def get_location_from_path(path):
"""
Generate an AssetKey for the given path (old c4x/org/course/asset/name syntax)
"""
try:
return AssetKey.from_string(path)
except InvalidKeyError:
# TODO - re-address this once LMS-11198 is tackled.
if path.startswith('/'):
# try stripping off the leading slash and try again
return AssetKey.from_string(path[1:])
def get_location_from_path(path):
"""
Generate an AssetKey for the given path (old c4x/org/course/asset/name syntax)
"""
try:
return AssetKey.from_string(path)
except InvalidKeyError:
# TODO - re-address this once LMS-11198 is tackled.
if path.startswith('/'):
# try stripping off the leading slash and try again
return AssetKey.from_string(path[1:])
def from_xml(self, node):
"""
Walk the etree XML node and fill in the asset metadata.
The node should be a top-level "asset" element.
"""
for child in node:
qname = etree.QName(child)
tag = qname.localname
if tag in self.ALL_ATTRS:
value = child.text
if tag == 'asset_id':
# Locator.
value = AssetKey.from_string(value)
elif tag == 'locked':
# Boolean.
value = True if value == "true" else False
elif tag in ('created_on', 'edited_on'):
# ISO datetime.
value = dateutil.parser.parse(value)
elif tag in ('created_by', 'edited_by'):
# Integer representing user id.
value = int(value)
elif tag == 'fields':
# Dictionary.
value = json.loads(value)
elif value == 'None':
# None.
value = None
setattr(self, tag, value)
def from_xml(self, node):
"""
Walk the etree XML node and fill in the asset metadata.
The node should be a top-level "asset" element.
"""
for child in node:
qname = etree.QName(child)
tag = qname.localname
if tag in self.ALL_ATTRS:
value = child.text
if tag == 'asset_id':
# Locator.
value = AssetKey.from_string(value)
elif tag == 'locked':
# Boolean.
value = True if value == "true" else False
elif tag in ('created_on', 'edited_on'):
# ISO datetime.
value = dateutil.parser.parse(value)
elif tag in ('created_by', 'edited_by'):
# Integer representing user id.
value = int(value)
elif tag == 'fields':
# Dictionary.
value = json.loads(value)
elif value == 'None':
# None.
value = None
setattr(self, tag, value)
def copy_all_course_assets(self, source_course_key, dest_course_key):
"""
See :meth:`.ContentStore.copy_all_course_assets`
This implementation fairly expensively copies all of the data
"""
source_query = query_for_course(source_course_key)
# it'd be great to figure out how to do all of this on the db server and not pull the bits over
for asset in self.fs_files.find(source_query):
asset_key = self.make_id_son(asset)
# don't convert from string until fs access
source_content = self.fs.get(asset_key)
if isinstance(asset_key, str):
asset_key = AssetKey.from_string(asset_key)
__, asset_key = self.asset_db_key(asset_key)
# Need to replace dict IDs with SON for chunk lookup to work under Python 3
# because field order can be different and mongo cares about the order
if isinstance(source_content._id, dict): # lint-amnesty, pylint: disable=protected-access
source_content._file['_id'] = asset_key.copy() # lint-amnesty, pylint: disable=protected-access
asset_key['org'] = dest_course_key.org
asset_key['course'] = dest_course_key.course
if getattr(dest_course_key, 'deprecated', False): # remove the run if exists
if 'run' in asset_key:
del asset_key['run']
asset_id = asset_key
else: # add the run, since it's the last field, we're golden
asset_key['run'] = dest_course_key.run
asset_id = str(
dest_course_key.make_asset_key(asset_key['category'], asset_key['name']).for_branch(None)
)
try:
self.create_asset(source_content, asset_id, asset, asset_key)
except FileExists:
self.fs.delete(file_id=asset_id)
self.create_asset(source_content, asset_id, asset, asset_key)
def get_asset_key_from_path(course_key, path):
"""
Parses a path, extracting an asset key or creating one.
Args:
course_key: key to the course which owns this asset
path: the path to said content
Returns:
AssetKey: the asset key that represents the path
"""
# Clean up the path, removing any static prefix and any leading slash.
if path.startswith('/static/'):
path = path[len('/static/'):]
# Old-style asset keys start with `/`, so don't try and strip it
# in that case.
if not path.startswith('/c4x'):
path = path.lstrip('/')
try:
return AssetKey.from_string(path)
except InvalidKeyError:
# If we couldn't parse the path, just let compute_location figure it out.
# It's most likely a path like /image.png or something.
return StaticContent.compute_location(course_key, path)
def test_can_delete_signatory(self, signatory_path):
"""
Delete an existing certificate signatory
"""
self._add_course_certificates(count=2, signatory_count=3, asset_path_format=signatory_path)
certificates = self.course.certificates['certificates']
signatory = certificates[1].get("signatories")[1]
image_asset_location = AssetKey.from_string(signatory['signature_image_path'])
content = contentstore().find(image_asset_location)
self.assertIsNotNone(content)
test_url = '{}/signatories/1'.format(self._url(cid=1))
response = self.client.delete(
test_url,
content_type="application/json",
HTTP_ACCEPT="application/json",
HTTP_X_REQUESTED_WITH="XMLHttpRequest",
)
self.assertEqual(response.status_code, 204)
self.reload_course()
# Verify that certificates are properly updated in the course.
certificates = self.course.certificates['certificates']
self.assertEqual(len(certificates[1].get("signatories")), 2)
# make sure signatory signature image is deleted too
self.assertRaises(NotFoundError, contentstore().find, image_asset_location)
def test_can_delete_signatory(self, signatory_path):
"""
Delete an existing certificate signatory
"""
self._add_course_certificates(count=2,
signatory_count=3,
asset_path_format=signatory_path)
certificates = self.course.certificates['certificates']
signatory = certificates[1].get("signatories")[1]
image_asset_location = AssetKey.from_string(
signatory['signature_image_path'])
content = contentstore().find(image_asset_location)
self.assertIsNotNone(content)
test_url = '{}/signatories/1'.format(self._url(cid=1))
response = self.client.delete(
test_url,
content_type="application/json",
HTTP_ACCEPT="application/json",
HTTP_X_REQUESTED_WITH="XMLHttpRequest",
)
self.assertEqual(response.status_code, 204)
self.reload_course()
# Verify that certificates are properly updated in the course.
certificates = self.course.certificates['certificates']
self.assertEqual(len(certificates[1].get("signatories")), 2)
# make sure signatory signature image is deleted too
self.assertRaises(NotFoundError,
contentstore().find, image_asset_location)
def get_asset_key_from_path(course_key, path):
"""
Parses a path, extracting an asset key or creating one.
