Differential D4277 Diff 15252 swh/web/browse/views/content.py

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swh/web/browse/views/content.py

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from swh.web.browse.utils import (		from swh.web.browse.utils import (
content_display_max_size,		content_display_max_size,
gen_directory_link,		gen_directory_link,
gen_link,		gen_link,
prepare_content_for_display,		prepare_content_for_display,
request_content,		request_content,
)		)
from swh.web.common import archive, highlightjs, query		from swh.web.common import archive, highlightjs, query
from swh.web.common.exc import NotFoundExc, handle_view_exception		from swh.web.common.exc import NotFoundExc
from swh.web.common.identifiers import get_swhids_info		from swh.web.common.identifiers import get_swhids_info
from swh.web.common.typing import ContentMetadata, SWHObjectInfo		from swh.web.common.typing import ContentMetadata, SWHObjectInfo
from swh.web.common.utils import gen_path_info, reverse, swh_object_icons		from swh.web.common.utils import gen_path_info, reverse, swh_object_icons


@browse_route(		@browse_route(
r"content/(?P<query_string>[0-9a-z_:]*[0-9a-f]+.)/raw/",		r"content/(?P<query_string>[0-9a-z_:]*[0-9a-f]+.)/raw/",
view_name="browse-content-raw",		view_name="browse-content-raw",
checksum_args=["query_string"],		checksum_args=["query_string"],
)		)
def content_raw(request, query_string):		def content_raw(request, query_string):
"""Django view that produces a raw display of a content identified		"""Django view that produces a raw display of a content identified
by its hash value.		by its hash value.

The url that points to it is		The url that points to it is
:http:get:`/browse/content/[(algo_hash):](hash)/raw/`		:http:get:`/browse/content/[(algo_hash):](hash)/raw/`
"""		"""
try:
re_encode = bool(strtobool(request.GET.get("re_encode", "false")))		re_encode = bool(strtobool(request.GET.get("re_encode", "false")))
algo, checksum = query.parse_hash(query_string)		algo, checksum = query.parse_hash(query_string)
checksum = hash_to_hex(checksum)		checksum = hash_to_hex(checksum)
content_data = request_content(query_string, max_size=None, re_encode=re_encode)		content_data = request_content(query_string, max_size=None, re_encode=re_encode)
except Exception as exc:
return handle_view_exception(request, exc)

filename = request.GET.get("filename", None)		filename = request.GET.get("filename", None)
if not filename:		if not filename:
filename = "%s_%s" % (algo, checksum)		filename = "%s_%s" % (algo, checksum)

if (		if (
content_data["mimetype"].startswith("text/")		content_data["mimetype"].startswith("text/")
or content_data["mimetype"] == "inode/x-empty"		or content_data["mimetype"] == "inode/x-empty"
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)		)
def content_display(request, query_string):		def content_display(request, query_string):
"""Django view that produces an HTML display of a content identified		"""Django view that produces an HTML display of a content identified
by its hash value.		by its hash value.

The url that points to it is		The url that points to it is
:http:get:`/browse/content/[(algo_hash):](hash)/`		:http:get:`/browse/content/[(algo_hash):](hash)/`
"""		"""
try:
algo, checksum = query.parse_hash(query_string)		algo, checksum = query.parse_hash(query_string)
checksum = hash_to_hex(checksum)		checksum = hash_to_hex(checksum)
content_data = request_content(query_string, raise_if_unavailable=False)		content_data = request_content(query_string, raise_if_unavailable=False)
origin_url = request.GET.get("origin_url")		origin_url = request.GET.get("origin_url")
selected_language = request.GET.get("language")		selected_language = request.GET.get("language")
if not origin_url:		if not origin_url:
origin_url = request.GET.get("origin")		origin_url = request.GET.get("origin")
snapshot_id = request.GET.get("snapshot")		snapshot_id = request.GET.get("snapshot")
path = request.GET.get("path")		path = request.GET.get("path")
snapshot_context = None		snapshot_context = None
if origin_url is not None or snapshot_id is not None:		if origin_url is not None or snapshot_id is not None:
try:		try:
snapshot_context = get_snapshot_context(		snapshot_context = get_snapshot_context(
origin_url=origin_url,		origin_url=origin_url,
snapshot_id=snapshot_id,		snapshot_id=snapshot_id,
branch_name=request.GET.get("branch"),		branch_name=request.GET.get("branch"),
release_name=request.GET.get("release"),		release_name=request.GET.get("release"),
revision_id=request.GET.get("revision"),		revision_id=request.GET.get("revision"),
path=path,		path=path,
browse_context=CONTENT,		browse_context=CONTENT,
)		)
except NotFoundExc as e:		except NotFoundExc as e:
if str(e).startswith("Origin"):		if str(e).startswith("Origin"):
raw_cnt_url = reverse(		raw_cnt_url = reverse(
"browse-content", url_args={"query_string": query_string}		"browse-content", url_args={"query_string": query_string}
)		)
error_message = (		error_message = (
"The Software Heritage archive has a content "		"The Software Heritage archive has a content "
"with the hash you provided but the origin "		"with the hash you provided but the origin "
"mentioned in your request appears broken: %s. "		"mentioned in your request appears broken: %s. "
"Please check the URL and try again.\n\n"		"Please check the URL and try again.\n\n"
"Nevertheless, you can still browse the content "		"Nevertheless, you can still browse the content "
"without origin information: %s"		"without origin information: %s"
% (gen_link(origin_url), gen_link(raw_cnt_url))		% (gen_link(origin_url), gen_link(raw_cnt_url))
)		)
raise NotFoundExc(error_message)		raise NotFoundExc(error_message)
else:		else:
raise e		raise e
except Exception as exc:
return handle_view_exception(request, exc)

content = None		content = None
language = None		language = None
mimetype = None		mimetype = None
if content_data["raw_data"] is not None:		if content_data["raw_data"] is not None:
content_display_data = prepare_content_for_display(		content_display_data = prepare_content_for_display(
content_data["raw_data"], content_data["mimetype"], path		content_data["raw_data"], content_data["mimetype"], path
)		)
content = content_display_data["content_data"]		content = content_display_data["content_data"]
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"browse-directory",		"browse-directory",
url_args={"sha1_git": root_dir},		url_args={"sha1_git": root_dir},
query_params=query_params,		query_params=query_params,
)		)
breadcrumbs.append({"name": pi["name"], "url": dir_url})		breadcrumbs.append({"name": pi["name"], "url": dir_url})
breadcrumbs.append({"name": filename, "url": None})		breadcrumbs.append({"name": filename, "url": None})

if path and root_dir != path:		if path and root_dir != path:
try:
dir_info = archive.lookup_directory_with_path(root_dir, path)		dir_info = archive.lookup_directory_with_path(root_dir, path)
directory_id = dir_info["target"]		directory_id = dir_info["target"]
except Exception as exc:
return handle_view_exception(request, exc)
elif root_dir != path:		elif root_dir != path:
directory_id = root_dir		directory_id = root_dir
else:		else:
root_dir = None		root_dir = None

if directory_id:		if directory_id:
directory_url = gen_directory_link(directory_id)		directory_url = gen_directory_link(directory_id)

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