source file: /System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/ftplib.py
file stats: 510 lines, 83 executed: 16.3% covered
1. """An FTP client class and some helper functions. 2. 3. Based on RFC 959: File Transfer Protocol (FTP), by J. Postel and J. Reynolds 4. 5. Example: 6. 7. >>> from ftplib import FTP 8. >>> ftp = FTP('ftp.python.org') # connect to host, default port 9. >>> ftp.login() # default, i.e.: user anonymous, passwd anonymous@ 10. '230 Guest login ok, access restrictions apply.' 11. >>> ftp.retrlines('LIST') # list directory contents 12. total 9 13. drwxr-xr-x 8 root wheel 1024 Jan 3 1994 . 14. drwxr-xr-x 8 root wheel 1024 Jan 3 1994 .. 15. drwxr-xr-x 2 root wheel 1024 Jan 3 1994 bin 16. drwxr-xr-x 2 root wheel 1024 Jan 3 1994 etc 17. d-wxrwxr-x 2 ftp wheel 1024 Sep 5 13:43 incoming 18. drwxr-xr-x 2 root wheel 1024 Nov 17 1993 lib 19. drwxr-xr-x 6 1094 wheel 1024 Sep 13 19:07 pub 20. drwxr-xr-x 3 root wheel 1024 Jan 3 1994 usr 21. -rw-r--r-- 1 root root 312 Aug 1 1994 welcome.msg 22. '226 Transfer complete.' 23. >>> ftp.quit() 24. '221 Goodbye.' 25. >>> 26. 27. A nice test that reveals some of the network dialogue would be: 28. python ftplib.py -d localhost -l -p -l 29. """ 30. 31. # 32. # Changes and improvements suggested by Steve Majewski. 33. # Modified by Jack to work on the mac. 34. # Modified by Siebren to support docstrings and PASV. 35. # 36. 37. import os 38. import sys 39. 40. # Import SOCKS module if it exists, else standard socket module socket 41. try: 42. import SOCKS; socket = SOCKS; del SOCKS # import SOCKS as socket 43. from socket import getfqdn; socket.getfqdn = getfqdn; del getfqdn 44. except ImportError: 45. import socket 46. 47. __all__ = ["FTP","Netrc"] 48. 49. # Magic number from <socket.h> 50. MSG_OOB = 0x1 # Process data out of band 51. 52. 53. # The standard FTP server control port 54. FTP_PORT = 21 55. 56. 57. # Exception raised when an error or invalid response is received 58. class Error(Exception): pass 59. class error_reply(Error): pass # unexpected [123]xx reply 60. class error_temp(Error): pass # 4xx errors 61. class error_perm(Error): pass # 5xx errors 62. class error_proto(Error): pass # response does not begin with [1-5] 63. 64. 65. # All exceptions (hopefully) that may be raised here and that aren't 66. # (always) programming errors on our side 67. all_errors = (Error, socket.error, IOError, EOFError) 68. 69. 70. # Line terminators (we always output CRLF, but accept any of CRLF, CR, LF) 71. CRLF = '\r\n' 72. 73. 74. # The class itself 75. class FTP: 76. 77. '''An FTP client class. 78. 79. To create a connection, call the class using these argument: 80. host, user, passwd, acct 81. These are all strings, and have default value ''. 82. Then use self.connect() with optional host and port argument. 83. 84. To download a file, use ftp.retrlines('RETR ' + filename), 85. or ftp.retrbinary() with slightly different arguments. 86. To upload a file, use ftp.storlines() or ftp.storbinary(), 87. which have an open file as argument (see their definitions 88. below for details). 89. The download/upload functions first issue appropriate TYPE 90. and PORT or PASV commands. 91. ''' 92. 93. debugging = 0 94. host = '' 95. port = FTP_PORT 96. sock = None 97. file = None 98. welcome = None 99. passiveserver = 1 100. 101. # Initialization method (called by class instantiation). 102. # Initialize host to localhost, port to standard ftp port 103. # Optional arguments are host (for connect()), 104. # and user, passwd, acct (for login()) 105. def __init__(self, host='', user='', passwd='', acct=''): 106. if host: 107. self.connect(host) 108. if user: self.login(user, passwd, acct) 109. 