Args:
course_key: key to the course which owns this asset
path: the path to said content
Returns:
AssetKey: the asset key that represents the path
"""
# Clean up the path, removing any static prefix and any leading slash.
if path.startswith('/static/'):
path = path[len('/static/'):]
# Old-style asset keys start with `/`, so don't try and strip it
# in that case.
if not path.startswith('/c4x'):
path = path.lstrip('/')
try:
return AssetKey.from_string(path)
except InvalidKeyError:
# If we couldn't parse the path, just let compute_location figure it out.
# It's most likely a path like /image.png or something.
return StaticContent.compute_location(course_key, path)
def test_delete_image_type_asset(self):
""" Tests deletion of image type asset """
image_asset = self.get_sample_asset(self.asset_name, asset_type="image")
thumbnail_image_asset = self.get_sample_asset('delete_test_thumbnail', asset_type="image")
# upload image
response = self.client.post(self.url, {"name": "delete_image_test", "file": image_asset})
self.assertEquals(response.status_code, 200)
uploaded_image_url = json.loads(response.content)['asset']['url']
# upload image thumbnail
response = self.client.post(self.url, {"name": "delete_image_thumb_test", "file": thumbnail_image_asset})
self.assertEquals(response.status_code, 200)
thumbnail_url = json.loads(response.content)['asset']['url']
thumbnail_location = StaticContent.get_location_from_path(thumbnail_url)
image_asset_location = AssetKey.from_string(uploaded_image_url)
content = contentstore().find(image_asset_location)
content.thumbnail_location = thumbnail_location
contentstore().save(content)
with mock.patch('opaque_keys.edx.locator.CourseLocator.make_asset_key') as mock_asset_key:
mock_asset_key.return_value = thumbnail_location
test_url = reverse_course_url(
'assets_handler', self.course.id, kwargs={'asset_key_string': six.text_type(uploaded_image_url)})
resp = self.client.delete(test_url, HTTP_ACCEPT="application/json")
self.assertEquals(resp.status_code, 204)
def test_asset_with_special_character(self, paths):
for path in paths:
asset_locator = AssetKey.from_string(path)
self.assertEquals(
path,
unicode(asset_locator),
)
def _create_fake_images(self, asset_keys):
"""
Creates fake image files for a list of asset_keys.
"""
for asset_key_string in asset_keys:
asset_key = AssetKey.from_string(asset_key_string)
content = StaticContent(asset_key, "Fake asset", "image/png", "data")
contentstore().save(content)
def editorjs_handler(request, course_key_string=None, asset_key_string=None):
'''
The restful handler for assets.
It allows retrieval of all the assets (as an HTML page), as well as uploading new assets,
deleting assets, and changing the 'locked' state of an asset.
GET
html: return an html page which will show all course assets. Note that only the asset container
is returned and that the actual assets are filled in with a client-side request.
json: returns a page of assets. The following parameters are supported:
page: the desired page of results (defaults to 0)
page_size: the number of items per page (defaults to 50)
sort: the asset field to sort by (defaults to 'date_added')
direction: the sort direction (defaults to 'descending')
asset_type: the file type to filter items to (defaults to All)
text_search: string to filter results by file name (defaults to '')
POST
json: create (or update?) an asset. The only updating that can be done is changing the lock state.
PUT
json: update the locked state of an asset
DELETE
json: delete an asset
'''
course_key = CourseKey.from_string(course_key_string)
if not has_course_author_access(request.user, course_key):
raise PermissionDenied()
response_format = _get_response_format(request)
if _request_response_format_is_json(request, response_format):
if request.method == 'GET':
if request.method == 'GET' and request.GET.get('url'):
url = request.GET['url']
return JsonResponse({
"success": 1,
"meta": {
'url': url,
'display_name': url,
'content_type': url,
'date_added': url,
'asset_url': url,
'external_url': url,
'portable_url': url,
'thumbnail': url,
'locked': url,
'id': url
}
})
else:
return _assets_json(request, course_key)
asset_key = AssetKey.from_string(
asset_key_string) if asset_key_string else None
return _update_asset(request, course_key, asset_key)
elif request.method == 'GET': # assume html
return _asset_index(request, course_key)
return HttpResponseNotFound()
def test_replace(self):
asset_key = AssetKey.from_string('/c4x/o/c/asset/path')
self.assertEquals(
'foo',
asset_key.replace(path='foo').path
)
self.assertEquals(
'bar',
asset_key.replace(asset_type='bar').asset_type
)
def _create_fake_images(self, asset_keys):
"""
Creates fake image files for a list of asset_keys.
"""
for asset_key_string in asset_keys:
asset_key = AssetKey.from_string(asset_key_string)
content = StaticContent(
asset_key, "Fake asset", "image/png", "data",
)
contentstore().save(content)
def get_course_ids_from_link(link):
"""
Get course Ids from link.
Arguments:
link(str): The link to extract course id from.
Returns:
Course Ids
"""
asset_str = link.partition('asset-v1')[1] + link.partition('asset-v1')[2]
return AssetKey.from_string(asset_str).course_key
def get_course_ids_from_link(link):
"""
Get course Ids from link.
Arguments:
link(str): The link to extract course id from.
Returns:
Course Ids
"""
asset_str = link.partition('asset-v1')[1] + link.partition('asset-v1')[2]
return AssetKey.from_string(asset_str).course_key
def check_asset_key(match_obj):
"""
If this URL's path part is an AssetKey from the same course, rewrite it.
