tickets: 7844
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| id | created | changetime | last_pulled_from_trac | stage | status | component | type | severity | version | resolution | summary | description | owner | reporter | keywords | easy | has_patch | needs_better_patch | needs_tests | needs_docs | ui_ux |
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| 7844 | 2008-07-19 22:07:27 | 2011-11-04 11:52:10 | 2022-03-06 03:40:42.470347 | Accepted | closed | Core (Other) | Bug | Normal | dev | fixed | Very small race condition in file field saving | Noticed this whilst reading `Model._save_FIELD_file()` for another reason. The directory name used to save the file can be sensitive to the current datetime value, since `upload_to` directories can contain format strings. This directory name is computed a couple of times in this function, from what I can work out: once when creating the directories at the top of the function and once when call `field.get_filename()`. It's possible that the time delay between creating the directory and using the directory lower down could be sufficiently long that the name actually changes. For example, using day-based formats and then clock crosses midnight. The directory name should be the same throughout the code. | nobody | mtredinnick | 0 | 0 | 0 | 0 | 0 | 0 |