110. def connect(self, host = '', port = 0): 111. '''Connect to host. Arguments are: 112. - host: hostname to connect to (string, default previous host) 113. - port: port to connect to (integer, default previous port)''' 114. if host: self.host = host 115. if port: self.port = port 116. msg = "getaddrinfo returns an empty list" 117. for res in socket.getaddrinfo(self.host, self.port, 0, socket.SOCK_STREAM): 118. af, socktype, proto, canonname, sa = res 119. try: 120. self.sock = socket.socket(af, socktype, proto) 121. self.sock.connect(sa) 122. except socket.error, msg: 123. if self.sock: 124. self.sock.close() 125. self.sock = None 126. continue 127. break 128. if not self.sock: 129. raise socket.error, msg 130. self.af = af 131. self.file = self.sock.makefile('rb') 132. self.welcome = self.getresp() 133. return self.welcome 134. 135. def getwelcome(self): 136. '''Get the welcome message from the server. 137. (this is read and squirreled away by connect())''' 138. if self.debugging: 139. print '*welcome*', self.sanitize(self.welcome) 140. return self.welcome 141. 142. def set_debuglevel(self, level): 143. '''Set the debugging level. 144. The required argument level means: 145. 0: no debugging output (default) 146. 1: print commands and responses but not body text etc. 147. 2: also print raw lines read and sent before stripping CR/LF''' 148. self.debugging = level 149. debug = set_debuglevel 150. 151. def set_pasv(self, val): 152. '''Use passive or active mode for data transfers. 153. With a false argument, use the normal PORT mode, 154. With a true argument, use the PASV command.''' 155. self.passiveserver = val 156. 157. # Internal: "sanitize" a string for printing 158. def sanitize(self, s): 159. if s[:5] == 'pass ' or s[:5] == 'PASS ': 160. i = len(s) 161. while i > 5 and s[i-1] in '\r\n': 162. i = i-1 163. s = s[:5] + '*'*(i-5) + s[i:] 164. return `s` 165. 166. # Internal: send one line to the server, appending CRLF 167. def putline(self, line): 168. line = line + CRLF 169. if self.debugging > 1: print '*put*', self.sanitize(line) 170. self.sock.sendall(line) 171. 172. # Internal: send one command to the server (through putline()) 173. def putcmd(self, line): 174. if self.debugging: print '*cmd*', self.sanitize(line) 175. self.putline(line) 176. 177. # Internal: return one line from the server, stripping CRLF. 178. # Raise EOFError if the connection is closed 179. def getline(self): 180. line = self.file.readline() 181. if self.debugging > 1: 182. print '*get*', self.sanitize(line) 183. if not line: raise EOFError 184. if line[-2:] == CRLF: line = line[:-2] 185. elif line[-1:] in CRLF: line = line[:-1] 186. return line 187. 188. # Internal: get a response from the server, which may possibly 189. # consist of multiple lines. Return a single string with no 190. # trailing CRLF. If the response consists of multiple lines, 191. # these are separated by '\n' characters in the string 192. def getmultiline(self): 193. line = self.getline() 194. if line[3:4] == '-': 195. code = line[:3] 196. while 1: 197. nextline = self.getline() 198. line = line + ('\n' + nextline) 199. if nextline[:3] == code and \ 200. nextline[3:4] != '-': 201. break 202. return line 203. 204. # Internal: get a response from the server. 