"""
try:
asset_key = AssetKey.from_string(
match_obj.group('maybe_asset_key'))
except InvalidKeyError:
return match_obj.group(0) # Not an asset key; do not rewrite
if asset_key.course_key == course_id:
return '/static/' + asset_key.path # Rewrite this to portable form
else:
return match_obj.group(
0) # From a different course; do not rewrite
def setUp(self):
""" Scaffolding """
super(DeleteAssetTestCase, self).setUp()
self.url = reverse_course_url('assets_handler', self.course.id)
# First, upload something.
self.asset_name = 'delete_test'
self.asset = self.get_sample_asset(self.asset_name)
response = self.client.post(self.url, {"name": self.asset_name, "file": self.asset})
self.assertEquals(response.status_code, 200)
self.uploaded_url = json.loads(response.content)['asset']['url']
self.asset_location = AssetKey.from_string(self.uploaded_url)
self.content = contentstore().find(self.asset_location)
def _delete_asset(course_key, asset_key_string):
"""
Internal method used to create asset key from string and
remove asset by calling delete_asset method of assets module.
"""
if asset_key_string:
try:
asset_key = AssetKey.from_string(asset_key_string)
except InvalidKeyError:
# remove first slash in asset path
# otherwise it generates InvalidKeyError in case of split modulestore
if '/' == asset_key_string[0]:
asset_key_string = asset_key_string[1:]
try:
asset_key = AssetKey.from_string(asset_key_string)
except InvalidKeyError:
# Unable to parse the asset key, log and return
LOGGER.info(
"In course %r, unable to parse asset key %r, not attempting to delete signatory.",
course_key,
asset_key_string,
)
return
else:
# Unable to parse the asset key, log and return
LOGGER.info(
"In course %r, unable to parse asset key %r, not attempting to delete signatory.",
course_key,
asset_key_string,
)
return
try:
delete_asset(course_key, asset_key)
# If the asset was not found, it doesn't have to be deleted...
except AssetNotFoundException:
pass
def _delete_asset(course_key, asset_key_string):
"""
Internal method used to create asset key from string and
remove asset by calling delete_asset method of assets module.
"""
if asset_key_string:
try:
asset_key = AssetKey.from_string(asset_key_string)
except InvalidKeyError:
# remove first slash in asset path
# otherwise it generates InvalidKeyError in case of split modulestore
if '/' == asset_key_string[0]:
asset_key_string = asset_key_string[1:]
try:
asset_key = AssetKey.from_string(asset_key_string)
except InvalidKeyError:
# Unable to parse the asset key, log and return
LOGGER.info(
"In course %r, unable to parse asset key %r, not attempting to delete signatory.",
course_key,
asset_key_string,
)
return
else:
# Unable to parse the asset key, log and return
LOGGER.info(
"In course %r, unable to parse asset key %r, not attempting to delete signatory.",
course_key,
asset_key_string,
)
return
try:
delete_asset(course_key, asset_key)
# If the asset was not found, it doesn't have to be deleted...
except AssetNotFoundException:
pass
def _delete_asset(course_key, asset_key_string):
"""
Internal method used to create asset key from string and
remove asset by calling delete_asset method of assets module.
"""
if asset_key_string:
# remove first slash in asset path
# otherwise it generates InvalidKeyError in case of split modulestore
if '/' == asset_key_string[0]:
asset_key_string = asset_key_string[1:]
asset_key = AssetKey.from_string(asset_key_string)
try:
delete_asset(course_key, asset_key)
# If the asset was not found, it doesn't have to be deleted...
except AssetNotFoundException:
pass
def _delete_asset(course_key, asset_key_string):
"""
Internal method used to create asset key from string and
remove asset by calling delete_asset method of assets module.
"""
if asset_key_string:
# remove first slash in asset path
# otherwise it generates InvalidKeyError in case of split modulestore
if '/' == asset_key_string[0]:
asset_key_string = asset_key_string[1:]
asset_key = AssetKey.from_string(asset_key_string)
try:
delete_asset(course_key, asset_key)
# If the asset was not found, it doesn't have to be deleted...
except AssetNotFoundException:
pass
def copy_all_course_assets(self, source_course_key, dest_course_key):
"""
See :meth:`.ContentStore.copy_all_course_assets`
This implementation fairly expensively copies all of the data
"""
source_query = query_for_course(source_course_key)
# it'd be great to figure out how to do all of this on the db server and not pull the bits over
for asset in self.fs_files.find(source_query):
asset_key = self.make_id_son(asset)
# don't convert from string until fs access
source_content = self.fs.get(asset_key)
if isinstance(asset_key, six.string_types):
asset_key = AssetKey.from_string(asset_key)
__, asset_key = self.asset_db_key(asset_key)
# Need to replace dict IDs with SON for chunk lookup to work under Python 3
# because field order can be different and mongo cares about the order
if isinstance(source_content._id, dict):
source_content._file['_id'] = asset_key.copy()
asset_key['org'] = dest_course_key.org
asset_key['course'] = dest_course_key.course
if getattr(dest_course_key, 'deprecated',
False): # remove the run if exists
if 'run' in asset_key:
del asset_key['run']
asset_id = asset_key
else: # add the run, since it's the last field, we're golden
asset_key['run'] = dest_course_key.run
asset_id = six.text_type(
dest_course_key.make_asset_key(
asset_key['category'],
asset_key['name']).for_branch(None))
