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|
import pysftp import paramiko import os import unittest import json import warnings warnings.filterwarnings( "ignore" ) class SftpUtils( object ): """ cmd: execute shell command on remote linux server. exist_file : if remote path exists on remote return True ,else return False. exist_dir : if remote path exists on remote return True ,else return False. is_dir: if remote path is dir return True ,else return False. is_file : if remote path is file return True ,else return False. remove: remove the remote file on remote linux . rm: remove dir and all files/dir under remote dir and dir it self. mkdir: mkdir dir on remote linux but it parent dir must exists ,if it already exist delete remote dir exists first and mkdir remote dir . makedirs: mkdir the dir on remote linux , if it parent dir and dir self not exists, it will mkdir parent dir and dir, else mkdir dir. get: get remote linux file to local ,local filename and remote filename must absolute filepath. put: upload local file to remote linux local filename and remote filename must absolute filepath. rename: rename a file or directory on the remote host :param str remote_src: the remote file/directory to rename :param str remote_dest: the remote file/directory to put it open: read remote file content and return readlines list cwd : cd curdir to newdir getcwd: get remote linux cursor current dir path and return it chmod : change file r,w,x grants. chown: change file or dir owner opens: read and write file on remote linux ,if remote file not exists it will create it first when write . exists: if dir or file exists on remote linux return True ,else return False . list_dir: query all files under dir ,the same with shell ls -l -a dir/ . ger_recursive: recursive copy remote files or dir under remote dir to localdir put_recursive: recursive copy localdir's all file or dir under it to remote dir """ def __init__( self , ip, port, user, pwd): self .ip = ip self .port = port self .user = user self .pwd = pwd self .sftp = self .sftp_client() def sftp_client( self ): # https://pysftp.readthedocs.io/en/release_0.2.9/cookbook.html#pysftp-cnopts # private_key="/home/app/privatekey_file" cnopts = pysftp.CnOpts() cnopts.hostkeys = None sftp = pysftp.Connection(host = self .ip, username = self .user, password = self .pwd, port = self .port, cnopts = cnopts) return sftp def cmd( self , shell_cmd: str ): """get stdout or err""" std = self .sftp.execute(shell_cmd) if std: readlines = '' for line in std: readlines = readlines + line.decode( "utf-8" ) return readlines def exists_file( self , filepath): try : self .sftp.stat(filepath) except Exception: return False else : return True def exists_dir( self , dirpath): try : self .sftp.stat(dirpath) except Exception: return False else : return True def is_dir( self , dirpath): return True if self .sftp.isdir(remotepath = dirpath) else False def is_file( self , filepath): return True if self .sftp.isfile(remotepath = filepath) else False def remove( self , filepath): """remove remote file""" if self .exists_file(filepath): self .sftp.remove(filepath) else : raise FileNotFoundError( "%s file not find on remote ! " % filepath) def rm( self , dirpath): """ rmdir just delete empty dirs """ if self .exists_dir(dirpath): files = self .sftp.listdir(dirpath) for file in files: filepath = os.path.join(dirpath, file ).replace( "\" , '/' ) if self .is_dir(filepath): self .rm(filepath) else : self .remove(filepath) self .sftp.rmdir(dirpath) else : raise FileNotFoundError( "%s dir not find on remote !" % dirpath) def mkdir( self , remote_dir): """parent dir must exists""" if self .exists(remote_dir): self .rm(remote_dir) self .sftp.mkdir(remotepath = remote_dir) else : self .sftp.mkdir(remotepath = remote_dir) def mkdirs( self , remote_dir): """mkdir -p /usr/local/mkdir,it can create dir that parent dirs not exists,if exists,it can also create""" self .sftp.makedirs(remotedir = remote_dir) def get( self , remote_path, local_path): """sftp get,download """ self .sftp.get(remotepath = remote_path, localpath = local_path, callback = None ) def put( self , local_path, remote_path): """sftp put,upload """ self .sftp.put(localpath = local_path, remotepath = remote_path) def rename( self , remote_path, new_name_path): """rename file or dir on remote """ self .sftp.rename(remote_src = remote_path, remote_dest = new_name_path) def open ( self , remote_filepath, mode): """open 'r+' or 'r' file ,return str""" readlines = self .sftp. open (remote_file = remote_filepath, mode = mode) return list (readlines) def getcwd( self ): return self .sftp.getcwd() def cwd( self , remote_path): """change dir to given remote_path""" return self .sftp.cwd(remotepath = remote_path) def chmod( self , remote_path, mode: int ): """ change file grants for w,r,x""" self .sftp.chmod(remotepath = remote_path, mode = mode) def chown( self , remote_path, uid: int , gid: int ): """change owner of user and group """ self .sftp.chown(remote_path, uid, gid) def