Merge pull request #90 from edx/mrehan/restore-old-workflow

Restore old transcription workflow

control/old_veda_deliver_cielo.py

+import requests
+import ast
+import urllib
+
+"""
+Cielo24 API Job Start and Download
+Options (reflected in Course.models):
+transcription_fidelity =
+  Mechanical (75%),
+  Premium (95%)(3-72h),
+  Professional (99+%)(3-72h)
+priority =
+  standard (24h),
+  priority (48h)
+turnaround_hours = number, overrides 'priority' call, will change a standard to a priority silently
+"""
+from control_env import *
+from veda_utils import ErrorObject
+
+requests.packages.urllib3.disable_warnings()
+
+
+class Cielo24TranscriptOld(object):
+
+    def __init__(self, veda_id):
+        self.veda_id = veda_id
+        '''Defaults'''
+        self.c24_site = 'https://api.cielo24.com/api'
+        self.c24_login = '/account/login'
+        self.c24_joblist = '/job/list'
+        self.c24_newjob = '/job/new'
+        self.add_media = '/job/add_media'
+        self.transcribe = '/job/perform_transcription'
+
+        '''Retreive C24 Course-based defaults'''
+        self.c24_defaults = self.retrieve_defaults()
+
+    def perform_transcription(self):
+        if self.c24_defaults['c24_user'] is None:
+            return None
+        '''
+        GET /api/job/perform_transcription?v=1 HTTP/1.1
+        &api_token=xxxx
+        &job_id=xxxx
+        &transcription_fidelity=PREMIUM&priority=STANDARD
+        Host: api.cielo24.com
+        '''
+        api_token = self.tokengenerator()
+        if api_token is None:
+            return None
+
+        job_id = self.generate_jobs(api_token)
+        task_id = self.embed_url(api_token, job_id)
+
+        r5 = requests.get(
+            ''.join((
+                self.c24_site,
+                self.transcribe,
+                '?v=1&api_token=',
+                api_token,
+                '&job_id=',
+                job_id,
+                '&transcription_fidelity=',
+                self.c24_defaults['c24_fidelity'],
+                '&priority=',
+                self.c24_defaults['c24_speed']
+            ))
+        )
+        return ast.literal_eval(r5.text)['TaskId']
+
+    def retrieve_defaults(self):
+        video_query = Video.objects.filter(
+            edx_id=self.veda_id
+        ).latest()
+
+        url_query = URL.objects.filter(
+            videoID=video_query,
+            encode_url__icontains='_DTH.mp4',
+        ).latest()
+        
+        if video_query.inst_class.c24_username is None:
+            ErrorObject.print_error(
+                message='Cielo24 Record Incomplete',
+            )
+            return None
+
+        c24_defaults = {
+            'c24_user': video_query.inst_class.c24_username,
+            'c24_pass': video_query.inst_class.c24_password,
+            'c24_speed': video_query.inst_class.c24_speed,
+            'c24_fidelity': video_query.inst_class.c24_fidelity,
+            'edx_id': self.veda_id,
+            'url': url_query.encode_url
+        }
+        return c24_defaults
+
+    def tokengenerator(self):
+        token_url = self.c24_site + self.c24_login + \
+            '?v=1&username=' + self.c24_defaults['c24_user'] + \
+            '&password=' + self.c24_defaults['c24_pass']
+
+        # Generate Token
+        r1 = requests.get(token_url)
+        if r1.status_code > 299:
+            ErrorObject.print_error(
+                message='Cielo24 API Access Error',
+            )
+            return None
+        api_token = ast.literal_eval(r1.text)["ApiToken"]
+        return api_token
+
+    def listjobs(self):
+        """List Jobs"""
+        api_token = self.tokengenerator()
+        r2 = requests.get(
+            ''.join((
+                self.c24_site,
+                self.c24_joblist,
+                '?v=1&api_token=',
+                api_token
+            ))
+        )
+        job_list = r2.text
+        return job_list
+
+    def generate_jobs(self, api_token):
+        """
+        'https://api.cielo24.com/job/new?v=1&\
+        api_token=xxx&job_name=xxx&language=en'
+        """
+        r3 = requests.get(
+            ''.join((
+                self.c24_site,
+                self.c24_newjob,
+                '?v=1&api_token=',
+                api_token,
+                '&job_name=',
+                self.c24_defaults['edx_id'],
+                '&language=en'
+            ))
+        )
+        job_id = ast.literal_eval(r3.text)['JobId']
+        return job_id
+
+    def embed_url(self, api_token, job_id):
+        """
+        GET /api/job/add_media?v=1&api_token=xxxx
+        &job_id=xxxxx
+        &media_url=http%3A%2F%2Fwww.domain.com%2Fvideo.mp4 HTTP/1.1
+        Host: api.cielo24.com
+        """
+        r4 = requests.get(
+            ''.join((
+                self.c24_site,
+                self.add_media,
+                '?v=1&api_token=',
+                api_token,
+                '&job_id=',
+                job_id,
+                '&media_url=',
+                urllib.quote_plus(self.c24_defaults['url'])
+            ))
+        )
+        print str(r4.status_code) + ' : Cielo24 Status Code'
+        return ast.literal_eval(r4.text)['TaskId']
+
+
+def main():
+    pass
+
+
+if __name__ == "__main__":
+    sys.exit(main())

