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gnomeExtensions: refactor update script

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The update-extensions.py script downloads extension information once for each
shell version, although one extension version might be used for multiple shell
versions. To reduce the amount of downloads we first select the appropriate
extension version per shell version as done before, then download the
corresponding information once for each selected extension version, and finally
map each shell version to the downloaded information of the selected extension
version.
This commit is contained in:
tu-maurice 2022-04-07 22:16:22 +02:00
parent 216c78db4d
commit d2b225789c
1 changed files with 20 additions and 5 deletions
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25
pkgs/desktops/gnome/extensions/update-extensions.py
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@ -77,7 +77,9 @@ def generate_extension_versions(
- Filter out versions that only support old GNOME versions
- Download the extension and hash it
"""
extension_versions: Dict[ShellVersion, Dict[str, str]] = {}
# Determine extension version per shell version
extension_versions: Dict[ShellVersion, ExtensionVersion] = {}
for shell_version, version_prefix in supported_versions.items():
# Newest compatible extension version
extension_version: Optional[int] = max(
@ -91,11 +93,24 @@ def generate_extension_versions(
# Extension is not compatible with this GNOME version
if not extension_version:
continue
extension_versions[shell_version] = extension_version
# Download information once for all extension versions chosen above
extension_info_cache: Dict[ExtensionVersion, Tuple[str, str]] = {}
for extension_version in sorted(set(extension_versions.values())):
logging.debug(
f"[{shell_version}] Downloading '{uuid}' v{extension_version}"
f"[{uuid}] Downloading v{extension_version}"
)
sha256, metadata = fetch_extension_data(uuid, str(extension_version))
extension_versions[shell_version] = {
extension_info_cache[extension_version] = \
fetch_extension_data(uuid, str(extension_version))
# Fill map
extension_versions_full: Dict[ShellVersion, Dict[str, str]] = {}
for shell_version, extension_version in extension_versions.items():
sha256, metadata = extension_info_cache[extension_version]
extension_versions_full[shell_version] = {
"version": str(extension_version),
"sha256": sha256,
# The downloads are impure, their metadata.json may change at any time.
@ -103,7 +118,7 @@ def generate_extension_versions(
# Upstream issue: https://gitlab.gnome.org/Infrastructure/extensions-web/-/issues/137
"metadata": metadata,
}
return extension_versions
return extension_versions_full
def pname_from_url(url: str) -> Tuple[str, str]: