650 lines
26 KiB
Python
Executable file
650 lines
26 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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from distutils.version import LooseVersion
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from pprint import PrettyPrinter
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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 jinja2
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import yaml
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from jinja2 import Environment, FileSystemLoader
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from six import iteritems, string_types
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from ansible.errors import AnsibleError
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from ansible.module_utils._text import to_bytes, to_text
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from ansible.plugins.loader import fragment_loader
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from ansible.utils import plugin_docs
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from ansible.utils.display import Display
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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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TOO_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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_LINK = re.compile(r"L\(([^)]+),([^)]+)\)")
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_CONST = re.compile(r"C\(([^)]+)\)")
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_RULER = re.compile(r"HORIZONTALLINE")
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DEPRECATED = b" (D)"
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pp = PrettyPrinter()
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display = Display()
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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"*\1*", text)
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t = _BOLD.sub(r"**\1**", t)
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t = _MODULE.sub(r":ref:`\1 <\1>`", t)
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t = _LINK.sub(r"`\1 <\2>`_", t)
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t = _URL.sub(r"\1", t)
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t = _CONST.sub(r"`\1`", t)
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t = _RULER.sub(r"------------", t)
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except Exception as e:
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raise AnsibleError("Could not process (%s) : %s" % (text, 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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if not isinstance(text, string_types):
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text = to_text(text)
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t = html_escape(text)
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t = _ITALIC.sub(r"<em>\1</em>", t)
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t = _BOLD.sub(r"<b>\1</b>", t)
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t = _MODULE.sub(r"<span class='module'>\1</span>", t)
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t = _URL.sub(r"<a href='\1'>\1</a>", t)
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t = _LINK.sub(r"<a href='\2'>\1</a>", t)
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t = _CONST.sub(r"<code>\1</code>", t)
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t = _RULER.sub(r"<hr/>", 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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if not os.path.exists(output_dir):
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os.makedirs(output_dir)
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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_plugin_info(module_dir, limit_to=None, verbose=False):
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'''
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Returns information about plugins and the categories that they belong to
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:arg module_dir: file system path to the top of the plugin directory
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:kwarg limit_to: If given, this is a list of plugin names to
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generate information for. All other plugins 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'] or module == 'base':
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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 is not None and module.lower() not in limit_to:
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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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module_categories = []
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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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module_categories.append(new_cat)
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category = category[new_cat]
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category['_modules'].append(module)
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# the category we will use in links (so list_of_all_plugins can point to plugins/action_plugins/*'
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if module_categories:
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primary_category = module_categories[0]
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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, fragment_loader, verbose=verbose)
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# save all the information
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module_info[module] = {'path': module_path,
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'source': os.path.relpath(module_path, module_dir),
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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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'categories': module_categories,
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'primary_category': primary_category,
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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("-P", "--plugin-type", action="store", dest="plugin_type", default='module', help="The type of plugin (module, lookup, etc)")
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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("-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", '--limit-to', action="store", dest="limit_to", default=None,
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help="Limit building module documentation to comma-separated list of plugins. Specify non-existing plugin name for no plugins.")
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p.add_option('-V', action='version', help='Show version number and exit')
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p.add_option('-v', '--verbose', dest='verbosity', default=0, action="count", help="verbose mode (increase number of 'v's for more)")
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return p
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def jinja2_environment(template_dir, typ, plugin_type):
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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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if plugin_type == 'module':
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name = 'modules'
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else:
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name = 'plugins'
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templates['category_list'] = env.get_template('%s_by_category.rst.j2' % name)
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templates['support_list'] = env.get_template('%s_by_support.rst.j2' % name)
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templates['list_of_CATEGORY_modules'] = env.get_template('list_of_CATEGORY_%s.rst.j2' % name)
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else:
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raise Exception("Unsupported format type: %s" % typ)
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return templates
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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 < TOO_OLD_TO_BE_NOTABLE
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def process_plugins(module_map, templates, outputname, output_dir, ansible_version, plugin_type):
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for module in module_map:
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display.display("rendering: %s" % module)