self.fs.put(
source_content.read(),
_id=asset_id,
filename=asset['filename'],
content_type=asset['contentType'],
displayname=asset['displayname'],
content_son=asset_key,
# thumbnail is not technically correct but will be functionally correct as the code
# only looks at the name which is not course relative.
thumbnail_location=asset['thumbnail_location'],
import_path=asset['import_path'],
# getattr b/c caching may mean some pickled instances don't have attr
locked=asset.get('locked', False))
def test_get_all_content(self, deprecated):
"""
Test get_all_content_for_course
"""
self.set_up_assets(deprecated)
course1_assets, count = self.contentstore.get_all_content_for_course(self.course1_key)
self.assertEqual(count, len(self.course1_files), course1_assets)
for asset in course1_assets:
parsed = AssetKey.from_string(asset['filename'])
self.assertIn(parsed.block_id, self.course1_files)
course1_assets, __ = self.contentstore.get_all_content_for_course(self.course1_key, 1, 1)
self.assertEqual(len(course1_assets), 1, course1_assets)
fake_course = CourseLocator('test', 'fake', 'non')
course_assets, count = self.contentstore.get_all_content_for_course(fake_course)
self.assertEqual(count, 0)
self.assertEqual(course_assets, [])
def test_get_all_content(self, deprecated):
"""
Test get_all_content_for_course
"""
self.set_up_assets(deprecated)
course1_assets, count = self.contentstore.get_all_content_for_course(self.course1_key)
self.assertEqual(count, len(self.course1_files), course1_assets)
for asset in course1_assets:
parsed = AssetKey.from_string(asset['filename'])
self.assertIn(parsed.name, self.course1_files)
course1_assets, __ = self.contentstore.get_all_content_for_course(self.course1_key, 1, 1)
self.assertEqual(len(course1_assets), 1, course1_assets)
fake_course = CourseLocator('test', 'fake', 'non')
course_assets, count = self.contentstore.get_all_content_for_course(fake_course)
self.assertEqual(count, 0)
self.assertEqual(course_assets, [])
def copy_all_course_assets(self, source_course_key, dest_course_key):
"""
See :meth:`.ContentStore.copy_all_course_assets`
This implementation fairly expensively copies all of the data
"""
source_query = query_for_course(source_course_key)
# it'd be great to figure out how to do all of this on the db server and not pull the bits over
for asset in self.fs_files.find(source_query):
asset_key = self.make_id_son(asset)
# don't convert from string until fs access
source_content = self.fs.get(asset_key)
if isinstance(asset_key, basestring):
asset_key = AssetKey.from_string(asset_key)
__, asset_key = self.asset_db_key(asset_key)
asset_key["org"] = dest_course_key.org
asset_key["course"] = dest_course_key.course
if getattr(dest_course_key, "deprecated", False): # remove the run if exists
if "run" in asset_key:
del asset_key["run"]
asset_id = asset_key
else: # add the run, since it's the last field, we're golden
asset_key["run"] = dest_course_key.run
asset_id = unicode(
dest_course_key.make_asset_key(asset_key["category"], asset_key["name"]).for_branch(None)
)
self.fs.put(
source_content.read(),
_id=asset_id,
filename=asset["filename"],
content_type=asset["contentType"],
displayname=asset["displayname"],
content_son=asset_key,
# thumbnail is not technically correct but will be functionally correct as the code
# only looks at the name which is not course relative.
thumbnail_location=asset["thumbnail_location"],
import_path=asset["import_path"],
# getattr b/c caching may mean some pickled instances don't have attr
locked=asset.get("locked", False),
)
def test_pdf_asset(self):
module_store = modulestore()
course_items = import_course_from_xml(
module_store,
self.user.id,
TEST_DATA_DIR, ['toy'],
static_content_store=contentstore(),
verbose=True)
course = course_items[0]
url = reverse_course_url('assets_handler', course.id)
# Test valid contentType for pdf asset (textbook.pdf)
resp = self.client.get(url, HTTP_ACCEPT='application/json')
self.assertContains(resp, "/c4x/edX/toy/asset/textbook.pdf")
asset_location = AssetKey.from_string(
'/c4x/edX/toy/asset/textbook.pdf')
content = contentstore().find(asset_location)
# Check after import textbook.pdf has valid contentType ('application/pdf')
# Note: Actual contentType for textbook.pdf in asset.json is 'text/pdf'
self.assertEqual(content.content_type, 'application/pdf')
def test_get_all_content(self, deprecated):
"""
Test get_all_content_for_course
"""
self.set_up_assets(deprecated)
course1_assets, count = self.contentstore.get_all_content_for_course(
self.course1_key)
assert count == len(self.course1_files), course1_assets
for asset in course1_assets:
parsed = AssetKey.from_string(asset['filename'])
assert parsed.block_id in self.course1_files
course1_assets, __ = self.contentstore.get_all_content_for_course(
self.course1_key, 1, 1)
assert len(course1_assets) == 1, course1_assets
fake_course = CourseLocator('test', 'fake', 'non')
course_assets, count = self.contentstore.get_all_content_for_course(
fake_course)
assert count == 0
assert course_assets == []
def assets_handler(request, course_key_string=None, asset_key_string=None):
'''
The restful handler for assets.
It allows retrieval of all the assets (as an HTML page), as well as uploading new assets,
deleting assets, and changing the 'locked' state of an asset.
GET
html: return an html page which will show all course assets. Note that only the asset container
is returned and that the actual assets are filled in with a client-side request.
json: returns a page of assets. The following parameters are supported:
page: the desired page of results (defaults to 0)
page_size: the number of items per page (defaults to 50)
sort: the asset field to sort by (defaults to 'date_added')
direction: the sort direction (defaults to 'descending')
asset_type: the file type to filter items to (defaults to All)
text_search: string to filter results by file name (defaults to '')
POST
json: create (or update?) an asset. The only updating that can be done is changing the lock state.
PUT
json: update the locked state of an asset
DELETE
json: delete an asset
'''
course_key = CourseKey.from_string(course_key_string)
if not has_course_author_access(request.user, course_key):
raise PermissionDenied()
response_format = _get_response_format(request)
if _request_response_format_is_json(request, response_format):
if request.method == 'GET':
return _assets_json(request, course_key)
asset_key = AssetKey.from_string(asset_key_string) if asset_key_string else None
return _update_asset(request, course_key, asset_key)
elif request.method == 'GET': # assume html
return _asset_index(request, course_key)
return HttpResponseNotFound()
def assets_handler(request, course_key_string=None, asset_key_string=None):
"""
The restful handler for assets.
It allows retrieval of all the assets (as an HTML page), as well as uploading new assets,
deleting assets, and changing the "locked" state of an asset.
GET
html: return an html page which will show all course assets. Note that only the asset container
is returned and that the actual assets are filled in with a client-side request.
json: returns a page of assets. The following parameters are supported:
page: the desired page of results (defaults to 0)
page_size: the number of items per page (defaults to 50)
sort: the asset field to sort by (defaults to "date_added")
direction: the sort direction (defaults to "descending")
POST
json: create (or update?) an asset. The only updating that can be done is changing the lock state.
PUT
json: update the locked state of an asset
DELETE
json: delete an asset
"""
course_key = CourseKey.from_string(course_key_string)
if not has_course_author_access(request.user, course_key):
raise PermissionDenied()
response_format = request.GET.get('format') or request.POST.get(
'format') or 'html'
if response_format == 'json' or 'application/json' in request.META.get(
'HTTP_ACCEPT', 'application/json'):
if request.method == 'GET':
return _assets_json(request, course_key)
else:
asset_key = AssetKey.from_string(
asset_key_string) if asset_key_string else None
return _update_asset(request, course_key, asset_key)
elif request.method == 'GET': # assume html
return _asset_index(request, course_key)
else:
return HttpResponseNotFound()
def assets_handler(request, course_key_string=None, asset_key_string=None):
"""
The restful handler for assets.
