comparison hgext/keyword.py @ 45942:89a2afe31e82

formating: upgrade to black 20.8b1

This required a couple of small tweaks to un-confuse black, but now it
works. Big formatting changes come from:

 * Dramatically improved collection-splitting logic upstream
 * Black having a strong (correct IMO) opinion that """ is better than '''

Differential Revision: https://phab.mercurial-scm.org/D9430

45941:346af7687c6f

configtable = {}
configitem = registrar.configitem(configtable)

configitem(
    b'keywordset', b'svn', default=False,
)
# date like in cvs' $Date
@templatefilter(b'utcdate', intype=templateutil.date)
def utcdate(date):
    '''Date. Returns a UTC-date in this format: "2009/08/18 11:00:13".
    '''
    dateformat = b'%Y/%m/%d %H:%M:%S'
    return dateutil.datestr((date[0], 0), dateformat)


# date like in svn's $Date
@templatefilter(b'svnisodate', intype=templateutil.date)
def svnisodate(date):
    '''Date. Returns a date in this format: "2009-08-18 13:00:13
    +0200 (Tue, 18 Aug 2009)".
    '''
    return dateutil.datestr(date, b'%Y-%m-%d %H:%M:%S %1%2 (%a, %d %b %Y)')


# date like in svn's $Id
@templatefilter(b'svnutcdate', intype=templateutil.date)
def svnutcdate(date):
    '''Date. Returns a UTC-date in this format: "2009-08-18
    11:00:13Z".
    '''
    dateformat = b'%Y-%m-%d %H:%M:%SZ'
    return dateutil.datestr((date[0], 0), dateformat)


# make keyword tools accessible

    templates.update(kwsets[ui.configbool(b'keywordset', b'svn')])
    return templates


def _shrinktext(text, subfunc):
    '''Helper for keyword expansion removal in text.
    Depending on subfunc also returns number of substitutions.'''
    return subfunc(br'$\1$', text)


def _preselect(wstatus, changed):
    '''Retrieves modified and added files from a working directory state
    and returns the subset of each contained in given changed files
    retrieved from a change context.'''
    modified = [f for f in wstatus.modified if f in changed]
    added = [f for f in wstatus.added if f in changed]
    return modified, added


class kwtemplater(object):
    '''
    Sets up keyword templates, corresponding keyword regex, and
    provides keyword substitution functions.
    '''

    def __init__(self, ui, repo, inc, exc):
        self.ui = ui
        self._repo = weakref.ref(repo)
        self.match = match.match(repo.root, b'', [], inc, exc)

            ctx = self.linkctx(path, node)
            return self.substitute(data, path, ctx, self.rekw.sub)
        return data

    def iskwfile(self, cand, ctx):
        '''Returns subset of candidates which are configured for keyword
        expansion but are not symbolic links.'''
        return [f for f in cand if self.match(f) and b'l' not in ctx.flags(f)]

    def overwrite(self, ctx, candidates, lookup, expand, rekw=False):
        '''Overwrites selected files expanding/shrinking keywords.'''
        if self.restrict or lookup or self.postcommit:  # exclude kw_copy

            if not stringutil.binary(text):
                return _shrinktext(text, self.rekwexp.sub).splitlines(True)
        return lines

    def wread(self, fname, data):
        '''If in restricted mode returns data read from wdir with
        keyword substitutions removed.'''
        if self.restrict:
            return self.shrink(fname, data)
        return data


class kwfilelog(filelog.filelog):
    '''
    Subclass of filelog to hook into its read, add, cmp methods.
    Keywords are "stored" unexpanded, and processed on reading.
    '''

    def __init__(self, opener, kwt, path):
        super(kwfilelog, self).__init__(opener, path)
        self.kwt = kwt
        self.path = path

        text = self.kwt.shrink(self.path, text)
        return super(kwfilelog, self).cmp(node, text)


def _status(ui, repo, wctx, kwt, *pats, **opts):
    '''Bails out if [keyword] configuration is not active.
    Returns status of working directory.'''
    if kwt:
        opts = pycompat.byteskwargs(opts)
        return repo.status(
            match=scmutil.match(wctx, pats, opts),
            clean=True,

    ],
    _(b'hg kwdemo [-d] [-f RCFILE] [TEMPLATEMAP]...'),
    optionalrepo=True,
)
def demo(ui, repo, *args, **opts):
    '''print [keywordmaps] configuration and an expansion example

    Show current, custom, or default keyword template maps and their
    expansions.

