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371 lines
13 KiB
Python
371 lines
13 KiB
Python
try:
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from pydrive.auth import GoogleAuth
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from pydrive.drive import GoogleDrive
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except ImportError:
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pass
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import os, time
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from ub import config
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from sqlalchemy import *
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from sqlalchemy import exc
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import *
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from apiclient import errors
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import web
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dbpath = os.path.join(os.path.normpath(os.path.dirname(os.path.realpath(__file__)) + os.sep + ".." + os.sep), "gdrive.db")
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engine = create_engine('sqlite:///{0}'.format(dbpath), echo=False)
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Base = declarative_base()
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# Open session for database connection
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Session = sessionmaker()
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Session.configure(bind=engine)
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session = scoped_session(Session)
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class GdriveId(Base):
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__tablename__='gdrive_ids'
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id = Column(Integer, primary_key=True)
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gdrive_id = Column(Integer, unique=True)
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path = Column(String)
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__table_args__ = (UniqueConstraint('gdrive_id', 'path', name='_gdrive_path_uc'),)
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def __repr__(self):
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return str(self.path)
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class PermissionAdded(Base):
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__tablename__='permissions_added'
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id = Column(Integer, primary_key=True)
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gdrive_id = Column(Integer, unique=True)
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def __repr__(self):
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return str(self.gdrive_id)
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def migrate():
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if not engine.dialect.has_table(engine.connect(), "permissions_added"):
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PermissionAdded.__table__.create(bind = engine)
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for sql in session.execute("select sql from sqlite_master where type='table'"):
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if 'CREATE TABLE gdrive_ids' in sql[0]:
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currUniqueConstraint='UNIQUE (gdrive_id)'
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if currUniqueConstraint in sql[0]:
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sql=sql[0].replace(currUniqueConstraint, 'UNIQUE (gdrive_id, path)')
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sql=sql.replace(GdriveId.__tablename__, GdriveId.__tablename__+ '2')
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session.execute(sql)
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session.execute('INSERT INTO gdrive_ids2 (id, gdrive_id, path) SELECT id, gdrive_id, path FROM gdrive_ids;')
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session.commit()
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session.execute('DROP TABLE %s' % 'gdrive_ids')
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session.execute('ALTER TABLE gdrive_ids2 RENAME to gdrive_ids')
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break
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if not os.path.exists(dbpath):
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try:
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Base.metadata.create_all(engine)
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except Exception:
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raise
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migrate()
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def getDrive(gauth=None):
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if not gauth:
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gauth=GoogleAuth(settings_file='settings.yaml')
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# Try to load saved client credentials
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gauth.LoadCredentialsFile("gdrive_credentials")
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if gauth.access_token_expired:
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# Refresh them if expired
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gauth.Refresh()
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else:
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# Initialize the saved creds
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gauth.Authorize()
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# Save the current credentials to a file
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return GoogleDrive(gauth)
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def getEbooksFolder(drive=None):
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if not drive:
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drive = getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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ebooksFolder= "title = '%s' and 'root' in parents and mimeType = 'application/vnd.google-apps.folder' and trashed = false" % config.config_google_drive_folder
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fileList = drive.ListFile({'q': ebooksFolder}).GetList()
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return fileList[0]
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def getEbooksFolderId(drive=None):
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storedPathName=session.query(GdriveId).filter(GdriveId.path == '/').first()
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if storedPathName:
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return storedPathName.gdrive_id
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else:
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gDriveId=GdriveId()
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gDriveId.gdrive_id=getEbooksFolder(drive)['id']
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gDriveId.path='/'
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session.merge(gDriveId)
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session.commit()
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return
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def getFolderInFolder(parentId, folderName, drive=None):
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if not drive:
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drive = getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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folder= "title = '%s' and '%s' in parents and mimeType = 'application/vnd.google-apps.folder' and trashed = false" % (folderName.replace("'", "\\'"), parentId)
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fileList = drive.ListFile({'q': folder}).GetList()
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return fileList[0]
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def getFile(pathId, fileName, drive=None):
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if not drive:
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drive = getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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metaDataFile="'%s' in parents and trashed = false and title = '%s'" % (pathId, fileName.replace("'", "\\'"))
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fileList = drive.ListFile({'q': metaDataFile}).GetList()
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return fileList[0]
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def getFolderId(path, drive=None):
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if not drive:
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drive=getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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currentFolderId=getEbooksFolderId(drive)