205. # Raise various errors if the response indicates an error 206. def getresp(self): 207. resp = self.getmultiline() 208. if self.debugging: print '*resp*', self.sanitize(resp) 209. self.lastresp = resp[:3] 210. c = resp[:1] 211. if c == '4': 212. raise error_temp, resp 213. if c == '5': 214. raise error_perm, resp 215. if c not in '123': 216. raise error_proto, resp 217. return resp 218. 219. def voidresp(self): 220. """Expect a response beginning with '2'.""" 221. resp = self.getresp() 222. if resp[0] != '2': 223. raise error_reply, resp 224. return resp 225. 226. def abort(self): 227. '''Abort a file transfer. Uses out-of-band data. 228. This does not follow the procedure from the RFC to send Telnet 229. IP and Synch; that doesn't seem to work with the servers I've 230. tried. Instead, just send the ABOR command as OOB data.''' 231. line = 'ABOR' + CRLF 232. if self.debugging > 1: print '*put urgent*', self.sanitize(line) 233. self.sock.sendall(line, MSG_OOB) 234. resp = self.getmultiline() 235. if resp[:3] not in ('426', '226'): 236. raise error_proto, resp 237. 238. def sendcmd(self, cmd): 239. '''Send a command and return the response.''' 240. self.putcmd(cmd) 241. return self.getresp() 242. 243. def voidcmd(self, cmd): 244. """Send a command and expect a response beginning with '2'.""" 245. self.putcmd(cmd) 246. return self.voidresp() 247. 248. def sendport(self, host, port): 249. '''Send a PORT command with the current host and the given 250. port number. 251. ''' 252. hbytes = host.split('.') 253. pbytes = [`port/256`, `port%256`] 254. bytes = hbytes + pbytes 255. cmd = 'PORT ' + ','.join(bytes) 256. return self.voidcmd(cmd) 257. 258. def sendeprt(self, host, port): 259. '''Send a EPRT command with the current host and the given port number.''' 260. af = 0 261. if self.af == socket.AF_INET: 262. af = 1 263. if self.af == socket.AF_INET6: 264. af = 2 265. if af == 0: 266. raise error_proto, 'unsupported address family' 267. fields = ['', `af`, host, `port`, ''] 268. cmd = 'EPRT ' + '|'.join(fields) 269. return self.voidcmd(cmd) 270. 271. def makeport(self): 272. '''Create a new socket and send a PORT command for it.''' 273. msg = "getaddrinfo returns an empty list" 274. sock = None 275. for res in socket.getaddrinfo(None, 0, self.af, socket.SOCK_STREAM, 0, socket.AI_PASSIVE): 276. af, socktype, proto, canonname, sa = res 277. try: 278. sock = socket.socket(af, socktype, proto) 279. sock.bind(sa) 280. except socket.error, msg: 281. if sock: 282. sock.close() 283. sock = None 284. continue 285. break 286. if not sock: 287. raise socket.error, msg 288. sock.listen(1) 289. port = sock.getsockname()[1] # Get proper port 290. host = self.sock.getsockname()[0] # Get proper host 291. if self.af == socket.AF_INET: 292. resp = self.sendport(host, port) 293. else: 294. resp = self.sendeprt(host, port) 295. return sock 296. 297. def makepasv(self): 298. if self.af == socket.AF_INET: 299. host, port = parse227(self.sendcmd('PASV')) 300. else: 301. host, port = parse229(self.sendcmd('EPSV'), self.sock.getpeername()) 302. return host, port 303. 304. def ntransfercmd(self, cmd, rest=None): 305. """Initiate a transfer over the data connection. 306. 307. If the transfer is active, send a port command and the 308. transfer command, and accept the connection. If the server is 309. passive, send a pasv command, connect to it, and start the 310. transfer command. Either way, return the socket for the 311. connection and the expected size of the transfer. The 312. expected size may be None if it could not be determined. 313. 