Differential D2582 Diff 9242 swh/web/common/utils.py

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swh/web/common/utils.py

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from django.urls import reverse as django_reverse		from django.urls import reverse as django_reverse
from django.http import QueryDict, HttpRequest		from django.http import QueryDict, HttpRequest

from prometheus_client.registry import CollectorRegistry		from prometheus_client.registry import CollectorRegistry

from rest_framework.authentication import SessionAuthentication		from rest_framework.authentication import SessionAuthentication

from swh.model.exceptions import ValidationError		from swh.model.exceptions import ValidationError
		from swh.model.hashutil import hash_to_bytes
from swh.model.identifiers import (		from swh.model.identifiers import (
persistent_identifier, parse_persistent_identifier,		persistent_identifier, parse_persistent_identifier,
CONTENT, DIRECTORY, ORIGIN, RELEASE, REVISION, SNAPSHOT		CONTENT, DIRECTORY, ORIGIN, RELEASE, REVISION, SNAPSHOT
)		)

from swh.web.common.exc import BadInputExc		from swh.web.common.exc import BadInputExc
from swh.web.config import get_config		from swh.web.config import get_config

▲ Show 20 Lines • Show All 207 Lines • ▼ Show 20 Lines	Args:
query parameters to append to the browse url		query parameters to append to the browse url

Returns:		Returns:
dict: a dict with the following keys:		dict: a dict with the following keys:

* swh_id_parsed (swh.model.identifiers.PersistentId):		* swh_id_parsed (swh.model.identifiers.PersistentId):
the parsed identifier		the parsed identifier
* browse_url (str): the url for browsing the pointed object		* browse_url (str): the url for browsing the pointed object

Raises:
BadInputExc: if the provided identifier can not be parsed
"""		"""
try:		swh_id_parsed = get_persistent_identifier(swh_id)
swh_id_parsed = parse_persistent_identifier(swh_id)
object_type = swh_id_parsed.object_type		object_type = swh_id_parsed.object_type
object_id = swh_id_parsed.object_id		object_id = swh_id_parsed.object_id
browse_url = None		browse_url = None
query_dict = QueryDict('', mutable=True)		query_dict = QueryDict('', mutable=True)
if query_params and len(query_params) > 0:		if query_params and len(query_params) > 0:
for k in sorted(query_params.keys()):		for k in sorted(query_params.keys()):
query_dict[k] = query_params[k]		query_dict[k] = query_params[k]
if 'origin' in swh_id_parsed.metadata:		if 'origin' in swh_id_parsed.metadata:
query_dict['origin'] = swh_id_parsed.metadata['origin']		query_dict['origin'] = swh_id_parsed.metadata['origin']
if object_type == CONTENT:		if object_type == CONTENT:
query_string = 'sha1_git:' + object_id		query_string = 'sha1_git:' + object_id
fragment = ''		fragment = ''
if 'lines' in swh_id_parsed.metadata:		if 'lines' in swh_id_parsed.metadata:
lines = swh_id_parsed.metadata['lines'].split('-')		lines = swh_id_parsed.metadata['lines'].split('-')
fragment += '#L' + lines[0]		fragment += '#L' + lines[0]
if len(lines) > 1:		if len(lines) > 1:
fragment += '-L' + lines[1]		fragment += '-L' + lines[1]
browse_url = reverse('browse-content',		browse_url = reverse('browse-content',
url_args={'query_string': query_string},		url_args={'query_string': query_string},
query_params=query_dict) + fragment		query_params=query_dict) + fragment
elif object_type == DIRECTORY:		elif object_type == DIRECTORY:
browse_url = reverse('browse-directory',		browse_url = reverse('browse-directory',
url_args={'sha1_git': object_id},		url_args={'sha1_git': object_id},
query_params=query_dict)		query_params=query_dict)
elif object_type == RELEASE:		elif object_type == RELEASE:
browse_url = reverse('browse-release',		browse_url = reverse('browse-release',
url_args={'sha1_git': object_id},		url_args={'sha1_git': object_id},
query_params=query_dict)		query_params=query_dict)
elif object_type == REVISION:		elif object_type == REVISION:
browse_url = reverse('browse-revision',		browse_url = reverse('browse-revision',
url_args={'sha1_git': object_id},		url_args={'sha1_git': object_id},
query_params=query_dict)		query_params=query_dict)
elif object_type == SNAPSHOT:		elif object_type == SNAPSHOT:
browse_url = reverse('browse-snapshot',		browse_url = reverse('browse-snapshot',
url_args={'snapshot_id': object_id},		url_args={'snapshot_id': object_id},
query_params=query_dict)		query_params=query_dict)
elif object_type == ORIGIN:		elif object_type == ORIGIN:
raise BadInputExc(('Origin PIDs (Persistent Identifiers) are not '		raise BadInputExc(('Origin PIDs (Persistent Identifiers) are not '
'publicly resolvable because they are for '		'publicly resolvable because they are for '
'internal usage only'))		'internal usage only'))
except ValidationError as ve:
raise BadInputExc('Error when parsing identifier. %s' %
' '.join(ve.messages))
else:
return {'swh_id_parsed': swh_id_parsed,		return {'swh_id_parsed': swh_id_parsed,
'browse_url': browse_url}		'browse_url': browse_url}


