smtlib.py PEP8 normalization via pep8.py script.

This commit is contained in:
Giampaolo Rodolà 2011-02-24 20:43:11 +00:00
parent 2bd4795e94
commit 5c12ec6fee
1 changed files with 75 additions and 60 deletions

View File

@ -49,17 +49,18 @@ import hmac
from email.base64mime import encode as encode_base64
from sys import stderr
__all__ = ["SMTPException","SMTPServerDisconnected","SMTPResponseException",
"SMTPSenderRefused","SMTPRecipientsRefused","SMTPDataError",
"SMTPConnectError","SMTPHeloError","SMTPAuthenticationError",
"quoteaddr","quotedata","SMTP"]
__all__ = ["SMTPException", "SMTPServerDisconnected", "SMTPResponseException",
"SMTPSenderRefused", "SMTPRecipientsRefused", "SMTPDataError",
"SMTPConnectError", "SMTPHeloError", "SMTPAuthenticationError",
"quoteaddr", "quotedata", "SMTP"]
SMTP_PORT = 25
SMTP_SSL_PORT = 465
CRLF="\r\n"
CRLF = "\r\n"
OLDSTYLE_AUTH = re.compile(r"auth=(.*)", re.I)
# Exception classes used by this module.
class SMTPException(Exception):
"""Base class for all exceptions raised by this module."""
@ -109,7 +110,7 @@ class SMTPRecipientsRefused(SMTPException):
def __init__(self, recipients):
self.recipients = recipients
self.args = ( recipients,)
self.args = (recipients,)
class SMTPDataError(SMTPResponseException):
@ -128,6 +129,7 @@ class SMTPAuthenticationError(SMTPResponseException):
combination provided.
"""
def quoteaddr(addr):
"""Quote a subset of the email addresses defined by RFC 821.
@ -138,7 +140,7 @@ def quoteaddr(addr):
m = email.utils.parseaddr(addr)[1]
except AttributeError:
pass
if m == (None, None): # Indicates parse failure or AttributeError
if m == (None, None): # Indicates parse failure or AttributeError
# something weird here.. punt -ddm
return "<%s>" % addr
elif m is None:
@ -175,7 +177,8 @@ else:
chr = None
while chr != "\n":
chr = self.sslobj.read(1)
if not chr: break
if not chr:
break
str += chr
return str
@ -269,10 +272,11 @@ class SMTP:
def _get_socket(self, port, host, timeout):
# This makes it simpler for SMTP_SSL to use the SMTP connect code
# and just alter the socket connection bit.
if self.debuglevel > 0: print>>stderr, 'connect:', (host, port)
if self.debuglevel > 0:
print>>stderr, 'connect:', (host, port)
return socket.create_connection((port, host), timeout)
def connect(self, host='localhost', port = 0):
def connect(self, host='localhost', port=0):
"""Connect to a host on a given port.
If the hostname ends with a colon (`:') followed by a number, and
@ -286,20 +290,25 @@ class SMTP:
if not port and (host.find(':') == host.rfind(':')):
i = host.rfind(':')
if i >= 0:
host, port = host[:i], host[i+1:]
try: port = int(port)
host, port = host[:i], host[i + 1:]
try:
port = int(port)
except ValueError:
raise socket.error, "nonnumeric port"
if not port: port = self.default_port
if self.debuglevel > 0: print>>stderr, 'connect:', (host, port)
if not port:
port = self.default_port
if self.debuglevel > 0:
print>>stderr, 'connect:', (host, port)
self.sock = self._get_socket(host, port, self.timeout)
(code, msg) = self.getreply()
if self.debuglevel > 0: print>>stderr, "connect:", msg
if self.debuglevel > 0:
print>>stderr, "connect:", msg
return (code, msg)
def send(self, str):
"""Send `str' to the server."""
if self.debuglevel > 0: print>>stderr, 'send:', repr(str)
if self.debuglevel > 0:
print>>stderr, 'send:', repr(str)
if hasattr(self, 'sock') and self.sock:
try:
self.sock.sendall(str)
@ -330,7 +339,7 @@ class SMTP:
Raises SMTPServerDisconnected if end-of-file is reached.
