view i18n/check-translation.py @ 26829:58f1645f72c3 stable

bundle2: attribute remote failures to remote (issue4788)

Before bundle2, hook output from hook failures was prefixed with
"remote: ". Up to this point with bundle2, the output was converted to
the message to print in an Abort exception. This had 2 implications:

1) It was unclear whether an error message came from the local repo
   or the remote
2) The exit code changed from 1 to 255

This patch changes the handling of error:abort bundle2 parts during push
to prefix the error message with "remote: ". This restores the old
behavior.

We still preserve the behavior of raising an Abort during bundle2
application failure. This is a regression from pre-bundle2 because the
exit code changed.

Because we no longer raise an Abort with the remote's message, we needed
to insert a message for the new Abort. So, I invented a new error
message for that. This is another change from pre-bundle2. However, I
like the new error message because it states unambiguously who aborted
the push failed, which I think is important for users so they can decide
what's next.

#!/usr/bin/env python
#
# check-translation.py - check Mercurial specific translation problems

import polib
import re

scanners = []
checkers = []

def scanner():
    def decorator(func):
        scanners.append(func)
        return func
    return decorator

def levelchecker(level, msgidpat):
    def decorator(func):
        if msgidpat:
            match = re.compile(msgidpat).search
        else:
            match = lambda msgid: True
        checkers.append((func, level))
        func.match = match
        return func
    return decorator

def match(checker, pe):
    """Examine whether POEntry "pe" is target of specified checker or not
    """
    if not checker.match(pe.msgid):
        return
    # examine suppression by translator comment
    nochecker = 'no-%s-check' % checker.__name__
    for tc in pe.tcomment.split():
        if nochecker == tc:
            return
    return True

####################

def fatalchecker(msgidpat=None):
    return levelchecker('fatal', msgidpat)

@fatalchecker(r'\$\$')
def promptchoice(pe):
    """Check translation of the string given to "ui.promptchoice()"

    >>> pe = polib.POEntry(
    ...     msgid ='prompt$$missing &sep$$missing &amp$$followed by &none',
    ...     msgstr='prompt  missing &sep$$missing  amp$$followed by none&')
    >>> match(promptchoice, pe)
    True
    >>> for e in promptchoice(pe): print e
    number of choices differs between msgid and msgstr
    msgstr has invalid choice missing '&'
    msgstr has invalid '&' followed by none
    """
    idchoices = [c.rstrip(' ') for c in pe.msgid.split('$$')[1:]]
    strchoices = [c.rstrip(' ') for c in pe.msgstr.split('$$')[1:]]

    if len(idchoices) != len(strchoices):
        yield "number of choices differs between msgid and msgstr"

    indices = [(c, c.find('&')) for c in strchoices]
    if [c for c, i in indices if i == -1]:
        yield "msgstr has invalid choice missing '&'"
    if [c for c, i in indices if len(c) == i + 1]:
        yield "msgstr has invalid '&' followed by none"

deprecatedpe = None
@scanner()
def deprecatedsetup(pofile):
    pes = [p for p in pofile if p.msgid == 'DEPRECATED']
    if len(pes):
        global deprecatedpe
        deprecatedpe = pes[0]

@fatalchecker('(DEPRECATED)')
def deprecated(pe):
    """Check for DEPRECATED
    >>> ped = polib.POEntry(
    ...     msgid = 'DEPRECATED',
    ...     msgstr= 'DETACERPED')
    >>> deprecatedsetup([ped])
    >>> pe = polib.POEntry(
    ...     msgid = 'Something (DEPRECATED)',
    ...     msgstr= 'something (DEPRECATED)')
    >>> match(deprecated, pe)
    True
    >>> for e in deprecated(pe): print e
    >>> pe = polib.POEntry(
    ...     msgid = 'Something (DEPRECATED)',
    ...     msgstr= 'something (DETACERPED)')
    >>> match(deprecated, pe)
    True
    >>> for e in deprecated(pe): print e
    >>> pe = polib.POEntry(
    ...     msgid = 'Something (DEPRECATED)',
    ...     msgstr= 'something')
    >>> match(deprecated, pe)
    True
    >>> for e in deprecated(pe): print e
    msgstr inconsistently translated (DEPRECATED)
    """
    if not ('(DEPRECATED)' in pe.msgstr or
            (deprecatedpe and deprecatedpe.msgstr and
             deprecatedpe.msgstr in pe.msgstr)):
        yield "msgstr inconsistently translated (DEPRECATED)"

