ansible/hacking/module_formatter.py

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#!/usr/bin/env python
# (c) 2012, Jan-Piet Mens <jpmens () gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
import os
import sys
import yaml
import codecs
import json
import ast
from jinja2 import Environment, FileSystemLoader
import re
import optparse
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import time
import datetime
import subprocess
import traceback
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# modules that are ok that they do not have documentation strings
BLACKLIST_MODULES = [
'async_wrapper'
]
# Get parent directory of the directory this script lives in
MODULEDIR=os.path.abspath(os.path.join(
os.path.dirname(os.path.realpath(__file__)), os.pardir, 'library'
))
EXAMPLE_YAML=os.path.abspath(os.path.join(
os.path.dirname(os.path.realpath(__file__)), os.pardir, 'examples', 'DOCUMENTATION.yaml'
))
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# There is a better way of doing this!
# TODO: somebody add U(text, http://foo.bar/) as described by Tim in #991
_ITALIC = re.compile(r"I\(([^)]+)\)")
_BOLD = re.compile(r"B\(([^)]+)\)")
_MODULE = re.compile(r"M\(([^)]+)\)")
_URL = re.compile(r"U\(([^)]+)\)")
_CONST = re.compile(r"C\(([^)]+)\)")
def latex_ify(text):
t = _ITALIC.sub("\\I{" + r"\1" + "}", text)
t = _BOLD.sub("\\B{" + r"\1" + "}", t)
t = _MODULE.sub("\\M{" + r"\1" + "}", t)
t = _URL.sub("\\url{" + r"\1" + "}", t)
t = _CONST.sub("\\C{" + r"\1" + "}", t)
return t
def html_ify(text):
t = _ITALIC.sub("<em>" + r"\1" + "</em>", text)
t = _BOLD.sub("<b>" + r"\1" + "</b>", t)
t = _MODULE.sub("<span class='module'>" + r"\1" + "</span>", t)
t = _URL.sub("<a href='" + r"\1" + "'>" + r"\1" + "</a>", t)
#t = _CONST.sub("<code>" + r"\1" + "</code>", t)
t = _CONST.sub(r"\1", t)
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return t
def json_ify(text):
t = _ITALIC.sub("<em>" + r"\1" + "</em>", text)
t = _BOLD.sub("<b>" + r"\1" + "</b>", t)
t = _MODULE.sub("<span class='module'>" + r"\1" + "</span>", t)
t = _URL.sub("<a href='" + r"\1" + "'>" + r"\1" + "</a>", t)
t = _CONST.sub("<code>" + r"\1" + "</code>", t)
return t
def js_ify(text):
return text
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def man_ify(text):
t = _ITALIC.sub(r'\\fI' + r"\1" + r"\\fR", text)
t = _BOLD.sub(r'\\fB' + r"\1" + r"\\fR", t)
t = _MODULE.sub(r'\\fI' + r"\1" + r"\\fR", t)
t = _URL.sub(r'\\fI' + r"\1" + r"\\fR", t)
t = _CONST.sub(r'\\fC' + r"\1" + r"\\fR", t)
return t
def rst_ify(text):
t = _ITALIC.sub(r'*' + r"\1" + r"*", text)
t = _BOLD.sub(r'**' + r"\1" + r"**", t)
# mdehaan is disabling because he finds all the Sphinx orange distracting
#t = _MODULE.sub(r'``' + r"\1" + r"``", t)
t = _MODULE.sub(r"\1", t)
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t = _URL.sub(r"\1", t)
# ditto
# t = _CONST.sub(r'``' + r"\1" + r"``", t)
t = _CONST.sub(r"\1", t)
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return t
def markdown_ify(text):
t = _ITALIC.sub("_" + r"\1" + "_", text)
t = _BOLD.sub("**" + r"\1" + "**", t)
t = _MODULE.sub("*" + r"\1" + "*", t)
t = _URL.sub("[" + r"\1" + "](" + r"\1" + ")", t)
t = _CONST.sub("`" + r"\1" + "`", t)
return t
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# Helper for Jinja2 (format() doesn't work here...)
def rst_fmt(text, fmt):
return fmt % (text)
def rst_xline(width, char="="):
return char * width
def load_examples_section(text):
return text.split('***BREAK***')
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def get_docstring(filename, verbose=False):
"""
Search for assignment of the DOCUMENTATION variable in the given file.
Parse that from YAML and return the YAML doc or None.
"""
doc = None
try:
# Thank you, Habbie, for this bit of code :-)
M = ast.parse(''.join(open(filename)))
for child in M.body:
if isinstance(child, ast.Assign):
if 'DOCUMENTATION' in (t.id for t in child.targets):
doc = yaml.load(child.value.s)
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except:
traceback.print_exc()
print "unable to parse %s" % filename
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return doc
def return_data(text, options, outputname, module):
if options.output_dir is not None:
f = open(os.path.join(options.output_dir, outputname % module), 'w')
f.write(text)
f.close()
else:
print text
def boilerplate():
if not os.path.exists(EXAMPLE_YAML):
print >>sys.stderr, "Missing example boiler plate: %S" % EXAMPLE_YAML
print file(EXAMPLE_YAML).read()
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def main():
p = optparse.OptionParser(
version='%prog 1.0',
usage='usage: %prog [options] arg1 arg2',
description='Convert Ansible module DOCUMENTATION strings to other formats',
)
p.add_option("-A", "--ansible-version",
action="store",
dest="ansible_version",
default="unknown",
help="Ansible version number")
p.add_option("-M", "--module-dir",
action="store",
dest="module_dir",
default=MODULEDIR,
help="Ansible modules/ directory")
p.add_option("-T", "--template-dir",
action="store",
dest="template_dir",
default="hacking/templates",
help="directory containing Jinja2 templates")
p.add_option("-t", "--type",
action='store',
dest='type',
choices=['html', 'latex', 'man', 'rst', 'json', 'markdown'],
default='latex',
help="Output type")
p.add_option("-m", "--module",
action='append',
default=[],
dest='module_list',
help="Add modules to process in module_dir")
p.add_option("-v", "--verbose",
action='store_true',
default=False,
help="Verbose")
p.add_option("-o", "--output-dir",
action="store",
dest="output_dir",
default=None,
help="Output directory for module files")
p.add_option("-I", "--includes-file",
action="store",
dest="includes_file",
default=None,
help="Create a file containing list of processed modules")
p.add_option("-G", "--generate",
action="store_true",
dest="do_boilerplate",
default=False,
help="generate boilerplate DOCUMENTATION to stdout")
p.add_option('-V', action='version', help='Show version number and exit')
(options, args) = p.parse_args()
# print "M: %s" % options.module_dir
# print "t: %s" % options.type
# print "m: %s" % options.module_list
# print "v: %s" % options.verbose
if options.do_boilerplate:
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boilerplate()
sys.exit(0)
if not options.module_dir:
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print "Need module_dir"
sys.exit(1)
if not os.path.exists(options.module_dir):
print >>sys.stderr, "Module directory does not exist: %s" % options.module_dir
sys.exit(1)
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if not options.template_dir:
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print "Need template_dir"
sys.exit(1)
env = Environment(loader=FileSystemLoader(options.template_dir),
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variable_start_string="@{",
variable_end_string="}@",
trim_blocks=True,
)
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env.globals['xline'] = rst_xline
if options.type == 'latex':
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env.filters['jpfunc'] = latex_ify
template = env.get_template('latex.j2')
outputname = "%s.tex"
includecmt = ""
includefmt = "%s\n"
if options.type == 'html':
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env.filters['jpfunc'] = html_ify
template = env.get_template('html.j2')
outputname = "%s.html"
includecmt = ""
includefmt = ""
if options.type == 'man':
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env.filters['jpfunc'] = man_ify
template = env.get_template('man.j2')
outputname = "ansible.%s.3"
includecmt = ""
includefmt = ""
if options.type == 'rst':
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env.filters['jpfunc'] = rst_ify
env.filters['html_ify'] = html_ify
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env.filters['fmt'] = rst_fmt
env.filters['xline'] = rst_xline
template = env.get_template('rst.j2')
outputname = "%s.rst"
includecmt = ".. Generated by module_formatter\n"
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includefmt = ".. include:: modules/%s.rst\n"
if options.type == 'json':
env.filters['jpfunc'] = json_ify
outputname = "%s.json"
includecmt = ""
includefmt = ""
if options.type == 'js':
env.filters['jpfunc'] = js_ify
template = env.get_template('js.j2')
outputname = "%s.js"
if options.type == 'markdown':
env.filters['jpfunc'] = markdown_ify
env.filters['html_ify'] = html_ify
template = env.get_template('markdown.j2')
outputname = "%s.md"
includecmt = ""
includefmt = ""
if options.includes_file is not None and includefmt != "":
incfile = open(options.includes_file, "w")
incfile.write(includecmt)
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# Temporary variable required to genrate aggregated content in 'js' format.
js_data = []
for module in sorted(os.listdir(options.module_dir)):
if len(options.module_list):
if not module in options.module_list:
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continue
fname = os.path.join(options.module_dir, module)
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extra = os.path.join("inc", "%s.tex" % module)
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if fname.endswith(".swp"):
continue
print " processing module source ---> %s" % fname
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if options.type == 'js':
if fname.endswith(".json"):
f = open(fname)
j = json.load(f)
f.close()
js_data.append(j)
continue
doc = get_docstring(fname, verbose=options.verbose)
if doc is None and module not in BLACKLIST_MODULES:
sys.stderr.write("*** ERROR: CORE MODULE MISSING DOCUMENTATION: %s ***\n" % module)
#sys.exit(1)
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if not doc is None:
all_keys = []
for (k,v) in doc['options'].iteritems():
all_keys.append(k)
all_keys = sorted(all_keys)
doc['option_keys'] = all_keys
doc['filename'] = fname
doc['docuri'] = doc['module'].replace('_', '-')
doc['now_date'] = datetime.date.today().strftime('%Y-%m-%d')
doc['ansible_version'] = options.ansible_version
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if options.includes_file is not None and includefmt != "":
incfile.write(includefmt % module)
if options.verbose:
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print json.dumps(doc, indent=4)
if options.type == 'latex':
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if os.path.exists(extra):
f = open(extra)
extradata = f.read()
f.close()
doc['extradata'] = extradata
if options.type == 'json':
text = json.dumps(doc, indent=2)
else:
text = template.render(doc)
return_data(text, options, outputname, module)
if options.type == 'js':
docs = {}
docs['json'] = json.dumps(js_data, indent=2)
text = template.render(docs)
return_data(text, options, outputname, 'modules')
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if __name__ == '__main__':
main()