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Fixing error with uploading new book / metadata as file was being backed up

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This commit is contained in:
Jack 2017-03-02 00:28:30 +00:00
parent 8e85d1b5bd
commit b8137d2c70
1 changed files with 5 additions and 3 deletions
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8
cps/web.py
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@ -51,6 +51,7 @@ from tornado.ioloop import IOLoop
import shutil
import StringIO
import gdriveutils
import tempfile
import io
import hashlib
import threading
@ -1274,12 +1275,13 @@ def on_received_watch_confirmation():
if response:
dbpath = os.path.join(config.config_calibre_dir, "metadata.db")
if not response['deleted'] and response['file']['title'] == 'metadata.db' and response['file']['md5Checksum'] != md5(dbpath):
tmpDir=tempfile.gettempdir()
app.logger.info ('Database file updated')
copyfile (dbpath, config.config_calibre_dir + "/metadata.db_" + str(current_milli_time()))
copyfile (dbpath, tmpDir + "/metadata.db_" + str(current_milli_time()))
app.logger.info ('Backing up existing and downloading updated metadata.db')
gdriveutils.downloadFile(Gdrive.Instance().drive, None, "metadata.db", config.config_calibre_dir + "/tmp_metadata.db")
gdriveutils.downloadFile(Gdrive.Instance().drive, None, "metadata.db", tmpDir + "/tmp_metadata.db")
app.logger.info ('Setting up new DB')
os.rename(config.config_calibre_dir + "/tmp_metadata.db", dbpath)
os.rename(tmpDir + "/tmp_metadata.db", dbpath)
db.setup_db()
except Exception, e:
app.logger.exception(e)