:
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continue
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deprecated = False
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if module.startswith("_"):
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if os.path.islink(module_path):
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# Handle aliases
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source = os.path.splitext(os.path.basename(os.path.realpath(module_path)))[0]
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module = module.replace("_", "", 1)
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aliases = module_info[source].get('aliases', set())
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aliases.add(module)
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# In case we just created this via get()'s fallback
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module_info[source]['aliases'] = aliases
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continue
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else:
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# Handle deprecations
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module = module.replace("_", "", 1)
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deprecated = True
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#
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# Regular module to process
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#
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category = categories
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# Start at the second directory because we don't want the "vendor"
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mod_path_only = os.path.dirname(module_path[len(module_dir):])
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# build up the categories that this module belongs to
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for new_cat in mod_path_only.split('/')[1:]:
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if new_cat not in category:
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category[new_cat] = dict()
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category[new_cat]['_modules'] = []
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category = category[new_cat]
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category['_modules'].append(module)
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# use ansible core library to parse out doc metadata YAML and plaintext examples
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doc, examples, returndocs, metadata = plugin_docs.get_docstring(module_path, verbose=verbose)
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# save all the information
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module_info[module] = {'path': module_path,
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'deprecated': deprecated,
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'aliases': set(),
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'metadata': metadata,
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'doc': doc,
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'examples': examples,
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'returndocs': returndocs,
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}
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# keep module tests out of becoming module docs
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if 'test' in categories:
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del categories['test']
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return module_info, categories
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def generate_parser():
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''' generate an optparse parser '''
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p = optparse.OptionParser(
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version='%prog 1.0',
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usage='usage: %prog [options] arg1 arg2',
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description='Generate module documentation from metadata',
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)
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p.add_option("-A", "--ansible-version", action="store", dest="ansible_version", default="unknown", help="Ansible version number")
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p.add_option("-M", "--module-dir", action="store", dest="module_dir", default=MODULEDIR, help="Ansible library path")
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p.add_option("-T", "--template-dir", action="store", dest="template_dir", default="hacking/templates", help="directory containing Jinja2 templates")
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p.add_option("-t", "--type", action='store', dest='type', choices=['rst'], default='rst', help="Document type")
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p.add_option("-v", "--verbose", action='store_true', default=False, help="Verbose")
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p.add_option("-o", "--output-dir", action="store", dest="output_dir", default=None, help="Output directory for module files")
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p.add_option("-I", "--includes-file", action="store", dest="includes_file", default=None, help="Create a file containing list of processed modules")
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p.add_option("-l", "--limit-to-modules", action="store", dest="limit_to_modules", default=None,
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help="Limit building module documentation to comma-separated list of modules. Specify non-existing module name for no modules.")
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p.add_option('-V', action='version', help='Show version number and exit')
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return p
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def jinja2_environment(template_dir, typ):
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env = Environment(loader=FileSystemLoader(template_dir),
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variable_start_string="@{",
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variable_end_string="}@",
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trim_blocks=True)
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env.globals['xline'] = rst_xline
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templates = {}
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if typ == 'rst':
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env.filters['convert_symbols_to_format'] = rst_ify
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env.filters['html_ify'] = html_ify
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env.filters['fmt'] = rst_fmt
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env.filters['xline'] = rst_xline
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templates['plugin'] = env.get_template('plugin.rst.j2')
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templates['category_list'] = env.get_template('modules_by_category.rst.j2')
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templates['support_list'] = env.get_template('modules_by_support.rst.j2')
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templates['list_of_CATEGORY_modules'] = env.get_template('list_of_CATEGORY_modules.rst.j2')
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outputname = "%s_module.rst"
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else:
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raise Exception("unknown module format type: %s" % typ)
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return templates, outputname
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def too_old(added):
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if not added:
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return False
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try:
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added_tokens = str(added).split(".")
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readded = added_tokens[0] + "." + added_tokens[1]
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added_float = float(readded)
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except ValueError as e:
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warnings.warn("Could not parse %s: %s" % (added, str(e)))
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return False
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return added_float < TO_OLD_TO_BE_NOTABLE
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def process_modules(module_map, templates, outputname, output_dir, ansible_version):
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for module in module_map:
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print("rendering: %s" % module)
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fname = module_map[module]['path']
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# crash if module is missing documentation and not explicitly hidden from docs index
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if module_map[module]['doc'] is None:
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sys.exit("*** ERROR: MODULE MISSING DOCUMENTATION: %s, %s ***\n" % (fname, module))
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# Going to reference this heavily so make a short name to reference it by
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doc = module_map[module]['doc']
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if module_map[module]['deprecated'] and 'deprecated' not in doc:
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sys.exit("*** ERROR: DEPRECATED MODULE MISSING 'deprecated' DOCUMENTATION: %s, %s ***\n" % (fname, module))
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if 'version_added' not in doc:
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sys.exit("*** ERROR: missing version_added in: %s ***\n" % module)
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#
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# The present template gets everything from doc so we spend most of this
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# function moving data into doc for the template to reference
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#
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if module_map[module]['aliases']:
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doc['aliases'] = module_map[module]['aliases']
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# don't show version added information if it's too old to be called out
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added = 0
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if doc['version_added'] == 'historical':
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del doc['version_added']
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else:
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added = doc['version_added']
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# Strip old version_added for the module
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if too_old(added):
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del doc['version_added']
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option_names = []
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if 'options' in doc and doc['options']:
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for (k, v) in iteritems(doc['options']):
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# Error out if there's no description
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if 'description' not in doc['options'][k]:
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raise AnsibleError("Missing required description for option %s in %s " % (k, module))
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# Error out if required isn't a boolean (people have been putting
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# information on when something is required in here. Those need
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# to go in the description instead).
