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# Copyright 2019 Canonical |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); you may |
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# not use this file except in compliance with the License. You may obtain |
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# a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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# License for the specific language governing permissions and limitations |
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# under the License. |
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# |
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# For those usages not covered by the Apache License, Version 2.0 please |
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# contact: eduardo.sousa@canonical.com |
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## |
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import datetime |
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import errno |
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from http import HTTPStatus |
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from io import BytesIO, StringIO |
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import logging |
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import os |
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import tarfile |
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import zipfile |
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|
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from gridfs import errors, GridFSBucket |
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from osm_common.fsbase import FsBase, FsException |
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from pymongo import MongoClient |
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__author__ = "Eduardo Sousa <eduardo.sousa@canonical.com>" |
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class GridByteStream(BytesIO): |
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def __init__(self, filename, fs, mode): |
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BytesIO.__init__(self) |
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self._id = None |
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self.filename = filename |
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self.fs = fs |
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self.mode = mode |
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self.file_type = "file" # Set "file" as default file_type |
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|
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self.__initialize__() |
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|
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def __initialize__(self): |
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grid_file = None |
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|
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cursor = self.fs.find({"filename": self.filename}) |
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|
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for requested_file in cursor: |
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exception_file = next(cursor, None) |
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|
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if exception_file: |
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raise FsException( |
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"Multiple files found", http_code=HTTPStatus.INTERNAL_SERVER_ERROR |
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) |
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|
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if requested_file.metadata["type"] in ("file", "sym"): |
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grid_file = requested_file |
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self.file_type = requested_file.metadata["type"] |
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else: |
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raise FsException( |
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"Type isn't file", http_code=HTTPStatus.INTERNAL_SERVER_ERROR |
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) |
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if grid_file: |
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self._id = grid_file._id |
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self.fs.download_to_stream(self._id, self) |
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if "r" in self.mode: |
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self.seek(0, 0) |
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|
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def close(self): |
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if "r" in self.mode: |
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super(GridByteStream, self).close() |
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return |
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if self._id: |
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self.fs.delete(self._id) |
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cursor = self.fs.find( |