314. Optional `rest' argument can be a string that is sent as the 315. argument to a RESTART command. This is essentially a server 316. marker used to tell the server to skip over any data up to the 317. given marker. 318. """ 319. size = None 320. if self.passiveserver: 321. host, port = self.makepasv() 322. af, socktype, proto, canon, sa = socket.getaddrinfo(host, port, 0, socket.SOCK_STREAM)[0] 323. conn = socket.socket(af, socktype, proto) 324. conn.connect(sa) 325. if rest is not None: 326. self.sendcmd("REST %s" % rest) 327. resp = self.sendcmd(cmd) 328. if resp[0] != '1': 329. raise error_reply, resp 330. else: 331. sock = self.makeport() 332. if rest is not None: 333. self.sendcmd("REST %s" % rest) 334. resp = self.sendcmd(cmd) 335. if resp[0] != '1': 336. raise error_reply, resp 337. conn, sockaddr = sock.accept() 338. if resp[:3] == '150': 339. # this is conditional in case we received a 125 340. size = parse150(resp) 341. return conn, size 342. 343. def transfercmd(self, cmd, rest=None): 344. """Like ntransfercmd() but returns only the socket.""" 345. return self.ntransfercmd(cmd, rest)[0] 346. 347. def login(self, user = '', passwd = '', acct = ''): 348. '''Login, default anonymous.''' 349. if not user: user = 'anonymous' 350. if not passwd: passwd = '' 351. if not acct: acct = '' 352. if user == 'anonymous' and passwd in ('', '-'): 353. # If there is no anonymous ftp password specified 354. # then we'll just use anonymous@ 355. # We don't send any other thing because: 356. # - We want to remain anonymous 357. # - We want to stop SPAM 358. # - We don't want to let ftp sites to discriminate by the user, 359. # host or country. 360. passwd = passwd + 'anonymous@' 361. resp = self.sendcmd('USER ' + user) 362. if resp[0] == '3': resp = self.sendcmd('PASS ' + passwd) 363. if resp[0] == '3': resp = self.sendcmd('ACCT ' + acct) 364. if resp[0] != '2': 365. raise error_reply, resp 366. return resp 367. 368. def retrbinary(self, cmd, callback, blocksize=8192, rest=None): 369. """Retrieve data in binary mode. 370. 371. `cmd' is a RETR command. `callback' is a callback function is 372. called for each block. No more than `blocksize' number of 373. bytes will be read from the socket. Optional `rest' is passed 374. to transfercmd(). 375. 376. A new port is created for you. Return the response code. 377. """ 378. self.voidcmd('TYPE I') 379. conn = self.transfercmd(cmd, rest) 380. while 1: 381. data = conn.recv(blocksize) 382. if not data: 383. break 384. callback(data) 385. conn.close() 386. return self.voidresp() 387. 388. def retrlines(self, cmd, callback = None): 389. '''Retrieve data in line mode. 390. The argument is a RETR or LIST command. 391. The callback function (2nd argument) is called for each line, 392. with trailing CRLF stripped. This creates a new port for you. 393. print_line() is the default callback.''' 394. if callback is None: callback = print_line 395. resp = self.sendcmd('TYPE A') 396. conn = self.transfercmd(cmd) 397. fp = conn.makefile('rb') 398. while 1: 399. line = fp.readline() 400. if self.debugging > 2: print '*retr*', `line` 401. if not line: 402. break 403. if line[-2:] == CRLF: 404. line = line[:-2] 405. elif line[-1:] == '\n': 406. line = line[:-1] 407. callback(line) 408. fp.close() 409. conn.close() 410. return self.voidresp() 411. 412. def storbinary(self, cmd, fp, blocksize=8192): 413. '''Store a file in binary mode.''' 414. self.voidcmd('TYPE I') 415. conn = self.transfercmd(cmd) 416. while 1: 417. buf = fp.read(blocksize) 418. if not buf: break 419. conn.sendall(buf) 420. conn.close() 421. return self.voidresp() 422. 