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required_value = doc['options'][k].get('required', False)
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if not isinstance(required_value, bool):
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raise AnsibleError("Invalid required value '%s' for option '%s' in '%s' (must be truthy)" % (required_value, k, module))
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# Strip old version_added information for options
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if 'version_added' in doc['options'][k] and too_old(doc['options'][k]['version_added']):
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del doc['options'][k]['version_added']
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# Make sure description is a list of lines for later formatting
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if not isinstance(doc['options'][k]['description'], list):
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doc['options'][k]['description'] = [doc['options'][k]['description']]
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option_names.append(k)
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option_names.sort()
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doc['option_keys'] = option_names
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doc['filename'] = fname
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doc['docuri'] = doc['module'].replace('_', '-')
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doc['now_date'] = datetime.date.today().strftime('%Y-%m-%d')
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doc['ansible_version'] = ansible_version
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doc['plainexamples'] = module_map[module]['examples'] # plain text
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doc['metadata'] = module_map[module]['metadata']
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if module_map[module]['returndocs']:
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try:
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doc['returndocs'] = yaml.safe_load(module_map[module]['returndocs'])
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except:
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print("could not load yaml: %s" % module_map[module]['returndocs'])
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raise
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else:
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doc['returndocs'] = None
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text = templates['plugin'].render(doc)
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write_data(text, output_dir, outputname, module)
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def process_categories(mod_info, categories, templates, output_dir, output_name):
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for category in sorted(categories.keys()):
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module_map = categories[category]
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category_filename = output_name % category
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print("*** recording category %s in %s ***" % (category, category_filename))
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# start a new category file
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category = category.replace("_", " ")
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category = category.title()
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subcategories = dict((k, v) for k, v in module_map.items() if k != '_modules')
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template_data = {'title': category,
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'category': module_map,
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'subcategories': subcategories,
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'module_info': mod_info,
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}
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text = templates['list_of_CATEGORY_modules'].render(template_data)
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write_data(text, output_dir, category_filename)
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def process_support_levels(mod_info, templates, output_dir):
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supported_by = {'Ansible Core Team': {'slug': 'core_supported',
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'modules': [],
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'output': 'core_maintained.rst'},
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'Ansible Network Team': {'slug': 'network_supported',
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'modules': [],
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'output': 'network_maintained.rst'},
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'Ansible Partners': {'slug': 'partner_supported',
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'modules': [],
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'output': 'partner_maintained.rst'},
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'Ansible Community': {'slug': 'community_supported',
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'modules': [],
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'output': 'community_maintained.rst'},
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}
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# Separate the modules by support_level
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for module, info in mod_info.items():
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if info['metadata']['supported_by'] == 'core':
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supported_by['Ansible Core Team']['modules'].append(module)
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elif info['metadata']['supported_by'] == 'network':
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supported_by['Ansible Network Team']['modules'].append(module)
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elif info['metadata']['supported_by'] == 'certified':
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supported_by['Ansible Partners']['modules'].append(module)
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elif info['metadata']['supported_by'] == 'community':
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supported_by['Ansible Community']['modules'].append(module)
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else:
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raise AnsibleError('Unknown supported_by value: %s' % info['metadata']['supported_by'])
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# Render the module lists
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for maintainers, data in supported_by.items():
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template_data = {'maintainers': maintainers,
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'modules': data['modules'],
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'slug': data['slug'],
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'module_info': mod_info,
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}
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text = templates['support_list'].render(template_data)
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write_data(text, output_dir, data['output'])
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def validate_options(options):
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''' validate option parser options '''
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if not options.module_dir:
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sys.exit("--module-dir is required", file=sys.stderr)
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if not os.path.exists(options.module_dir):
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sys.exit("--module-dir does not exist: %s" % options.module_dir, file=sys.stderr)
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if not options.template_dir:
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sys.exit("--template-dir must be specified")
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def main():
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p = generate_parser()
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(options, args) = p.parse_args()
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validate_options(options)
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templates, outputname = jinja2_environment(options.template_dir, options.type)
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# Convert passed-in limit_to_modules to None or list of modules.
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if options.limit_to_modules is not None:
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options.limit_to_modules = [s.lower() for s in options.limit_to_modules.split(",")]
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mod_info, categories = get_module_info(options.module_dir, limit_to_modules=options.limit_to_modules,
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verbose=options.verbose)
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categories['all'] = {'_modules': mod_info.keys()}
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# Transform the data
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if options.type == 'rst':
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for record in mod_info.values():
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record['doc']['short_description'] = rst_ify(record['doc']['short_description'])
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# Write master category list
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category_list_text = templates['category_list'].render(categories=sorted(categories.keys()))
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write_data(category_list_text, options.output_dir, 'modules_by_category.rst')
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# Render all the individual module pages
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process_modules(mod_info, templates, outputname, options.output_dir, options.ansible_version)
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# Render all the categories for modules
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process_categories(mod_info, categories, templates, options.output_dir, "list_of_%s_modules.rst")
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# Render all the categories for modules
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process_support_levels(mod_info, templates, options.output_dir)
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if __name__ == '__main__':
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main()
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