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471 lines
17 KiB
Python
471 lines
17 KiB
Python
#!/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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#
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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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#
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from __future__ import print_function
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import os
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import glob
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import sys
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import yaml
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import codecs
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import json
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import ast
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import re
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import optparse
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import time
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import datetime
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import subprocess
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import cgi
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import warnings
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from jinja2 import Environment, FileSystemLoader
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from six import iteritems
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from ansible.utils import module_docs
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from ansible.utils.vars import merge_hash
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from ansible.errors import AnsibleError
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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 = " (D)"
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NOTCORE = " (E)"
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#####################################################################################
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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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#####################################################################################
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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 = cgi.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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#####################################################################################
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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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#####################################################################################
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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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#####################################################################################
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def write_data(text, options, outputname, module):
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''' dumps module output to a file or the screen, as requested '''
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if options.output_dir is not None:
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fname = os.path.join(options.output_dir, outputname % module)
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fname = fname.replace(".py","")
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f = open(fname, 'w')
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f.write(text.encode('utf-8'))
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f.close()
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else:
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print(text)
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#####################################################################################
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def list_modules(module_dir, depth=0):
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''' returns a hash of categories, each category being a hash of module names to file paths '''
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categories = dict(all=dict(),_aliases=dict())
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if depth <= 3: # limit # of subdirs
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files = glob.glob("%s/*" % module_dir)
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for d in files:
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category = os.path.splitext(os.path.basename(d))[0]
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if os.path.isdir(d):
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res = list_modules(d, depth + 1)
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for key in res.keys():
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if key in categories:
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categories[key] = merge_hash(categories[key], res[key])
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res.pop(key, None)
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if depth < 2:
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categories.update(res)
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else:
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category = module_dir.split("/")[-1]
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if not category in categories:
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categories[category] = res
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else:
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categories[category].update(res)
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else:
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module = category
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category = os.path.basename(module_dir)
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if not d.endswith(".py") or d.endswith('__init__.py'):
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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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continue
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elif module.startswith("_") and os.path.islink(d):
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source = os.path.splitext(os.path.basename(os.path.realpath(d)))[0]
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module = module.replace("_","",1)
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if not d in categories['_aliases']:
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categories['_aliases'][source] = [module]
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else:
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categories['_aliases'][source].update(module)
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continue
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if not category in categories:
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categories[category] = {}
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categories[category][module] = d
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categories['all'][module] = d
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return categories
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#####################################################################################
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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('-V', action='version', help='Show version number and exit')
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return p
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#####################################################################################
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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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)
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env.globals['xline'] = rst_xline
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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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template = env.get_template('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 env, template, outputname
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#####################################################################################
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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_module(module, options, env, template, outputname, module_map, aliases):
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fname = module_map[module]
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if isinstance(fname, dict):
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return "SKIPPED"
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basename = os.path.basename(fname)
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deprecated = False
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# ignore files with extensions
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if not basename.endswith(".py"):
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return
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elif module.startswith("_"):
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if os.path.islink(fname):
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return # ignore, its an alias
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deprecated = True
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module = module.replace("_","",1)
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print("rendering: %s" % 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 = module_docs.get_docstring(fname, verbose=options.verbose)
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# crash if module is missing documentation and not explicitly hidden from docs index
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if doc is None:
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if module in module_docs.BLACKLIST_MODULES:
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return "SKIPPED"
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else:
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sys.stderr.write("*** ERROR: MODULE MISSING DOCUMENTATION: %s, %s ***\n" % (fname, module))
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sys.exit(1)
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if deprecated and 'deprecated' not in doc:
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sys.stderr.write("*** ERROR: DEPRECATED MODULE MISSING 'deprecated' DOCUMENTATION: %s, %s ***\n" % (fname, module))
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sys.exit(1)
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if "/core/" in fname:
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doc['core'] = True
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else:
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doc['core'] = False
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if module in aliases:
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doc['aliases'] = aliases[module]
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all_keys = []
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if not 'version_added' in doc:
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sys.stderr.write("*** ERROR: missing version_added in: %s ***\n" % module)
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sys.exit(1)
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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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# don't show version added information if it's too old to be called out
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if too_old(added):
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del doc['version_added']
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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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# don't show version added information if it's too old to be called out
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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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all_keys.append(k)
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all_keys = sorted(all_keys)
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doc['option_keys'] = all_keys
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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'] = options.ansible_version
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doc['plainexamples'] = examples #plain text
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if returndocs:
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try:
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doc['returndocs'] = yaml.safe_load(returndocs)
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except:
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print("could not load yaml: %s" % returndocs)
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raise
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else:
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doc['returndocs'] = None
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# here is where we build the table of contents...