It allows retrieval of all the assets (as an HTML page), as well as uploading new assets,
deleting assets, and changing the "locked" state of an asset.
GET
html: return an html page which will show all course assets. Note that only the asset container
is returned and that the actual assets are filled in with a client-side request.
json: returns a page of assets. The following parameters are supported:
page: the desired page of results (defaults to 0)
page_size: the number of items per page (defaults to 50)
sort: the asset field to sort by (defaults to "date_added")
direction: the sort direction (defaults to "descending")
POST
json: create (or update?) an asset. The only updating that can be done is changing the lock state.
PUT
json: update the locked state of an asset
DELETE
json: delete an asset
"""
course_key = CourseKey.from_string(course_key_string)
if not has_course_access(request.user, course_key):
raise PermissionDenied()
response_format = request.REQUEST.get('format', 'html')
if response_format == 'json' or 'application/json' in request.META.get('HTTP_ACCEPT', 'application/json'):
if request.method == 'GET':
return _assets_json(request, course_key)
else:
asset_key = AssetKey.from_string(asset_key_string) if asset_key_string else None
return _update_asset(request, course_key, asset_key)
elif request.method == 'GET': # assume html
return _asset_index(request, course_key)
else:
return HttpResponseNotFound()
"""Returns the deprecated tag for this Location."""
return self.DEPRECATED_TAG
@classmethod
def _from_deprecated_string(cls, serialized):
match = cls.ASSET_URL_RE.match(serialized)
if match is None:
raise InvalidKeyError(cls, serialized)
groups = match.groupdict()
course_key = CourseLocator(groups['org'],
groups['course'],
None,
groups.get('revision', None),
deprecated=True)
return cls(course_key,
groups['category'],
groups['name'],
deprecated=True)
def to_deprecated_list_repr(self):
"""
Thumbnail locations are stored as lists [c4x, org, course, thumbnail, path, None] in contentstore.mongo
That should be the only use of this method, but the method is general enough to provide the pre-opaque
Location fields as an array in the old order with the tag.
"""
return ['c4x', self.org, self.course, self.block_type, self.name, None]
# Register AssetLocator as the deprecated fallback for AssetKey
AssetKey.set_deprecated_fallback(AssetLocator)
def test_replace(self):
asset_key = AssetKey.from_string('/c4x/o/c/asset/path')
self.assertEqual('foo', asset_key.replace(path='foo').path)
self.assertEqual('bar', asset_key.replace(asset_type='bar').asset_type)
def test_deprecated_round_trip_asset_location(self, path):
self.assertEqual(
path,
text_type(AssetKey.from_string(path)),
)
def test_asset_with_special_character(self, path):
asset_locator = AssetKey.from_string(path)
self.assertEqual(
path,
str(asset_locator),
)
def test_asset_with_trailing_whitespace(self, path_fmt, whitespace):
with self.assertRaises(InvalidKeyError):
AssetKey.from_string(path_fmt.format(whitespace))
@property
def tag(self):
"""Returns the deprecated tag for this Location."""
return self.DEPRECATED_TAG
@classmethod
def _from_deprecated_string(cls, serialized):
match = cls.ASSET_URL_RE.match(serialized)
if match is None:
raise InvalidKeyError(cls, serialized)
groups = match.groupdict()
course_key = CourseLocator(
groups['org'],
groups['course'],
None,
groups.get('revision', None),
deprecated=True
)
return cls(course_key, groups['category'], groups['name'], deprecated=True)
def to_deprecated_list_repr(self):
"""
Thumbnail locations are stored as lists [c4x, org, course, thumbnail, path, None] in contentstore.mongo
That should be the only use of this method, but the method is general enough to provide the pre-opaque
Location fields as an array in the old order with the tag.
"""
return ['c4x', self.org, self.course, self.block_type, self.name, None]
# Register AssetLocator as the deprecated fallback for AssetKey
AssetKey.set_deprecated_fallback(AssetLocator)
class CourseTestCase(ProceduralCourseTestMixin, ModuleStoreTestCase):
"""
Base class for Studio tests that require a logged in user and a course.
Also provides helper methods for manipulating and verifying the course.
"""
def setUp(self):
"""
These tests need a user in the DB so that the django Test Client can log them in.
The test user is created in the ModuleStoreTestCase setUp method.
They inherit from the ModuleStoreTestCase class so that the mongodb collection
will be cleared out before each test case execution and deleted
afterwards.
"""
super(CourseTestCase, self).setUp()
self.client = AjaxEnabledTestClient()
self.client.login(username=self.user.username,
password=self.user_password)
self.course = CourseFactory.create()
# initialize the Notification subsystem
apps.startup_notification_subsystem()
def create_non_staff_authed_user_client(self, authenticate=True):
"""
Create a non-staff user, log them in (if authenticate=True), and return the client, user to use for testing.
"""
nonstaff, password = self.create_non_staff_user()
client = AjaxEnabledTestClient()
if authenticate:
client.login(username=nonstaff.username, password=password)
return client, nonstaff
def reload_course(self):
"""
Reloads the course object from the database
"""
self.course = self.store.get_course(self.course.id)
def save_course(self):
"""
Updates the course object in the database
"""
self.course.save()
self.store.update_item(self.course, self.user.id)
TEST_VERTICAL = 'vertical_test'
ORPHAN_DRAFT_VERTICAL = 'orphan_draft_vertical'
ORPHAN_DRAFT_HTML = 'orphan_draft_html'
PRIVATE_VERTICAL = 'a_private_vertical'
PUBLISHED_VERTICAL = 'a_published_vertical'
SEQUENTIAL = 'vertical_sequential'
DRAFT_HTML = 'draft_html'
DRAFT_VIDEO = 'draft_video'
LOCKED_ASSET_KEY = AssetKey.from_string(
'/c4x/edX/toy/asset/sample_static.html')
def import_and_populate_course(self):
"""
Imports the test toy course and populates it with additional test data
"""
content_store = contentstore()
import_course_from_xml(self.store,
self.user.id,
TEST_DATA_DIR, ['toy'],
static_content_store=content_store)
course_id = CourseKey.from_string('/'.join(['edX', 'toy',
'2012_Fall']))