    Extend the current configuration by specifying maps as arguments
    and using -f/--rcfile to source an external hgrc file.

    Use -d/--default to disable current configuration.

    See :hg:`help templates` for information on templates and filters.
    '''

    def demoitems(section, items):
        ui.write(b'[%s]\n' % section)
        for k, v in sorted(items):
            if isinstance(v, bool):

    cmdutil.walkopts,
    _(b'hg kwexpand [OPTION]... [FILE]...'),
    inferrepo=True,
)
def expand(ui, repo, *pats, **opts):
    '''expand keywords in the working directory

    Run after (re)enabling keyword expansion.

    kwexpand refuses to run if given files contain local changes.
    '''
    # 3rd argument sets expansion to True
    _kwfwrite(ui, repo, True, *pats, **opts)


@command(

    + cmdutil.walkopts,
    _(b'hg kwfiles [OPTION]... [FILE]...'),
    inferrepo=True,
)
def files(ui, repo, *pats, **opts):
    '''show files configured for keyword expansion

    List which files in the working directory are matched by the
    [keyword] configuration patterns.

    Useful to prevent inadvertent keyword expansion and to speed up

      K = keyword expansion candidate
      k = keyword expansion candidate (not tracked)
      I = ignored
      i = ignored (not tracked)
    '''
    kwt = getattr(repo, '_keywordkwt', None)
    wctx = repo[None]
    status = _status(ui, repo, wctx, kwt, *pats, **opts)
    if pats:
        cwd = repo.getcwd()

    cmdutil.walkopts,
    _(b'hg kwshrink [OPTION]... [FILE]...'),
    inferrepo=True,
)
def shrink(ui, repo, *pats, **opts):
    '''revert expanded keywords in the working directory

    Must be run before changing/disabling active keywords.

    kwshrink refuses to run if given files contain local changes.
    '''
    # 3rd argument sets expansion to False
    _kwfwrite(ui, repo, False, *pats, **opts)


# monkeypatches


def kwpatchfile_init(orig, self, ui, gp, backend, store, eolmode=None):
    '''Monkeypatch/wrap patch.patchfile.__init__ to avoid
    rejects or conflicts due to expanded keywords in working dir.'''
    orig(self, ui, gp, backend, store, eolmode)
    kwt = getattr(getattr(backend, 'repo', None), '_keywordkwt', None)
    if kwt:
        # shrink keywords read from working dir
        self.lines = kwt.shrinklines(self.fname, self.lines)

            kwt.restrict = False
        return newid


def kw_copy(orig, ui, repo, pats, opts, rename=False):
    '''Wraps cmdutil.copy so that copy/rename destinations do not
    contain expanded keywords.
    Note that the source of a regular file destination may also be a
    symlink:
    hg cp sym x                -> x is symlink
    cp sym x; hg cp -A sym x   -> x is file (maybe expanded keywords)
    For the latter we have to follow the symlink to find out whether its
    target is configured for expansion and we therefore must unexpand the
    keywords in the destination.'''
    kwt = getattr(repo, '_keywordkwt', None)
    if kwt is None:
        return orig(ui, repo, pats, opts, rename)
    with repo.wlock():
        orig(ui, repo, pats, opts, rename)

            return
        wctx = repo[None]
        cwd = repo.getcwd()

        def haskwsource(dest):
            '''Returns true if dest is a regular file and configured for
            expansion or a symlink which points to a file configured for
            expansion. '''
            source = repo.dirstate.copied(dest)
            if b'l' in wctx.flags(source):
                source = pathutil.canonpath(
                    repo.root, cwd, os.path.realpath(source)
                )

        return self._filelog.cmp(self._filenode, fctx.data())
    return True


def uisetup(ui):
    ''' Monkeypatches dispatch._parse to retrieve user command.
    Overrides file method to return kwfilelog instead of filelog
    if file matches user configuration.
    Wraps commit to overwrite configured files with updated
    keyword substitutions.
    Monkeypatches patch and webcommands.'''

