diff options
Diffstat (limited to 'websdk/mercurial/windows.py')
| -rw-r--r--[l---------] | websdk/mercurial/windows.py | 317 |
1 files changed, 316 insertions, 1 deletions
diff --git a/websdk/mercurial/windows.py b/websdk/mercurial/windows.py index 73c48ea..a5270db 120000..100644 --- a/websdk/mercurial/windows.py +++ b/websdk/mercurial/windows.py @@ -1 +1,316 @@ -/usr/share/pyshared/mercurial/windows.py
\ No newline at end of file +# windows.py - Windows 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 errno, msvcrt, os, re, sys + +import win32 +executablepath = win32.executablepath +getuser = win32.getuser +hidewindow = win32.hidewindow +lookupreg = win32.lookupreg +makedir = win32.makedir +nlinks = win32.nlinks +oslink = win32.oslink +samedevice = win32.samedevice +samefile = win32.samefile +setsignalhandler = win32.setsignalhandler +spawndetached = win32.spawndetached +termwidth = win32.termwidth +testpid = win32.testpid +unlink = win32.unlink + +nulldev = 'NUL:' +umask = 002 + +# wrap osutil.posixfile to provide friendlier exceptions +def posixfile(name, mode='r', buffering=-1): + try: + return osutil.posixfile(name, mode, buffering) + except WindowsError, err: + raise IOError(err.errno, '%s: %s' % (name, err.strerror)) +posixfile.__doc__ = osutil.posixfile.__doc__ + +class winstdout(object): + '''stdout on windows misbehaves if sent through a pipe''' + + def __init__(self, fp): + self.fp = fp + + def __getattr__(self, key): + return getattr(self.fp, key) + + def close(self): + try: + self.fp.close() + except IOError: + pass + + def write(self, s): + try: + # This is workaround for "Not enough space" error on + # writing large size of data to console. + limit = 16000 + l = len(s) + start = 0 + self.softspace = 0 + while start < l: + end = start + limit + self.fp.write(s[start:end]) + start = end + except IOError, inst: + if inst.errno != 0: + raise + self.close() + raise IOError(errno.EPIPE, 'Broken pipe') + + def flush(self): + try: + return self.fp.flush() + except IOError, inst: + if inst.errno != errno.EINVAL: + raise + self.close() + raise IOError(errno.EPIPE, 'Broken pipe') + +sys.__stdout__ = sys.stdout = winstdout(sys.stdout) + +def _is_win_9x(): + '''return true if run on windows 95, 98 or me.''' + try: + return sys.getwindowsversion()[3] == 1 + except AttributeError: + return 'command' in os.environ.get('comspec', '') + +def openhardlinks(): + return not _is_win_9x() + +def parsepatchoutput(output_line): + """parses the output produced by patch and returns the filename""" + pf = output_line[14:] + if pf[0] == '`': + pf = pf[1:-1] # Remove the quotes + return pf + +def sshargs(sshcmd, host, user, port): + '''Build argument list for ssh or Plink''' + pflag = 'plink' in sshcmd.lower() and '-P' or '-p' + args = user and ("%s@%s" % (user, host)) or host + return port and ("%s %s %s" % (args, pflag, port)) or args + +def setflags(f, l, x): + pass + +def copymode(src, dst, mode=None): + pass + +def checkexec(path): + return False + +def checklink(path): + return False + +def setbinary(fd): + # When run without console, pipes may expose invalid + # fileno(), usually set to -1. + fno = getattr(fd, 'fileno', None) + if fno is not None and fno() >= 0: + msvcrt.setmode(fno(), os.O_BINARY) + +def pconvert(path): + return '/'.join(path.split(os.sep)) + +def localpath(path): + return path.replace('/', '\\') + +def normpath(path): + return pconvert(os.path.normpath(path)) + +normcase = os.path.normcase + +def realpath(path): + ''' + Returns the true, canonical file system path equivalent to the given + path. + ''' + # TODO: There may be a more clever way to do this that also handles other, + # less common file systems. + return os.path.normpath(os.path.normcase(os.path.realpath(path))) + +def samestat(s1, s2): + return False + +# A sequence of backslashes is special iff it precedes a double quote: +# - if there's an even number of backslashes, the double quote is not +# quoted (i.e. it ends the quoted region) +# - if there's an odd number of backslashes, the double quote is quoted +# - in both cases, every pair of backslashes is unquoted into a single +# backslash +# (See