コード例 #1
0
ファイル: backend.py プロジェクト: vbatoufflet/plume
def move_document(path_from, path_to):
    if not path_from or not path_to:
        raise EmptyDocumentPath()

    # Get documents paths
    dir_from = os.path.join(DOCUMENT_DIR, encode_path(path_from))
    dir_to = os.path.join(DOCUMENT_DIR, encode_path(path_to))

    if os.path.exists(dir_to):
        raise DocumentAlreadyExists()

    os.rename(dir_from, dir_to)
コード例 #2
0
ファイル: backend.py プロジェクト: vbatoufflet/plume
def lock_document(path, lock_info, unlock=False, force=False):
    if not path:
        raise EmptyDocumentPath()
    elif not lock_info[0]:
        raise EmptyUserName()

    # Get document directory path
    dir_path = os.path.join(DOCUMENT_DIR, encode_path(path))

    if not os.path.exists(dir_path):
        os.makedirs(dir_path)

    # Get document lock path
    lock_path = os.path.join(dir_path, 'lock')

    if os.path.lexists(lock_path):
        current = os.readlink(lock_path).split('@')

        if not force and (current[0] != lock_info[0] or current[1] != lock_info[1]):
            return (current[0], datetime.utcfromtimestamp(os.lstat(lock_path).st_ctime))

        os.unlink(lock_path)

        # Remove directory if empty (creation aborted)
        if unlock and not os.path.exists(os.path.join(dir_path, 'rev')):
            os.rmdir(dir_path)

    if not unlock:
        os.symlink('%s@%s' % lock_info, lock_path)

    return None
コード例 #3
0
ファイル: backend.py プロジェクト: vbatoufflet/plume
def get_last_revision(path):
    if not path:
        raise EmptyDocumentPath()

    # Get document directory path
    dir_path = os.path.join(DOCUMENT_DIR, encode_path(path), 'rev')

    if not os.path.exists(dir_path):
        return 0

    return max([int(x) for x in os.listdir(dir_path) if x.isdigit()])
コード例 #4
0
ファイル: backend.py プロジェクト: vbatoufflet/plume
def append_history(path, *args):
    if not path:
        raise EmptyDocumentPath()

    # Get document directory path
    dir_path = os.path.join(DOCUMENT_DIR, encode_path(path))

    # Write new history entry
    args = list(args)
    args.insert(0, int(time.time()))

    codecs.open(os.path.join(dir_path, 'meta'), 'a', 'utf-8').write('\x00'.join([str(x) for x in args]) + '\n')
コード例 #5
0
ファイル: backend.py プロジェクト: vbatoufflet/plume
def get_file_path(path, rev=None):
    if not path:
        raise EmptyDocumentPath()
    elif rev and not isinstance(rev, Number) and not rev.isdigit():
        raise InvalidRevisionNumber(errmsg="expected digits and value is '%s'" % rev)

    # Get document directory path
    dir_path = os.path.join(DOCUMENT_DIR, encode_path(path))

    # Set revision to document's last if not specified
    if not rev:
        rev = get_last_revision(path)

    return os.path.join(dir_path, 'rev', str(rev))
コード例 #6
0
ファイル: backend.py プロジェクト: vbatoufflet/plume
def get_history(path, rev=None):
    if not path:
        raise EmptyDocumentPath()
    elif rev and not isinstance(rev, Number) and not rev.isdigit():
        raise InvalidRevisionNumber(errmsg="expected digits and value is '%s'" % rev)

    if rev:
        rev = int(rev)

    # Get document directory path
    dir_path = os.path.join(DOCUMENT_DIR, encode_path(path))

    if not os.path.exists(dir_path):
        raise DocumentNotFound()

    # Get revision history
    file_path = os.path.join(dir_path, 'meta')

    if not os.path.exists(file_path):
        return []

    history = []

    for line in codecs.open(file_path, 'r', 'utf-8'):
        chunks = line.strip().split('\x00')
        chunks[0] = datetime.utcfromtimestamp(float(chunks[0]))
        chunks[1] = int(chunks[1])

        if rev is None or rev == -1:
            history.append(chunks)
        elif chunks[1] == rev:
            return chunks

    history.reverse()

    return history[0] if rev == -1 else history