mercurial/revlogutils/nodemap.py

46088:8837498ae6e0

            if use_mmap:
                data = util.buffer(util.mmapread(fd, data_length))
            else:
                data = fd.read(data_length)
    except OSError as e:
        if e.errno != errno.ENOENT:
            raise
    if len(data) < data_length:
        return None
    return docket, data

46089:8ff2d8359d0f

            if use_mmap:
                data = util.buffer(util.mmapread(fd, data_length))
            else:
                data = fd.read(data_length)
    except OSError as e:
        if e.errno == errno.ENOENT:
            return None
        else:
            raise
    if len(data) < data_length:
        return None
    return docket, data