"""
resp=[]
resp = []
if self.file is None:
self.file = self.sock.makefile('rb')
while 1:
@ -341,9 +350,10 @@ class SMTP:
if line == '':
self.close()
raise SMTPServerDisconnected("Connection unexpectedly closed")
if self.debuglevel > 0: print>>stderr, 'reply:', repr(line)
if self.debuglevel > 0:
print>>stderr, 'reply:', repr(line)
resp.append(line[4:].strip())
code=line[:3]
code = line[:3]
# Check that the error code is syntactically correct.
# Don't attempt to read a continuation line if it is broken.
try:
@ -352,17 +362,17 @@ class SMTP:
errcode = -1
break
# Check if multiline response.
if line[3:4]!="-":
if line[3:4] != "-":
break
errmsg = "\n".join(resp)
if self.debuglevel > 0:
print>>stderr, 'reply: retcode (%s); Msg: %s' % (errcode,errmsg)
print>>stderr, 'reply: retcode (%s); Msg: %s' % (errcode, errmsg)
return errcode, errmsg
def docmd(self, cmd, args=""):
"""Send a command, and return its response code."""
self.putcmd(cmd,args)
self.putcmd(cmd, args)
return self.getreply()
# std smtp commands
@ -372,9 +382,9 @@ class SMTP:
host.
"""
self.putcmd("helo", name or self.local_hostname)
(code,msg)=self.getreply()
self.helo_resp=msg
return (code,msg)
(code, msg) = self.getreply()
self.helo_resp = msg
return (code, msg)
def ehlo(self, name=''):
""" SMTP 'ehlo' command.
@ -383,19 +393,19 @@ class SMTP:
"""
self.esmtp_features = {}
self.putcmd(self.ehlo_msg, name or self.local_hostname)
(code,msg)=self.getreply()
(code, msg) = self.getreply()
# According to RFC1869 some (badly written)
# MTA's will disconnect on an ehlo. Toss an exception if
# that happens -ddm
if code == -1 and len(msg) == 0:
self.close()
raise SMTPServerDisconnected("Server not connected")
self.ehlo_resp=msg
self.ehlo_resp = msg
if code != 250:
return (code,msg)
self.does_esmtp=1
return (code, msg)
self.does_esmtp = 1
#parse the ehlo response -ddm
resp=self.ehlo_resp.split('\n')
resp = self.ehlo_resp.split('\n')
del resp[0]
for each in resp:
# To be able to communicate with as many SMTP servers as possible,
@ -415,16 +425,16 @@ class SMTP:
# It's actually stricter, in that only spaces are allowed between
# parameters, but were not going to check for that here. Note
# that the space isn't present if there are no parameters.
m=re.match(r'(?P<feature>[A-Za-z0-9][A-Za-z0-9\-]*) ?',each)
m = re.match(r'(?P<feature>[A-Za-z0-9][A-Za-z0-9\-]*) ?', each)
if m:
feature=m.group("feature").lower()
params=m.string[m.end("feature"):].strip()
feature = m.group("feature").lower()
params = m.string[m.end("feature"):].strip()
if feature == "auth":
self.esmtp_features[feature] = self.esmtp_features.get(feature, "") \
+ " " + params
else:
self.esmtp_features[feature]=params
return (code,msg)
self.esmtp_features[feature] = params
return (code, msg)
def has_extn(self, opt):
"""Does the server support a given SMTP service extension?"""
@ -444,23 +454,23 @@ class SMTP:
"""SMTP 'noop' command -- doesn't do anything :>"""
return self.docmd("noop")
def mail(self,sender,options=[]):
def mail(self, sender, options=[]):
"""SMTP 'mail' command -- begins mail xfer session."""
optionlist = ''
if options and self.does_esmtp:
optionlist = ' ' + ' '.join(options)
self.putcmd("mail", "FROM:%s%s" % (quoteaddr(sender) ,optionlist))
self.putcmd("mail", "FROM:%s%s" % (quoteaddr(sender), optionlist))
return self.getreply()
def rcpt(self,recip,options=[]):
def rcpt(self, recip, options=[]):
"""SMTP 'rcpt' command -- indicates 1 recipient for this mail."""
optionlist = ''
if options and self.does_esmtp:
optionlist = ' ' + ' '.join(options)
self.putcmd("rcpt","TO:%s%s" % (quoteaddr(recip),optionlist))
self.putcmd("rcpt", "TO:%s%s" % (quoteaddr(recip), optionlist))
return self.getreply()
def data(self,msg):
def data(self, msg):
"""SMTP 'DATA' command -- sends message data to server.
Automatically quotes lines beginning with a period per rfc821.
