def test_determine_aspect(self):
"""Tests if the aspect is correctly detected"""
self.assertEqual(bibencode_encode.determine_aspect(video01_out02),
("16:9", 1920, 1080))
self.assertEqual(bibencode_encode.determine_aspect(video01_out05),
("16:9", 1280, 720))
self.assertEqual(bibencode_encode.determine_aspect(video01_out08),
("427:240", 854, 480))
output_file=os.path.join(sample_dir, CFG_BIBENCODE_WEBSUBMIT_ASPECT_SAMPLE_FNAME),
size="600x600",
numberof=5)
json_response['frames'] = []
for extracted_frame in os.listdir(sample_dir):
json_response['frames'].append(extracted_frame)
except:
## If the frame extraction fails, something was bad with the video
os.remove(new_tmp_fullpath)
register_exception(req=req, alert_admin=False)
raise apache.SERVER_RETURN(apache.HTTP_FORBIDDEN)
## Try to detect the aspect. if this fails, the video is not readable
## or a wrong file might have been uploaded
try:
(aspect, width, height) = determine_aspect(new_tmp_fullpath)
if aspect:
aspx, aspy = aspect.split(':')
else:
the_gcd = gcd(width, height)
aspx = str(width / the_gcd)
aspy = str(height / the_gcd)
json_response['aspx'] = aspx
json_response['aspy'] = aspy
except TypeError:
## If the aspect detection completely fails
os.remove(new_tmp_fullpath)
register_exception(req=req, alert_admin=False)
raise apache.SERVER_RETURN(apache.HTTP_FORBIDDEN)
## Try to extract some metadata from the video container
def test_determine_aspect(self):
"""Tests if the aspect is correctly detected"""
self.assertEqual(bibencode_encode.determine_aspect(video01_out02), ("16:9", 1920, 1080))
self.assertEqual(bibencode_encode.determine_aspect(video01_out05), ("16:9", 1280, 720))
self.assertEqual(bibencode_encode.determine_aspect(video01_out08), ("427:240", 854, 480))
size="600x600",
numberof=5)
json_response['frames'] = []
for extracted_frame in os.listdir(sample_dir):
json_response['frames'].append(extracted_frame)
except:
## If the frame extraction fails, something was bad with the video
os.remove(new_tmp_fullpath)
register_exception(req=req, alert_admin=False)
raise apache.SERVER_RETURN(apache.HTTP_FORBIDDEN)
## Try to detect the aspect. if this fails, the video is not readable
## or a wrong file might have been uploaded
try:
(aspect, width,
height) = determine_aspect(new_tmp_fullpath)
if aspect:
aspx, aspy = aspect.split(':')
else:
the_gcd = gcd(width, height)
aspx = str(width / the_gcd)
aspy = str(height / the_gcd)
json_response['aspx'] = aspx
json_response['aspy'] = aspy
except TypeError:
## If the aspect detection completely fails
os.remove(new_tmp_fullpath)
register_exception(req=req, alert_admin=False)
raise apache.SERVER_RETURN(apache.HTTP_FORBIDDEN)
## Try to extract some metadata from the video container
def upload_video(self, req, form):
"""
A clone of uploadfile but for (large) videos.
Does not copy the uploaded file to the websubmit directory.
Instead, the path to the file is stored inside the submission directory.
"""
def gcd(a, b):
""" the euclidean algorithm """
while a:
a, b = b % a, a
return b
from invenio.bibencode_extract import extract_frames
from invenio.bibencode_config import CFG_BIBENCODE_WEBSUBMIT_ASPECT_SAMPLE_DIR, CFG_BIBENCODE_WEBSUBMIT_ASPECT_SAMPLE_FNAME
from invenio.bibencode_encode import determine_aspect
from invenio.bibencode_utils import probe
from invenio.bibencode_metadata import ffprobe_metadata
from invenio.websubmit_config import CFG_WEBSUBMIT_TMP_VIDEO_PREFIX
argd = wash_urlargd(
form, {
'doctype': (str, ''),
'access': (str, ''),
'indir': (str, ''),
'session_id': (str, ''),
'rename': (str, ''),
})
curdir = None
if not form.has_key("indir") or \
not form.has_key("doctype") or \
not form.has_key("access"):
raise apache.SERVER_RETURN(apache.HTTP_BAD_REQUEST)
else:
curdir = os.path.join(CFG_WEBSUBMIT_STORAGEDIR, argd['indir'],
argd['doctype'], argd['access'])
user_info = collect_user_info(req)
if form.has_key("session_id"):
