Updating batchaddmedia to use new metadata tools

This commit is contained in:
Christopher Allan Webber
2014-05-07 18:50:48 -05:00
parent e5e2cc2f16
commit 6fab7734d6
2 changed files with 14 additions and 89 deletions

View File

@@ -15,7 +15,7 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import copy, tempfile, tarfile, zipfile, subprocess, re, requests
import tempfile, tarfile, zipfile, subprocess, requests
from csv import reader as csv_reader
from urlparse import urlparse
from pyld import jsonld
@@ -24,11 +24,9 @@ from mediagoblin.gmg_commands import util as commands_util
from mediagoblin.submit.lib import (
submit_media, get_upload_file_limits,
FileUploadLimit, UserUploadLimit, UserPastUploadLimit)
from mediagoblin.tools.translate import lazy_pass_to_ugettext as _
from mediagoblin.tools.metadata import compact_and_validate
from jsonschema import validate, FormatChecker, draft4_format_checker
from jsonschema.exceptions import ValidationError
from jsonschema.compat import str_types
def parser_setup(subparser):
@@ -126,25 +124,24 @@ zip files and directories"
contents = all_metadata.read()
media_metadata = parse_csv_file(contents)
metadata_context = { 'dcterms':'http://purl.org/dc/terms/',
'xsd': 'http://www.w3.org/2001/XMLSchema#'}
for media_id in media_locations.keys():
files_attempted += 1
file_metadata = media_metadata[media_id]
sanitized_metadata = check_metadata_format(file_metadata)
if sanitized_metadata == {}: continue
file_metadata = media_metadata[media_id]
try:
json_ld_metadata = compact_and_validate(file_metadata)
except ValidationError, exc:
print "Error with '%s' value '%s': %s" % (
media_id, exc.path[0], exc.message)
continue
json_ld_metadata = jsonld.compact(file_metadata, metadata_context)
original_location = media_locations[media_id]['media:original']
url = urlparse(original_location)
title = sanitized_metadata.get('dcterms:title')
description = sanitized_metadata.get('dcterms:description')
title = json_ld_metadata.get('dcterms:title')
description = json_ld_metadata.get('dcterms:description')
# TODO: this isn't the same thing
license = sanitized_metadata.get('dcterms:rights')
license = json_ld_metadata.get('license')
filename = url.path.split()[-1]
if url.scheme == 'http':
@@ -214,75 +211,3 @@ def parse_csv_file(file_contents):
def teardown(temp_files):
for temp_file in temp_files:
subprocess.call(['rm','-r',temp_file])
## Set up the MediaGoblin checker
#
URL_REGEX = re.compile(
r'^[a-z]+://([^/:]+|([0-9]{1,3}\.){3}[0-9]{1,3})(:[0-9]+)?(\/.*)?$',
re.IGNORECASE)
def is_uri(instance):
if not isinstance(instance, str_types):
return True
return URL_REGEX.match(instance)
class DefaultChecker(FormatChecker):
checkers = copy.deepcopy(draft4_format_checker.checkers)
DefaultChecker.checkers[u"uri"] = (is_uri, ())
DEFAULT_CHECKER = DefaultChecker()
def check_metadata_format(metadata_dict):
schema = {
"$schema": "http://json-schema.org/schema#",
"type": "object",
"properties": {
"dcterms:rights": {
"format": "uri",
"type": "string",
},
"dcterms:created": {
}
},
# "required": ["dcterms:title", "media:id"],
}
try:
validate(metadata_dict, schema,
format_checker=DEFAULT_CHECKER)
output_dict = metadata_dict
# "media:id" is only for internal use, so we delete it for the output
del output_dict['media:id']
except ValidationError, exc:
title = (metadata_dict.get('dcterms:title') or
metadata_dict.get('media:id') or _(u'UNKNOWN FILE'))
if exc.validator == "additionalProperties":
message = _(u'Invalid metadata provided for file "{title}". This \
script only accepts the Dublin Core metadata terms.'.format(title=title))
elif exc.validator == "required":
message = _(
u'All necessary metadata was not provided for file "{title}", you must include \
a "dcterms:title" column for each media file'.format(title=title))
else:
message = _(u'Could not find appropriate metadata for file \
"{title}".'.format(title=title))
print _(u"""WARN: {message} \nSkipping File...\n""".format(
message=message))
output_dict = {}
except:
raise
return output_dict