<s> import os <EOL> import threading <EOL> import paramiko <EOL> from paramiko import PasswordRequiredException , SSHException <EOL> from stat import S_ISDIR <EOL> from onitu . plug import Plug , DriverError , ServiceError <EOL> from onitu . escalator . client import EscalatorClosed <EOL> plug = Plug ( ) <EOL> events_to_ignore = set ( ) <EOL> sftp = None <EOL> def get_private_key ( pkey_path , passphrase ) : <EOL> """<STR_LIT>""" <EOL> error = None <EOL> private_key = None <EOL> try : <EOL> private_key = paramiko . RSAKey . from_private_key_file ( <EOL> pkey_path , password = passphrase ) <EOL> except IOError as e : <EOL> error = u"<STR_LIT>" . format ( pkey_path , e ) <EOL> except PasswordRequiredException as pre : <EOL> error = ( u"<STR_LIT>" <EOL> . format ( pkey_path , pre ) ) <EOL> except SSHException as se : <EOL> error = u"<STR_LIT>" . format ( pkey_path , se ) <EOL> finally : <EOL> if error is not None : <EOL> raise DriverError ( u"<STR_LIT>" <EOL> . format ( error ) ) <EOL> return private_key <EOL> def get_SFTP_client ( hostname , port , username , password , <EOL> pkey_path , passphrase ) : <EOL> """<STR_LIT>""" <EOL> transport = paramiko . Transport ( ( hostname , port ) ) <EOL> try : <EOL> if password != '<STR_LIT>' : <EOL> transport . connect ( username = username , password = password ) <EOL> else : <EOL> pkey_path = os . path . expanduser ( pkey_path ) <EOL> privateKey = get_private_key ( pkey_path , passphrase ) <EOL> transport . connect ( username = username , pkey = privateKey ) <EOL> except SSHException as se : <EOL> raise DriverError ( u"<STR_LIT>" . format ( se ) ) <EOL> sftpClient = paramiko . SFTPClient . from_transport ( transport ) <EOL> return sftpClient <EOL> def get_SFTP_client_from_plug ( ) : <EOL> """<STR_LIT>""" <EOL> return get_SFTP_client ( plug . options [ '<STR_LIT>' ] , <EOL> plug . options [ '<STR_LIT:port>' ] , <EOL> plug . options [ '<STR_LIT:username>' ] , <EOL> plug . options [ '<STR_LIT:password>' ] , <EOL> plug . options [ '<STR_LIT>' ] , <EOL> plug . options [ '<STR_LIT>' ] ) <EOL> def create_file_subdirs ( sftpClient , filepath ) : <EOL> lastSlash = filepath . rindex ( u"<STR_LIT:/>" ) <EOL> finalPath = filepath [ : lastSlash ] <EOL> dirs = finalPath . split ( u"<STR_LIT:/>" ) <EOL> currentDir = u"<STR_LIT>" <EOL> doStat = True <EOL> try : <EOL> while dirs : <EOL> currentDir += dirs . pop ( <NUM_LIT:0> ) + u"<STR_LIT:/>" <EOL> if doStat : <EOL> try : <EOL> sftpClient . stat ( currentDir ) <EOL> except IOError as ioe : <EOL> if ioe . errno == <NUM_LIT:2> : <EOL> sftpClient . mkdir ( currentDir ) <EOL> doStat = False <EOL> else : <EOL> raise <EOL> else : <EOL> sftpClient . mkdir ( currentDir ) <EOL> except IOError as ioe : <EOL> raise ServiceError ( u"<STR_LIT>" <EOL> . format ( finalPath , ioe ) ) <EOL> def update_metadata ( metadata , mtime , update_file = False ) : <EOL> metadata . extra [ '<STR_LIT>' ] = mtime <EOL> metadata . write ( ) <EOL> if update_file : <EOL> plug . update_file ( metadata ) <EOL> @ plug . handler ( ) <EOL> def close ( ) : <EOL> plug . logger . debug ( "<STR_LIT>" ) <EOL> if sftp is not None : <EOL> sftp . close ( ) <EOL> @ plug . handler ( ) <EOL> def get_file ( metadata ) : <EOL> plug . logger . debug ( u"<STR_LIT>" , metadata . path ) <EOL> try : <EOL> f = sftp . open ( metadata . path , '<STR_LIT:r>' ) <EOL> f . prefetch ( ) <EOL> data = f . read ( ) <EOL> return data <EOL> except IOError as e : <EOL> raise ServiceError ( "<STR_LIT>" <EOL> . format ( metadata . path , e ) ) <EOL> @ plug . handler ( ) <EOL> def start_upload ( metadata ) : <EOL> plug . logger . debug ( u"<STR_LIT>" , metadata . path ) <EOL> try : <EOL> create_file_subdirs ( sftp , metadata . path ) <EOL> plug . logger . debug ( u"<STR_LIT>" , metadata . path ) <EOL> events_to_ignore . add ( metadata . path ) <EOL> except IOError as ioe : <EOL> raise ServiceError ( u"<STR_LIT>" <EOL> . format ( metadata . path , ioe ) ) <EOL> @ plug . handler ( ) <EOL> def upload_file ( metadata , content ) : <EOL> plug . logger . debug ( u"<STR_LIT>" , metadata . path ) <EOL> try : <EOL> f = sftp . open ( metadata . path , '<STR_LIT>' ) <EOL> f . write ( content ) <EOL> f . close ( ) <EOL> except ( IOError , OSError ) as e : <EOL> raise ServiceError ( "<STR_LIT>" <EOL> . format ( metadata . path , e ) ) <EOL> plug . logger . debug ( u"<STR_LIT>" , metadata . path ) <EOL> @ plug . handler ( ) <EOL> def end_upload ( metadata ) : <EOL> plug . logger . debug ( u"<STR_LIT>" , metadata . path ) <EOL> try : <EOL> stat_res = sftp . stat ( metadata . path ) <EOL> update_metadata ( metadata , stat_res . st_mtime , <EOL> update_file = False ) <EOL> except ( IOError , OSError ) as e : <EOL> raise ServiceError ( u"<STR_LIT>" <EOL> . format ( metadata . path , e ) ) <EOL> finally : <EOL> if metadata . path in events_to_ignore : <EOL> plug . logger . debug ( u"<STR_LIT>" , metadata . path ) <EOL> events_to_ignore . remove ( metadata . path ) <EOL> @ plug . handler ( ) <EOL> def abort_upload ( metadata ) : <EOL> plug . logger . debug ( u"<STR_LIT>" , metadata . path ) <EOL> delete_file ( metadata ) <EOL> @ plug . handler ( ) <EOL> def delete_file ( metadata ) : <EOL> plug . logger . debug ( u"<STR_LIT>" , metadata . path ) <EOL> try : <EOL> sftp . remove ( metadata . path ) <EOL> except ( IOError , OSError ) as e : <EOL> raise ServiceError ( u"<STR_LIT>" <EOL> . format ( metadata . path , e ) ) <EOL> finally : <EOL> if metadata . path in events_to_ignore : <EOL> plug . logger . debug ( u"<STR_LIT>" , metadata . path ) <EOL> events_to_ignore . remove ( metadata . path ) <EOL> @ plug . handler ( ) <EOL> def move_file ( old_metadata , new_metadata ) : <EOL> plug . logger . debug ( u"<STR_LIT>" , <EOL> old_metadata . path , new_metadata . path ) <EOL> try : <EOL> create_file_subdirs ( sftp , new_metadata . path ) <EOL> sftp . rename ( old_metadata . path , new_metadata . path ) <EOL> except IOError as ioe : <EOL> raise ServiceError ( u"<STR_LIT>" <EOL> . format ( old_metadata . path , new_metadata . path , ioe ) ) <EOL> class CheckChanges ( threading . Thread ) : <EOL> def __init__ ( self , folder , sftpClient , timer ) : <EOL> super ( CheckChanges , self ) . __init__ ( ) <EOL> self . stopEvent = threading . Event ( ) <EOL> self . folder = folder <EOL> self . sftp = sftpClient <EOL> self . timer = timer <EOL> self . deletedFiles = { } <EOL> dirPath = folder . path <EOL> if not dirPath . endswith ( u"<STR_LIT:/>" ) : <EOL> dirPath += u"<STR_LIT:/>" <EOL> try : <EOL> create_file_subdirs ( self . sftp , dirPath ) <EOL> plug . logger . debug ( u"<STR_LIT>" , dirPath ) <EOL> self . sftp . chdir ( dirPath ) <EOL> except IOError as e : <EOL> raise ServiceError ( u"<STR_LIT>" <EOL> . format ( dirPath , e ) ) <EOL> def check_directory ( self , path ) : <EOL> """<STR_LIT>""" <EOL> plug . logger . debug ( u"<STR_LIT>" . format ( path ) ) <EOL> files = self . sftp . listdir_attr ( path ) <EOL> folders = [ ] <EOL> for f in files : <EOL> if S_ISDIR ( f . st_mode ) : <EOL> folders . append ( f ) <EOL> else : <EOL> self . check_regular_file ( path , f ) <EOL> for folder in folders : <EOL> dirPath = folder . filename <EOL> if path != "<STR_LIT:.>" : <EOL> dirPath = "<STR_LIT>" . format ( path , dirPath ) <EOL> self . check_directory ( dirPath ) <EOL> def check_regular_file ( self , path , regFile ) : <EOL> """<STR_LIT>""" <EOL> filePath = regFile . filename <EOL> if path != "<STR_LIT:.>" : <EOL> filePath = "<STR_LIT>" . format ( path , filePath ) <EOL> plug . logger . debug ( u"<STR_LIT>" , filePath ) <EOL> metadata = plug . get_metadata ( filePath , self . folder ) <EOL> onitu_mtime = metadata . extra . get ( '<STR_LIT>' , <NUM_LIT:0> ) <EOL> if regFile . st_mtime > onitu_mtime : <EOL> plug . logger . debug ( u"<STR_LIT>" , filePath ) <EOL> metadata . size = regFile . st_size <EOL> if metadata . path not in events_to_ignore : <EOL> update_metadata ( metadata , regFile . st_mtime , <EOL> update_file = True ) <EOL> else : <EOL> plug . logger . debug ( u"<STR_LIT>" , <EOL> metadata . path ) <EOL> else : <EOL> plug . logger . debug ( u"<STR_LIT>" , filePath ) <EOL> if filePath in self . deletedFiles : <EOL> del self . deletedFiles [ filePath ] <EOL> def delete_removed_files ( self ) : <EOL> """<STR_LIT>""" <EOL> for filePath in self . deletedFiles . keys ( ) : <EOL> if filePath not in events_to_ignore : <EOL> metadata = plug . get_metadata ( filePath , self . folder ) <EOL> plug . delete_file ( metadata ) <EOL> def run ( self ) : <EOL> while not self . stopEvent . isSet ( ) : <EOL> try : <EOL> plug . logger . debug ( u"<STR_LIT>" , <EOL> self . folder . path ) <EOL> self . deletedFiles = plug . list ( self . folder ) <EOL> self . check_directory ( "<STR_LIT:.>" ) <EOL> self . delete_removed_files ( ) <EOL> except EscalatorClosed : <EOL> self . stop ( ) <EOL> return <EOL> except IOError as ioe : <EOL> plug . logger . error ( u"<STR_LIT>" <EOL> u"<STR_LIT>" , self . folder . path , ioe ) <EOL> plug . logger . debug ( "<STR_LIT>" , self . timer ) <EOL> self . stopEvent . wait ( self . timer ) <EOL> def stop ( self ) : <EOL> plug . logger . debug ( "<STR_LIT>" ) <EOL> self . sftp . close ( ) <EOL> self . stopEvent . set ( ) <EOL> def start ( ) : <EOL> if ( plug . options . get ( '<STR_LIT:password>' , None ) is None <EOL> and plug . options . get ( '<STR_LIT>' , None ) is None ) : <EOL> raise DriverError ( "<STR_LIT>" ) <EOL> global sftp <EOL> sftp = get_SFTP_client_from_plug ( ) <EOL> timer = plug . options [ '<STR_LIT>' ] <EOL> for folder in plug . folders_to_watch : <EOL> sftpClient = get_SFTP_client_from_plug ( ) <EOL> check_changes = CheckChanges ( folder , sftpClient , timer ) <EOL> check_changes . daemon = True <EOL> check_changes . start ( ) <EOL> plug . listen ( ) </s>