# Are we uploading using Flash, which does not transmit
# cookie? The expect to receive session_id as a form
# parameter. First check that IP addresses do not
# mismatch.
uid = session.uid
user_info = collect_user_info(uid)
try:
act_fd = file(os.path.join(curdir, 'act'))
action = act_fd.read()
act_fd.close()
except:
act = ""
# Is user authorized to perform this action?
(auth_code, auth_message) = acc_authorize_action(
uid,
"submit",
authorized_if_no_roles=not isGuestUser(uid),
verbose=0,
doctype=argd['doctype'],
act=action)
if acc_is_role("submit", doctype=argd['doctype'],
act=action) and auth_code != 0:
# User cannot submit
raise apache.SERVER_RETURN(apache.HTTP_UNAUTHORIZED)
else:
# Process the upload and get the response
json_response = {}
for key, formfields in form.items():
filename = key.replace("[]", "")
if hasattr(formfields, "filename") and formfields.filename:
dir_to_open = os.path.abspath(
os.path.join(curdir, 'files', str(user_info['uid']),
key))
try:
assert (
dir_to_open.startswith(CFG_WEBSUBMIT_STORAGEDIR))
except AssertionError:
register_exception(req=req,
prefix='curdir="%s", key="%s"' %
(curdir, key))
raise apache.SERVER_RETURN(apache.HTTP_FORBIDDEN)
if not os.path.exists(dir_to_open):
try:
os.makedirs(dir_to_open)
except OSError, e:
if e.errno != errno.EEXIST:
# If the issue is only that directory
# already exists, then continue, else
# report
register_exception(req=req, alert_admin=True)
raise apache.SERVER_RETURN(
apache.HTTP_FORBIDDEN)
filename = formfields.filename
## Before saving the file to disc, wash the filename (in particular
## washing away UNIX and Windows (e.g. DFS) paths):
filename = os.path.basename(filename.split('\\')[-1])
filename = filename.strip()
if filename != "":
# Check that file does not already exist
while os.path.exists(
os.path.join(dir_to_open, filename)):
#dirname, basename, extension = decompose_file(new_destination_path)
basedir, name, extension = decompose_file(filename)
new_name = propose_next_docname(name)
filename = new_name + extension
#-------------#
# VIDEO STUFF #
#-------------#
## Remove all previous uploads
filelist = os.listdir(
os.path.split(formfields.file.name)[0])
for afile in filelist:
if argd['access'] in afile:
os.remove(
os.path.join(
os.path.split(formfields.file.name)[0],
afile))
## Check if the file is a readable video
## We must exclude all image and audio formats that are readable by ffprobe
if (os.path.splitext(filename)[1] in [
'jpg', 'jpeg', 'gif', 'tiff', 'bmp', 'png',
'tga', 'jp2', 'j2k', 'jpf', 'jpm', 'mj2',
'biff', 'cgm', 'exif', 'img', 'mng', 'pic',
'pict', 'raw', 'wmf', 'jpe', 'jif', 'jfif',
'jfi', 'tif', 'webp', 'svg', 'ai', 'ps', 'psd',
'wav', 'mp3', 'pcm', 'aiff', 'au', 'flac',
'wma', 'm4a', 'wv', 'oga', 'm4a', 'm4b', 'm4p',
'm4r', 'aac', 'mp4', 'vox', 'amr', 'snd'
] or not probe(formfields.file.name)):
formfields.file.close()
raise apache.SERVER_RETURN(apache.HTTP_FORBIDDEN)
## We have no "delete" attribute in Python 2.4
if sys.hexversion < 0x2050000:
## We need to rename first and create a dummy file
## Rename the temporary file for the garbage collector
new_tmp_fullpath = os.path.split(
formfields.file.name
)[0] + "/" + CFG_WEBSUBMIT_TMP_VIDEO_PREFIX + argd[
'access'] + "_" + os.path.split(
