mercurial/posix.py

49905:a9faacdc5943

import stat
import sys
import tempfile
import unicodedata

from .i18n import _
from .pycompat import (
    getattr,
    open,
)

except AttributeError:
    # Some platforms build Python without os.link on systems that are
    # vaguely unix-like but don't have hardlink support. For those
    # poor souls, just say we tried and that it failed so we fall back
    # to copies.
    def oslink(src, dst):
        raise OSError(
            errno.EINVAL, b'hardlinks not supported: %s to %s' % (src, dst)
        )

def openhardlinks():
    '''return true if it is safe to hold open file handles to hardlinks'''
    return True


def nlinks(name):
    '''return number of hardlinks for the given file'''
    return os.lstat(name).st_nlink


def parsepatchoutput(output_line):

    Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
    """
    return getattr(osutil, 'getfsmountpoint', lambda x: None)(dirpath)


def getfstype(dirpath):
    """Get the filesystem type name from a directory (best-effort)

    Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
    """
    return getattr(osutil, 'getfstype', lambda x: None)(dirpath)

def localpath(path):
    return path


def samefile(fpath1, fpath2):
    """Returns whether path1 and path2 refer to the same file. This is only
    guaranteed to work for files, not directories."""
    return os.path.samefile(fpath1, fpath2)


def samedevice(fpath1, fpath2):
    """Returns whether fpath1 and fpath2 are on the same device. This is only
    guaranteed to work for files, not directories."""
    st1 = os.lstat(fpath1)
    st2 = os.lstat(fpath2)
    return st1.st_dev == st2.st_dev

def shellsplit(s):
    """Parse a command string in POSIX shell way (best-effort)"""
    return pycompat.shlexsplit(s, posix=True)


def testpid(pid):
    '''return False if pid dead, True if running or not sure'''
    if pycompat.sysplatform == b'OpenVMS':
        return True
    try:
        os.kill(pid, 0)

        if executable is not None:
            return executable
    return None


def setsignalhandler():
    pass


_wantedkinds = {stat.S_IFREG, stat.S_IFLNK}

        except (FileNotFoundError, NotADirectoryError):
            st = None
        yield st


def getuser():
    '''return name of current user'''
    return pycompat.fsencode(getpass.getuser())


def username(uid=None):

    """
    name = pycompat.fsdecode(name)
    return pycompat.rapply(pycompat.fsencode, list(grp.getgrnam(name).gr_mem))


def spawndetached(args) -> int:
    return os.spawnvp(os.P_NOWAIT | getattr(os, 'P_DETACH', 0), args[0], args)


def gethgcmd():
    return sys.argv[:1]


def makedir(path, notindexed):
    os.mkdir(path)


def lookupreg(key, name=None, scope=None):
    return None


def hidewindow():
    """Hide current shell window.

    Used to hide the window opened when starting asynchronous
    child process under Windows, unneeded on other systems.
    """

49906:0a91aba258e0

import stat
import sys
import tempfile
import unicodedata

from typing import (
    List,
    NoReturn,
    Optional,
)

from .i18n import _
from .pycompat import (
    getattr,
    open,
)

except AttributeError:
    # Some platforms build Python without os.link on systems that are
    # vaguely unix-like but don't have hardlink support. For those
    # poor souls, just say we tried and that it failed so we fall back
    # to copies.
    def oslink(src: bytes, dst: bytes) -> NoReturn:
        raise OSError(
            errno.EINVAL, b'hardlinks not supported: %s to %s' % (src, dst)
        )

def openhardlinks():
    '''return true if it is safe to hold open file handles to hardlinks'''
    return True


def nlinks(name: bytes) -> int:
    '''return number of hardlinks for the given file'''
    return os.lstat(name).st_nlink


def parsepatchoutput(output_line):

    Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
    """
    return getattr(osutil, 'getfsmountpoint', lambda x: None)(dirpath)


def getfstype(dirpath: bytes) -> Optional[bytes]:
    """Get the filesystem type name from a directory (best-effort)

    Returns None if we are unsure. Raises OSError on ENOENT, EPERM, etc.
    """
    return getattr(osutil, 'getfstype', lambda x: None)(dirpath)

def localpath(path):
    return path


def samefile(fpath1: bytes, fpath2: bytes) -> bool:
    """Returns whether path1 and path2 refer to the same file. This is only
    guaranteed to work for files, not directories."""
    return os.path.samefile(fpath1, fpath2)


def samedevice(fpath1: bytes, fpath2: bytes) -> bool:
    """Returns whether fpath1 and fpath2 are on the same device. This is only
    guaranteed to work for files, not directories."""
    st1 = os.lstat(fpath1)
    st2 = os.lstat(fpath2)
    return st1.st_dev == st2.st_dev

def shellsplit(s):
    """Parse a command string in POSIX shell way (best-effort)"""
    return pycompat.shlexsplit(s, posix=True)


def testpid(pid: int) -> bool:
    '''return False if pid dead, True if running or not sure'''
    if pycompat.sysplatform == b'OpenVMS':
        return True
    try:
        os.kill(pid, 0)

        if executable is not None:
            return executable
    return None


def setsignalhandler() -> None:
    pass


_wantedkinds = {stat.S_IFREG, stat.S_IFLNK}

        except (FileNotFoundError, NotADirectoryError):
            st = None
        yield st


def getuser() -> bytes:
    '''return name of current user'''
    return pycompat.fsencode(getpass.getuser())


def username(uid=None):

    """
    name = pycompat.fsdecode(name)
    return pycompat.rapply(pycompat.fsencode, list(grp.getgrnam(name).gr_mem))


def spawndetached(args: List[bytes]) -> int:
    return os.spawnvp(os.P_NOWAIT | getattr(os, 'P_DETACH', 0), args[0], args)


def gethgcmd():
    return sys.argv[:1]


def makedir(path: bytes, notindexed: bool) -> None:
    os.mkdir(path)


def lookupreg(key, name=None, scope=None):
    return None


def hidewindow() -> None:
    """Hide current shell window.

    Used to hide the window opened when starting asynchronous
    child process under Windows, unneeded on other systems.
    """