    def kwdispatch_parse(orig, ui, args):
        '''Monkeypatch dispatch._parse to obtain running hg command.'''
        cmd, func, args, options, cmdoptions = orig(ui, args)
        kwtools[b'hgcmd'] = cmd

45942:89a2afe31e82

configtable = {}
configitem = registrar.configitem(configtable)

configitem(
    b'keywordset',
    b'svn',
    default=False,
)
# date like in cvs' $Date
@templatefilter(b'utcdate', intype=templateutil.date)
def utcdate(date):
    """Date. Returns a UTC-date in this format: "2009/08/18 11:00:13"."""
    dateformat = b'%Y/%m/%d %H:%M:%S'
    return dateutil.datestr((date[0], 0), dateformat)


# date like in svn's $Date
@templatefilter(b'svnisodate', intype=templateutil.date)
def svnisodate(date):
    """Date. Returns a date in this format: "2009-08-18 13:00:13
    +0200 (Tue, 18 Aug 2009)".
    """
    return dateutil.datestr(date, b'%Y-%m-%d %H:%M:%S %1%2 (%a, %d %b %Y)')


# date like in svn's $Id
@templatefilter(b'svnutcdate', intype=templateutil.date)
def svnutcdate(date):
    """Date. Returns a UTC-date in this format: "2009-08-18
    11:00:13Z".
    """
    dateformat = b'%Y-%m-%d %H:%M:%SZ'
    return dateutil.datestr((date[0], 0), dateformat)


# make keyword tools accessible

    templates.update(kwsets[ui.configbool(b'keywordset', b'svn')])
    return templates


def _shrinktext(text, subfunc):
    """Helper for keyword expansion removal in text.
    Depending on subfunc also returns number of substitutions."""
    return subfunc(br'$\1$', text)


def _preselect(wstatus, changed):
    """Retrieves modified and added files from a working directory state
    and returns the subset of each contained in given changed files
    retrieved from a change context."""
    modified = [f for f in wstatus.modified if f in changed]
    added = [f for f in wstatus.added if f in changed]
    return modified, added


class kwtemplater(object):
    """
    Sets up keyword templates, corresponding keyword regex, and
    provides keyword substitution functions.
    """

    def __init__(self, ui, repo, inc, exc):
        self.ui = ui
        self._repo = weakref.ref(repo)
        self.match = match.match(repo.root, b'', [], inc, exc)

            ctx = self.linkctx(path, node)
            return self.substitute(data, path, ctx, self.rekw.sub)
        return data

    def iskwfile(self, cand, ctx):
        """Returns subset of candidates which are configured for keyword
        expansion but are not symbolic links."""
        return [f for f in cand if self.match(f) and b'l' not in ctx.flags(f)]

    def overwrite(self, ctx, candidates, lookup, expand, rekw=False):
        '''Overwrites selected files expanding/shrinking keywords.'''
        if self.restrict or lookup or self.postcommit:  # exclude kw_copy

            if not stringutil.binary(text):
                return _shrinktext(text, self.rekwexp.sub).splitlines(True)
        return lines

    def wread(self, fname, data):
        """If in restricted mode returns data read from wdir with
        keyword substitutions removed."""
        if self.restrict:
            return self.shrink(fname, data)
        return data


class kwfilelog(filelog.filelog):
    """
    Subclass of filelog to hook into its read, add, cmp methods.
    Keywords are "stored" unexpanded, and processed on reading.
    """

    def __init__(self, opener, kwt, path):
        super(kwfilelog, self).__init__(opener, path)
        self.kwt = kwt
        self.path = path

        text = self.kwt.shrink(self.path, text)
        return super(kwfilelog, self).cmp(node, text)


def _status(ui, repo, wctx, kwt, *pats, **opts):
    """Bails out if [keyword] configuration is not active.
    Returns status of working directory."""
    if kwt:
        opts = pycompat.byteskwargs(opts)
        return repo.status(
            match=scmutil.match(wctx, pats, opts),
            clean=True,

    ],
    _(b'hg kwdemo [-d] [-f RCFILE] [TEMPLATEMAP]...'),
    optionalrepo=True,
)
def demo(ui, repo, *args, **opts):
    """print [keywordmaps] configuration and an expansion example

    Show current, custom, or default keyword template maps and their
    expansions.

