From 09c2d843576339004b23afb7fea7f81069dbcdff Mon Sep 17 00:00:00 2001
From: Zykino <Zykino@users.noreply.github.com>
Date: Mon, 14 Dec 2020 21:59:12 +0100
Subject: [PATCH] Add a progression bar to Peertube upload

---
 prismedia/pt_upload.py | 33 +++++++++++++++++++++++++++++++--
 1 file changed, 31 insertions(+), 2 deletions(-)

diff --git a/prismedia/pt_upload.py b/prismedia/pt_upload.py
index 7c779ad..512c24b 100644
--- a/prismedia/pt_upload.py
+++ b/prismedia/pt_upload.py
@@ -14,7 +14,8 @@ from tzlocal import get_localzone
 from configparser import RawConfigParser
 from requests_oauthlib import OAuth2Session
 from oauthlib.oauth2 import LegacyApplicationClient
-from requests_toolbelt.multipart.encoder import MultipartEncoder
+from requests_toolbelt import MultipartEncoder, MultipartEncoderMonitor
+from clint.textui.progress import Bar as ProgressBar
 
 from . import utils
 logger = logging.getLogger('Prismedia')
@@ -303,7 +304,9 @@ def upload_video(oauth, secret, options):
     if options.get('--url-only') or options.get('--batch'):
         logger_stdout = logging.getLogger('stdoutlogs')
 
-    multipart_data = MultipartEncoder(fields)
+    encoder = MultipartEncoder(fields)
+    progress_callback = create_callback(encoder)
+    multipart_data = MultipartEncoderMonitor(encoder, progress_callback)
 
     headers = {
         'Content-Type': multipart_data.content_type
@@ -311,12 +314,14 @@ def upload_video(oauth, secret, options):
     response = oauth.post(url + "/api/v1/videos/upload",
                           data=multipart_data,
                           headers=headers)
+
     if response is not None:
         if response.status_code == 200:
             jresponse = response.json()
             jresponse = jresponse['video']
             uuid = jresponse['uuid']
             video_id = str(jresponse['id'])
+
             logger.info('Peertube: Video was successfully uploaded.')
             template = 'Peertube: Watch it at %s/videos/watch/%s.'
             logger.info(template % (url, uuid))
@@ -333,6 +338,30 @@ def upload_video(oauth, secret, options):
                            '%s') % response)
             exit(1)
 
+upload_finished = False
+def create_callback(encoder):
+    encoder_len = encoder.len
+    upload_size_MB = encoder_len * (1 / (1024 * 1024))
+
+    bar = ProgressBar(expected_size=100, label=f"Peertube upload progress ({upload_size_MB:.2f}MB) ", filled_char='=')
+
+    def callback(monitor):
+        # We want the condition to capture the varible from the parent scope, not a local variable that is created after
+        global upload_finished
+        percentage = int((monitor.bytes_read / encoder_len) * 100)
+        bar.show(percentage)
+
+        if monitor.bytes_read == encoder_len:
+            if not upload_finished:
+                # We get two time in the callback with both bytes equals, skip the first
+                upload_finished = True
+            else:
+                # Print a blank line to not (partly) override the progress bar
+                print()
+                logger.info("Peertube : Upload finish, Processing…")
+
+    return callback
+
 
 def run(options):
     secret = RawConfigParser()