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{"filename": self.filename.split("/")[0], "metadata": {"type": "dir"}} |
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) |
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parent_dir = next(cursor, None) |
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if not parent_dir: |
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parent_dir_name = self.filename.split("/")[0] |
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self.filename = self.filename.replace( |
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parent_dir_name, parent_dir_name[:-1], 1 |
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) |
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self.seek(0, 0) |
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if self._id: |
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self.fs.upload_from_stream_with_id( |
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self._id, self.filename, self, metadata={"type": self.file_type} |
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) |
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else: |
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self.fs.upload_from_stream( |
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self.filename, self, metadata={"type": self.file_type} |
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) |
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super(GridByteStream, self).close() |
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def __enter__(self): |
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return self |
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def __exit__(self, exc_type, exc_val, exc_tb): |
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self.close() |
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class GridStringStream(StringIO): |
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def __init__(self, filename, fs, mode): |
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StringIO.__init__(self) |
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self._id = None |
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self.filename = filename |
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self.fs = fs |
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self.mode = mode |
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self.file_type = "file" # Set "file" as default file_type |
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self.__initialize__() |
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def __initialize__(self): |
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grid_file = None |
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cursor = self.fs.find({"filename": self.filename}) |
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for requested_file in cursor: |
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exception_file = next(cursor, None) |
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if exception_file: |
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raise FsException( |
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"Multiple files found", http_code=HTTPStatus.INTERNAL_SERVER_ERROR |
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) |
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if requested_file.metadata["type"] in ("file", "dir"): |
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grid_file = requested_file |
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self.file_type = requested_file.metadata["type"] |
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else: |
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raise FsException( |
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"File type isn't file", http_code=HTTPStatus.INTERNAL_SERVER_ERROR |
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) |
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if grid_file: |
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stream = BytesIO() |
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self._id = grid_file._id |
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self.fs.download_to_stream(self._id, stream) |
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stream.seek(0) |
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self.write(stream.read().decode("utf-8")) |
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stream.close() |
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if "r" in self.mode: |
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self.seek(0, 0) |
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|
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def close(self): |
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if "r" in self.mode: |
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super(GridStringStream, self).close() |
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return |
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if self._id: |
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self.fs.delete(self._id) |
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cursor = self.fs.find( |
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{"filename": self.filename.split("/")[0], "metadata": {"type": "dir"}} |
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) |
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parent_dir = next(cursor, None) |