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fname = module_map[module]['path']
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display.vvvvv(pp.pformat(('process_plugins info: ', module_map[module])))
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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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display.error("%s MISSING DOCUMENTATION" % (fname,))
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_doc = {plugin_type: module,
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'version_added': '2.4',
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'filename': fname}
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module_map[module]['doc'] = _doc
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# continue
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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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display.vvvvv(pp.pformat(('process_plugins doc: ', doc)))
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# add some defaults for plugins that dont have most of the info
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doc['module'] = doc.get('module', module)
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doc['version_added'] = doc.get('version_added', 'historical')
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doc['plugin_type'] = plugin_type
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if module_map[module]['deprecated'] and 'deprecated' not in doc:
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display.warning("%s PLUGIN MISSING DEPRECATION DOCUMENTATION: %s" % (fname, 'deprecated'))
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required_fields = ('short_description',)
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for field in required_fields:
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if field not in doc:
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display.warning("%s PLUGIN MISSING field '%s'" % (fname, field))
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not_nullable_fields = ('short_description',)
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for field in not_nullable_fields:
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if field in doc and doc[field] in (None, ''):
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print("%s: WARNING: MODULE field '%s' DOCUMENTATION is null/empty value=%s" % (fname, field, doc[field]))
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if 'version_added' not in doc:
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display.error("*** 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['source'] = module_map[module]['source']
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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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# check the 'deprecated' field in doc. We expect a dict potentially with 'why', 'version', and 'alternative' fields
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# examples = module_map[module]['examples']
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# print('\n\n%s: type of examples: %s\n' % (module, type(examples)))
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# if examples and not isinstance(examples, (str, unicode, list)):
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# raise TypeError('module %s examples is wrong type (%s): %s' % (module, type(examples), examples))
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# use 'examples' for 'plainexamples' if 'examples' is a string
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if isinstance(module_map[module]['examples'], string_types):
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doc['plainexamples'] = module_map[module]['examples'] # plain text
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else:
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doc['plainexamples'] = ''
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doc['metadata'] = module_map[module]['metadata']
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display.vvvvv(pp.pformat(module_map[module]))
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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 Exception as e:
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print("%s:%s:yaml error:%s:returndocs=%s" % (fname, module, e, module_map[module]['returndocs']))
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doc['returndocs'] = None
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else:
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doc['returndocs'] = None
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doc['author'] = doc.get('author', ['UNKNOWN'])
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if isinstance(doc['author'], string_types):
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doc['author'] = [doc['author']]
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display.v('about to template %s' % module)
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display.vvvvv(pp.pformat(doc))
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text = templates['plugin'].render(doc)
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if LooseVersion(jinja2.__version__) < LooseVersion('2.10'):
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# jinja2 < 2.10's indent filter indents blank lines. Cleanup
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text = re.sub(' +\n', '\n', text)
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write_data(text, output_dir, outputname, module)
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def process_categories(plugin_info, categories, templates, output_dir, output_name, plugin_type):
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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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display.display("*** recording category %s in %s ***" % (category, category_filename))
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# start a new category file
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category_name = category.replace("_", " ")
|
|
category_title = category_name.title()
|
|
|
|
subcategories = dict((k, v) for k, v in module_map.items() if k != '_modules')
|
|
template_data = {'title': category_title,
|
|
'category_name': category_name,
|
|
'category': module_map,
|
|
'subcategories': subcategories,
|
|
'module_info': plugin_info,
|
|
'plugin_type': plugin_type
|
|
}
|
|
|
|
text = templates['list_of_CATEGORY_modules'].render(template_data)
|
|
write_data(text, output_dir, category_filename)
|
|
|
|
|
|
def process_support_levels(plugin_info, templates, output_dir, plugin_type):
|
|
supported_by = {'Ansible Core Team': {'slug': 'core_supported',
|
|
'modules': [],
|
|
'output': 'core_maintained.rst',
|
|
'blurb': "These are :doc:`modules maintained by the"
|
|
" Ansible Core Team<core_maintained>` and will always ship"
|
|
" with Ansible itself."},
|
|
'Ansible Network Team': {'slug': 'network_supported',
|
|
'modules': [],
|
|
'output': 'network_maintained.rst',
|
|
'blurb': "These are :doc:`modules maintained by the"
|
|
" Ansible Network Team<network_maintained>` in"
|
|
" a relationship similar to how the Ansible Core Team"
|
|
" maintains the Core modules."},
|
|
'Ansible Partners': {'slug': 'partner_supported',
|
|
'modules': [],
|
|
'output': 'partner_maintained.rst',
|
|
'blurb': """
|
|
Some examples of :doc:`Certified Modules<partner_maintained>` are those submitted by other
|
|
companies. Maintainers of these types of modules must watch for any issues reported or pull requests
|
|
raised against the module.
|
|
|
|
The Ansible Core Team will review all modules becoming certified. Core committers will review
|
|
proposed changes to existing Certified Modules once the community maintainers of the module have
|
|
approved the changes. Core committers will also ensure that any issues that arise due to Ansible
|
|
engine changes will be remediated. Also, it is strongly recommended (but not presently required)
|
|
for these types of modules to have unit tests.
|
|
|
|
These modules are currently shipped with Ansible, but might be shipped separately in the future.
|
|
"""},
|
|
'Ansible Community': {'slug': 'community_supported',
|
|
'modules': [],
|
|
'output': 'community_maintained.rst',
|
|
'blurb': """
|
|
These are :doc:`modules maintained by the Ansible Community<community_maintained>`. They **are
|
|
not** supported by the Ansible Core Team or by companies/partners associated to the module.
|
|
|
|
They are still fully usable, but the response rate to issues is purely up to the community. Best
|
|
effort support will be provided but is not covered under any support contracts.
|
|
|
|
These modules are currently shipped with Ansible, but will most likely be shipped separately in the future.