http://msdn2.microsoft.com/en-us/library/a1y7w461.aspx ) +# So, to quote a string, we must surround it in double quotes, double +# the number of backslashes that preceed double quotes and add another +# backslash before every double quote (being careful with the double +# quote we've appended to the end) +_quotere = None +def shellquote(s): + global _quotere + if _quotere is None: + _quotere = re.compile(r'(\\*)("|\\$)') + return '"%s"' % _quotere.sub(r'\1\1\\\2', s) + +def quotecommand(cmd): + """Build a command string suitable for os.popen* calls.""" + if sys.version_info < (2, 7, 1): + # Python versions since 2.7.1 do this extra quoting themselves + return '"' + cmd + '"' + return cmd + +def popen(command, mode='r'): + # Work around "popen spawned process may not write to stdout + # under windows" + # http://bugs.python.org/issue1366 + command += " 2> %s" % nulldev + return os.popen(quotecommand(command), mode) + +def explainexit(code): + return _("exited with status %d") % code, code + +# if you change this stub into a real check, please try to implement the +# username and groupname functions above, too. +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 = os.environ.get('PATHEXT', '.COM;.EXE;.BAT;.CMD') + pathexts = [ext for ext in pathext.lower().split(os.pathsep)] + if os.path.splitext(command)[1].lower() in pathexts: + pathexts = [''] + + def findexisting(pathcommand): + 'Will append extension (if needed) and return existing file' + for ext in pathexts: + executable = pathcommand + ext + 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 findexisting(os.path.expanduser(os.path.expandvars(command))) + +def statfiles(files): + '''Stat each file in files and yield stat or None if file does not exist. + Cluster and cache stat per directory to minimize number of OS stat calls.''' + ncase = os.path.normcase + dircache = {} # dirname -> filename -> status | None if file does not exist + for nf in files: + nf = ncase(nf) + dir, base = os.path.split(nf) + if not dir: + dir = '.' + cache = dircache.get(dir, None) + if cache is None: + try: + dmap = dict([(ncase(n), s) + for n, k, s in osutil.listdir(dir, True)]) + except OSError, err: + # handle directory not found in Python version prior to 2.5 + # Python <= 2.4 returns native Windows code 3 in errno + # Python >= 2.5 returns ENOENT and adds winerror field + # EINVAL is raised if dir is not a directory. + if err.errno not in (3, errno.ENOENT, errno.EINVAL, + errno.ENOTDIR): + raise + dmap = {} + cache = dircache.setdefault(dir, dmap) + yield cache.get(base, None) + +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.""" + return None + +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.""" + return None + +def _removedirs(name): + """special version of os.removedirs that does not remove symlinked + directories or junction points if they actually contain files""" + if osutil.listdir(name): + return + os.rmdir(name) + head, tail = os.path.split(name) + if not tail: + head, tail = os.path.split(head) + while head and tail: + try: + if osutil.listdir(head): + return + os.rmdir(head) + except (ValueError, OSError): + break + head, tail = os.path.split(head) + +def unlinkpath(f): + """unlink and remove the directory if it is empty""" + unlink(f) + # try removing directories that might now be empty + try: + _removedirs(os.path.dirname(f)) + except OSError: + pass + +def rename(src, dst): + '''atomically rename file src to dst, replacing dst if it exists''' + try: + os.rename(src, dst) + except OSError, e: + if e.errno != errno.EEXIST: + raise + unlink(dst) + os.rename(src, dst) + +def gethgcmd(): + return [sys.executable] + sys.argv[:1] + +def termwidth(): + # cmd.exe does not handle CR like a unix console, the CR is + # counted in the line length. On 80 columns consoles, if 80 + # characters are written, the following CR won't apply on the + # current line but on the new one. Keep room for it. + return 79 + +def groupmembers(name): + # Don't support groups on Windows for now + raise KeyError() + +def isexec(f): + return False + +class cachestat(object): + def __init__(self, path): + pass + + def cacheable(self): + return False + +expandglobs = True |