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origin.py
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origin.py
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# Copyright (C) 2022 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information
from swh.model.model import Origin
from swh.storage.interface import PagedResult
from .base_connection import BaseConnection
from .base_node import BaseSWHNode
from .search import SearchResultNode
class BaseOriginNode(BaseSWHNode):
def is_type_of(self):
# is_type_of is required only when resolving a UNION type
# This is for ariadne to return the right type
return "Origin"
class OriginNode(BaseOriginNode):
"""
Node resolver for an origin requested directly with its URL
"""
def _get_node_data(self):
return self.archive.get_origin(self.kwargs.get("url"))
class TargetOriginNode(BaseOriginNode):
"""
Node resolver for an origin requested as a target
"""
obj: SearchResultNode
def _get_node_data(self):
# The target origin URL is guaranteed to exist in the archive
# Hence returning the origin object without any explicit check in the archive
# This assumes that the search index and archive are in sync
return Origin(self.obj.target_url)
class OriginConnection(BaseConnection):
"""
Connection resolver for the origins
"""
_node_class = BaseOriginNode
def _get_paged_result(self) -> PagedResult:
# Use the search backend if a urlPattern is given
if self.kwargs.get("urlPattern"):
origins = self.search.get_origins(
query=self.kwargs.get("urlPattern"),
after=self._get_after_arg(),
first=self._get_first_arg(),
)
results = [Origin(ori["url"]) for ori in origins.results]
return PagedResult(results=results, next_page_token=origins.next_page_token)
# Use the archive backend by default
return self.archive.get_origins(
after=self._get_after_arg(), first=self._get_first_arg()
)

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