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from gettext import gettext as _
from django.db.utils import IntegrityError
from drf_yasg.utils import swagger_auto_schema
from rest_framework import serializers, viewsets
from rest_framework.decorators import action
from pulpcore.plugin import viewsets as platform
from pulpcore.plugin.models import Artifact, RepositoryVersion
from pulpcore.plugin.serializers import (
AsyncOperationResponseSerializer,
RepositorySyncURLSerializer,
)
from pulpcore.plugin.tasking import enqueue_with_reservation
from pulp_python.app import models as python_models
from pulp_python.app import serializers as python_serializers
from pulp_python.app import tasks
from pulp_python.app.tasks.upload import one_shot_upload
class PythonDistributionViewSet(platform.BaseDistributionViewSet):
"""
<!-- User-facing documentation, rendered as html-->
Pulp Python Distributions are used to distribute
<a href="../restapi.html#tag/publications">Python Publications.</a> <b> Pulp Python
Distributions should not be confused with "Python Distribution" as defined by the Python
community.</b> In Pulp usage, Python content is refered to as <a
href="../restapi.html#tag/content">Python Package Content.</a>
"""
endpoint_name = 'pypi'
queryset = python_models.PythonDistribution.objects.all()
serializer_class = python_serializers.PythonDistributionSerializer
class PythonPackageContentFilter(platform.ContentFilter):
"""
FilterSet for PythonPackageContent.
"""
class Meta:
model = python_models.PythonPackageContent
fields = {
'name': ['exact', 'in'],
'author': ['exact', 'in'],
'packagetype': ['exact', 'in'],
'filename': ['exact', 'in', 'contains'],
'keywords': ['in', 'contains'],
}
class PythonPackageContentViewSet(platform.ContentViewSet):
"""
<!-- User-facing documentation, rendered as html-->
PythonPackageContent represents each individually installable Python package. In the Python
ecosystem, this is called a <i>Python Distribution</i>, sometimes (ambiguously) refered to as a
package. In Pulp Python, we refer to it as <i>PythonPackageContent</i>. Each
PythonPackageContent corresponds to a single filename, for example
`pulpcore-3.0.0rc1-py3-none-any.whl` or `pulpcore-3.0.0rc1.tar.gz`.
"""
endpoint_name = 'packages'
queryset = python_models.PythonPackageContent.objects.all()
serializer_class = python_serializers.PythonPackageContentSerializer
minimal_serializer_class = python_serializers.MinimalPythonPackageContentSerializer
filterset_class = PythonPackageContentFilter
class PythonOneShotUploadViewSet(viewsets.ViewSet):
"""
ViewSet for OneShotUpload
"""
endpoint_name = 'upload'
serializer_class = python_serializers.PythonOneShotUploadSerializer
def create(self, request):
"""
<!-- User-facing documentation, rendered as html-->
This endpoint is part of the <a href="workflows/upload.html">Upload workflow.</a> Create
a PythonPackageContent here by specifying an uploaded Artifact. `pulp-python` will inspect
parse the metadata directly from the file.
"""
try:
artifact = Artifact.init_and_validate(request.data['file'])
except KeyError:
raise serializers.ValidationError(detail={'_artifact': _('This field is required')})
try:
filename = request.data['filename']
except KeyError:
raise serializers.ValidationError(detail={'filename': _('This field is required')})
if python_models.PythonPackageContent.objects.filter(filename=filename):
raise serializers.ValidationError(detail={'filename': _('This field must be unique')})
if 'repository' in request.data:
serializer = python_serializers.PythonOneShotUploadSerializer(
data=request.data, context={'request': request})
serializer.is_valid(raise_exception=True)
repository = serializer.validated_data['repository']
repository_pk = repository.pk
else:
repository_pk = None
try:
artifact.save()
except IntegrityError:
artifact = Artifact.objects.get(sha256=artifact.sha256)
result = enqueue_with_reservation(
one_shot_upload,
[artifact],
kwargs={
'artifact_pk': artifact.pk,
'filename': filename,
'repository_pk': repository_pk,
}
)
return platform.OperationPostponedResponse(result, request)
class PythonRemoteFilter(platform.RemoteFilter):
"""
FilterSet for PythonRemote.
"""
class Meta:
model = python_models.PythonRemote
fields = []
class PythonRemoteViewSet(platform.RemoteViewSet):
"""
<!-- User-facing documentation, rendered as html-->
Python Remotes are representations of an <b>external repository</b> of Python content, eg.
PyPI. Fields include upstream repository config. Python Remotes are also used to `sync` from
upstream repositories, and contains sync settings.
"""
endpoint_name = 'python'
queryset = python_models.PythonRemote.objects.all()
serializer_class = python_serializers.PythonRemoteSerializer
filterset_class = PythonRemoteFilter
@swagger_auto_schema(
responses={202: AsyncOperationResponseSerializer}
)
@action(detail=True, methods=('post',), serializer_class=RepositorySyncURLSerializer)
def sync(self, request, pk):
"""
<!-- User-facing documentation, rendered as html-->
Trigger an asynchronous task to sync python content. The sync task will retrieve Python
content from the specified `Remote` and " update the specified `Respository`, creating a
new `RepositoryVersion`.
"""
remote = self.get_object()
serializer = RepositorySyncURLSerializer(
data=request.data,
context={'request': request}
)
serializer.is_valid(raise_exception=True)
repository = serializer.validated_data.get('repository')
mirror = serializer.validated_data.get('mirror')
result = enqueue_with_reservation(
tasks.sync,
[repository, remote],
kwargs={
'remote_pk': remote.pk,
'repository_pk': repository.pk,
'mirror': mirror
}
)
return platform.OperationPostponedResponse(result, request)
class PythonPublicationViewSet(platform.PublicationViewSet):
"""
<!-- User-facing documentation, rendered as html-->
Python Publications refer to the Python Package content in a repository version, and include
metadata about that content.
"""
endpoint_name = 'pypi'
queryset = python_models.PythonPublication.objects.all()
serializer_class = python_serializers.PythonPublicationSerializer
@swagger_auto_schema(
operation_description="Trigger an asynchronous task to publish python content.",
responses={202: AsyncOperationResponseSerializer}
)
def create(self, request):
"""
<!-- User-facing documentation, rendered as html-->
Dispatches a publish task, which generates metadata that will be used by pip.
"""
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
repository_version = serializer.validated_data.get('repository_version')
# Safe because version OR repository is enforced by serializer.
if not repository_version:
repository = serializer.validated_data.get('repository')
repository_version = RepositoryVersion.latest(repository)
result = enqueue_with_reservation(
tasks.publish,
[repository_version.repository],
kwargs={
'repository_version_pk': repository_version.pk
}
)
return platform.OperationPostponedResponse(result, request)