Prior to this, a shallow content was returned with all keys to None except for
the sha1 key.
This now bypasses unknown contents.
Clients identified [1]:
- journal's test
- webapp's test
- indexer storage's rehash module (not in use right now, it was used to add a new column on
contents).
[1]
```
grep -r ".content_get_metadata(" * | grep -v ".tox" | grep ".content_get_metadata("
swh-indexer/swh/indexer/rehash.py: content_metadata = self.storage.content_get_metadata(
swh-journal/swh/journal/tests/test_replay.py: contents = list(storage.content_get_metadata(
swh-storage/swh/storage/storage.py: def content_get_metadata(self, content, db=None, cur=None):
swh-storage/swh/storage/tests/test_storage.py: assert list(swh_storage.content_get_metadata([cont['sha1']])) == \
swh-storage/swh/storage/tests/test_storage.py: def test_content_get_metadata(self, swh_storage):
swh-storage/swh/storage/tests/test_storage.py: actual_md = list(swh_storage.content_get_metadata(
swh-storage/swh/storage/tests/test_storage.py: gen = swh_storage.content_get_metadata([missing_cont['sha1']])
swh-storage/swh/storage/tests/test_storage.py: def test_generate_content_get_metadata(self, swh_storage, swh_contents):
swh-storage/swh/storage/tests/test_storage.py: actual_contents = list(swh_storage.content_get_metadata(get_sha1s))
swh-storage/swh/storage/in_memory.py: def content_get_metadata(self, content):
swh-web/swh/web/tests/browse/views/test_content.py: content_data = archive_data.content_get_metadata(content['sha1'])
swh-web/swh/web/tests/api/views/test_content.py: expected_data = archive_data.content_get_metadata(content['sha1'])
swh-web/swh/web/tests/data.py: contents_metadata = storage.content_get_metadata(contents)
swh-web/swh/web/tests/common/test_service.py: content_metadata = archive_data.content_get_metadata(content['sha1'])
swh-web/swh/web/tests/common/test_service.py: expected_content = archive_data.content_get_metadata(content['sha1'])
swh-web/swh/web/tests/common/test_service.py: expected_content = archive_data.content_get_metadata(content['sha1'])
swh-web/swh/web/tests/conftest.py: def content_get_metadata(self, cnt_id):
swh-web/swh/web/tests/conftest.py: metadata = next(self.storage.content_get_metadata([cnt_id_bytes]))
```