@ -469,26 +479,28 @@ class SMTP:
response code received when the all data is sent.
"""
self.putcmd("data")
(code,repl)=self.getreply()
if self.debuglevel >0 : print>>stderr, "data:", (code,repl)
(code, repl) = self.getreply()
if self.debuglevel > 0:
print>>stderr, "data:", (code, repl)
if code != 354:
raise SMTPDataError(code,repl)
raise SMTPDataError(code, repl)
else:
q = quotedata(msg)
if q[-2:] != CRLF:
q = q + CRLF
q = q + "." + CRLF
self.send(q)
(code,msg)=self.getreply()
if self.debuglevel >0 : print>>stderr, "data:", (code,msg)
return (code,msg)
(code, msg) = self.getreply()
if self.debuglevel > 0:
print>>stderr, "data:", (code, msg)
return (code, msg)
def verify(self, address):
"""SMTP 'verify' command -- checks for address validity."""
self.putcmd("vrfy", quoteaddr(address))
return self.getreply()
# a.k.a.
vrfy=verify
vrfy = verify
def expn(self, address):
"""SMTP 'expn' command -- expands a mailing list."""
@ -592,7 +604,7 @@ class SMTP:
raise SMTPAuthenticationError(code, resp)
return (code, resp)
def starttls(self, keyfile = None, certfile = None):
def starttls(self, keyfile=None, certfile=None):
"""Puts the connection to the SMTP server into TLS mode.
If there has been no previous EHLO or HELO command this session, this
@ -695,22 +707,22 @@ class SMTP:
for option in mail_options:
esmtp_opts.append(option)
(code,resp) = self.mail(from_addr, esmtp_opts)
(code, resp) = self.mail(from_addr, esmtp_opts)
if code != 250:
self.rset()
raise SMTPSenderRefused(code, resp, from_addr)
senderrs={}
senderrs = {}
if isinstance(to_addrs, basestring):
to_addrs = [to_addrs]
for each in to_addrs:
(code,resp)=self.rcpt(each, rcpt_options)
(code, resp) = self.rcpt(each, rcpt_options)
if (code != 250) and (code != 251):
senderrs[each]=(code,resp)
if len(senderrs)==len(to_addrs):
senderrs[each] = (code, resp)
if len(senderrs) == len(to_addrs):
# the server refused all our recipients
self.rset()
raise SMTPRecipientsRefused(senderrs)
(code,resp) = self.data(msg)
(code, resp) = self.data(msg)
if code != 250:
self.rset()
raise SMTPDataError(code, resp)
@ -753,7 +765,8 @@ if _have_ssl:
self.default_port = SMTP_SSL_PORT
def _get_socket(self, host, port, timeout):
if self.debuglevel > 0: print>>stderr, 'connect:', (host, port)
if self.debuglevel > 0:
print>>stderr, 'connect:', (host, port)
new_socket = socket.create_connection((host, port), timeout)
new_socket = ssl.wrap_socket(new_socket, self.keyfile, self.certfile)
self.file = SSLFakeFile(new_socket)
@ -781,11 +794,11 @@ class LMTP(SMTP):
ehlo_msg = "lhlo"
def __init__(self, host = '', port = LMTP_PORT, local_hostname = None):
def __init__(self, host='', port=LMTP_PORT, local_hostname=None):
"""Initialize a new instance."""
SMTP.__init__(self, host, port, local_hostname)
def connect(self, host = 'localhost', port = 0):
def connect(self, host='localhost', port=0):
"""Connect to the LMTP daemon, on either a Unix or a TCP socket."""
if host[0] != '/':
return SMTP.connect(self, host, port)
@ -795,13 +808,15 @@ class LMTP(SMTP):
self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
self.sock.connect(host)
except socket.error, msg:
if self.debuglevel > 0: print>>stderr, 'connect fail:', host
if self.debuglevel > 0:
print>>stderr, 'connect fail:', host
if self.sock:
self.sock.close()
self.sock = None
raise socket.error, msg
(code, msg) = self.getreply()
if self.debuglevel > 0: print>>stderr, "connect:", msg
if self.debuglevel > 0:
print>>stderr, "connect:", msg
return (code, msg)
@ -815,7 +830,7 @@ if __name__ == '__main__':
return sys.stdin.readline().strip()
fromaddr = prompt("From")
toaddrs = prompt("To").split(',')
toaddrs = prompt("To").split(',')
print "Enter message, end with ^D:"
msg = ''
while 1: