shaka-packager/tools/telemetry/build/update_docs.py

149 lines
4.5 KiB
Python

# Copyright 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
import optparse
import os
import pkgutil
import pydoc
import re
import sys
import telemetry
from telemetry.core import util
telemetry_dir = util.GetTelemetryDir()
docs_dir = os.path.join(telemetry_dir, 'docs')
def RemoveAllDocs():
for dirname, _, filenames in os.walk(docs_dir):
for filename in filenames:
os.remove(os.path.join(dirname, filename))
def GenerateHTMLForModule(module):
html = pydoc.html.page(pydoc.describe(module),
pydoc.html.document(module, module.__name__))
# pydoc writes out html with links in a variety of funky ways. We need
# to fix them up.
assert not telemetry_dir.endswith(os.sep)
links = re.findall('(<a href="(.+?)">(.+?)</a>)', html)
for link_match in links:
link, href, link_text = link_match
if not href.startswith('file:'):
continue
new_href = href.replace('file:', '')
new_href = new_href.replace(telemetry_dir, os.pardir)
new_href = new_href.replace(os.sep, '/')
new_link_text = link_text.replace(telemetry_dir + os.sep, '')
new_link = '<a href="%s">%s</a>' % (new_href, new_link_text)
html = html.replace(link, new_link)
# pydoc writes out html with absolute path file links. This is not suitable
# for checked in documentation. So, fix up the HTML after it is generated.
#html = re.sub('href="file:%s' % telemetry_dir, 'href="..', html)
#html = re.sub(telemetry_dir + os.sep, '', html)
return html
def WriteHTMLForModule(module):
page = GenerateHTMLForModule(module)
path = os.path.join(docs_dir, '%s.html' % module.__name__)
with open(path, 'w') as f:
sys.stderr.write('Wrote %s\n' % os.path.relpath(path))
f.write(page)
def GetAllModulesToDocument(module):
modules = [module]
for _, modname, _ in pkgutil.walk_packages(
module.__path__, module.__name__ + '.'):
if modname.endswith('_unittest'):
logging.debug("skipping %s due to being a unittest", modname)
continue
module = __import__(modname, fromlist=[""])
name, _ = os.path.splitext(module.__file__)
if not os.path.exists(name + '.py'):
logging.info("skipping %s due to being an orphan .pyc", module.__file__)
continue
modules.append(module)
return modules
class AlreadyDocumentedModule(object):
def __init__(self, filename):
self.filename = filename
@property
def name(self):
basename = os.path.basename(self.filename)
return os.path.splitext(basename)[0]
@property
def contents(self):
with open(self.filename, 'r') as f:
return f.read()
def GetAlreadyDocumentedModules():
modules = []
for dirname, _, filenames in os.walk(docs_dir):
for filename in filenames:
path = os.path.join(dirname, filename)
modules.append(AlreadyDocumentedModule(path))
return modules
def IsUpdateDocsNeeded():
already_documented_modules = GetAlreadyDocumentedModules()
already_documented_modules_by_name = dict(
(module.name, module) for module in already_documented_modules)
current_modules = GetAllModulesToDocument(telemetry)
# Quick check: if the names of modules has changed, we definitely need
# an update.
already_documented_module_names = set(
m.name for m in already_documented_modules)
current_module_names = set([m.__name__ for m in current_modules])
if current_module_names != already_documented_module_names:
return True
# Generate the new docs and compare aganist the old. If changed, then a
# an update is needed.
for current_module in current_modules:
already_documented_module = already_documented_modules_by_name[
current_module.__name__]
current_html = GenerateHTMLForModule(current_module)
if current_html != already_documented_module.contents:
return True
return False
def Main(args):
parser = optparse.OptionParser()
parser.add_option(
'-v', '--verbose', action='count', default=0,
help='Increase verbosity level (repeat as needed)')
options, args = parser.parse_args(args)
if options.verbose >= 2:
logging.basicConfig(level=logging.DEBUG)
elif options.verbose:
logging.basicConfig(level=logging.INFO)
else:
logging.basicConfig(level=logging.WARNING)
assert os.path.isdir(docs_dir)
RemoveAllDocs()
old_cwd = os.getcwd()
try:
os.chdir(telemetry_dir)
for module in GetAllModulesToDocument(telemetry):
WriteHTMLForModule(module)
finally:
os.chdir(old_cwd)