423. def storlines(self, cmd, fp): 424. '''Store a file in line mode.''' 425. self.voidcmd('TYPE A') 426. conn = self.transfercmd(cmd) 427. while 1: 428. buf = fp.readline() 429. if not buf: break 430. if buf[-2:] != CRLF: 431. if buf[-1] in CRLF: buf = buf[:-1] 432. buf = buf + CRLF 433. conn.sendall(buf) 434. conn.close() 435. return self.voidresp() 436. 437. def acct(self, password): 438. '''Send new account name.''' 439. cmd = 'ACCT ' + password 440. return self.voidcmd(cmd) 441. 442. def nlst(self, *args): 443. '''Return a list of files in a given directory (default the current).''' 444. cmd = 'NLST' 445. for arg in args: 446. cmd = cmd + (' ' + arg) 447. files = [] 448. self.retrlines(cmd, files.append) 449. return files 450. 451. def dir(self, *args): 452. '''List a directory in long form. 453. By default list current directory to stdout. 454. Optional last argument is callback function; all 455. non-empty arguments before it are concatenated to the 456. LIST command. (This *should* only be used for a pathname.)''' 457. cmd = 'LIST' 458. func = None 459. if args[-1:] and type(args[-1]) != type(''): 460. args, func = args[:-1], args[-1] 461. for arg in args: 462. if arg: 463. cmd = cmd + (' ' + arg) 464. self.retrlines(cmd, func) 465. 466. def rename(self, fromname, toname): 467. '''Rename a file.''' 468. resp = self.sendcmd('RNFR ' + fromname) 469. if resp[0] != '3': 470. raise error_reply, resp 471. return self.voidcmd('RNTO ' + toname) 472. 473. def delete(self, filename): 474. '''Delete a file.''' 475. resp = self.sendcmd('DELE ' + filename) 476. if resp[:3] in ('250', '200'): 477. return resp 478. elif resp[:1] == '5': 479. raise error_perm, resp 480. else: 481. raise error_reply, resp 482. 483. def cwd(self, dirname): 484. '''Change to a directory.''' 485. if dirname == '..': 486. try: 487. return self.voidcmd('CDUP') 488. except error_perm, msg: 489. if msg.args[0][:3] != '500': 490. raise 491. elif dirname == '': 492. dirname = '.' # does nothing, but could return error 493. cmd = 'CWD ' + dirname 494. return self.voidcmd(cmd) 495. 496. def size(self, filename): 497. '''Retrieve the size of a file.''' 498. # Note that the RFC doesn't say anything about 'SIZE' 499. resp = self.sendcmd('SIZE ' + filename) 500. if resp[:3] == '213': 501. s = resp[3:].strip() 502. try: 503. return int(s) 504. except (OverflowError, ValueError): 505. return long(s) 506. 507. def mkd(self, dirname): 508. '''Make a directory, return its full pathname.''' 509. resp = self.sendcmd('MKD ' + dirname) 510. return parse257(resp) 511. 512. def rmd(self, dirname): 513. '''Remove a directory.''' 514. return self.voidcmd('RMD ' + dirname) 515. 516. def pwd(self): 517. '''Return current working directory.''' 518. resp = self.sendcmd('PWD') 519. return parse257(resp) 520. 521. def quit(self): 522. '''Quit, and close the connection.''' 523. resp = self.voidcmd('QUIT') 524. self.close() 525. return resp 526. 527. def close(self): 528. '''Close the connection without assuming anything about it.''' 529. if self.file: 530. self.file.close() 531. self.sock.close() 532. self.file = self.sock = None 533. 534. 535. _150_re = None 536. 537. def parse150(resp): 538. '''Parse the '150' response for a RETR request. 539. Returns the expected transfer size or None; size is not guaranteed to 540. be present in the 150 message. 541. ''' 542. if resp[:3] != '150': 543. raise error_reply, resp 544. global _150_re 545. if _150_re is None: 546. import re 547. _150_re = re.compile("150 .