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sqlCheckPath=path if path[-1] =='/' else path + '/'
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storedPathName=session.query(GdriveId).filter(GdriveId.path == sqlCheckPath).first()
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if not storedPathName:
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dbChange=False
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s=path.split('/')
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for i, x in enumerate(s):
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if len(x) > 0:
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currentPath="/".join(s[:i+1])
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if currentPath[-1] != '/':
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currentPath = currentPath + '/'
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storedPathName=session.query(GdriveId).filter(GdriveId.path == currentPath).first()
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if storedPathName:
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currentFolderId=storedPathName.gdrive_id
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else:
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currentFolderId=getFolderInFolder(currentFolderId, x, drive)['id']
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gDriveId=GdriveId()
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gDriveId.gdrive_id=currentFolderId
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gDriveId.path=currentPath
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session.merge(gDriveId)
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dbChange=True
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if dbChange:
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session.commit()
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else:
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currentFolderId=storedPathName.gdrive_id
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return currentFolderId
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def getFileFromEbooksFolder(drive, path, fileName):
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if not drive:
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drive=getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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if path:
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sqlCheckPath=path if path[-1] =='/' else path + '/'
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folderId=getFolderId(path, drive)
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else:
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folderId=getEbooksFolderId(drive)
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return getFile(folderId, fileName, drive)
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def copyDriveFileRemote(drive, origin_file_id, copy_title):
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if not drive:
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drive=getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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copied_file = {'title': copy_title}
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try:
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file_data = drive.auth.service.files().copy(
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fileId=origin_file_id, body=copied_file).execute()
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return drive.CreateFile({'id': file_data['id']})
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except errors.HttpError as error:
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print ('An error occurred: %s' % error)
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return None
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def downloadFile(drive, path, filename, output):
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if not drive:
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drive=getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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f=getFileFromEbooksFolder(drive, path, filename)
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f.GetContentFile(output)
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def backupCalibreDbAndOptionalDownload(drive, f=None):
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pass
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if not drive:
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drive=getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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metaDataFile="'%s' in parents and title = 'metadata.db' and trashed = false" % getEbooksFolderId()
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fileList = drive.ListFile({'q': metaDataFile}).GetList()
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databaseFile=fileList[0]
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if f:
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databaseFile.GetContentFile(f)
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def copyToDrive(drive, uploadFile, createRoot, replaceFiles,
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ignoreFiles=[],
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parent=None, prevDir=''):
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if not drive:
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drive=getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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isInitial=not bool(parent)
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if not parent:
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parent=getEbooksFolder(drive)
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if os.path.isdir(os.path.join(prevDir,uploadFile)):
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existingFolder=drive.ListFile({'q' : "title = '%s' and '%s' in parents and trashed = false" % (os.path.basename(uploadFile), parent['id'])}).GetList()
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if len(existingFolder) == 0 and (not isInitial or createRoot):
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parent = drive.CreateFile({'title': os.path.basename(uploadFile), 'parents' : [{"kind": "drive#fileLink", 'id' : parent['id']}],
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"mimeType": "application/vnd.google-apps.folder" })
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parent.Upload()
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else:
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if (not isInitial or createRoot) and len(existingFolder) > 0:
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parent=existingFolder[0]
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for f in os.listdir(os.path.join(prevDir,uploadFile)):
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if f not in ignoreFiles:
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copyToDrive(drive, f, True, replaceFiles, ignoreFiles, parent, os.path.join(prevDir,uploadFile))
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else:
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if os.path.basename(uploadFile) not in ignoreFiles:
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existingFiles=drive.ListFile({'q' : "title = '%s' and '%s' in parents and trashed = false" % (os.path.basename(uploadFile), parent['id'])}).GetList()
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if len(existingFiles) > 0:
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driveFile=existingFiles[0]
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else:
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driveFile = drive.CreateFile({'title': os.path.basename(uploadFile), 'parents' : [{"kind": "drive#fileLink", 'id' : parent['id']}], })
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driveFile.SetContentFile(os.path.join(prevDir,uploadFile))
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driveFile.Upload()
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def uploadFileToEbooksFolder(drive, destFile, f):
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if not drive:
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drive=getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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parent=getEbooksFolder(drive)
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splitDir=destFile.split('/')
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for i, x in enumerate(splitDir):
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if i == len(splitDir)-1:
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existingFiles=drive.ListFile({'q' : "title = '%s' and '%s' in parents and trashed = false" % (x, parent['id'])}).GetList()
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if len(existingFiles) > 0:
