comparison mercurial/windows.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

    except AttributeError:
        return False


class winstdout(object):
    '''Some files on Windows misbehave.

    When writing to a broken pipe, EINVAL instead of EPIPE may be raised.

    When writing too many bytes to a console at the same, a "Not enough space"
    error may happen. Python 3 already works around that.
    '''

    def __init__(self, fp):
        self.fp = fp
        self.throttle = not pycompat.ispy3 and _isatty(fp)

def isowner(st):
    return True


def findexe(command):
    '''Find executable for command searching like cmd.exe does.
    If command is a basename then PATH is searched for command.
    PATH isn't searched if command is an absolute or relative path.
    An extension from PATHEXT is found and added if not present.
    If command isn't found None is returned.'''
    pathext = encoding.environ.get(b'PATHEXT', b'.COM;.EXE;.BAT;.CMD')
    pathexts = [ext for ext in pathext.lower().split(pycompat.ospathsep)]
    if os.path.splitext(command)[1].lower() in pathexts:
        pathexts = [b'']

_wantedkinds = {stat.S_IFREG, stat.S_IFLNK}


def statfiles(files):
    '''Stat each file in files. Yield each stat, or None if a file
    does not exist or has a type we don't care about.

    Cluster and cache stat per directory to minimize number of OS stat calls.'''
    dircache = {}  # dirname -> filename -> status | None if file does not exist
    getkind = stat.S_IFMT
    for nf in files:
        nf = normcase(nf)
        dir, base = os.path.split(nf)

    def cacheable(self):
        return False


def lookupreg(key, valname=None, scope=None):
    ''' Look up a key/value name in the Windows registry.

    valname: value name. If unspecified, the default value for the key
    is used.
    scope: optionally specify scope for registry lookup, this can be
    a sequence of scopes to look up in order. Default (CURRENT_USER,
    LOCAL_MACHINE).
    '''
    if scope is None:
        scope = (winreg.HKEY_CURRENT_USER, winreg.HKEY_LOCAL_MACHINE)
    elif not isinstance(scope, (list, tuple)):
        scope = (scope,)
    for s in scope:

45942:89a2afe31e82

    except AttributeError:
        return False


class winstdout(object):
    """Some files on Windows misbehave.

    When writing to a broken pipe, EINVAL instead of EPIPE may be raised.

    When writing too many bytes to a console at the same, a "Not enough space"
    error may happen. Python 3 already works around that.
    """

    def __init__(self, fp):
        self.fp = fp
        self.throttle = not pycompat.ispy3 and _isatty(fp)

def isowner(st):
    return True


def findexe(command):
    """Find executable for command searching like cmd.exe does.
    If command is a basename then PATH is searched for command.
    PATH isn't searched if command is an absolute or relative path.
    An extension from PATHEXT is found and added if not present.
    If command isn't found None is returned."""
    pathext = encoding.environ.get(b'PATHEXT', b'.COM;.EXE;.BAT;.CMD')
    pathexts = [ext for ext in pathext.lower().split(pycompat.ospathsep)]
    if os.path.splitext(command)[1].lower() in pathexts:
        pathexts = [b'']

_wantedkinds = {stat.S_IFREG, stat.S_IFLNK}


def statfiles(files):
    """Stat each file in files. Yield each stat, or None if a file
    does not exist or has a type we don't care about.

    Cluster and cache stat per directory to minimize number of OS stat calls."""
    dircache = {}  # dirname -> filename -> status | None if file does not exist
    getkind = stat.S_IFMT
    for nf in files:
        nf = normcase(nf)
        dir, base = os.path.split(nf)

    def cacheable(self):
        return False


def lookupreg(key, valname=None, scope=None):
    """Look up a key/value name in the Windows registry.

    valname: value name. If unspecified, the default value for the key
    is used.
    scope: optionally specify scope for registry lookup, this can be
    a sequence of scopes to look up in order. Default (CURRENT_USER,
    LOCAL_MACHINE).
    """
    if scope is None:
        scope = (winreg.HKEY_CURRENT_USER, winreg.HKEY_LOCAL_MACHINE)
    elif not isinstance(scope, (list, tuple)):
        scope = (scope,)
    for s in scope: