Пример #1
0
def transfer_file(src, dest, callback):
    """Transfer src to dest, calling
    callback(xferd) while doing so,
    where xferd is the size of the buffer successfully transferred

    src and dest must be two valid file paths.

    If pycp.options.move is True, remove src when done.
    """
    if samefile(src, dest):
        raise TransferError("%s and %s are the same file!" % (src, dest))
    if os.path.islink(src):
        target = os.readlink(src)
        #remove existing stuff
        if os.path.lexists(dest):
            os.remove(dest)
        os.symlink(target, dest)
        callback(0)
        return
    try:
        src_file = open(src, "rb")
    except IOError:
        raise TransferError("Could not open %s for reading" % src)
    try:
        dest_file = open(dest, "wb")
    except IOError:
        raise TransferError("Could not open %s for writing" % dest)

    # FIXME: a buffer size this small consumes a lot of CPU ...
    buff_size = 100 * 1024
    xferd = 0
    try:
        while True:
            data = src_file.read(buff_size)
            if not data:
                callback(0)
                break
            xferd = len(data)
            callback(xferd)
            dest_file.write(data)
    except IOError as err:
        mess  = "Problem when transferring %s to %s\n" % (src, dest)
        mess += "Error was: %s" % err
        raise TransferError(mess)
    finally:
        src_file.close()
        dest_file.close()

    try:
        post_transfer(src, dest)
    except OSError as err:
        print("Warning: failed to finalize transfer of %s: %s" % (dest, err))

    if pycp.options.move:
        try:
            debug("removing %s" % src)
            os.remove(src)
        except OSError:
            print("Warning: could not remove %s" % src)
Пример #2
0
    def _parse_file(self, source, destination):
        """Parse a new source file

        """
        debug(":: file %s -> %s" % (source, destination))
        if os.path.isdir(destination):
            destination = os.path.join(destination, os.path.basename(source))
        self.add(source, destination)
Пример #3
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    def _parse_file(self, source, destination):
        """Parse a new source file

        """
        debug(":: file %s -> %s" % (source, destination))
        if os.path.isdir(destination):
            destination = os.path.join(
                destination, os.path.basename(os.path.normpath(source)))
        self.add(source, destination)
Пример #4
0
    def _parse_dir(self, source, destination):
        """Parse a new source directory

        """
        debug(":: dir %s -> %s" % (source, destination))
        if os.path.isdir(destination):
            destination = os.path.join(destination, os.path.basename(source))
        debug(":: making dir %s" % destination)
        if not os.path.exists(destination):
            os.mkdir(destination)
        file_names = sorted(os.listdir(source))
        if not pycp.options.all:
            file_names = [f for f in file_names if not f.startswith(".")]
        file_names = [os.path.join(source, f) for f in file_names]
        self.parse(file_names, destination)
        self.to_remove.append(source)
Пример #5
0
    def _parse_dir(self, source, destination):
        """Parse a new source directory

        """
        debug(":: dir %s -> %s" % (source, destination))
        if os.path.isdir(destination):
            destination = os.path.join(
                destination, os.path.basename(os.path.normpath(source)))
        debug(":: making dir %s" % destination)
        if not os.path.exists(destination):
            os.mkdir(destination)
        file_names = sorted(os.listdir(source))
        if not pycp.options.all:
            file_names = [f for f in file_names if not f.startswith(".")]
        file_names = [os.path.join(source, f) for f in file_names]
        self.parse(file_names, destination)
        self.to_remove.append(source)
Пример #6
0
    except IOError, err:
        mess  = "Problem when transferring %s to %s\n" % (src, dest)
        mess += "Error was: %s" % err
        raise TransferError(mess)
    finally:
        src_file.close()
        dest_file.close()

    try:
        post_transfer(src, dest)
    except OSError, err:
        print "Warning: failed to finalize transfer of %s: %s" % (dest, err)

    if pycp.options.move:
        try:
            debug("removing %s" % src)
            os.remove(src)
        except OSError:
            print "Warning: could not remove %s" % src


def post_transfer(src, dest):
    """Handle stat of transferred file

    By default, preserve only permissions.
    If "preserve" option was given, preserve also
    utime and flags.

    """
    src_st = os.stat(src)
    if hasattr(os, 'chmod'):
Пример #7
0
    except IOError, err:
        mess = "Problem when transferring %s to %s\n" % (src, dest)
        mess += "Error was: %s" % err
        raise TransferError(mess)
    finally:
        src_file.close()
        dest_file.close()

    try:
        post_transfer(src, dest)
    except OSError, err:
        print "Warning: failed to finalize transfer of %s: %s" % (dest, err)

    if pycp.options.move:
        try:
            debug("removing %s" % src)
            os.remove(src)
        except OSError:
            print "Warning: could not remove %s" % src


def post_transfer(src, dest):
    """Handle stat of transferred file

    By default, preserve only permissions.
    If "preserve" option was given, preserve also
    utime and flags.

    """
    src_st = os.stat(src)
    if hasattr(os, 'chmod'):