# create an Orphan
# We had a bug where orphaned draft nodes caused export to fail. This is here to cover that case.
vertical = self.store.get_item(course_id.make_usage_key(
'vertical', self.TEST_VERTICAL),
depth=1)
vertical.location = vertical.location.replace(name='no_references')
self.store.update_item(vertical, self.user.id, allow_not_found=True)
orphan_vertical = self.store.get_item(vertical.location)
self.assertEqual(orphan_vertical.location.block_id, 'no_references')
self.assertEqual(len(orphan_vertical.children), len(vertical.children))
# create an orphan vertical and html; we already don't try to import
# the orphaned vertical, but we should make sure we don't import
# the orphaned vertical's child html, too
orphan_draft_vertical = self.store.create_item(
self.user.id, course_id, 'vertical', self.ORPHAN_DRAFT_VERTICAL)
orphan_draft_html = self.store.create_item(self.user.id, course_id,
'html',
self.ORPHAN_DRAFT_HTML)
orphan_draft_vertical.children.append(orphan_draft_html.location)
self.store.update_item(orphan_draft_vertical, self.user.id)
# create a Draft vertical
vertical = self.store.get_item(course_id.make_usage_key(
'vertical', self.TEST_VERTICAL),
depth=1)
draft_vertical = self.store.convert_to_draft(vertical.location,
self.user.id)
self.assertTrue(self.store.has_published_version(draft_vertical))
# create a Private (draft only) vertical
private_vertical = self.store.create_item(self.user.id, course_id,
'vertical',
self.PRIVATE_VERTICAL)
self.assertFalse(self.store.has_published_version(private_vertical))
# create a Published (no draft) vertical
public_vertical = self.store.create_item(self.user.id, course_id,
'vertical',
self.PUBLISHED_VERTICAL)
public_vertical = self.store.publish(public_vertical.location,
self.user.id)
self.assertTrue(self.store.has_published_version(public_vertical))
# add the new private and new public as children of the sequential
sequential = self.store.get_item(
course_id.make_usage_key('sequential', self.SEQUENTIAL))
sequential.children.append(private_vertical.location)
sequential.children.append(public_vertical.location)
self.store.update_item(sequential, self.user.id)
# create an html and video component to make drafts:
draft_html = self.store.create_item(self.user.id, course_id, 'html',
self.DRAFT_HTML)
draft_video = self.store.create_item(self.user.id, course_id, 'video',
self.DRAFT_VIDEO)
# add them as children to the public_vertical
public_vertical.children.append(draft_html.location)
public_vertical.children.append(draft_video.location)
self.store.update_item(public_vertical, self.user.id)
# publish changes to vertical
self.store.publish(public_vertical.location, self.user.id)
# convert html/video to draft
self.store.convert_to_draft(draft_html.location, self.user.id)
self.store.convert_to_draft(draft_video.location, self.user.id)
# lock an asset
content_store.set_attr(self.LOCKED_ASSET_KEY, 'locked', True)
# create a non-portable link - should be rewritten in new courses
html_module = self.store.get_item(
course_id.make_usage_key('html', 'nonportable'))
new_data = html_module.data = html_module.data.replace(
'/static/', '/c4x/{0}/{1}/asset/'.format(course_id.org,
course_id.course))
self.store.update_item(html_module, self.user.id)
html_module = self.store.get_item(html_module.location)
self.assertEqual(new_data, html_module.data)
return course_id
def check_populated_course(self, course_id):
"""
Verifies the content of the given course, per data that was populated in import_and_populate_course
"""
items = self.store.get_items(
course_id,
qualifiers={'category': 'vertical'},
revision=ModuleStoreEnum.RevisionOption.published_only)
self.check_verticals(items)
def verify_item_publish_state(item, publish_state):
"""Verifies the publish state of the item is as expected."""
self.assertEqual(self.store.has_published_version(item),
publish_state)
def get_and_verify_publish_state(item_type, item_name, publish_state):
"""
Gets the given item from the store and verifies the publish state
of the item is as expected.
"""
item = self.store.get_item(
course_id.make_usage_key(item_type, item_name))
verify_item_publish_state(item, publish_state)
return item
# verify draft vertical has a published version with published children
vertical = get_and_verify_publish_state('vertical', self.TEST_VERTICAL,
True)
for child in vertical.get_children():
verify_item_publish_state(child, True)
# verify that it has a draft too
self.assertTrue(getattr(vertical, "is_draft", False))
# make sure that we don't have a sequential that is in draft mode
sequential = get_and_verify_publish_state('sequential',
self.SEQUENTIAL, True)
self.assertFalse(getattr(sequential, "is_draft", False))
# verify that we have the private vertical
private_vertical = get_and_verify_publish_state(
'vertical', self.PRIVATE_VERTICAL, False)
# verify that we have the public vertical
public_vertical = get_and_verify_publish_state('vertical',
self.PUBLISHED_VERTICAL,
True)
# verify that we have the draft html
draft_html = self.store.get_item(
course_id.make_usage_key('html', self.DRAFT_HTML))
self.assertTrue(getattr(draft_html, 'is_draft', False))
# verify that we have the draft video
draft_video = self.store.get_item(
course_id.make_usage_key('video', self.DRAFT_VIDEO))
self.assertTrue(getattr(draft_video, 'is_draft', False))
# verify verticals are children of sequential
for vert in [vertical, private_vertical, public_vertical]:
self.assertIn(vert.location, sequential.children)
# verify draft html is the child of the public vertical
self.assertIn(draft_html.location, public_vertical.children)
# verify draft video is the child of the public vertical
self.assertIn(draft_video.location, public_vertical.children)
# verify textbook exists
course = self.store.get_course(course_id)
self.assertGreater(len(course.textbooks), 0)
# verify asset attributes of locked asset key
self.assertAssetsEqual(self.LOCKED_ASSET_KEY,
self.LOCKED_ASSET_KEY.course_key, course_id)
# verify non-portable links are rewritten
html_module = self.store.get_item(
course_id.make_usage_key('html', 'nonportable'))
self.assertIn('/static/foo.jpg', html_module.data)
return course
def assertCoursesEqual(self, course1_id, course2_id):
"""
Verifies the content of the two given courses are equal
"""
course1_items = self.store.get_items(course1_id)
course2_items = self.store.get_items(course2_id)
self.assertGreater(len(course1_items),
0) # ensure it found content instead of [] == []
if len(course1_items) != len(course2_items):
course1_block_ids = set(
[item.location.block_id for item in course1_items])
course2_block_ids = set(
[item.location.block_id for item in course2_items])
raise AssertionError(
u"Course1 extra blocks: {}; course2 extra blocks: {}".format(
course1_block_ids - course2_block_ids,
course2_block_ids - course1_block_ids))
for course1_item in course1_items:
course1_item_loc = course1_item.location
course2_item_loc = course2_id.make_usage_key(
course1_item_loc.block_type, course1_item_loc.block_id)
if course1_item_loc.block_type == 'course':
# mongo uses the run as the name, split uses 'course'
store = self.store._get_modulestore_for_courselike(course2_id) # pylint: disable=protected-access
new_name = 'course' if isinstance(
store, SplitMongoModuleStore) else course2_item_loc.run
course2_item_loc = course2_item_loc.replace(name=new_name)
course2_item = self.store.get_item(course2_item_loc)
# compare published state
self.assertEqual(self.store.has_published_version(course1_item),
self.store.has_published_version(course2_item))
# compare data
self.assertEqual(hasattr(course1_item, 'data'),
hasattr(course2_item, 'data'))
if hasattr(course1_item, 'data'):
self.assertEqual(course1_item.data, course2_item.data)
# compare meta-data
course1_metadata = own_metadata(course1_item)
course2_metadata = own_metadata(course2_item)
# Omit edx_video_id as it can be different in case of extrnal video imports.
course1_metadata.pop('edx_video_id', None)
course2_metadata.pop('edx_video_id', None)
self.assertEqual(course1_metadata, course2_metadata)
# compare children
self.assertEqual(course1_item.has_children,
course2_item.has_children)
if course1_item.has_children:
expected_children = []
for course1_item_child in course1_item.children:
expected_children.append(
course2_id.make_usage_key(
course1_item_child.block_type,
course1_item_child.block_id))
self.assertEqual(expected_children, course2_item.children)
# compare assets
content_store = self.store.contentstore
course1_assets, count_course1_assets = content_store.get_all_content_for_course(
course1_id)
_, count_course2_assets = content_store.get_all_content_for_course(
course2_id)
self.assertEqual(count_course1_assets, count_course2_assets)
for asset in course1_assets:
asset_son = asset.get('content_son', asset['_id'])
self.assertAssetsEqual(asset_son, course1_id, course2_id)
def check_verticals(self, items):
""" Test getting the editing HTML for each vertical. """
# assert is here to make sure that the course being tested actually has verticals (units) to check.
self.assertGreater(len(items), 0,
"Course has no verticals (units) to check")
for descriptor in items:
resp = self.client.get_html(
get_url('container_handler', descriptor.location))
self.assertEqual(resp.status_code, 200)
def assertAssetsEqual(self, asset_son, course1_id, course2_id):
"""Verifies the asset of the given key has the same attributes in both given courses."""
content_store = contentstore()
category = asset_son.block_type if hasattr(
asset_son, 'block_type') else asset_son['category']
filename = asset_son.block_id if hasattr(
asset_son, 'block_id') else asset_son['name']
course1_asset_attrs = content_store.get_attrs(
course1_id.make_asset_key(category, filename))
course2_asset_attrs = content_store.get_attrs(
course2_id.make_asset_key(category, filename))
self.assertEqual(len(course1_asset_attrs), len(course2_asset_attrs))
for key, value in six.iteritems(course1_asset_attrs):
if key in [
'_id', 'filename', 'uploadDate', 'content_son',
'thumbnail_location'
]:
pass
else:
self.assertEqual(value, course2_asset_attrs[key])
def test_asset_with_missing_parts(self, path):
with self.assertRaises(InvalidKeyError):
AssetKey.from_string(path)
def test_asset_with_special_character(self, path):
asset_locator = AssetKey.from_string(path)
self.assertEqual(
path,
text_type(asset_locator),
)
def test_deprecated_round_trip_asset_location(self, path):
self.assertEquals(
path,
unicode(AssetKey.from_string(path)),
)
class TestAssetLocators(TestCase):
"""
Tests of :class:`AssetLocator`
"""
@ddt.data(
"/c4x/org/course/asset/path", )
def test_deprecated_round_trip_asset_location(self, path):
self.assertEquals(
path,
unicode(AssetKey.from_string(path)),
)
def test_map_into_course_asset_location(self):
original_course = CourseKey.from_string('org/course/run')
new_course = CourseKey.from_string('edX/toy/2012_Fall')
loc = AssetLocator(original_course, 'asset', 'foo.bar')
self.assertEquals(
AssetLocator(new_course, 'asset', 'foo.bar', deprecated=True),
loc.map_into_course(new_course))
def test_make_asset_key(self):
course = CourseKey.from_string('org/course/run')
self.assertEquals(
AssetLocator(course, 'asset', 'foo.bar', deprecated=True),
course.make_asset_key('asset', 'foo.bar'))
@ddt.data(
(AssetLocator, '_id.', 'c4x', (CourseLocator(
'org', 'course', 'run', 'rev', deprecated=True), 'ct', 'n')),
(AssetLocator, '_id.', 'c4x', (CourseLocator(
'org', 'course', 'run', 'rev', deprecated=True), 'ct', None)),
)
@ddt.unpack
def test_deprecated_son(self, key_cls, prefix, tag, source):
source_key = key_cls(*source, deprecated=True)
son = source_key.to_deprecated_son(prefix=prefix, tag=tag)
self.assertEquals(son.keys(), [
prefix + key
for key in ('tag', 'org', 'course', 'category', 'name', 'revision')
])
self.assertEquals(son[prefix + 'tag'], tag)
self.assertEquals(son[prefix + 'category'], source_key.block_type)
self.assertEquals(son[prefix + 'name'], source_key.block_id)
self.assertEquals(son[prefix + 'org'], source_key.course_key.org)
self.assertEquals(son[prefix + 'course'], source_key.course_key.course)
self.assertEquals(son[prefix + 'revision'],
source_key.course_key.branch)
@ddt.data(
(AssetKey.from_string('/c4x/o/c/ct/n'), 'run'),
(AssetKey.from_string('/c4x/o/c/ct/n@v'), 'run'),
)
@ddt.unpack
def test_roundtrip_deprecated_son(self, key, run):
self.assertEquals(
key.replace(course_key=key.course_key.replace(run=run)),
key.__class__._from_deprecated_son(key.to_deprecated_son(), run) # pylint: disable=protected-access
)
def test_replace(self):
asset_key = AssetKey.from_string('/c4x/o/c/asset/path')
self.assertEquals('foo', asset_key.replace(path='foo').path)
self.assertEquals('bar',
asset_key.replace(asset_type='bar').asset_type)
def test_empty_path(self):
with self.assertRaises(InvalidKeyError):
CourseKey.from_string('course-v1:org+course+run').make_asset_key(
'asset', '')
self.assertEquals(
'/c4x/org/course/asset/',
unicode(
CourseKey.from_string('org/course/run').make_asset_key(
'asset', '')))
def test_asset_with_missing_parts(self, path):
with self.assertRaises(InvalidKeyError):
AssetKey.from_string(path)
class TestAssetLocators(TestCase):
"""
Tests of :class:`AssetLocator`
"""
@ddt.data(
"/c4x/org/course/asset/path", )
def test_deprecated_round_trip_asset_location(self, path):
self.assertEqual(
path,
str(AssetKey.from_string(path)),
)
def test_map_into_course_asset_location(self):
original_course = CourseKey.from_string('org/course/run')
new_course = CourseKey.from_string('edX/toy/2012_Fall')
loc = AssetLocator(original_course, 'asset', 'foo.bar')
self.assertEqual(
AssetLocator(new_course, 'asset', 'foo.bar', deprecated=True),
loc.map_into_course(new_course))
def test_make_asset_key(self):
course = CourseKey.from_string('org/course/run')
self.assertEqual(
AssetLocator(course, 'asset', 'foo.bar', deprecated=True),
course.make_asset_key('asset', 'foo.bar'))
@ddt.data(
(AssetLocator, '_id.', 'c4x', (CourseLocator(
'org', 'course', 'run', 'rev', deprecated=True), 'ct', 'n')),
(AssetLocator, '_id.', 'c4x', (CourseLocator(
'org', 'course', 'run', 'rev', deprecated=True), 'ct', None)),
)
@ddt.unpack
def test_deprecated_son(self, key_cls, prefix, tag, source):
source_key = key_cls(*source, deprecated=True)
son = source_key.to_deprecated_son(prefix=prefix, tag=tag)
self.assertEqual(son.keys(), [
prefix + key
for key in ('tag', 'org', 'course', 'category', 'name', 'revision')
])
self.assertEqual(son[prefix + 'tag'], tag)
self.assertEqual(son[prefix + 'category'], source_key.block_type)
self.assertEqual(son[prefix + 'name'], source_key.block_id)
self.assertEqual(son[prefix + 'org'], source_key.course_key.org)
self.assertEqual(son[prefix + 'course'], source_key.course_key.course)
self.assertEqual(son[prefix + 'revision'],
source_key.course_key.branch)
@ddt.data(
(AssetKey.from_string('/c4x/o/c/ct/n'), 'run'),
(AssetKey.from_string('/c4x/o/c/ct/n@v'), 'run'),
)
@ddt.unpack
def test_roundtrip_deprecated_son(self, key, run):
self.assertEqual(
key.replace(course_key=key.course_key.replace(run=run)),
key.__class__._from_deprecated_son(key.to_deprecated_son(), run) # pylint: disable=protected-access
)
def test_old_charset(self):
# merely not raising InvalidKeyError suffices
AssetLocator(CourseLocator('a', 'b', 'c'), 'asset',
'subs_%20S2x5jhbWl_o.srt.sjson')
AssetLocator(CourseLocator('a', 'b', 'c'),
'asset',
'subs_%20S2x5jhbWl_o.srt.sjson',
deprecated=True)
def test_replace(self):
asset_key = AssetKey.from_string('/c4x/o/c/asset/path')
self.assertEqual('foo', asset_key.replace(path='foo').path)
self.assertEqual('bar', asset_key.replace(asset_type='bar').asset_type)
def test_empty_path(self):
""" Test InvalidKeyError when asset path is empty """
with self.assertRaises(InvalidKeyError):
CourseKey.from_string(
'course-locator:org+course+run').make_asset_key('asset', '')
with self.assertRaises(InvalidKeyError):
CourseKey.from_string('org/course/run').make_asset_key('asset', '')
@ddt.data(
"asset-v1:UOG+cs_34+Cs128+type@asset+block@subs_Introduction%20To%20New.srt.sjson",
"asset-v1:UOG+cs_34+Cs128+type@asset+block@subs_Introduction~To~New.srt.sjson",
"asset-v1:UOG+cs_34+Cs128+type@asset+block@subs_Introduction:To:New.srt.sjson",
"asset-v1:UOG+cs_34+Cs128+type@asset+block@subs_Introduction-To-New.srt.sjson",
)
def test_asset_with_special_character(self, path):
asset_locator = AssetKey.from_string(path)
self.assertEqual(
path,
str(asset_locator),
)
@ddt.data(*itertools.product(
("asset-v1:UOG+cs_34+Cs128+type@asset+block@subs_Introduction_To_New.srt.sjson{}",
),
('\n', '\n\n', ' ', ' ', ' \n'),
))
@ddt.unpack
def test_asset_with_trailing_whitespace(self, path_fmt, whitespace):
with self.assertRaises(InvalidKeyError):
AssetKey.from_string(path_fmt.format(whitespace))
@ddt.data(
"asset-v1:UOG+cs_34+Cs128+type@asset",
"asset-v1:UOG+cs_34+Cs128",
)
def test_asset_with_missing_parts(self, path):
with self.assertRaises(InvalidKeyError):
AssetKey.from_string(path)
def test_deprecated_round_trip_asset_location(self, path):
self.assertEqual(
path,
str(AssetKey.from_string(path)),
)
def test_asset_with_trailing_whitespace(self, path_fmt, whitespace):
with self.assertRaises(InvalidKeyError):
AssetKey.from_string(path_fmt.format(whitespace))