diff options
Diffstat (limited to 'eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/mercurial/posix.py')
| -rw-r--r-- | eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/mercurial/posix.py | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/mercurial/posix.py b/eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/mercurial/posix.py deleted file mode 100644 index 39ea40a..0000000 --- a/eggs/mercurial-1.7.3-py2.6-linux-x86_64.egg/mercurial/posix.py +++ /dev/null @@ -1,297 +0,0 @@ -# posix.py - Posix utility function implementations for Mercurial -# -# Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others -# -# This software may be used and distributed according to the terms of the -# GNU General Public License version 2 or any later version. - -from i18n import _ -import osutil -import os, sys, errno, stat, getpass, pwd, grp - -posixfile = open -nulldev = '/dev/null' -normpath = os.path.normpath -samestat = os.path.samestat -rename = os.rename -expandglobs = False - -umask = os.umask(0) -os.umask(umask) - -def openhardlinks(): - '''return true if it is safe to hold open file handles to hardlinks''' - return True - -def rcfiles(path): - rcs = [os.path.join(path, 'hgrc')] - rcdir = os.path.join(path, 'hgrc.d') - try: - rcs.extend([os.path.join(rcdir, f) - for f, kind in osutil.listdir(rcdir) - if f.endswith(".rc")]) - except OSError: - pass - return rcs - -def system_rcpath(): - path = [] - # old mod_python does not set sys.argv - if len(getattr(sys, 'argv', [])) > 0: - path.extend(rcfiles(os.path.dirname(sys.argv[0]) + - '/../etc/mercurial')) - path.extend(rcfiles('/etc/mercurial')) - return path - -def user_rcpath(): - return [os.path.expanduser('~/.hgrc')] - -def parse_patch_output(output_line): - """parses the output produced by patch and returns the filename""" - pf = output_line[14:] - if os.sys.platform == 'OpenVMS': - if pf[0] == '`': - pf = pf[1:-1] # Remove the quotes - else: - if pf.startswith("'") and pf.endswith("'") and " " in pf: - pf = pf[1:-1] # Remove the quotes - return pf - -def sshargs(sshcmd, host, user, port): - '''Build argument list for ssh''' - args = user and ("%s@%s" % (user, host)) or host - return port and ("%s -p %s" % (args, port)) or args - -def is_exec(f): - """check whether a file is executable""" - return (os.lstat(f).st_mode & 0100 != 0) - -def set_flags(f, l, x): - s = os.lstat(f).st_mode - if l: - if not stat.S_ISLNK(s): - # switch file to link - data = open(f).read() - os.unlink(f) - try: - os.symlink(data, f) - except: - # failed to make a link, rewrite file - open(f, "w").write(data) - # no chmod needed at this point - return - if stat.S_ISLNK(s): - # switch link to file - data = os.readlink(f) - os.unlink(f) - open(f, "w").write(data) - s = 0666 & ~umask # avoid restatting for chmod - - sx = s & 0100 - if x and not sx: - # Turn on +x for every +r bit when making a file executable - # and obey umask. - os.chmod(f, s | (s & 0444) >> 2 & ~umask) - elif not x and sx: - # Turn off all +x bits - os.chmod(f, s & 0666) - -def set_binary(fd): - pass - -def pconvert(path): - return path - -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 - -if sys.platform == 'darwin': - import fcntl # only needed on darwin, missing on jython - def realpath(path): - ''' - Returns the true, canonical file system path equivalent to the given - path. - - Equivalent means, in this case, resulting in the same, unique - file system link to the path. Every file system entry, whether a file, - directory, hard link or symbolic link or special, will have a single - path preferred by the system, but may allow multiple, differing path - lookups to point to it. - - Most regular UNIX file systems only allow a file system entry to be - looked up by its distinct path. Obviously, this does not apply to case - insensitive file systems, whether case preserving or not. The most - complex issue to deal with is file systems transparently reencoding the - path, such as the non-standard Unicode normalisation required for HFS+ - and HFSX. - ''' - # Constants copied from /usr/include/sys/fcntl.h - F_GETPATH = 50 - O_SYMLINK = 0x200000 - - try: - fd = os.open(path, O_SYMLINK) - except OSError, err: - if err.errno == errno.ENOENT: - return path - raise - - try: - return fcntl.fcntl(fd, F_GETPATH, '\0' * 1024).rstrip('\0') - finally: - os.close(fd) -else: - # Fallback to the likely inadequate Python builtin function. - realpath = os.path.realpath - -def shellquote(s): - if os.sys.platform == 'OpenVMS': - return '"%s"' % s - else: - return "'%s'" % s.replace("'", "'\\''") - -def quotecommand(cmd): - return cmd - -def popen(command, mode='r'): - return os.popen(command, mode) - -def testpid(pid): - '''return False if pid dead, True if running or not sure''' - if os.sys.platform == 'OpenVMS': - return True - try: - os.kill(pid, 0) - return True - except OSError, inst: - return inst.errno != errno.ESRCH - -def explain_exit(code): - """return a 2-tuple (desc, code) describing a subprocess status - (codes from kill are negative - not os.system/wait encoding)""" - if code >= 0: - return _("exited with status %d") % code, code - return _("killed by signal %d") % -code, -code - -def isowner(st): - """Return True if the stat object st is from the current user.""" - return st.st_uid == os.getuid() - -def find_exe(command): - '''Find executable for command searching like which does. - If command is a basename then PATH is searched for command. - PATH isn't searched if command is an absolute or relative path. - If command isn't found None is returned.''' - if sys.platform == 'OpenVMS': - return command - - def findexisting(executable): - 'Will return executable if existing file' - if os.path.exists(executable): - return executable - return None - - if os.sep in command: - return findexisting(command) - - for path in os.environ.get('PATH', '').split(os.pathsep): - executable = findexisting(os.path.join(path, command)) - if executable is not None: - return executable - return None - -def set_signal_handler(): - pass - -def statfiles(files): - 'Stat each file in files and yield stat or None if file does not exist.' - lstat = os.lstat - for nf in files: - try: - st = lstat(nf) - except OSError, err: - if err.errno not in (errno.ENOENT, errno.ENOTDIR): - raise - st = None - yield st - -def getuser(): - '''return name of current user''' - return getpass.getuser() - -def expand_glob(pats): - '''On Windows, expand the implicit globs in a list of patterns''' - return list(pats) - -def username(uid=None): - """Return the name of the user with the given uid. - - If uid is None, return the name of the current user.""" - - if uid is None: - uid = os.getuid() - try: - return pwd.getpwuid(uid)[0] - except KeyError: - return str(uid) - -def groupname(gid=None): - """Return the name of the group with the given gid. - - If gid is None, return the name of the current group.""" - - if gid is None: - gid = os.getgid() - try: - return grp.getgrgid(gid)[0] - except KeyError: - return str(gid) - -def groupmembers(name): - """Return the list of members of the group with the given - name, KeyError if the group does not exist. - """ - return list(grp.getgrnam(name).gr_mem) - -def spawndetached(args): - return os.spawnvp(os.P_NOWAIT | getattr(os, 'P_DETACH', 0), - args[0], args) - -def gethgcmd(): - return sys.argv[:1] - -def termwidth(): - try: - import termios, array, fcntl - for dev in (sys.stderr, sys.stdout, sys.stdin): - try: - try: - fd = dev.fileno() - except AttributeError: - continue - if not os.isatty(fd): - continue - arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8) - return array.array('h', arri)[1] - except ValueError: - pass - except IOError, e: - if e[0] == errno.EINVAL: - pass - else: - raise - except ImportError: - pass - return 80 |