def parse_rst(text, report_level=2):		def parse_rst(text, report_level=2):
"""		"""
Parse a reStructuredText string with docutils.		Parse a reStructuredText string with docutils.

Args:		Args:
text (str): string with reStructuredText markups in it		text (str): string with reStructuredText markups in it
▲ Show 20 Lines • Show All 74 Lines • ▼ Show 20 Lines	while branch and branch['target_type'] == 'alias':
snp = service.lookup_snapshot(		snp = service.lookup_snapshot(
snapshot['id'], branches_from=branch['target'],		snapshot['id'], branches_from=branch['target'],
branches_count=1)		branches_count=1)
if snp and branch['target'] in snp['branches']:		if snp and branch['target'] in snp['branches']:
branch = snp['branches'][branch['target']]		branch = snp['branches'][branch['target']]
else:		else:
branch = None		branch = None
return branch		return branch


		def get_persistent_identifier(persistent_id):
		"""Check if a persistent identifier is valid.

		Args:
		persistent_id: A string representing a Software Heritage
		persistent identifier.

		Raises:
		BadInputExc: if the provided persistent identifier can
		not be parsed.

		Return:
		zackUnsubmitted Not Done Inline Actions the indentation of the dictionary keys do not look right here zack: the indentation of the dictionary keys do not look right here
		A persistent identifier object.
		"""
		try:
		pid_object = parse_persistent_identifier(persistent_id)
		except ValidationError as ve:
		raise BadInputExc('Error when parsing identifier: %s' %
		' '.join(ve.messages))
		else:
		return pid_object


		def group_swh_persistent_identifiers(persistent_ids):
		"""
		Groups many Software Heritage persistent identifiers into a
		dictionary depending on their type.

		Args:
		persistent_ids (list): a list of Software Heritage persistent
		identifier objects

		Returns:
		vlorentzUnsubmitted Not Done Inline Actions You should add a small wrapper around `parse_persistent_identifier` to handle the error, that can be shared with `resolve_swh_persistent_id`. vlorentz: You should add a small wrapper around `parse_persistent_identifier` to handle the error, that…
		A dictionary with:
		keys: persistent identifier types
		values: list(bytes) persistent identifiers id

		Raises:
		BadInputExc: if one of the provided persistent identifier can
		not be parsed.
		"""
		pids_by_type = {
		CONTENT: [],
		DIRECTORY: [],
		REVISION: [],
		RELEASE: [],
		SNAPSHOT: []
		}

		for pid in persistent_ids:
		obj_id = pid.object_id
		obj_type = pid.object_type
		pids_by_type[obj_type].append(hash_to_bytes(obj_id))

		return pids_by_type