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python3.3
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..
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__future__.py
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__phello__.foo.py
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__pycache__
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_compat_pickle.py
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_dummy_thread.py
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_markupbase.py
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_osx_support.py
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_pyio.py
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_strptime.py
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_sysconfigdata.py
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_threading_local.py
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_weakrefset.py
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abc.py
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aifc.py
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antigravity.py
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argparse.py
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ast.py
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asynchat.py
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asyncore.py
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base64.py
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bdb.py
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binhex.py
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bisect.py
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bz2.py
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cProfile.py
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calendar.py
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cgi.py
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cgitb.py
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chunk.py
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cmd.py
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code.py
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codecs.py
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codeop.py
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collections
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colorsys.py
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compileall.py
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concurrent
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config-3.3m
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configparser.py
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contextlib.py
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copy.py
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copyreg.py
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crypt.py
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csv.py
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ctypes
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curses
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datetime.py
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dbm
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decimal.py
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difflib.py
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dis.py
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distutils
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doctest.py
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dummy_threading.py
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email
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encodings
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filecmp.py
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fileinput.py
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fnmatch.py
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formatter.py
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fractions.py
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ftplib.py
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functools.py
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genericpath.py
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getopt.py
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getpass.py
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gettext.py
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glob.py
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gzip.py
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hashlib.py
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heapq.py
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hmac.py
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html
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http
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idlelib
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imaplib.py
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imghdr.py
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imp.py
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importlib
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inspect.py
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io.py
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ipaddress.py
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json
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keyword.py
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lib-dynload
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lib2to3
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linecache.py
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locale.py
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logging
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lzma.py
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macpath.py
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macurl2path.py
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mailbox.py
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mailcap.py
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mimetypes.py
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modulefinder.py
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multiprocessing
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netrc.py
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nntplib.py
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ntpath.py
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nturl2path.py
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numbers.py
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opcode.py
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optparse.py
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os.py
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os2emxpath.py
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pdb.py
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pickle.py