* \((\d+) bytes\)", re.IGNORECASE) 548. m = _150_re.match(resp) 549. if not m: 550. return None 551. s = m.group(1) 552. try: 553. return int(s) 554. except (OverflowError, ValueError): 555. return long(s) 556. 557. 558. _227_re = None 559. 560. def parse227(resp): 561. '''Parse the '227' response for a PASV request. 562. Raises error_proto if it does not contain '(h1,h2,h3,h4,p1,p2)' 563. Return ('host.addr.as.numbers', port#) tuple.''' 564. 565. if resp[:3] != '227': 566. raise error_reply, resp 567. global _227_re 568. if _227_re is None: 569. import re 570. _227_re = re.compile(r'(\d+),(\d+),(\d+),(\d+),(\d+),(\d+)') 571. m = _227_re.search(resp) 572. if not m: 573. raise error_proto, resp 574. numbers = m.groups() 575. host = '.'.join(numbers[:4]) 576. port = (int(numbers[4]) << 8) + int(numbers[5]) 577. return host, port 578. 579. 580. def parse229(resp, peer): 581. '''Parse the '229' response for a EPSV request. 582. Raises error_proto if it does not contain '(|||port|)' 583. Return ('host.addr.as.numbers', port#) tuple.''' 584. 585. if resp[:3] <> '229': 586. raise error_reply, resp 587. left = resp.find('(') 588. if left < 0: raise error_proto, resp 589. right = resp.find(')', left + 1) 590. if right < 0: 591. raise error_proto, resp # should contain '(|||port|)' 592. if resp[left + 1] <> resp[right - 1]: 593. raise error_proto, resp 594. parts = resp[left + 1:right].split(resp[left+1]) 595. if len(parts) <> 5: 596. raise error_proto, resp 597. host = peer[0] 598. port = int(parts[3]) 599. return host, port 600. 601. 602. def parse257(resp): 603. '''Parse the '257' response for a MKD or PWD request. 604. This is a response to a MKD or PWD request: a directory name. 605. Returns the directoryname in the 257 reply.''' 606. 607. if resp[:3] != '257': 608. raise error_reply, resp 609. if resp[3:5] != ' "': 610. return '' # Not compliant to RFC 959, but UNIX ftpd does this 611. dirname = '' 612. i = 5 613. n = len(resp) 614. while i < n: 615. c = resp[i] 616. i = i+1 617. if c == '"': 618. if i >= n or resp[i] != '"': 619. break 620. i = i+1 621. dirname = dirname + c 622. return dirname 623. 624. 625. def print_line(line): 626. '''Default retrlines callback to print a line.''' 627. print line 628. 629. 630. def ftpcp(source, sourcename, target, targetname = '', type = 'I'): 631. '''Copy file from one FTP-instance to another.''' 632. if not targetname: targetname = sourcename 633. type = 'TYPE ' + type 634. source.voidcmd(type) 635. target.voidcmd(type) 636. sourcehost, sourceport = parse227(source.sendcmd('PASV')) 637. target.sendport(sourcehost, sourceport) 638. # RFC 959: the user must "listen" [...] BEFORE sending the 639. # transfer request. 640. # So: STOR before RETR, because here the target is a "user". 641. treply = target.sendcmd('STOR ' + targetname) 642. if treply[:3] not in ('125', '150'): raise error_proto # RFC 959 643. sreply = source.sendcmd('RETR ' + sourcename) 644. if sreply[:3] not in ('125', '150'): raise error_proto # RFC 959 645. source.voidresp() 646. target.voidresp() 647. 648. 649. class Netrc: 650. """Class to parse & provide access to 'netrc' format files. 651. 652. See the netrc(4) man page for information on the file format. 653. 654. WARNING: This class is obsolete -- use module netrc instead. 655. 656. """ 657. __defuser = None 658. __defpasswd = None 659. __defacct = None 660. 661. def __init__(self, filename=None): 662. if filename is None: 663. if "HOME" in os.environ: 664. filename = os.path.join(os.environ["HOME"], 665. ".netrc") 666. else: 667. raise IOError, \ 668. "specify file to load or set $HOME" 669. self.