Personal Computer World 2009 February/PCWFEB09.iso/Software/Resources/Chat & Communication/Digsby build 37/digsby_setup.exe/lib/distutils/file_util.pyo

Python Compiled Bytecode | 2008-10-13 | 5KB | 202 lines

# Source Generated with Decompyle++
# File: in.pyo (Python 2.5)

__revision__ = '$Id: file_util.py 37828 2004-11-10 22:23:15Z loewis $'
import os
from distutils.errors import DistutilsFileError
from distutils import log
_copy_action = {
    None: 'copying',
    'hard': 'hard linking',
    'sym': 'symbolically linking' }

def _copy_file_contents(src, dst, buffer_size = 16384):
    fsrc = None
    fdst = None

    try:
        fsrc = open(src, 'rb')
    except os.error:
        (errno, errstr) = None
        raise DistutilsFileError, "could not open '%s': %s" % (src, errstr)


    if os.path.exists(dst):

        try:
            os.unlink(dst)
        except os.error:
            (errno, errstr) = None
            raise DistutilsFileError, "could not delete '%s': %s" % (dst, errstr)
        except:
            None<EXCEPTION MATCH>os.error


    None<EXCEPTION MATCH>os.error

    try:
        fdst = open(dst, 'wb')
    except os.error:
        (errno, errstr) = None
        raise DistutilsFileError, "could not create '%s': %s" % (dst, errstr)

    while None:

        try:
            buf = fsrc.read(buffer_size)
        except os.error:
            (errno, errstr) = None
            raise DistutilsFileError, "could not read from '%s': %s" % (src, errstr)

        if not buf:
            break


        try:
            fdst.write(buf)
        continue
        except os.error:
            (errno, errstr) = None
            raise DistutilsFileError, "could not write to '%s': %s" % (dst, errstr)
            continue


    if fsrc:
        fsrc.close()



def copy_file(src, dst, preserve_mode = 1, preserve_times = 1, update = 0, link = None, verbose = 0, dry_run = 0):
    newer = newer
    import distutils.dep_util
    ST_ATIME = ST_ATIME
    ST_MTIME = ST_MTIME
    ST_MODE = ST_MODE
    S_IMODE = S_IMODE
    import stat
    if not os.path.isfile(src):
        raise DistutilsFileError, "can't copy '%s': doesn't exist or not a regular file" % src

    if os.path.isdir(dst):
        dir = dst
        dst = os.path.join(dst, os.path.basename(src))
    else:
        dir = os.path.dirname(dst)
    if update and not newer(src, dst):
        log.debug('not copying %s (output up-to-date)', src)
        return (dst, 0)


    try:
        action = _copy_action[link]
    except KeyError:
        raise ValueError, "invalid value '%s' for 'link' argument" % link

    if os.path.basename(dst) == os.path.basename(src):
        log.info('%s %s -> %s', action, src, dir)
    else:
        log.info('%s %s -> %s', action, src, dst)
    if dry_run:
        return (dst, 1)

    if os.name == 'mac':
        import macostools as macostools

        try:
            macostools.copy(src, dst, 0, preserve_times)
        except os.error:
            exc = None
            raise DistutilsFileError, "could not copy '%s' to '%s': %s" % (src, dst, exc[-1])
        except:
            None<EXCEPTION MATCH>os.error


    None<EXCEPTION MATCH>os.error
    if link == 'hard':
        if not os.path.exists(dst) and os.path.samefile(src, dst):
            os.link(src, dst)

    elif link == 'sym':
        if not os.path.exists(dst) and os.path.samefile(src, dst):
            os.symlink(src, dst)

    else:
        _copy_file_contents(src, dst)
        if preserve_mode or preserve_times:
            st = os.stat(src)
            if preserve_times:
                os.utime(dst, (st[ST_ATIME], st[ST_MTIME]))

            if preserve_mode:
                os.chmod(dst, S_IMODE(st[ST_MODE]))


    return (dst, 1)


def move_file(src, dst, verbose = 0, dry_run = 0):
    exists = exists
    isfile = isfile
    isdir = isdir
    basename = basename
    dirname = dirname
    import os.path
    import errno
    log.info('moving %s -> %s', src, dst)
    if dry_run:
        return dst

    if not isfile(src):
        raise DistutilsFileError, "can't move '%s': not a regular file" % src

    if isdir(dst):
        dst = os.path.join(dst, basename(src))
    elif exists(dst):
        raise DistutilsFileError, "can't move '%s': destination '%s' already exists" % (src, dst)

    if not isdir(dirname(dst)):
        raise DistutilsFileError, "can't move '%s': destination '%s' not a valid path" % (src, dst)

    copy_it = 0

    try:
        os.rename(src, dst)
    except os.error:
        (num, msg) = None
        if num == errno.EXDEV:
            copy_it = 1
        else:
            raise DistutilsFileError, "couldn't move '%s' to '%s': %s" % (src, dst, msg)
    except:
        num == errno.EXDEV

    if copy_it:
        copy_file(src, dst)

        try:
            os.unlink(src)
        except os.error:
            (num, msg) = None

            try:
                os.unlink(dst)
            except os.error:
                pass

            raise DistutilsFileError, ("couldn't move '%s' to '%s' by copy/delete: " + "delete '%s' failed: %s") % (src, dst, src, msg)
        except:
            None<EXCEPTION MATCH>os.error


    None<EXCEPTION MATCH>os.error
    return dst


def write_file(filename, contents):
    f = open(filename, 'w')
    for line in contents:
        f.write(line + '\n')

    f.close()