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slack_data_import: Update how Slack user avatars are processed.

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Previously, the Slack export converter can only process Slack's avatar
URL from Slack's "ca.slack-edge.com" server, which looks like this:

https://ca.slack-edge.com/T0CDRA6HM3P-U06NABE26M9-1173e04f818e-512

This commit adds support for converting any public downloadable image
URLs.

This is done to support importing Slack's integration bots and their
messages, which typically have PNG type file url:

https://avatars.slack-edge.com/2024-05-01/7057208497908_a4351f6deb91094eac4c_72.png
This commit is contained in:
PieterCK
2024-10-09 17:20:58 +07:00
committed by Tim Abbott
parent e856294da6
commit 10946caa3d
3 changed files with 51 additions and 12 deletions
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6
zerver/data_import/import_util.py
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@@ -560,7 +560,11 @@ def get_avatar(avatar_dir: str, size_url_suffix: str, avatar_upload_item: list[s
image_path = os.path.join(avatar_dir, avatar_upload_item[1])
original_image_path = os.path.join(avatar_dir, avatar_upload_item[2])
response = requests.get(avatar_url + size_url_suffix, stream=True)
if avatar_url.startswith("https://ca.slack-edge.com/"):
# Adjust the avatar size for a typical Slack user.
avatar_url += size_url_suffix
response = requests.get(avatar_url, stream=True)
with open(image_path, "wb") as image_file:
shutil.copyfileobj(response.raw, image_file)
shutil.copy(image_path, original_image_path)