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