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try:
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text = template.render(doc)
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except Exception as e:
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raise AnsibleError("Failed to render doc for %s: %s" % (fname, str(e)))
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write_data(text, options, outputname, module)
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return doc['short_description']
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#####################################################################################
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def print_modules(module, category_file, deprecated, core, options, env, template, outputname, module_map, aliases):
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modstring = module
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modname = module
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if module in deprecated:
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modstring = modstring + DEPRECATED
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modname = "_" + module
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elif module not in core:
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modstring = modstring + NOTCORE
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result = process_module(modname, options, env, template, outputname, module_map, aliases)
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if result != "SKIPPED":
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category_file.write(" %s - %s <%s_module>\n" % (modstring, rst_ify(result), module))
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def process_category(category, categories, options, env, template, outputname):
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module_map = categories[category]
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aliases = {}
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if '_aliases' in categories:
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aliases = categories['_aliases']
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category_file_path = os.path.join(options.output_dir, "list_of_%s_modules.rst" % category)
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category_file = open(category_file_path, "w")
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print("*** recording category %s in %s ***" % (category, category_file_path))
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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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modules = []
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deprecated = []
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core = []
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for module in module_map.keys():
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if isinstance(module_map[module], dict):
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for mod in module_map[module].keys():
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if mod.startswith("_"):
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mod = mod.replace("_","",1)
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deprecated.append(mod)
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elif '/core/' in module_map[module][mod]:
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core.append(mod)
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else:
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if module.startswith("_"):
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module = module.replace("_","",1)
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deprecated.append(module)
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elif '/core/' in module_map[module]:
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core.append(module)
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modules.append(module)
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modules.sort()
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category_header = "%s Modules" % (category.title())
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underscores = "`" * len(category_header)
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category_file.write("""\
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%s
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%s
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.. toctree:: :maxdepth: 1
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""" % (category_header, underscores))
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sections = []
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for module in modules:
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if module in module_map and isinstance(module_map[module], dict):
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sections.append(module)
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continue
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else:
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print_modules(module, category_file, deprecated, core, options, env, template, outputname, module_map, aliases)
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sections.sort()
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for section in sections:
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category_file.write("\n%s\n%s\n\n" % (section.replace("_"," ").title(),'-' * len(section)))
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category_file.write(".. toctree:: :maxdepth: 1\n\n")
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section_modules = module_map[section].keys()
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section_modules.sort()
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#for module in module_map[section]:
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for module in section_modules:
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print_modules(module, category_file, deprecated, core, options, env, template, outputname, module_map[section], aliases)
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category_file.write("""\n\n
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.. note::
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- %s: This marks a module as deprecated, which means a module is kept for backwards compatibility but usage is discouraged. The module documentation details page may explain more about this rationale.
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- %s: This marks a module as 'extras', which means it ships with ansible but may be a newer module and possibly (but not necessarily) less actively maintained than 'core' modules.
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- Tickets filed on modules are filed to different repos than those on the main open source project. Core module tickets should be filed at `ansible/ansible-modules-core on GitHub <http://github.com/ansible/ansible-modules-core>`_, extras tickets to `ansible/ansible-modules-extras on GitHub <http://github.com/ansible/ansible-modules-extras>`_
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""" % (DEPRECATED, NOTCORE))
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category_file.close()
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# TODO: end a new category file
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#####################################################################################
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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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print("--module-dir is required", file=sys.stderr)
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sys.exit(1)
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if not os.path.exists(options.module_dir):
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print("--module-dir does not exist: %s" % options.module_dir, file=sys.stderr)
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sys.exit(1)
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if not options.template_dir:
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print("--template-dir must be specified")
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sys.exit(1)
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#####################################################################################
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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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env, template, outputname = jinja2_environment(options.template_dir, options.type)
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categories = list_modules(options.module_dir)
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last_category = None
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category_names = categories.keys()
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category_names.sort()
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category_list_path = os.path.join(options.output_dir, "modules_by_category.rst")
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category_list_file = open(category_list_path, "w")
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category_list_file.write("Module Index\n")
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category_list_file.write("============\n")
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category_list_file.write("\n\n")
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category_list_file.write(".. toctree::\n")
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category_list_file.write(" :maxdepth: 1\n\n")
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for category in category_names:
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if category.startswith("_"):
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continue
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category_list_file.write(" list_of_%s_modules\n" % category)
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process_category(category, categories, options, env, template, outputname)
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category_list_file.close()
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if __name__ == '__main__':
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main()
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