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util.py
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util.py
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import datetime
import enum
import functools
import logging
import urllib.parse
import falcon
import cnudie.iter
import cnudie.retrieve
import oci.model as om
import ocm
import middleware.auth
logger = logging.getLogger(__name__)
@middleware.auth.noauth
class Ready:
def on_get(self, req, resp: falcon.Response):
resp.status = falcon.HTTP_200
@functools.cache
def normalise_url_to_second_and_tld(url: str):
if '://' not in url:
url = 'x://' + url
hostname = urllib.parse.urlparse(url).hostname
parts = hostname.strip('.').split('.')
if parts[0] == 'api':
parts = parts[1:]
# hack: discard `api` subdomain (specific to github.com)
return '.'.join(parts).lower()
def dict_factory_enum_name_serialisiation(data):
def convert_value(obj):
if isinstance(obj, enum.Enum):
return obj.name
return obj
return dict((k, convert_value(v)) for k, v in data)
def dict_factory_date_serialisiation(data):
def convert_value(obj):
if isinstance(obj, datetime.date):
return obj.isoformat()
return obj
return dict((k, convert_value(v)) for k, v in data)
def retrieve_component_descriptor(
component_id: ocm.ComponentIdentity,
/,
component_descriptor_lookup: cnudie.retrieve.ComponentDescriptorLookupById,
ctx_repo: ocm.OcmRepository=None,
) -> ocm.ComponentDescriptor:
try:
return component_descriptor_lookup(
component_id,
ctx_repo=ctx_repo,
)
except om.OciImageNotFoundException as e:
err_str = f'component descriptor "{component_id.name}" in version "' \
f'{component_id.version}" not found in {ctx_repo=}'
logger.debug(err_str)
raise falcon.HTTPNotFound(
title='component descriptor not found',
description=err_str,
) from e
def artefact_node_to_str(
artefact_node: cnudie.iter.Node | cnudie.iter.ArtefactNode,
) -> str:
component_id = artefact_node.component.identity()
if isinstance(artefact_node, cnudie.iter.SourceNode):
artefact_id = artefact_node.artefact.identity(peers=artefact_node.component.sources)
else:
artefact_id = artefact_node.artefact.identity(peers=artefact_node.component.resources)
return f'{component_id.name}:{component_id.version}_{artefact_id}'
def get_enum_value_or_raise(
value: object,
enum_type: type,
):
try:
return enum_type(value)
except ValueError:
raise falcon.HTTPBadRequest(title=(
f'bad value for {enum_type=}: {value=}. '
f'allowed values: {[val.value for val in enum_type]}'
))