doc/check-seclevel.py
author Siddharth Agarwal <sid0@fb.com>
Wed, 13 Aug 2014 15:15:13 -0700
branchstable
changeset 22166 ac7a3b2a85e3
parent 21792 e15c991fe2ec
child 26192 67e6e55360d2
permissions -rw-r--r--
cmdutil: rename _makelogfilematcher to _makefollowlogfilematcher We're going to add a _makenofollowlogfilematcher in an upcoming patch.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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#!/usr/bin/env python
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#
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# checkseclevel - checking section title levels in each online help documents
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import sys, os
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import optparse
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# import from the live mercurial repo
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sys.path.insert(0, "..")
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# fall back to pure modules if required C extensions are not available
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sys.path.append(os.path.join('..', 'mercurial', 'pure'))
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from mercurial import demandimport; demandimport.enable()
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from mercurial.commands import table
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from mercurial.help import helptable
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from mercurial import extensions
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from mercurial import minirst
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_verbose = False
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def verbose(msg):
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    if _verbose:
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        print msg
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def error(msg):
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    sys.stderr.write('%s\n' % msg)
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level2mark = ['"', '=', '-', '.', '#']
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reservedmarks = ['"']
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mark2level = {}
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for m, l in zip(level2mark, xrange(len(level2mark))):
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    if m not in reservedmarks:
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        mark2level[m] = l
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initlevel_topic = 0
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initlevel_cmd = 1
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initlevel_ext = 1
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initlevel_ext_cmd = 3
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def showavailables(initlevel):
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    error('    available marks and order of them in this help: %s' %
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          (', '.join(['%r' % (m * 4) for m in level2mark[initlevel + 1:]])))
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def checkseclevel(doc, name, initlevel):
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    verbose('checking "%s"' % name)
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    blocks, pruned = minirst.parse(doc, 0, ['verbose'])
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    errorcnt = 0
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    curlevel = initlevel
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    for block in blocks:
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        if block['type'] != 'section':
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            continue
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        mark = block['underline']
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        title = block['lines'][0]
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        if (mark not in mark2level) or (mark2level[mark] <= initlevel):
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            error('invalid section mark %r for "%s" of %s' %
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                  (mark * 4, title, name))
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            showavailables(initlevel)
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            errorcnt += 1
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            continue
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        nextlevel = mark2level[mark]
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        if curlevel < nextlevel and curlevel + 1 != nextlevel:
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            error('gap of section level at "%s" of %s' %
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                  (title, name))
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            showavailables(initlevel)
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            errorcnt += 1
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            continue
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        verbose('appropriate section level for "%s %s"' %
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                (mark * (nextlevel * 2), title))
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        curlevel = nextlevel
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    return errorcnt
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def checkcmdtable(cmdtable, namefmt, initlevel):
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    errorcnt = 0
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    for k, entry in cmdtable.items():
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        name = k.split("|")[0].lstrip("^")
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        if not entry[0].__doc__:
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            verbose('skip checking %s: no help document' %
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                    (namefmt % name))
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            continue
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        errorcnt += checkseclevel(entry[0].__doc__,
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                                  namefmt % name,
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                                  initlevel)
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    return errorcnt
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def checkhghelps():
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    errorcnt = 0
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    for names, sec, doc in helptable:
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        if callable(doc):
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            doc = doc()
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        errorcnt += checkseclevel(doc,
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                                  '%s help topic' % names[0],
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                                  initlevel_topic)
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    errorcnt += checkcmdtable(table, '%s command', initlevel_cmd)
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    for name in sorted(extensions.enabled().keys() +
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                       extensions.disabled().keys()):
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        mod = extensions.load(None, name, None)
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        if not mod.__doc__:
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            verbose('skip checking %s extension: no help document' % name)
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            continue
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        errorcnt += checkseclevel(mod.__doc__,
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                                  '%s extension' % name,
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                                  initlevel_ext)
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        cmdtable = getattr(mod, 'cmdtable', None)
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        if cmdtable:
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            errorcnt += checkcmdtable(cmdtable,
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                                      '%s command of ' + name + ' extension',
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                                      initlevel_ext_cmd)
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    return errorcnt
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def checkfile(filename, initlevel):
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    if filename == '-':
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        filename = 'stdin'
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        doc = sys.stdin.read()
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    else:
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        fp = open(filename)
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        try:
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            doc = fp.read()
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        finally:
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            fp.close()
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    verbose('checking input from %s with initlevel %d' %
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            (filename, initlevel))
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    return checkseclevel(doc, 'input from %s' % filename, initlevel)
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if __name__ == "__main__":
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    optparser = optparse.OptionParser("""%prog [options]
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This checks all help documents of Mercurial (topics, commands,
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extensions and commands of them), if no file is specified by --file
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option.
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""")
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    optparser.add_option("-v", "--verbose",
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                         help="enable additional output",
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                         action="store_true")
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    optparser.add_option("-f", "--file",
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                         help="filename to read in (or '-' for stdin)",
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                         action="store", default="")
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    optparser.add_option("-t", "--topic",
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                         help="parse file as help topic",
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                         action="store_const", dest="initlevel", const=0)
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    optparser.add_option("-c", "--command",
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                         help="parse file as help of core command",
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                         action="store_const", dest="initlevel", const=1)
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    optparser.add_option("-e", "--extension",
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                         help="parse file as help of extension",
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                         action="store_const", dest="initlevel", const=1)
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    optparser.add_option("-C", "--extension-command",
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                         help="parse file as help of extension command",
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                         action="store_const", dest="initlevel", const=3)
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    optparser.add_option("-l", "--initlevel",
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                         help="set initial section level manually",
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                         action="store", type="int", default=0)
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    (options, args) = optparser.parse_args()
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    _verbose = options.verbose
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    if options.file:
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        if checkfile(options.file, options.initlevel):
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            sys.exit(1)
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    else:
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        if checkhghelps():
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            sys.exit(1)