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if not parent_dir: |
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parent_dir_name = self.filename.split("/")[0] |
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self.filename = self.filename.replace( |
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parent_dir_name, parent_dir_name[:-1], 1 |
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) |
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|
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self.seek(0, 0) |
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stream = BytesIO() |
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stream.write(self.read().encode("utf-8")) |
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stream.seek(0, 0) |
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if self._id: |
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self.fs.upload_from_stream_with_id( |
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self._id, self.filename, stream, metadata={"type": self.file_type} |
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) |
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else: |
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self.fs.upload_from_stream( |
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self.filename, stream, metadata={"type": self.file_type} |
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) |
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stream.close() |
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super(GridStringStream, self).close() |
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|
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def __enter__(self): |
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return self |
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def __exit__(self, exc_type, exc_val, exc_tb): |
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self.close() |
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class FsMongo(FsBase): |
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def __init__(self, logger_name="fs", lock=False): |
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super().__init__(logger_name, lock) |
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self.path = None |
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self.client = None |
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self.fs = None |
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|
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def __update_local_fs(self, from_path=None): |
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dir_cursor = self.fs.find({"metadata.type": "dir"}, no_cursor_timeout=True) |
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valid_paths = [] |
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for directory in dir_cursor: |
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if from_path and not directory.filename.startswith(from_path): |
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continue |
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self.logger.debug("Making dir {}".format(self.path + directory.filename)) |
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os.makedirs(self.path + directory.filename, exist_ok=True) |
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valid_paths.append(self.path + directory.filename) |
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file_cursor = self.fs.find( |
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{"metadata.type": {"$in": ["file", "sym"]}}, no_cursor_timeout=True |
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) |
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for writing_file in file_cursor: |
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if from_path and not writing_file.filename.startswith(from_path): |
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continue |
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file_path = self.path + writing_file.filename |
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|
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if writing_file.metadata["type"] == "sym": |
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with BytesIO() as b: |
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self.fs.download_to_stream(writing_file._id, b) |
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b.seek(0) |
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link = b.read().decode("utf-8") |
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|
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try: |
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self.logger.debug("Sync removing {}".format(file_path)) |
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os.remove(file_path) |
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except OSError as e: |
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if e.errno != errno.ENOENT: |
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# This is probably permission denied or worse |
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raise |
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os.symlink( |
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link, os.path.realpath(os.path.normpath(os.path.abspath(file_path))) |