####################

def warningchecker(msgidpat=None):
    return levelchecker('warning', msgidpat)

@warningchecker()
def taildoublecolons(pe):
    """Check equality of tail '::'-ness between msgid and msgstr

    >>> pe = polib.POEntry(
    ...     msgid ='ends with ::',
    ...     msgstr='ends with ::')
    >>> for e in taildoublecolons(pe): print e
    >>> pe = polib.POEntry(
    ...     msgid ='ends with ::',
    ...     msgstr='ends without double-colons')
    >>> for e in taildoublecolons(pe): print e
    tail '::'-ness differs between msgid and msgstr
    >>> pe = polib.POEntry(
    ...     msgid ='ends without double-colons',
    ...     msgstr='ends with ::')
    >>> for e in taildoublecolons(pe): print e
    tail '::'-ness differs between msgid and msgstr
    """
    if pe.msgid.endswith('::') != pe.msgstr.endswith('::'):
        yield "tail '::'-ness differs between msgid and msgstr"

@warningchecker()
def indentation(pe):
    """Check equality of initial indentation between msgid and msgstr

    This may report unexpected warning, because this doesn't aware
    the syntax of rst document and the context of msgstr.

    >>> pe = polib.POEntry(
    ...     msgid ='    indented text',
    ...     msgstr='  narrowed indentation')
    >>> for e in indentation(pe): print e
    initial indentation width differs betweeen msgid and msgstr
    """
    idindent = len(pe.msgid) - len(pe.msgid.lstrip())
    strindent = len(pe.msgstr) - len(pe.msgstr.lstrip())
    if idindent != strindent:
        yield "initial indentation width differs betweeen msgid and msgstr"

####################

def check(pofile, fatal=True, warning=False):
    targetlevel = { 'fatal': fatal, 'warning': warning }
    targetcheckers = [(checker, level)
                      for checker, level in checkers
                      if targetlevel[level]]
    if not targetcheckers:
        return []

    detected = []
    for checker in scanners:
        checker(pofile)
    for pe in pofile.translated_entries():
        errors = []
        for checker, level in targetcheckers:
            if match(checker, pe):
                errors.extend((level, checker.__name__, error)
                              for error in checker(pe))
        if errors:
            detected.append((pe, errors))
    return detected

########################################

if __name__ == "__main__":
    import sys
    import optparse

    optparser = optparse.OptionParser("""%prog [options] pofile ...

This checks Mercurial specific translation problems in specified
'*.po' files.

Each detected problems are shown in the format below::

    filename:linenum:type(checker): problem detail .....

"type" is "fatal" or "warning". "checker" is the name of the function
detecting corresponded error.

Checking by checker "foo" on the specific msgstr can be suppressed by
the "translator comment" like below. Multiple "no-xxxx-check" should
be separated by whitespaces::

    # no-foo-check
    msgid = "....."
    msgstr = "....."
""")
    optparser.add_option("", "--warning",
                         help="show also warning level problems",
                         action="store_true")
    optparser.add_option("", "--doctest",
                         help="run doctest of this tool, instead of check",
                         action="store_true")
    (options, args) = optparser.parse_args()

    if options.doctest:
        import os
        if 'TERM' in os.environ:
            del os.environ['TERM']
        import doctest
        failures, tests = doctest.testmod()
        sys.exit(failures and 1 or 0)

    # replace polib._POFileParser to show linenum of problematic msgstr
    class ExtPOFileParser(polib._POFileParser):
        def process(self, symbol, linenum):
            super(ExtPOFileParser, self).process(symbol, linenum)
            if symbol == 'MS': # msgstr
                self.current_entry.linenum = linenum
    polib._POFileParser = ExtPOFileParser

    detected = []
    warning = options.warning
    for f in args:
        detected.extend((f, pe, errors)
                        for pe, errors in check(polib.pofile(f),
                                                warning=warning))
    if detected:
        for f, pe, errors in detected:
            for level, checker, error in errors:
                sys.stderr.write('%s:%d:%s(%s): %s\n'
                                 % (f, pe.linenum, level, checker, error))
        sys.exit(1)