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driveFile=existingFiles[0]
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else:
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driveFile = drive.CreateFile({'title': x, 'parents' : [{"kind": "drive#fileLink", 'id' : parent['id']}], })
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driveFile.SetContentFile(f)
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driveFile.Upload()
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else:
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existingFolder=drive.ListFile({'q' : "title = '%s' and '%s' in parents and trashed = false" % (x, parent['id'])}).GetList()
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if len(existingFolder) == 0:
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parent = drive.CreateFile({'title': x, 'parents' : [{"kind": "drive#fileLink", 'id' : parent['id']}],
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"mimeType": "application/vnd.google-apps.folder" })
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parent.Upload()
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else:
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parent=existingFolder[0]
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def watchChange(drive, channel_id, channel_type, channel_address,
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channel_token=None, expiration=None):
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if not drive:
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drive=getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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"""Watch for all changes to a user's Drive.
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Args:
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service: Drive API service instance.
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channel_id: Unique string that identifies this channel.
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channel_type: Type of delivery mechanism used for this channel.
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channel_address: Address where notifications are delivered.
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channel_token: An arbitrary string delivered to the target address with
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each notification delivered over this channel. Optional.
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channel_address: Address where notifications are delivered. Optional.
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Returns:
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The created channel if successful
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Raises:
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apiclient.errors.HttpError: if http request to create channel fails.
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"""
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body = {
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'id': channel_id,
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'type': channel_type,
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'address': channel_address
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}
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if channel_token:
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body['token'] = channel_token
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if expiration:
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body['expiration'] = expiration
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return drive.auth.service.changes().watch(body=body).execute()
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def watchFile(drive, file_id, channel_id, channel_type, channel_address,
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channel_token=None, expiration=None):
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"""Watch for any changes to a specific file.
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Args:
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service: Drive API service instance.
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file_id: ID of the file to watch.
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channel_id: Unique string that identifies this channel.
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channel_type: Type of delivery mechanism used for this channel.
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channel_address: Address where notifications are delivered.
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channel_token: An arbitrary string delivered to the target address with
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each notification delivered over this channel. Optional.
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channel_address: Address where notifications are delivered. Optional.
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Returns:
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The created channel if successful
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Raises:
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apiclient.errors.HttpError: if http request to create channel fails.
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"""
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if not drive:
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drive=getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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body = {
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'id': channel_id,
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'type': channel_type,
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'address': channel_address
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}
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if channel_token:
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body['token'] = channel_token
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if expiration:
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body['expiration'] = expiration
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return drive.auth.service.files().watch(fileId=file_id, body=body).execute()
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def stopChannel(drive, channel_id, resource_id):
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"""Stop watching to a specific channel.
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Args:
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service: Drive API service instance.
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channel_id: ID of the channel to stop.
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resource_id: Resource ID of the channel to stop.
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Raises:
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apiclient.errors.HttpError: if http request to create channel fails.
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"""
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if not drive:
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drive=getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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service=drive.auth.service
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body = {
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'id': channel_id,
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'resourceId': resource_id
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}
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return drive.auth.service.channels().stop(body=body).execute()
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def getChangeById (drive, change_id):
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if not drive:
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drive=getDrive()
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if drive.auth.access_token_expired:
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drive.auth.Refresh()
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"""Print a single Change resource information.
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Args:
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service: Drive API service instance.
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change_id: ID of the Change resource to retrieve.
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"""
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try:
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change = drive.auth.service.changes().get(changeId=change_id).execute()
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return change
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except errors.HttpError, error:
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web.app.logger.exception(error)
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return None
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