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) |
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else: |
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folder = os.path.dirname(file_path) |
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if folder not in valid_paths: |
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self.logger.debug("Sync local directory {}".format(file_path)) |
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os.makedirs(folder, exist_ok=True) |
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with open(file_path, "wb+") as file_stream: |
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self.logger.debug("Sync download {}".format(file_path)) |
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self.fs.download_to_stream(writing_file._id, file_stream) |
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if "permissions" in writing_file.metadata: |
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os.chmod(file_path, writing_file.metadata["permissions"]) |
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|
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def get_params(self): |
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return {"fs": "mongo", "path": self.path} |
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|
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def fs_connect(self, config): |
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try: |
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if "logger_name" in config: |
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self.logger = logging.getLogger(config["logger_name"]) |
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if "path" in config: |
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self.path = config["path"] |
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else: |
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raise FsException('Missing parameter "path"') |
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if not self.path.endswith("/"): |
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self.path += "/" |
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if not os.path.exists(self.path): |
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raise FsException( |
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"Invalid configuration param at '[storage]': path '{}' does not exist".format( |
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config["path"] |
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) |
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) |
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elif not os.access(self.path, os.W_OK): |
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raise FsException( |
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"Invalid configuration param at '[storage]': path '{}' is not writable".format( |
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config["path"] |
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) |
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) |
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if all(key in config.keys() for key in ["uri", "collection"]): |
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self.client = MongoClient(config["uri"]) |
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self.fs = GridFSBucket(self.client[config["collection"]]) |
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else: |
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if "collection" not in config.keys(): |
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raise FsException('Missing parameter "collection"') |
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else: |
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raise FsException('Missing parameters: "uri"') |
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except FsException: |
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raise |
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except Exception as e: # TODO refine |
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raise FsException(str(e)) |
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|
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def fs_disconnect(self): |
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pass # TODO |
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|
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def mkdir(self, folder): |
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""" |
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Creates a folder or parent object location |
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:param folder: |
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:return: None or raises an exception |
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""" |
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folder = folder.rstrip("/") |
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try: |
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self.fs.upload_from_stream(folder, BytesIO(), metadata={"type": "dir"}) |
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except errors.FileExists: # make it idempotent |
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pass |
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except Exception as e: |