__hosts = {} 670. self.__macros = {} 671. fp = open(filename, "r") 672. in_macro = 0 673. while 1: 674. line = fp.readline() 675. if not line: break 676. if in_macro and line.strip(): 677. macro_lines.append(line) 678. continue 679. elif in_macro: 680. self.__macros[macro_name] = tuple(macro_lines) 681. in_macro = 0 682. words = line.split() 683. host = user = passwd = acct = None 684. default = 0 685. i = 0 686. while i < len(words): 687. w1 = words[i] 688. if i+1 < len(words): 689. w2 = words[i + 1] 690. else: 691. w2 = None 692. if w1 == 'default': 693. default = 1 694. elif w1 == 'machine' and w2: 695. host = w2.lower() 696. i = i + 1 697. elif w1 == 'login' and w2: 698. user = w2 699. i = i + 1 700. elif w1 == 'password' and w2: 701. passwd = w2 702. i = i + 1 703. elif w1 == 'account' and w2: 704. acct = w2 705. i = i + 1 706. elif w1 == 'macdef' and w2: 707. macro_name = w2 708. macro_lines = [] 709. in_macro = 1 710. break 711. i = i + 1 712. if default: 713. self.__defuser = user or self.__defuser 714. self.__defpasswd = passwd or self.__defpasswd 715. self.__defacct = acct or self.__defacct 716. if host: 717. if host in self.__hosts: 718. ouser, opasswd, oacct = \ 719. self.__hosts[host] 720. user = user or ouser 721. passwd = passwd or opasswd 722. acct = acct or oacct 723. self.__hosts[host] = user, passwd, acct 724. fp.close() 725. 726. def get_hosts(self): 727. """Return a list of hosts mentioned in the .netrc file.""" 728. return self.__hosts.keys() 729. 730. def get_account(self, host): 731. """Returns login information for the named host. 732. 733. The return value is a triple containing userid, 734. password, and the accounting field. 735. 736. """ 737. host = host.lower() 738. user = passwd = acct = None 739. if host in self.__hosts: 740. user, passwd, acct = self.__hosts[host] 741. user = user or self.__defuser 742. passwd = passwd or self.__defpasswd 743. acct = acct or self.__defacct 744. return user, passwd, acct 745. 746. def get_macros(self): 747. """Return a list of all defined macro names.""" 748. return self.__macros.keys() 749. 750. def get_macro(self, macro): 751. """Return a sequence of lines which define a named macro.""" 752. return self.__macros[macro] 753. 754. 755. 756. def test(): 757. '''Test program. 758. Usage: ftp [-d] [-r[file]] host [-l[dir]] [-d[dir]] [-p] [file] ...''' 759. 760. debugging = 0 761. rcfile = None 762. while sys.argv[1] == '-d': 763. debugging = debugging+1 764. del sys.argv[1] 765. if sys.argv[1][:2] == '-r': 766. # get name of alternate ~/.netrc file: 767. rcfile = sys.argv[1][2:] 768. del sys.argv[1] 769. host = sys.argv[1] 770. ftp = FTP(host) 771. ftp.set_debuglevel(debugging) 772. userid = passwd = acct = '' 773. try: 774. netrc = Netrc(rcfile) 775. except IOError: 776. if rcfile is not None: 777. sys.stderr.write("Could not open account file" 778. " -- using anonymous login.") 779. else: 780. try: 781. userid, passwd, acct = netrc.get_account(host) 782. except KeyError: 783. # no account for host 784. sys.stderr.write( 785. "No account -- using anonymous login.") 786. ftp.login(userid, passwd, acct) 787. for file in sys.argv[2:]: 788. if file[:2] == '-l': 789. ftp.dir(file[2:]) 790. elif file[:2] == '-d': 791. cmd = 'CWD' 792. if file[2:]: cmd = cmd + ' ' + file[2:] 793. resp = ftp.sendcmd(cmd) 794. elif file == '-p': 795. ftp.set_pasv(not ftp.passiveserver) 796. else: 797. ftp.retrbinary('RETR ' + file, \ 798. sys.stdout.write, 1024) 799. ftp.quit() 800. 801. 802. if __name__ == '__main__': 803. test()