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pickletools.py
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pipes.py
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pkgutil.py
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plat-linux
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platform.py
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plistlib.py
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poplib.py
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posixpath.py
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pprint.py
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profile.py
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pstats.py
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pty.py
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py_compile.py
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pyclbr.py
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pydoc.py
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pydoc_data
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queue.py
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quopri.py
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random.py
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re.py
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reprlib.py
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rlcompleter.py
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runpy.py
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sched.py
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shelve.py
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shlex.py
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shutil.py
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site-packages
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site.py
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smtpd.py
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smtplib.py
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sndhdr.py
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socket.py
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socketserver.py
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sqlite3
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sre_compile.py
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sre_constants.py
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sre_parse.py
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ssl.py
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stat.py
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string.py
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stringprep.py
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struct.py
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subprocess.py
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sunau.py
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symbol.py
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symtable.py
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sysconfig.py
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tabnanny.py
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tarfile.py
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telnetlib.py
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tempfile.py
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test
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textwrap.py
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this.py
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threading.py
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timeit.py
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token.py
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tokenize.py
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trace.py
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traceback.py
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tty.py
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types.py
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unittest
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urllib
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uu.py
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uuid.py
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venv
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warnings.py
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wave.py
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weakref.py
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webbrowser.py
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wsgiref
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xdrlib.py
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xml
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xmlrpc
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zipfile.py
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Editing: poplib.py
"""A POP3 client class. Based on the J. Myers POP3 draft, Jan. 96 """ # Author: David Ascher <david_ascher@brown.edu> # [heavily stealing from nntplib.py] # Updated: Piers Lauder <piers@cs.su.oz.au> [Jul '97] # String method conversion and test jig improvements by ESR, February 2001. # Added the POP3_SSL class. Methods loosely based on IMAP_SSL. Hector Urtubia <urtubia@mrbook.org> Aug 2003 # Example (see the test function at the end of this file) # Imports import re, socket __all__ = ["POP3","error_proto"] # Exception raised when an error or invalid response is received: class error_proto(Exception): pass # Standard Port POP3_PORT = 110 # POP SSL PORT POP3_SSL_PORT = 995 # Line terminators (we always output CRLF, but accept any of CRLF, LFCR, LF) CR = b'\r' LF = b'\n' CRLF = CR+LF # maximal line length when calling readline(). This is to prevent # reading arbitrary lenght lines. RFC 1939 limits POP3 line length to # 512 characters, including CRLF. We have selected 2048 just to be on # the safe side. _MAXLINE = 2048 class POP3: """This class supports both the minimal and optional command sets. Arguments can be strings or integers (where appropriate) (e.g.: retr(1) and retr('1') both work equally well. Minimal Command Set: USER name user(name) PASS string pass_(string) STAT stat() LIST [msg] list(msg = None) RETR msg retr(msg) DELE msg dele(msg) NOOP noop() RSET rset() QUIT quit() Optional Commands (some servers support these): RPOP name rpop(name) APOP name digest apop(name, digest) TOP msg n top(msg, n) UIDL [msg] uidl(msg = None) Raises one exception: 'error_proto'. Instantiate with: POP3(hostname, port=110) NB: the POP protocol locks the mailbox from user authorization until QUIT, so be sure to get in, suck the messages, and quit, each time you access the mailbox. POP is a line-based protocol, which means large mail messages consume lots of python cycles reading them line-by-line. If it's available on your mail server, use IMAP4 instead, it doesn't suffer from the two problems above. """ encoding = 'UTF-8' def __init__(self, host, port=POP3_PORT, timeout=socket._GLOBAL_DEFAULT_TIMEOUT): self.host = host self.port = port self.sock = self._create_socket(timeout) self.file = self.sock.makefile('rb') self._debugging = 0 self.welcome = self._getresp() def _create_socket(self, timeout): return socket.create_connection((self.host, self.port), timeout) def _putline(self, line): if self._debugging > 1: print('*put*', repr(line)) self.sock.sendall(line + CRLF) # Internal: send one command to the server (through _putline()) def _putcmd(self, line): if self._debugging: print('*cmd*', repr(line)) line = bytes(line, self.encoding) self._putline(line) # Internal: return one line from the server, stripping CRLF. # This is where all the CPU time of this module is consumed. # Raise error_proto('-ERR EOF') if the connection is closed. def _getline(self): line = self.file.readline(_MAXLINE + 1) if len(line) > _MAXLINE: raise error_proto('line too long') if self._debugging > 1: print('*get*', repr(line)) if not line: raise error_proto('-ERR EOF') octets = len(line) # server can send any combination of CR & LF # however, 'readline()' returns lines ending in LF # so only possibilities are ...LF, ...CRLF, CR...LF if line[-2:] == CRLF: return line[:-2], octets if line[0] == CR: return line[1:-1], octets return line[:-1], octets # Internal: get a response from the server. # Raise 'error_proto' if the response doesn't start with '+'. def _getresp(self): resp, o = self._getline() if self._debugging > 1: print('*resp*', repr(resp)) if not resp.startswith(b'+'): raise error_proto(resp) return resp # Internal: get a response plus following text from the server. def _getlongresp(self): resp = self._getresp() list = []; octets = 0 line, o = self._getline() while line != b'.': if line.startswith(b'..'): o = o-1 line = line[1:] octets = octets + o list.append(line) line, o = self._getline() return resp, list, octets # Internal: send a command and get the response def _shortcmd(self, line): self._putcmd(line) return self._getresp() # Internal: send a command and get the response plus following text def _longcmd(self, line): self._putcmd(line) return self._getlongresp() # These can be useful: def getwelcome(self): return self.welcome def set_debuglevel(self, level): self._debugging = level # Here are all the POP commands: def user(self, user): """Send user name, return response (should indicate password required). """ return self._shortcmd('USER %s' % user) def pass_(self, pswd): """Send password, return response (response includes message count, mailbox size). NB: mailbox is locked by server from here to 'quit()' """ return self._shortcmd('PASS %s' % pswd) def stat(self): """Get mailbox status. Result is tuple of 2 ints (message count, mailbox size) """ retval = self._shortcmd('STAT') rets = retval.split() if self._debugging: print('*stat*', repr(rets)) numMessages = int(rets[1]) sizeMessages = int(rets[2]) return (numMessages, sizeMessages) def list(self, which=None): """Request listing, return result. Result without a message number argument is in form ['response', ['mesg_num octets', ...], octets]. Result when a message number argument is given is a single response: the "scan listing" for that message. """ if which is not None: return self._shortcmd('LIST %s' % which) return self._longcmd('LIST') def retr(self, which): """Retrieve whole message number 'which'. Result is in form ['response', ['line', ...], octets]. """ return self._longcmd('RETR %s' % which) def dele(self, which): """Delete message number 'which'. Result is 'response'. """ return self._shortcmd('DELE %s' % which) def noop(self): """Does nothing. One supposes the response indicates the server is alive. """ return self._shortcmd('NOOP') def rset(self): """Unmark all messages marked for deletion.""" return self._shortcmd('RSET') def quit(self): """Signoff: commit changes on server, unlock mailbox, close connection.""" resp = self._shortcmd('QUIT') self.close() return resp def close(self): """Close the connection without assuming anything about it.""" if self.file is not None: self.file.close() if self.sock is not None: self.sock.close() self.file = self.sock = None #__del__ = quit # optional commands: def rpop(self, user): """Not sure what this does.""" return self._shortcmd('RPOP %s' % user) timestamp = re.compile(br'\+OK.*(<[^>]+>)') def apop(self, user, password): """Authorisation - only possible if server has supplied a timestamp in initial greeting. Args: user - mailbox user; password - mailbox password. NB: mailbox is locked by server from here to 'quit()' """ secret = bytes(password, self.encoding) m = self.timestamp.match(self.welcome) if not m: raise error_proto('-ERR APOP not supported by server') import hashlib digest = m.group(1)+secret digest = hashlib.md5(digest).hexdigest() return self._shortcmd('APOP %s %s' % (user, digest)) def top(self, which, howmuch): """Retrieve message header of message number 'which' and first 'howmuch' lines of message body. Result is in form ['response', ['line', ...], octets]. """ return self._longcmd('TOP %s %s' % (which, howmuch)) def uidl(self, which=None): """Return message digest (unique id) list. If 'which', result contains unique id for that message in the form 'response mesgnum uid', otherwise result is the list ['response', ['mesgnum uid', ...], octets] """ if which is not None: return self._shortcmd('UIDL %s' % which) return self._longcmd('UIDL') try: import ssl except ImportError: pass else: class POP3_SSL(POP3): """POP3 client class over SSL connection Instantiate with: POP3_SSL(hostname, port=995, keyfile=None, certfile=None) hostname - the hostname of the pop3 over ssl server port - port number keyfile - PEM formatted file that contains your private key certfile - PEM formatted certificate chain file See the methods of the parent class POP3 for more documentation. """ def __init__(self, host, port=POP3_SSL_PORT, keyfile=None, certfile=None, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, context=None): if context is not None and keyfile is not None: raise ValueError("context and keyfile arguments are mutually " "exclusive") if context is not None and certfile is not None: raise ValueError("context and certfile arguments are mutually " "exclusive") self.keyfile = keyfile self.certfile = certfile self.context = context POP3.__init__(self, host, port, timeout) def _create_socket(self, timeout): sock = POP3._create_socket(self, timeout) if self.context is not None: sock = self.context.wrap_socket(sock) else: sock = ssl.wrap_socket(sock, self.keyfile, self.certfile) return sock __all__.append("POP3_SSL") if __name__ == "__main__": import sys a = POP3(sys.argv[1]) print(a.getwelcome()) a.user(sys.argv[2]) a.pass_(sys.argv[3]) a.list() (numMsgs, totalSize) = a.stat() for i in range(1, numMsgs + 1): (header, msg, octets) = a.retr(i) print("Message %d:" % i) for line in msg: print(' ' + line) print('-----------------------') a.quit()
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