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raise FsException(str(e), http_code=HTTPStatus.INTERNAL_SERVER_ERROR) |
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|
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def dir_rename(self, src, dst): |
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""" |
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Rename one directory name. If dst exist, it replaces (deletes) existing directory |
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:param src: source directory |
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:param dst: destination directory |
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:return: None or raises and exception |
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""" |
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dst = dst.rstrip("/") |
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src = src.rstrip("/") |
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|
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try: |
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dst_cursor = self.fs.find( |
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{"filename": {"$regex": "^{}(/|$)".format(dst)}}, no_cursor_timeout=True |
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) |
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for dst_file in dst_cursor: |
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self.fs.delete(dst_file._id) |
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|
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src_cursor = self.fs.find( |
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{"filename": {"$regex": "^{}(/|$)".format(src)}}, no_cursor_timeout=True |
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) |
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|
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for src_file in src_cursor: |
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self.fs.rename(src_file._id, src_file.filename.replace(src, dst, 1)) |
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except Exception as e: |
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raise FsException(str(e), http_code=HTTPStatus.INTERNAL_SERVER_ERROR) |
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|
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1 |
def file_exists(self, storage, mode=None): |
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""" |
| 336 |
|
Indicates if "storage" file exist |
| 337 |
|
:param storage: can be a str or a str list |
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|
:param mode: can be 'file' exist as a regular file; 'dir' exists as a directory or; 'None' just exists |
| 339 |
|
:return: True, False |
| 340 |
|
""" |
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0 |
f = storage if isinstance(storage, str) else "/".join(storage) |
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f = f.rstrip("/") |
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|
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0 |
cursor = self.fs.find({"filename": f}) |
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|
| 346 |
0 |
for requested_file in cursor: |
| 347 |
0 |
exception_file = next(cursor, None) |
| 348 |
|
|
| 349 |
0 |
if exception_file: |
| 350 |
0 |
raise FsException( |
| 351 |
|
"Multiple files found", http_code=HTTPStatus.INTERNAL_SERVER_ERROR |
| 352 |
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) |
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|
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0 |
self.logger.debug("Entry {} metadata {}".format(f, requested_file.metadata)) |
| 355 |
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|
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|
# if no special mode is required just check it does exists |
| 357 |
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if not mode: |
| 358 |
0 |
return True |
| 359 |
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|
| 360 |
0 |
if requested_file.metadata["type"] == mode: |
| 361 |
0 |
return True |
| 362 |
|
|
| 363 |
0 |
if requested_file.metadata["type"] == "sym" and mode == "file": |
| 364 |
0 |
return True |
| 365 |
|
|
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0 |
return False |
| 367 |
|
|
| 368 |
1 |
def file_size(self, storage): |
| 369 |
|
""" |
| 370 |
|
return file size |
| 371 |
|
:param storage: can be a str or a str list |
| 372 |
|
:return: file size |
| 373 |
|
""" |
| 374 |
0 |
f = storage if isinstance(storage, str) else "/".join(storage) |
| 375 |
0 |
f = f.rstrip("/") |
| 376 |
|
|
| 377 |
0 |
cursor = self.fs.find({"filename": f}) |
| 378 |
|
|
| 379 |
0 |
for requested_file in cursor: |
| 380 |
0 |
exception_file = next(cursor, None) |
| 381 |
|
|
| 382 |
0 |
if exception_file: |
| 383 |
0 |
raise FsException( |
| 384 |
|
"Multiple files found", http_code=HTTPStatus.INTERNAL_SERVER_ERROR |
| 385 |
|
) |
| 386 |
|
|
| 387 |
0 |
return requested_file.length |
| 388 |
|
|
| 389 |
1 |
def file_extract(self, compressed_object, path): |
| 390 |
|
""" |
| 391 |
|
extract a tar file |
| 392 |
|
:param compressed_object: object of type tar or zip |
| 393 |
|
:param path: can be a str or a str list, or a tar object where to extract the tar_object |
| 394 |
|
:return: None |
| 395 |
|
""" |
| 396 |
1 |
f = path if isinstance(path, str) else "/".join(path) |
| 397 |
