Python socket.error() Examples

The following are code examples for showing how to use socket.error(). They are from open source Python projects. You can vote up the examples you like or vote down the ones you don't like.

Example 1
Project: pyblish-win   Author: pyblish   File: imaplib.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def uid(self, command, *args):
        """Execute "command arg ..." with messages identified by UID,
                rather than message number.

        (typ, [data]) = <instance>.uid(command, arg1, arg2, ...)

        Returns response appropriate to 'command'.
        """
        command = command.upper()
        if not command in Commands:
            raise self.error("Unknown IMAP4 UID command: %s" % command)
        if self.state not in Commands[command]:
            raise self.error("command %s illegal in state %s, "
                             "only allowed in states %s" %
                             (command, self.state,
                              ', '.join(Commands[command])))
        name = 'UID'
        typ, dat = self._simple_command(name, command, *args)
        if command in ('SEARCH', 'SORT', 'THREAD'):
            name = command
        else:
            name = 'FETCH'
        return self._untagged_response(typ, dat, name) 
Example 2
Project: pyblish-win   Author: pyblish   File: imaplib.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def xatom(self, name, *args):
        """Allow simple extension commands
                notified by server in CAPABILITY response.

        Assumes command is legal in current state.

        (typ, [data]) = <instance>.xatom(name, arg, ...)

        Returns response appropriate to extension command `name'.
        """
        name = name.upper()
        #if not name in self.capabilities:      # Let the server decide!
        #    raise self.error('unknown extension command: %s' % name)
        if not name in Commands:
            Commands[name] = (self.state,)
        return self._simple_command(name, *args)



    #       Private methods 
Example 3
Project: pyblish-win   Author: pyblish   File: imaplib.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def _get_line(self):

        line = self.readline()
        if not line:
            raise self.abort('socket error: EOF')

        # Protocol mandates all lines terminated by CRLF
        if not line.endswith('\r\n'):
            raise self.abort('socket error: unterminated line')

        line = line[:-2]
        if __debug__:
            if self.debug >= 4:
                self._mesg('< %s' % line)
            else:
                self._log('< %s' % line)
        return line 
Example 4
Project: pyblish-win   Author: pyblish   File: httplib.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def _tunnel(self):
        (host, port) = self._get_hostport(self._tunnel_host, self._tunnel_port)
        self.send("CONNECT %s:%d HTTP/1.0\r\n" % (host, port))
        for header, value in self._tunnel_headers.iteritems():
            self.send("%s: %s\r\n" % (header, value))
        self.send("\r\n")
        response = self.response_class(self.sock, strict = self.strict,
                                       method = self._method)
        (version, code, message) = response._read_status()

        if code != 200:
            self.close()
            raise socket.error("Tunnel connection failed: %d %s" % (code,
                                                                    message.strip()))
        while True:
            line = response.fp.readline(_MAXLINE + 1)
            if len(line) > _MAXLINE:
                raise LineTooLong("header line")
            if not line:
                # for sites which EOF without sending trailer
                break
            if line == '\r\n':
                break 
Example 5
Project: pyblish-win   Author: pyblish   File: handlers.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def makePickle(self, record):
        """
        Pickles the record in binary format with a length prefix, and
        returns it ready for transmission across the socket.
        """
        ei = record.exc_info
        if ei:
            # just to get traceback text into record.exc_text ...
            dummy = self.format(record)
            record.exc_info = None  # to avoid Unpickleable error
        # See issue #14436: If msg or args are objects, they may not be
        # available on the receiving end. So we convert the msg % args
        # to a string, save it as msg and zap the args.
        d = dict(record.__dict__)
        d['msg'] = record.getMessage()
        d['args'] = None
        s = cPickle.dumps(d, 1)
        if ei:
            record.exc_info = ei  # for next handler
        slen = struct.pack(">L", len(s))
        return slen + s 
Example 6
Project: pyblish-win   Author: pyblish   File: handlers.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def emit(self, record):
        """
        Emit a record.

        Pickles the record and writes it to the socket in binary format.
        If there is an error with the socket, silently drop the packet.
        If there was a problem with the socket, re-establishes the
        socket.
        """
        try:
            s = self.makePickle(record)
            self.send(s)
        except (KeyboardInterrupt, SystemExit):
            raise
        except:
            self.handleError(record) 
Example 7
Project: pyblish-win   Author: pyblish   File: urllib2.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def error(self, proto, *args):
        if proto in ('http', 'https'):
            # XXX http[s] protocols are special-cased
            dict = self.handle_error['http'] # https is not different than http
            proto = args[2]  # YUCK!
            meth_name = 'http_error_%s' % proto
            http_err = 1
            orig_args = args
        else:
            dict = self.handle_error
            meth_name = proto + '_error'
            http_err = 0
        args = (dict, proto, meth_name) + args
        result = self._call_chain(*args)
        if result:
            return result

        if http_err:
            args = (dict, 'default', 'http_error_default') + orig_args
            return self._call_chain(*args)

# XXX probably also want an abstract factory that knows when it makes
# sense to skip a superclass in favor of a subclass and when it might
# make sense to include both 
Example 8
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def retrfile(self, file, type):
        import ftplib
        self.endtransfer()
        if type in ('d', 'D'): cmd = 'TYPE A'; isdir = 1
        else: cmd = 'TYPE ' + type; isdir = 0
        try:
            self.ftp.voidcmd(cmd)
        except ftplib.all_errors:
            self.init()
            self.ftp.voidcmd(cmd)
        conn = None
        if file and not isdir:
            # Try to retrieve as a file
            try:
                cmd = 'RETR ' + file
                conn, retrlen = self.ftp.ntransfercmd(cmd)
            except ftplib.error_perm, reason:
                if str(reason)[:3] != '550':
                    raise IOError, ('ftp error', reason), sys.exc_info()[2] 
Example 9
Project: pyblish-win   Author: pyblish   File: SocketServer.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def _handle_request_noblock(self):
        """Handle one request, without blocking.

        I assume that select.select has returned that the socket is
        readable before this function was called, so there should be
        no risk of blocking in get_request().
        """
        try:
            request, client_address = self.get_request()
        except socket.error:
            return
        if self.verify_request(request, client_address):
            try:
                self.process_request(request, client_address)
            except:
                self.handle_error(request, client_address)
                self.shutdown_request(request) 
Example 10
Project: pyblish-win   Author: pyblish   File: smtplib.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
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)

        # Handle Unix-domain sockets.
        try:
            self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
            self.sock.connect(host)
        except socket.error:
            if self.debuglevel > 0:
                print>>stderr, 'connect fail:', host
            if self.sock:
                self.sock.close()
            self.sock = None
            raise
        (code, msg) = self.getreply()
        if self.debuglevel > 0:
            print>>stderr, "connect:", msg
        return (code, msg)


# Test the sendmail method, which tests most of the others.
# Note: This always sends to localhost. 
Example 11
Project: pyblish-win   Author: pyblish   File: platform.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def close(self,

              remove=os.unlink,error=os.error):

        if self.pipe:
            rc = self.pipe.close()
        else:
            rc = 255
        if self.tmpfile:
            try:
                remove(self.tmpfile)
            except error:
                pass
        return rc

    # Alias 
Example 12
Project: pyblish-win   Author: pyblish   File: platform.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def _node(default=''):

    """ Helper to determine the node name of this machine.
    """
    try:
        import socket
    except ImportError:
        # No sockets...
        return default
    try:
        return socket.gethostname()
    except socket.error:
        # Still not working...
        return default

# os.path.abspath is new in Python 1.5.2: 
Example 13
Project: pyblish-win   Author: pyblish   File: platform.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def _syscmd_uname(option,default=''):

    """ Interface to the system's uname command.
    """
    if sys.platform in ('dos','win32','win16','os2'):
        # XXX Others too ?
        return default
    try:
        f = os.popen('uname %s 2> %s' % (option, DEV_NULL))
    except (AttributeError,os.error):
        return default
    output = string.strip(f.read())
    rc = f.close()
    if not output or rc:
        return default
    else:
        return output 
Example 14
Project: pyblish-win   Author: pyblish   File: ssl.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def sslwrap_simple(sock, keyfile=None, certfile=None):
    """A replacement for the old socket.ssl function.  Designed
    for compability with Python 2.5 and earlier.  Will disappear in
    Python 3.0."""
    if hasattr(sock, "_sock"):
        sock = sock._sock

    ctx = SSLContext(PROTOCOL_SSLv23)
    if keyfile or certfile:
        ctx.load_cert_chain(certfile, keyfile)
    ssl_sock = ctx._wrap_socket(sock, server_side=False)
    try:
        sock.getpeername()
    except socket_error:
        # no, no connection yet
        pass
    else:
        # yes, do the handshake
        ssl_sock.do_handshake()

    return ssl_sock 
Example 15
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def set_reuse_addr(self):
        # try to re-use a server port if possible
        try:
            self.socket.setsockopt(
                socket.SOL_SOCKET, socket.SO_REUSEADDR,
                self.socket.getsockopt(socket.SOL_SOCKET,
                                       socket.SO_REUSEADDR) | 1
                )
        except socket.error:
            pass

    # ==================================================
    # predicates for select()
    # these are used as filters for the lists of sockets
    # to pass to select().
    # ================================================== 
Example 16
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def handle_error(self):
        nil, t, v, tbinfo = compact_traceback()

        # sometimes a user repr method will crash.
        try:
            self_repr = repr(self)
        except:
            self_repr = '<__repr__(self) failed for object at %0x>' % id(self)

