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Dropbox sessions (#130)

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added file chunk support for files > 50MB, closes #129
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Rob 2017-12-29 13:22:49 -06:00 committed by GitHub
parent 9490f7565c
commit 55d6ca7464
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1 changed files with 28 additions and 3 deletions
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31
resources/lib/vfs.py
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@ -6,9 +6,10 @@ import xbmcgui
import zipfile import zipfile
import zlib import zlib
import os import os
import os.path
import sys import sys
import dropbox import dropbox
from dropbox.files import WriteMode from dropbox.files import WriteMode,CommitInfo,UploadSessionCursor
from pydrive.drive import GoogleDrive from pydrive.drive import GoogleDrive
from authorizers import DropboxAuthorizer,GoogleDriveAuthorizer from authorizers import DropboxAuthorizer,GoogleDriveAuthorizer
@ -118,6 +119,7 @@ class ZipFileSystem(Vfs):
return self.zip.infolist() return self.zip.infolist()
class DropboxFileSystem(Vfs): class DropboxFileSystem(Vfs):
MAX_CHUNK = 50 * 1000 * 1000 #dropbox uses 150, reduced to 50 for small mem systems
client = None client = None
APP_KEY = '' APP_KEY = ''
APP_SECRET = '' APP_SECRET = ''
@ -207,11 +209,34 @@ class DropboxFileSystem(Vfs):
dest = self._fix_slashes(dest) dest = self._fix_slashes(dest)
if(self.client != None): if(self.client != None):
#open the file and get its size
f = open(source,'rb') f = open(source,'rb')
f_size = os.path.getsize(source)
try: try:
response = self.client.files_upload(f.read(),dest,mode=WriteMode('overwrite')) if(f_size < self.MAX_CHUNK):
#use the regular upload
response = self.client.files_upload(f.read(),dest,mode=WriteMode('overwrite'))
else:
#start the upload session
upload_session = self.client.files_upload_session_start(f.read(self.MAX_CHUNK))
upload_cursor = UploadSessionCursor(upload_session.session_id,f.tell())
while(f.tell() < f_size):
#check if we should finish the upload
if((f_size - f.tell()) <= self.MAX_CHUNK):
#upload and close
self.client.files_upload_session_finish(f.read(self.MAX_CHUNK),upload_cursor,CommitInfo(dest,mode=WriteMode('overwrite')))
else:
#upload a part and store the offset
self.client.files_upload_session_append_v2(f.read(self.MAX_CHUNK),upload_cursor)
upload_cursor.offset = f.tell()
#if no errors we're good!
return True return True
except: except Exception as anError:
utils.log(str(anError))
#if we have an exception retry #if we have an exception retry
if(retry): if(retry):
return self.put(source,dest,False) return self.put(source,dest,False)