control/veda_deliver.py

@@ -5,10 +5,10 @@ endpoint via the custom methods
 
 """
 import datetime
+import ftplib
 import logging
 import shutil
 from os.path import expanduser
-import sys
 
 import boto
 import boto.s3
@@ -19,6 +19,7 @@ from boto.exception import S3ResponseError, NoAuthHandlerFound
 from boto.s3.key import Key
 from django.core.urlresolvers import reverse
 
+from control.old_veda_deliver_cielo import Cielo24TranscriptOld
 from control_env import *
 from veda_deliver_cielo import Cielo24Transcript
 from veda_deliver_youtube import DeliverYoutube
@@ -128,6 +129,11 @@ class VedaDelivery:
         u1.encode_size = self.video_proto.filesize
         u1.save()
 
+        # TODO: Warning! this shall be removed once 3rd party credentials
+        # for existing courses are migrated according to new flow.
+        self._THREEPLAY_UPLOAD()
+        self._CIELO24_UPLOAD()
+
         self.status = self._DETERMINE_STATUS()
         self._UPDATE_DATA()
         self._CLEANUP()
@@ -629,6 +635,72 @@ class VedaDelivery:
                 self.video_query.studio_id,
             )
 
+    def _CIELO24_UPLOAD(self):
+        """
+        Note: This is part of the old flow which was deprecated when transcript phase 1 was reased.
+        """
+        # TODO: this must be removed once existing 3rd party credentials are migrated according
+        # to the new workflow.
+        if self.video_query.inst_class.c24_proc is False:
+            return None
+
+        if self.encode_profile != 'desktop_mp4':
+            return None
+
+        C24 = Cielo24TranscriptOld(
+            veda_id=self.video_query.edx_id
+        )
+        output = C24.perform_transcription()
+        print '[ %s ] : %s' % (
+            'Cielo24 JOB', self.video_query.edx_id
+        )
+
+    def _THREEPLAY_UPLOAD(self):
+        """
+        Note: This is part of the old flow which was deprecated when transcript phase 1 was reased.
+        """
+        # TODO: this must be removed once existing 3rd party credentials are migrated according
+        # to the new workflow.
+        if self.video_query.inst_class.tp_proc is False:
+            return None
+
+        if self.encode_profile != 'desktop_mp4':
+            return None
+
+        ftp1 = ftplib.FTP(
+            self.auth_dict['threeplay_ftphost']
+        )
+        user = self.video_query.inst_class.tp_username.strip()
+        passwd = self.video_query.inst_class.tp_password.strip()
+        try:
+            ftp1.login(user, passwd)
+        except:
+            ErrorObject.print_error(
+                message='3Play Authentication Failure'
+            )
+        try:
+            ftp1.cwd(
+                self.video_query.inst_class.tp_speed
+            )
+        except:
+            ftp1.mkd(
+                self.video_query.inst_class.tp_speed
+            )
+            ftp1.cwd(
+                self.video_query.inst_class.tp_speed
+            )
+            os.chdir(self.node_work_directory)
+
+        ftp1.storbinary(
+            'STOR ' + self.encoded_file,
+            open(os.path.join(
+                self.node_work_directory,
+                self.encoded_file
+            ), 'rb')
+        )
+
+        os.chdir(homedir)
+
     def YOUTUBE_SFTP(self, review=False):
         if self.video_query.inst_class.yt_proc is False:
             if self.video_query.inst_class.review_proc is False:

static_config.yaml

 ---
 # This configuration should only have static settings.
 
+# 3PlayMedia FTP host for old workflow
+threeplay_ftphost: ftp.3playmedia.com
+
 # s3 bucket static prefixes
 edx_s3_processed_prefix: prod-edx/processed/
 edx_s3_rejected_prefix: prod-edx/rejected/