1 |
f = f.rstrip("/") |
| 398 |
|
|
| 399 |
1 |
if type(compressed_object) is tarfile.TarFile: |
| 400 |
1 |
for member in compressed_object.getmembers(): |
| 401 |
1 |
if member.isfile(): |
| 402 |
1 |
stream = compressed_object.extractfile(member) |
| 403 |
1 |
elif member.issym(): |
| 404 |
1 |
stream = BytesIO(member.linkname.encode("utf-8")) |
| 405 |
|
else: |
| 406 |
1 |
stream = BytesIO() |
| 407 |
|
|
| 408 |
1 |
if member.isfile(): |
| 409 |
1 |
file_type = "file" |
| 410 |
1 |
elif member.issym(): |
| 411 |
1 |
file_type = "sym" |
| 412 |
|
else: |
| 413 |
1 |
file_type = "dir" |
| 414 |
|
|
| 415 |
1 |
metadata = {"type": file_type, "permissions": member.mode} |
| 416 |
1 |
member.name = member.name.rstrip("/") |
| 417 |
|
|
| 418 |
1 |
self.logger.debug("Uploading {}/{}".format(f, member.name)) |
| 419 |
1 |
self.fs.upload_from_stream( |
| 420 |
|
f + "/" + member.name, stream, metadata=metadata |
| 421 |
|
) |
| 422 |
|
|
| 423 |
1 |
stream.close() |
| 424 |
0 |
elif type(compressed_object) is zipfile.ZipFile: |
| 425 |
0 |
for member in compressed_object.infolist(): |
| 426 |
0 |
if member.is_dir(): |
| 427 |
0 |
stream = BytesIO() |
| 428 |
|
else: |
| 429 |
0 |
stream = compressed_object.read(member) |
| 430 |
|
|
| 431 |
0 |
if member.is_dir(): |
| 432 |
0 |
file_type = "dir" |
| 433 |
|
else: |
| 434 |
0 |
file_type = "file" |
| 435 |
|
|
| 436 |
0 |
metadata = {"type": file_type} |
| 437 |
0 |
member.filename = member.filename.rstrip("/") |
| 438 |
|
|
| 439 |
0 |
self.logger.debug("Uploading {}/{}".format(f, member.filename)) |
| 440 |
0 |
self.fs.upload_from_stream( |
| 441 |
|
f + "/" + member.filename, stream, metadata=metadata |
| 442 |
|
) |
| 443 |
|
|
| 444 |
0 |
if member.is_dir(): |
| 445 |
0 |
stream.close() |
| 446 |
|
|
| 447 |
1 |
def file_open(self, storage, mode): |
| 448 |
|
""" |
| 449 |
|
Open a file |
| 450 |
|
:param storage: can be a str or list of str |
| 451 |
|
:param mode: file mode |
| 452 |
|
:return: file object |
| 453 |
|
""" |
| 454 |
0 |
try: |
| 455 |
0 |
f = storage if isinstance(storage, str) else "/".join(storage) |
| 456 |
0 |
f = f.rstrip("/") |
| 457 |
|
|
| 458 |
0 |
if "b" in mode: |
| 459 |
0 |
return GridByteStream(f, self.fs, mode) |
| 460 |
|
else: |
| 461 |
0 |
return GridStringStream(f, self.fs, mode) |
| 462 |
0 |
except errors.NoFile: |
| 463 |
0 |
raise FsException( |
| 464 |
|
"File {} does not exist".format(f), http_code=HTTPStatus.NOT_FOUND |
| 465 |
|
) |
| 466 |
0 |
except IOError: |
| 467 |
0 |
raise FsException( |
| 468 |
|
"File {} cannot be opened".format(f), http_code=HTTPStatus.BAD_REQUEST |
| 469 |
|
) |
| 470 |
|
|
| 471 |
1 |
def dir_ls(self, storage): |
| 472 |
|
""" |
| 473 |
|
return folder content |
| 474 |
|
:param storage: can be a str or list of str |
| 475 |
|
:return: folder content |
| 476 |
|
""" |
| 477 |
0 |
try: |
| 478 |
0 |
f = storage if isinstance(storage, str) else "/".join(storage) |
| 479 |
0 |
f = f.rstrip("/") |
| 480 |
|
|
| 481 |
0 |
files = [] |
| 482 |
0 |
dir_cursor = self.fs.find({"filename": f}) |
| 483 |
0 |
for requested_dir in dir_cursor: |
| 484 |
0 |
exception_dir = next(dir_cursor, None) |
| 485 |
|
|
| 486 |
0 |
if exception_dir: |
| 487 |
0 |
raise FsException( |
| 488 |
|
"Multiple directories found", |
| 489 |
|
http_code=HTTPStatus.INTERNAL_SERVER_ERROR, |
| 490 |
|
) |
| 491 |
|
|
| 492 |
0 |
if requested_dir.metadata["type"] != "dir": |
| 493 |
0 |
raise FsException( |
| 494 |
|
"File {} does not exist".format(f), |
| 495 |
|
http_code=HTTPStatus.NOT_FOUND, |
| 496 |
|
) |
| 497 |
|
|
| 498 |
0 |
if f.endswith("/"): |
| 499 |
0 |
f = f[:-1] |
| 500 |
|
|
| 501 |
0 |
files_cursor = self.fs.find( |
| 502 |
|
{"filename": {"$regex": "^{}/([^/])*".format(f)}} |
| 503 |
|
) |
| 504 |
0 |
for children_file in files_cursor: |
| 505 |
0 |
files += [children_file.filename.replace(f + "/", "", 1)] |
| 506 |
|
|
| 507 |
0 |
return files |
| 508 |
0 |
except IOError: |
| 509 |
0 |
raise FsException( |
| 510 |
|
"File {} cannot be opened".format(f), http_code=HTTPStatus.BAD_REQUEST |
| 511 |
|
) |
| 512 |
|
|
| 513 |
1 |
def file_delete(self, storage, ignore_non_exist=False): |
| 514 |
|
""" |
| 515 |
|
Delete storage content recursively |
| 516 |
|
:param storage: can be a str or list of str |
| 517 |
|
:param ignore_non_exist: not raise exception if storage does not exist |
| 518 |
|
:return: None |
| 519 |
|
""" |
| 520 |
0 |
try: |
| 521 |
0 |
f = storage if isinstance(storage, str) else "/".join(storage) |
| 522 |
0 |
f = f.rstrip("/") |
| 523 |
|
|
| 524 |
0 |
file_cursor = self.fs.find({"filename": f}) |
| 525 |
0 |
found = False |
| 526 |
0 |
for requested_file in file_cursor: |
| 527 |
0 |
found = True |
| 528 |
0 |
exception_file = next(file_cursor, None) |
| 529 |
|
|
| 530 |
0 |
if exception_file: |
| 531 |
0 |
self.logger.error( |
| 532 |
|
"Cannot delete duplicate file: {} and {}".format( |
| 533 |
|
requested_file.filename, exception_file.filename |
| 534 |
|
) |
| 535 |
|
) |
| 536 |
0 |
raise FsException( |
| 537 |
|
"Multiple files found", |
| 538 |
|
http_code=HTTPStatus.INTERNAL_SERVER_ERROR, |
| 539 |
|
) |
| 540 |
|
|
| 541 |
0 |
if requested_file.metadata["type"] == "dir": |
| 542 |
0 |
dir_cursor = self.fs.find( |
| 543 |
|
{"filename": {"$regex": "^{}/".format(f)}} |
| 544 |
|
) |
| 545 |
|
|
| 546 |
0 |
for tmp in dir_cursor: |
| 547 |
0 |
self.logger.debug("Deleting {}".format(tmp.filename)) |
