mirror of
https://github.com/MCV-Software/TWBlue.git
synced 2024-11-23 11:48:07 -06:00
89 lines
3.7 KiB
Python
89 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import unicode_literals
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from builtins import object
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from past.utils import old_div
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import sys
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import threading
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import time
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import logging
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from .utils import convert_bytes
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from pubsub import pub
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log = logging.getLogger("extra.AudioUploader.transfer")
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from requests_toolbelt.multipart.encoder import MultipartEncoder, MultipartEncoderMonitor
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import requests
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import os
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class Upload(object):
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def __init__(self, field=None, obj=None, url=None, filename=None, follow_location=True, completed_callback=None, verbose=False, *args, **kwargs):
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super(Upload, self).__init__(*args, **kwargs)
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self.url=url
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self.filename=filename
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log.debug("Uploading audio to %s, filename %s" % (url, filename))
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self.start_time = None
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self.completed_callback = completed_callback
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self.background_thread = None
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self.transfer_rate = 0
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self.local_filename=os.path.basename(self.filename)
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if isinstance(self.local_filename, str):
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self.local_filename=self.local_filename.encode(sys.getfilesystemencoding())
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self.fin=open(self.filename, 'rb')
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self.m = MultipartEncoder(fields={field:(self.local_filename, self.fin, "application/octet-stream")})
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self.monitor = MultipartEncoderMonitor(self.m, self.progress_callback)
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self.response=None
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self.obj=obj
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self.follow_location=follow_location
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#the verbose parameter is deprecated and will be removed soon
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def elapsed_time(self):
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if not self.start_time:
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return 0
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return time.time() - self.start_time
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def progress_callback(self, monitor):
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progress = {}
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progress["total"] = monitor.len
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progress["current"] = monitor.bytes_read
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if progress["current"] == 0:
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progress["percent"] = 0
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self.transfer_rate = 0
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else:
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progress["percent"] = int((float(progress["current"]) / progress["total"]) * 100)
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self.transfer_rate = old_div(progress["current"], self.elapsed_time())
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progress["speed"] = '%s/s' % convert_bytes(self.transfer_rate)
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if self.transfer_rate:
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progress["eta"] = old_div((progress["total"] - progress["current"]), self.transfer_rate)
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else:
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progress["eta"] = 0
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pub.sendMessage("uploading", data=progress)
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def perform_transfer(self):
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log.debug("starting upload...")
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self.start_time = time.time()
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self.response=requests.post(url=self.url, data=self.monitor, headers={"Content-Type":self.m.content_type}, allow_redirects=self.follow_location, stream=True)
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log.debug("Upload finished.")
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self.complete_transfer()
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def perform_threaded(self, *args, **kwargs):
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self.background_thread = threading.Thread(target=self.perform_transfer)
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self.background_thread.daemon = True
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self.background_thread.start()
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def complete_transfer(self):
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if callable(self.completed_callback):
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self.completed_callback(self.obj)
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if hasattr(self,'fin') and callable(self.fin.close):
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self.fin.close()
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def get_url(self):
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try:
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data = self.response.json()
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except:
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return _("Error in file upload: {0}").format(self.data.content,)
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if "url" in data and data["url"] != "0":
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return data["url"]
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elif "error" in data and data["error"] != "0":
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return data["error"]
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else:
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return _("Error in file upload: {0}").format(self.data.content,)
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