formfields.file.name)[1]
os.rename(formfields.file.name, new_tmp_fullpath)
dummy = open(formfields.file.name, "w")
dummy.close()
formfields.file.close()
else:
# Mark the NamedTemporatyFile as not to be deleted
formfields.file.delete = False
formfields.file.close()
## Rename the temporary file for the garbage collector
new_tmp_fullpath = os.path.split(
formfields.file.name
)[0] + "/" + CFG_WEBSUBMIT_TMP_VIDEO_PREFIX + argd[
'access'] + "_" + os.path.split(
formfields.file.name)[1]
os.rename(formfields.file.name, new_tmp_fullpath)
# Write the path to the temp file to a file in STORAGEDIR
fp = open(os.path.join(dir_to_open, "filepath"), "w")
fp.write(new_tmp_fullpath)
fp.close()
fp = open(os.path.join(dir_to_open, "filename"), "w")
fp.write(filename)
fp.close()
## We are going to extract some thumbnails for websubmit ##
sample_dir = os.path.join(
curdir, 'files', str(user_info['uid']),
CFG_BIBENCODE_WEBSUBMIT_ASPECT_SAMPLE_DIR)
try:
## Remove old thumbnails
shutil.rmtree(sample_dir)
except OSError:
register_exception(req=req, alert_admin=False)
try:
os.makedirs(
os.path.join(curdir, 'files',
str(user_info['uid']),
sample_dir))
except OSError:
register_exception(req=req, alert_admin=False)
try:
extract_frames(
input_file=new_tmp_fullpath,
output_file=os.path.join(
sample_dir,
CFG_BIBENCODE_WEBSUBMIT_ASPECT_SAMPLE_FNAME
),
size="600x600",
numberof=5)
json_response['frames'] = []
for extracted_frame in os.listdir(sample_dir):
json_response['frames'].append(extracted_frame)
except:
## If the frame extraction fails, something was bad with the video
os.remove(new_tmp_fullpath)
register_exception(req=req, alert_admin=False)
raise apache.SERVER_RETURN(apache.HTTP_FORBIDDEN)
## Try to detect the aspect. if this fails, the video is not readable
## or a wrong file might have been uploaded
try:
(aspect, width,
height) = determine_aspect(new_tmp_fullpath)
if aspect:
aspx, aspy = aspect.split(':')
else:
the_gcd = gcd(width, height)
aspx = str(width / the_gcd)
aspy = str(height / the_gcd)
json_response['aspx'] = aspx
json_response['aspy'] = aspy
except TypeError:
## If the aspect detection completely fails
os.remove(new_tmp_fullpath)
register_exception(req=req, alert_admin=False)
raise apache.SERVER_RETURN(apache.HTTP_FORBIDDEN)
## Try to extract some metadata from the video container
metadata = ffprobe_metadata(new_tmp_fullpath)
json_response['meta_title'] = metadata['format'].get(
'TAG:title')
json_response['meta_description'] = metadata[
'format'].get('TAG:description')
json_response['meta_year'] = metadata['format'].get(
'TAG:year')
json_response['meta_author'] = metadata['format'].get(
'TAG:author')
## Empty file name
else:
raise apache.SERVER_RETURN(apache.HTTP_BAD_REQUEST)
## We found our file, we can break the loop
break
# Send our response
if CFG_JSON_AVAILABLE:
dumped_response = json.dumps(json_response)
# store the response in the websubmit directory
# this is needed if the submission is not finished and continued later
response_dir = os.path.join(curdir, 'files',
str(user_info['uid']), "response")
try:
os.makedirs(response_dir)
except OSError:
# register_exception(req=req, alert_admin=False)
pass
fp = open(os.path.join(response_dir, "response"), "w")
fp.write(dumped_response)
fp.close()
return dumped_response
