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Add SHADOWMIRE_IGNORE_THRESHOLD option

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Related: https://github.com/tuna/issues/issues/2061
This commit is contained in:
taoky 2024-10-30 20:30:39 +08:00 committed by taoky
parent 1ca3e23bcf
commit 5f057c5e47
1 changed files with 35 additions and 5 deletions
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40
shadowmire.py
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@ -42,6 +42,8 @@ WORKERS = int(os.environ.get("SHADOWMIRE_WORKERS", "3"))
IOWORKERS = int(os.environ.get("SHADOWMIRE_IOWORKERS", "2"))
# A safety net -- to avoid upstream issues casuing too many packages removed when determinating sync plan.
MAX_DELETION = int(os.environ.get("SHADOWMIRE_MAX_DELETION", "50000"))
# Sometimes PyPI is not consistent -- new packages could not be fetched. This option tries to avoid permanently mark that kind of package as nonexist.
IGNORE_THRESHOLD = int(os.environ.get("SHADOWMIRE_IGNORE_THRESHOLD", "1024"))
# https://github.com/pypa/bandersnatch/blob/a05af547f8d1958217ef0dc0028890b1839e6116/src/bandersnatch_filter_plugins/prerelease_name.py#L18C1-L23C6
PRERELEASE_PATTERNS = (
@ -337,6 +339,9 @@ class PyPI:
del ret[key]
return ret
def changelog_last_serial(self) -> int:
return self.xmlrpc_client.changelog_last_serial() # type: ignore
def get_package_metadata(self, package_name: str) -> dict:
req = self.session.get(urljoin(self.host, f"pypi/{package_name}/json"))
if req.status_code == 404:
@ -828,15 +833,18 @@ class SyncPyPI(SyncBase):
) -> None:
self.pypi = PyPI()
self.session = create_requests_session()
self.last_serial: Optional[int] = None
self.remote_packages: Optional[dict[str, int]] = None
super().__init__(basedir, local_db, sync_packages)
def fetch_remote_versions(self) -> dict[str, int]:
ret = self.pypi.list_packages_with_serial()
logger.info("Remote has %s packages", len(ret))
self.last_serial = self.pypi.changelog_last_serial()
self.remote_packages = self.pypi.list_packages_with_serial()
logger.info("Remote has %s packages", len(self.remote_packages))
with overwrite(self.basedir / "remote.json") as f:
json.dump(ret, f)
json.dump(self.remote_packages, f)
logger.info("File saved to remote.json.")
return ret
return self.remote_packages
def do_update(
self,
@ -852,9 +860,31 @@ class SyncPyPI(SyncBase):
meta_original = deepcopy(meta)
logger.debug("%s meta: %s", package_name, meta)
except PackageNotFoundError:
if (
self.remote_packages is not None
and package_name in self.remote_packages
):
recorded_serial = self.remote_packages[package_name]
else:
recorded_serial = None
if (
recorded_serial is not None
and self.last_serial is not None
and abs(recorded_serial - self.last_serial) < IGNORE_THRESHOLD
):
logger.warning(
"%s missing from upstream (its serial %s, remote last serial %s), try next time...",
package_name,
recorded_serial,
self.last_serial,
)
return None
logger.warning(
"%s missing from upstream, remove and ignore in the future.",
"%s missing from upstream (its serial %s, remote last serial %s), remove and ignore in the future.",
package_name,
recorded_serial,
self.last_serial,
)
# try remove it locally, if it does not exist upstream
self.do_remove(package_name, use_db=False)