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import schema_salad.schema
import schema_salad.ref_resolver
import logging
import pkg_resources
import logging
import traceback
class CustomFetcher(schema_salad.ref_resolver.DefaultFetcher):
def check_exists(sup, url):
if url.startswith("keep:"):
return True
else:
return super().check_exists(url)
def supported_schemes(self): # type: () -> List[str]
return ["file", "http", "https", "mailto", "keep"]
def qc_metadata(metadatafile):
schema_resource = pkg_resources.resource_stream(__name__, "bh20seq-schema.yml")
cache = {"https://raw.githubusercontent.com/arvados/bh20-seq-resource/master/bh20sequploader/bh20seq-schema.yml": schema_resource.read().decode("utf-8")}
(loader,
avsc_names,
schema_metadata,
metaschema_loader) = schema_salad.schema.load_schema("https://raw.githubusercontent.com/arvados/bh20-seq-resource/master/bh20sequploader/bh20seq-schema.yml", cache=cache)
if not isinstance(avsc_names, schema_salad.avro.schema.Names):
print(avsc_names)
return False
document_loader = schema_salad.ref_resolver.Loader(
loader.ctx,
schemagraph=loader.graph,
foreign_properties=loader.foreign_properties,
idx=loader.idx,
cache=loader.cache,
fetcher_constructor=CustomFetcher,
skip_schemas=loader.skip_schemas,
url_fields=loader.url_fields,
allow_attachments=loader.allow_attachments,
session=loader.session,
)
try:
doc, metadata = schema_salad.schema.load_and_validate(document_loader, avsc_names, metadatafile, True)
return True
except Exception as e:
traceback.print_exc()
logging.warn(e)
return False
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