    Extend the current configuration by specifying maps as arguments
    and using -f/--rcfile to source an external hgrc file.

    Use -d/--default to disable current configuration.

    See :hg:`help templates` for information on templates and filters.
    """

    def demoitems(section, items):
        ui.write(b'[%s]\n' % section)
        for k, v in sorted(items):
            if isinstance(v, bool):

    cmdutil.walkopts,
    _(b'hg kwexpand [OPTION]... [FILE]...'),
    inferrepo=True,
)
def expand(ui, repo, *pats, **opts):
    """expand keywords in the working directory

    Run after (re)enabling keyword expansion.

    kwexpand refuses to run if given files contain local changes.
    """
    # 3rd argument sets expansion to True
    _kwfwrite(ui, repo, True, *pats, **opts)


@command(

    + cmdutil.walkopts,
    _(b'hg kwfiles [OPTION]... [FILE]...'),
    inferrepo=True,
)
def files(ui, repo, *pats, **opts):
    """show files configured for keyword expansion

    List which files in the working directory are matched by the
    [keyword] configuration patterns.

    Useful to prevent inadvertent keyword expansion and to speed up

      K = keyword expansion candidate
      k = keyword expansion candidate (not tracked)
      I = ignored
      i = ignored (not tracked)
    """
    kwt = getattr(repo, '_keywordkwt', None)
    wctx = repo[None]
    status = _status(ui, repo, wctx, kwt, *pats, **opts)
    if pats:
        cwd = repo.getcwd()

    cmdutil.walkopts,
    _(b'hg kwshrink [OPTION]... [FILE]...'),
    inferrepo=True,
)
def shrink(ui, repo, *pats, **opts):
    """revert expanded keywords in the working directory

    Must be run before changing/disabling active keywords.

    kwshrink refuses to run if given files contain local changes.
    """
    # 3rd argument sets expansion to False
    _kwfwrite(ui, repo, False, *pats, **opts)


# monkeypatches


def kwpatchfile_init(orig, self, ui, gp, backend, store, eolmode=None):
    """Monkeypatch/wrap patch.patchfile.__init__ to avoid
    rejects or conflicts due to expanded keywords in working dir."""
    orig(self, ui, gp, backend, store, eolmode)
    kwt = getattr(getattr(backend, 'repo', None), '_keywordkwt', None)
    if kwt:
        # shrink keywords read from working dir
        self.lines = kwt.shrinklines(self.fname, self.lines)

            kwt.restrict = False
        return newid


def kw_copy(orig, ui, repo, pats, opts, rename=False):
    """Wraps cmdutil.copy so that copy/rename destinations do not
    contain expanded keywords.
    Note that the source of a regular file destination may also be a
    symlink:
    hg cp sym x                -> x is symlink
    cp sym x; hg cp -A sym x   -> x is file (maybe expanded keywords)
    For the latter we have to follow the symlink to find out whether its
    target is configured for expansion and we therefore must unexpand the
    keywords in the destination."""
    kwt = getattr(repo, '_keywordkwt', None)
    if kwt is None:
        return orig(ui, repo, pats, opts, rename)
    with repo.wlock():
        orig(ui, repo, pats, opts, rename)

            return
        wctx = repo[None]
        cwd = repo.getcwd()

        def haskwsource(dest):
            """Returns true if dest is a regular file and configured for
            expansion or a symlink which points to a file configured for
            expansion."""
            source = repo.dirstate.copied(dest)
            if b'l' in wctx.flags(source):
                source = pathutil.canonpath(
                    repo.root, cwd, os.path.realpath(source)
                )

        return self._filelog.cmp(self._filenode, fctx.data())
    return True


def uisetup(ui):
    """Monkeypatches dispatch._parse to retrieve user command.
    Overrides file method to return kwfilelog instead of filelog
    if file matches user configuration.
    Wraps commit to overwrite configured files with updated
    keyword substitutions.
    Monkeypatches patch and webcommands."""

    def kwdispatch_parse(orig, ui, args):
        '''Monkeypatch dispatch._parse to obtain running hg command.'''
        cmd, func, args, options, cmdoptions = orig(ui, args)
        kwtools[b'hgcmd'] = cmd