|
|
"""},
|
|
}
|
|
|
|
# only gen support pages for modules for now, need to split and namespace templates and generated docs
|
|
if plugin_type == 'plugins':
|
|
return
|
|
# Separate the modules by support_level
|
|
for module, info in plugin_info.items():
|
|
if not info.get('metadata', None):
|
|
display.warning('no metadata for %s' % module)
|
|
continue
|
|
if info['metadata']['supported_by'] == 'core':
|
|
supported_by['Ansible Core Team']['modules'].append(module)
|
|
elif info['metadata']['supported_by'] == 'network':
|
|
supported_by['Ansible Network Team']['modules'].append(module)
|
|
elif info['metadata']['supported_by'] == 'certified':
|
|
supported_by['Ansible Partners']['modules'].append(module)
|
|
elif info['metadata']['supported_by'] == 'community':
|
|
supported_by['Ansible Community']['modules'].append(module)
|
|
else:
|
|
raise AnsibleError('Unknown supported_by value: %s' % info['metadata']['supported_by'])
|
|
|
|
# Render the module lists
|
|
for maintainers, data in supported_by.items():
|
|
template_data = {'maintainers': maintainers,
|
|
'modules': data['modules'],
|
|
'slug': data['slug'],
|
|
'module_info': plugin_info,
|
|
}
|
|
text = templates['support_list'].render(template_data)
|
|
write_data(text, output_dir, data['output'])
|
|
|
|
|
|
def validate_options(options):
|
|
''' validate option parser options '''
|
|
|
|
if not options.module_dir:
|
|
sys.exit("--module-dir is required", file=sys.stderr)
|
|
if not os.path.exists(options.module_dir):
|
|
sys.exit("--module-dir does not exist: %s" % options.module_dir, file=sys.stderr)
|
|
if not options.template_dir:
|
|
sys.exit("--template-dir must be specified")
|
|
|
|
|
|
def main():
|
|
|
|
# INIT
|
|
p = generate_parser()
|
|
(options, args) = p.parse_args()
|
|
validate_options(options)
|
|
display.verbosity = options.verbosity
|
|
plugin_type = options.plugin_type
|
|
|
|
# prep templating
|
|
templates = jinja2_environment(options.template_dir, options.type, plugin_type)
|
|
|
|
# set file/directory structure
|
|
if plugin_type == 'module':
|
|
# trim trailing s off of plugin_type for plugin_type=='modules'. ie 'copy_module.rst'
|
|
outputname = '%s_' + '%s.rst' % plugin_type
|
|
output_dir = options.output_dir
|
|
else:
|
|
# for plugins, just use 'ssh.rst' vs 'ssh_module.rst'
|
|
outputname = '%s.rst'
|
|
output_dir = '%s/plugins/%s' % (options.output_dir, plugin_type)
|
|
|
|
display.vv('output name: %s' % outputname)
|
|
display.vv('output dir: %s' % output_dir)
|
|
|
|
# Convert passed-in limit_to to None or list of modules.
|
|
if options.limit_to is not None:
|
|
options.limit_to = [s.lower() for s in options.limit_to.split(",")]
|
|
|
|
plugin_info, categories = get_plugin_info(options.module_dir, limit_to=options.limit_to, verbose=(options.verbosity > 0))
|
|
|
|
categories['all'] = {'_modules': plugin_info.keys()}
|
|
|
|
display.vvv(pp.pformat(categories))
|
|
display.vvvvv(pp.pformat(plugin_info))
|
|
|
|
# Transform the data
|
|
if options.type == 'rst':
|
|
display.v('Generating rst')
|
|
for key, record in plugin_info.items():
|
|
display.vv(key)
|
|
display.vvvvv(pp.pformat(('record', record)))
|
|
if record.get('doc', None):
|
|
short_desc = record['doc']['short_description']
|
|
if short_desc is None:
|
|
display.warning('short_description for %s is None' % key)
|
|
short_desc = ''
|
|
record['doc']['short_description'] = rst_ify(short_desc)
|
|
|
|
if plugin_type == 'module':
|
|
display.v('Generating Categories')
|
|
# Write module master category list
|
|
category_list_text = templates['category_list'].render(categories=sorted(categories.keys()))
|
|
category_index_name = '%ss_by_category.rst' % plugin_type
|
|
write_data(category_list_text, output_dir, category_index_name)
|
|
|
|
# Render all the individual plugin pages
|
|
display.v('Generating plugin pages')
|
|
process_plugins(plugin_info, templates, outputname, output_dir, options.ansible_version, plugin_type)
|
|
|
|
# Render all the categories for modules
|
|
if plugin_type == 'module':
|
|
display.v('Generating Category lists')
|
|
category_list_name_template = 'list_of_%s_' + '%ss.rst' % plugin_type
|
|
process_categories(plugin_info, categories, templates, output_dir, category_list_name_template, plugin_type)
|
|
|
|
# Render all the categories for modules
|
|
process_support_levels(plugin_info, templates, output_dir, plugin_type)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|