| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| from ...utils.threading import LockedList |
| from .source import DefaultReaderSource |
| |
| |
| class ReadingContext(object): |
| """ |
| Reading context. |
| |
| :ivar reader_source: for finding reader instances |
| :vartype reader_source: ReaderSource |
| :ivar reader: overrides ``reader_source`` with a specific class |
| :vartype reader: type |
| """ |
| |
| def __init__(self): |
| self.reader_source = DefaultReaderSource() |
| self.reader = None |
| |
| self._locations = LockedList() # for keeping track of locations already read |