def create_associated_thumbnail(ccnode, ccfilemodel):
"""
Gets the appropriate thumbnail for export (uses or generates a base64 encoding)
Args:
ccnode (<ContentNode>): node to derive thumbnail from (if encoding is provided)
ccfilemodel (<File>): file to get thumbnail from if no encoding is available
Returns <File> model of encoded, resized thumbnail
"""
encoding = None
try:
encoding = ccnode.thumbnail_encoding and load_json_string(
ccnode.thumbnail_encoding).get('base64')
except ValueError:
logging.error(
"ERROR: node thumbnail is not in correct format ({}: {})".format(
ccnode.id, ccnode.thumbnail_encoding))
return
# Save the encoding if it doesn't already have an encoding
if not encoding:
try:
encoding = get_thumbnail_encoding(str(ccfilemodel))
except IOError:
# ImageMagick may raise an IOError if the file is not a thumbnail. Catch that then just return early.
logging.error(
"ERROR: cannot identify the thumbnail ({}: {})".format(
ccnode.id, ccnode.thumbnail_encoding))
return
ccnode.thumbnail_encoding = json.dumps({
"base64": encoding,
"points": [],
"zoom": 0,
})
ccnode.save()
return create_thumbnail_from_base64(
encoding,
uploaded_by=ccfilemodel.uploaded_by,
file_format_id=ccfilemodel.file_format_id,
preset_id=ccfilemodel.preset_id)
def create_associated_thumbnail(ccnode, ccfilemodel):
"""
Gets the appropriate thumbnail for export (uses or generates a base64 encoding)
Args:
ccnode (<ContentNode>): node to derive thumbnail from (if encoding is provided)
ccfilemodel (<File>): file to get thumbnail from if no encoding is available
Returns <File> model of encoded, resized thumbnail
"""
encoding = None
try:
encoding = ccnode.thumbnail_encoding and load_json_string(ccnode.thumbnail_encoding).get('base64')
except ValueError:
logging.error("ERROR: node thumbnail is not in correct format ({}: {})".format(ccnode.id, ccnode.thumbnail_encoding))
return
# Save the encoding if it doesn't already have an encoding
if not encoding:
try:
encoding = get_thumbnail_encoding(str(ccfilemodel))
except IOError:
# ImageMagick may raise an IOError if the file is not a thumbnail. Catch that then just return early.
logging.error("ERROR: cannot identify the thumbnail ({}: {})".format(ccnode.id, ccnode.thumbnail_encoding))
return
ccnode.thumbnail_encoding = json.dumps({
"base64": encoding,
"points": [],
"zoom": 0,
})
ccnode.save()
return create_thumbnail_from_base64(
encoding,
uploaded_by=ccfilemodel.uploaded_by,
file_format_id=ccfilemodel.file_format_id,
preset_id=ccfilemodel.preset_id
)
def test_jsons(json_tests):
for val1, val2 in json_tests:
assert load_json_string(val1) == val2, "JSONs don't match: {} != {}".format(val1, val2)
def test_jsons(json_tests):
for val1, val2 in json_tests:
assert load_json_string(
val1) == val2, "JSONs don't match: {} != {}".format(val1, val2)