chdir( self , remote_path): """cwd()== chdir()""" self .sftp.chdir(remote_path) def touch( self , filepath): """if exists ,pass it or raise exception """ if self .exists_file(filepath): self .remove(filepath) self .sftp_client().execute( "touch %s" % filepath) else : self .sftp_client().execute( "touch %s" % filepath) def close( self ): self .sftp.close() def opens( self , filepath, mode, file_data = None ): """file remote read and write ,return str""" tp = paramiko.Transport( self .ip, self .port) tp.connect(username = self .user, password = self .pwd) pipe = paramiko.sftp_client.SFTPClient.from_transport(tp) if mode = = "w" or mode = = "w+" : with pipe. open (filepath, mode) as f: f.write(file_data) else : if mode = = "r" or mode = = "r+" : with pipe. open (filepath, mode)as f: return f.read().decode( "utf-8" ) def exists( self ,remotepath): return True if self .sftp.exists(remotepath) else False def list_dir( self , dir ): return self .sftp.listdir( dir ) def get_recursive( self ,remote_dir,localpdir,): """ preserve modification time on files if True keep modify file or dir last operate time ,else False localpdir : the parent dir path of local receive linux dir remote_dir : the target of copy remote_dir ,the result dir name is same with remote """ remote_pdir = os.path.dirname(remote_dir) # local_pdir = os.path.dirname(localdir) remote_target_dir = os.path.split(remote_dir)[ - 1 ] self .sftp.chdir(remote_pdir) #cd remote_pdir if self .exists(localpdir): self .sftp.get_r(remote_target_dir,localpdir,preserve_mtime = False ) else : #local create localdir pdir that not exisit os.makedirs(localpdir) self .sftp.get_r(remote_target_dir, localpdir, preserve_mtime = False ) def put_recursive( self ,localdir,remote_pdir,preserve_mtime = False ): """ remote_pdir: the parent dir of receive local targetdir ,if parent exists copy target same target dirname diredctly to remote_dir,if parent dir not exists ,first makedirs parent dir of remote_pdir,then copy same name target dirname to remote_pdir localdir: local target dir absolute dir path """ local_targetdir = os.path.split(localdir)[ - 1 ] remote_receivedir = os.path.join(remote_pdir, local_targetdir) local_pdir = os.path.dirname(localdir) os.chdir(local_pdir) #cd local pdir if self .sftp.exists(remote_receivedir): self .sftp.put_r(local_targetdir,remote_receivedir) else : #remote create pdir not exists self .sftp.makedirs(remote_receivedir) self .sftp.put_r( local_targetdir,remote_receivedir,preserve_mtime) def local_rm(dirpath): if os.path.exists(dirpath): files = os.listdir(dirpath) for file in files: filepath = os.path.join(dirpath, file ).replace( "\" , '/' ) if os.path.isdir(filepath): local_rm(filepath) else : os.remove(filepath) os.rmdir(dirpath) class TestSftp(unittest.TestCase): @classmethod def setUpClass( cls ): cls .sftp = SftpUtils(ip = "192.168.110.151" ,port = 22 ,user = "root" ,pwd = "admin" ) @classmethod def tearDownClass( cls ): pass def test_cmd( self ): shell = "ip addr " readlines = self .sftp.cmd(shell) self .assertIn( "192.168.110.151" ,readlines) def test_touch( self ): path = "/usr/local/test.txt" self .sftp.touch(path) res = self .sftp.exists(path) self .assertEqual(res, True ) r = self .sftp.is_file(path) self .assertEqual(r, True ) self .sftp.remove(path) res2 = self .sftp.exists(path) self .assertEqual(res2, False ) def test_isdir( self ): r = self .sftp.is_dir( "/usr/local" ) self .assertEqual(r, True ) k = self .sftp.is_dir( "/fff/fcdh" ) self .assertEqual(k, False ) def test_isfile( self ): r = "/usr/tets.txt" res = self .sftp.is_file(r) self .assertEqual(res, False ) def test_mkdir( self ): self .sftp.mkdir( "/usr/local/testmkdir" ) r = self .sftp.exists( "/usr/local/testmkdir" ) self .assertEqual(r, True ) # self.sftp.rm("/usr/local/testmkdir") def test_makedirs( self ): path = "/usr/local/makedirs/mk1" self .sftp.mkdirs(path) r = self .sftp.exists(path) self .assertEqual(r, True ) def test_rm( self ): path = "/usr/local/testrm/rmdir/" self .sftp.mkdirs(path) files = self .sftp.list_dir( "/usr/local/testrm" ) self .assertIn( 'rmdir' ,files) self .sftp.touch(path + "test.txt" ) self .sftp.rm( "/usr/local/testrm" ) r = self .sftp.exists(path) self .assertEqual(r, False ) def test_opens( self ): path = "/usr/local/test.txt" data = { "k" : 99 , "v" :{ "a" : 9990 }, "dd" : 0 , "oo" : 6556 } self .sftp.opens(path, 'w+' ,json.dumps(data)) lines = self .sftp. open (path, 'r' ) def test_get_r( self ): remote = "/usr/local/listdir" local = "/usr/local/ttt" # self.sftp.chdir("/usr/local") # get current dir # print(self.sftp.getcwd()) self .sftp.get_recursive(remote,local) local_rm(local) def test_put_r( self ): local = "/usr/local/upload/listdir" remote = "/usr/local/rrre" self .sftp.put_recursive(local,remote) self .sftp.rm(remote) if __name__ = = '__main__' : unittest.main(verbosity = 2 ) |
测试:
python -m unittest sftp_tools.TestSftp
[root@hostuser local]# sh sftptool.sh
..........
----------------------------------------------------------------------
Ran 10 tests in 3.017s
OK