| 548 |
0 |
self.fs.delete(tmp._id) |
| 549 |
|
|
| 550 |
0 |
self.logger.debug("Deleting {}".format(requested_file.filename)) |
| 551 |
0 |
self.fs.delete(requested_file._id) |
| 552 |
0 |
if not found and not ignore_non_exist: |
| 553 |
0 |
raise FsException( |
| 554 |
|
"File {} does not exist".format(storage), |
| 555 |
|
http_code=HTTPStatus.NOT_FOUND, |
| 556 |
|
) |
| 557 |
0 |
except IOError as e: |
| 558 |
0 |
raise FsException( |
| 559 |
|
"File {} cannot be deleted: {}".format(f, e), |
| 560 |
|
http_code=HTTPStatus.INTERNAL_SERVER_ERROR, |
| 561 |
|
) |
| 562 |
|
|
| 563 |
1 |
def sync(self, from_path=None): |
| 564 |
|
""" |
| 565 |
|
Sync from FSMongo to local storage |
| 566 |
|
:param from_path: if supplied, only copy content from this path, not all |
| 567 |
|
:return: None |
| 568 |
|
""" |
| 569 |
1 |
if from_path: |
| 570 |
0 |
if os.path.isabs(from_path): |
| 571 |
0 |
from_path = os.path.relpath(from_path, self.path) |
| 572 |
1 |
self.__update_local_fs(from_path=from_path) |
| 573 |
|
|
| 574 |
1 |
def _update_mongo_fs(self, from_path): |
| 575 |
1 |
os_path = self.path + from_path |
| 576 |
|
# Obtain list of files and dirs in filesystem |
| 577 |
1 |
members = [] |
| 578 |
1 |
for root, dirs, files in os.walk(os_path): |
| 579 |
1 |
for folder in dirs: |
| 580 |
1 |
member = {"filename": os.path.join(root, folder), "type": "dir"} |
| 581 |
1 |
if os.path.islink(member["filename"]): |
| 582 |
0 |
member["type"] = "sym" |
| 583 |
1 |
members.append(member) |
| 584 |
1 |
for file in files: |
| 585 |
1 |
filename = os.path.join(root, file) |
| 586 |
1 |
if os.path.islink(filename): |
| 587 |
0 |
file_type = "sym" |
| 588 |
|
else: |
| 589 |
1 |
file_type = "file" |
| 590 |
1 |
member = {"filename": os.path.join(root, file), "type": file_type} |
| 591 |
1 |
members.append(member) |
| 592 |
|
|
| 593 |
|
# Obtain files in mongo dict |
| 594 |
1 |
remote_files = self._get_mongo_files(from_path) |
| 595 |
|
|
| 596 |
|
# Upload members if they do not exists or have been modified |
| 597 |
|
# We will do this for performance (avoid updating unmodified files) and to avoid |
| 598 |
|
# updating a file with an older one in case there are two sources for synchronization |
| 599 |
|
# in high availability scenarios |
| 600 |
1 |
for member in members: |
| 601 |
|
# obtain permission |
| 602 |
1 |
mask = int(oct(os.stat(member["filename"]).st_mode)[-3:], 8) |
| 603 |
|
|
| 604 |
|
# convert to relative path |
| 605 |
1 |
rel_filename = os.path.relpath(member["filename"], self.path) |
| 606 |
|
# get timestamp in UTC because mongo stores upload date in UTC: |
| 607 |
|
# https://www.mongodb.com/docs/v4.0/tutorial/model-time-data/#overview |
| 608 |
1 |
last_modified_date = datetime.datetime.utcfromtimestamp( |
| 609 |
|
os.path.getmtime(member["filename"]) |
| 610 |
|
) |
| 611 |
|
|
| 612 |
1 |
remote_file = remote_files.get(rel_filename) |
| 613 |
1 |
upload_date = ( |
| 614 |
|
remote_file[0].uploadDate if remote_file else datetime.datetime.min |
| 615 |
|
) |
| 616 |
|
# remove processed files from dict |
| 617 |
1 |
remote_files.pop(rel_filename, None) |
| 618 |
|
|
| 619 |
1 |
if last_modified_date >= upload_date: |
| 620 |
1 |
stream = None |
| 621 |
1 |
fh = None |
| 622 |
1 |
try: |
| 623 |
1 |
file_type = member["type"] |
| 624 |
1 |
if file_type == "dir": |
| 625 |
1 |
stream = BytesIO() |
| 626 |
1 |
elif file_type == "sym": |
| 627 |
0 |
stream = BytesIO( |
| 628 |
|
os.readlink(member["filename"]).encode("utf-8") |
| 629 |
|
) |
| 630 |
|
else: |
| 631 |
1 |
fh = open(member["filename"], "rb") |
| 632 |
1 |
stream = BytesIO(fh.read()) |
| 633 |
|
|
| 634 |
1 |
metadata = {"type": file_type, "permissions": mask} |
| 635 |
|
|
| 636 |
1 |
self.logger.debug("Sync upload {}".format(rel_filename)) |
| 637 |
1 |
self.fs.upload_from_stream(rel_filename, stream, metadata=metadata) |
| 638 |
|
|
| 639 |
|
# delete old files |
| 640 |
1 |
if remote_file: |
| 641 |
0 |
for file in remote_file: |
| 642 |
0 |
self.logger.debug("Sync deleting {}".format(file.filename)) |
| 643 |
0 |
self.fs.delete(file._id) |
| 644 |
|
finally: |
| 645 |
1 |
if fh: |
| 646 |
1 |
fh.close() |
| 647 |
1 |
if stream: |
| 648 |
1 |
stream.close() |
| 649 |
|
|
| 650 |
|
# delete files that are not anymore in local fs |
| 651 |
1 |
for remote_file in remote_files.values(): |
| 652 |
0 |
for file in remote_file: |
| 653 |
0 |
self.fs.delete(file._id) |
| 654 |
|
|
| 655 |
1 |
def _get_mongo_files(self, from_path=None): |
| 656 |
1 |
file_dict = {} |
| 657 |
1 |
file_cursor = self.fs.find(no_cursor_timeout=True, sort=[("uploadDate", -1)]) |
| 658 |
1 |
for file in file_cursor: |
| 659 |
0 |
if from_path and not file.filename.startswith(from_path): |
| 660 |
0 |
continue |
| 661 |
0 |
if file.filename in file_dict: |
| 662 |
0 |
file_dict[file.filename].append(file) |
| 663 |
|
else: |
| 664 |
0 |
file_dict[file.filename] = [file] |
| 665 |
1 |
return file_dict |
| 666 |
|
|
| 667 |
1 |
def reverse_sync(self, from_path: str): |
| 668 |
|
""" |
| 669 |
|
Sync from local storage to FSMongo |
| 670 |
|
:param from_path: base directory to upload content to mongo fs |
| 671 |
|
:return: None |
| 672 |
|
""" |
| 673 |
1 |
if os.path.isabs(from_path): |
| 674 |
0 |
from_path = os.path.relpath(from_path, self.path) |
| 675 |
1 |
self._update_mongo_fs(from_path=from_path) |
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