        self.log_info(
            'uncaptured python exception, closing channel %s (%s:%s %s)' % (
                self_repr,
                t,
                v,
                tbinfo
                ),
            'error'
            )
        self.handle_close() 
Example 17
Project: pyblish-win   Author: pyblish   File: webbrowser.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def _find_grail_rc(self):
        import glob
        import pwd
        import socket
        import tempfile
        tempdir = os.path.join(tempfile.gettempdir(),
                               ".grail-unix")
        user = pwd.getpwuid(os.getuid())[0]
        filename = os.path.join(tempdir, user + "-*")
        maybes = glob.glob(filename)
        if not maybes:
            return None
        s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
        for fn in maybes:
            # need to PING each one until we find one that's live
            try:
                s.connect(fn)
            except socket.error:
                # no good; attempt to clean it out, but don't fail:
                try:
                    os.unlink(fn)
                except IOError:
                    pass
            else:
                return s 
Example 18
Project: pyblish-win   Author: pyblish   File: smtpd.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def __init__(self, server, conn, addr):
        asynchat.async_chat.__init__(self, conn)
        self.__server = server
        self.__conn = conn
        self.__addr = addr
        self.__line = []
        self.__state = self.COMMAND
        self.__greeting = 0
        self.__mailfrom = None
        self.__rcpttos = []
        self.__data = ''
        self.__fqdn = socket.getfqdn()
        try:
            self.__peer = conn.getpeername()
        except socket.error, err:
            # a race condition  may occur if the other end is closing
            # before we can get the peername
            self.close()
            if err[0] != errno.ENOTCONN:
                raise
            return 
Example 19
Project: pyblish-win   Author: pyblish   File: poplib.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def __init__(self, host, port = POP3_SSL_PORT, keyfile = None, certfile = None):
            self.host = host
            self.port = port
            self.keyfile = keyfile
            self.certfile = certfile
            self.buffer = ""
            msg = "getaddrinfo returns an empty list"
            self.sock = None
            for res in socket.getaddrinfo(self.host, self.port, 0, socket.SOCK_STREAM):
                af, socktype, proto, canonname, sa = res
                try:
                    self.sock = socket.socket(af, socktype, proto)
                    self.sock.connect(sa)
                except socket.error, msg:
                    if self.sock:
                        self.sock.close()
                    self.sock = None
                    continue
                break 
Example 20
Project: pyblish-win   Author: pyblish   File: test_socket.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def testHostnameRes(self):
        # Testing hostname resolution mechanisms
        hostname = socket.gethostname()
        try:
            ip = socket.gethostbyname(hostname)
        except socket.error:
            # Probably name lookup wasn't set up right; skip this test
            self.skipTest('name lookup failure')
        self.assertTrue(ip.find('.') >= 0, "Error resolving host to ip.")
        try:
            hname, aliases, ipaddrs = socket.gethostbyaddr(ip)
        except socket.error:
            # Probably a similar problem as above; skip this test
            self.skipTest('address lookup failure')
        all_host_names = [hostname, hname] + aliases
        fqhn = socket.getfqdn(ip)
        if not fqhn in all_host_names:
            self.fail("Error testing host resolution mechanisms. (fqdn: %s, all: %s)" % (fqhn, repr(all_host_names))) 
Example 21
Project: pyblish-win   Author: pyblish   File: test_socket.py    GNU Lesser General Public License v3.0 6 votes vote down vote up
def testSockName(self):
        # Testing getsockname()
        port = self._get_unused_port()
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        self.addCleanup(sock.close)
        sock.bind(("0.0.0.0", port))
        name = sock.getsockname()
        # XXX(nnorwitz): http://tinyurl.com/os5jz seems to indicate
        # it reasonable to get the host's addr in addition to 0.0.0.0.
        # At least for eCos.  This is required for the S/390 to pass.
        try:
            my_ip_addr = socket.gethostbyname(socket.gethostname())
        except socket.error:
            # Probably name lookup wasn't set up right; skip this test
            self.skipTest('name lookup failure')
        self.assertIn(name[0], ("0.0.0.0", my_ip_addr), '%s invalid' % name[0])
        self.assertEqual(name[1], port) 
Example 22
Project: cloudflare-ddns   Author: ailionx   File: cloudflare.py    MIT License 5 votes vote down vote up
def sync_dns_from_my_ip(self, dns_type='A'):
        """
        Sync dns from my public ip address.
        It will not do update if ip address in dns record is already same as
        current public ip address.
        :param dns_type:
        :return:
        """
        ip_address = ''
        for finder in self.public_ip_finder:
            try:
                result = requests.get(finder)
            except requests.RequestException:
                continue
            if result.status_code == 200:
                try:
                    socket.inet_aton(result.text)
                    ip_address = result.text
                    break
                except socket.error:
                    try:
                        socket.inet_aton(result.json().get('ip'))
                        ip_address = result.json()['ip']
                        break
                    except socket.error:
                        continue

        if ip_address == '':
            print('None of public ip finder is working. Please try later')
            sys.exit(1)

        try:
            record = self.get_record(dns_type, self.domain) \
                if len(self.domain.split('.')) == 3 \
                else self.get_record(dns_type, self.domain)
        except RecordNotFound:
            self.create_record(dns_type, self.domain, ip_address, proxied=self.proxied)
            print('Successfully created new record with IP address {new_ip}'
                  .format(new_ip=ip_address))
        else:
            if record['content'] != ip_address:
                self.update_record(dns_type, self.domain, ip_address, proxied=record['proxied'])
                print('Successfully updated IP address from {old_ip} to {new_ip}'
                      .format(old_ip=record['content'], new_ip=ip_address))
            else:
                print('IP address on CloudFlare is same as your current address') 
Example 23
Project: pyblish-win   Author: pyblish   File: imaplib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def readline(self):
        """Read line from remote."""
        line = self.file.readline(_MAXLINE + 1)
        if len(line) > _MAXLINE:
            raise self.error("got more than %d bytes" % _MAXLINE)
        return line 
Example 24
Project: pyblish-win   Author: pyblish   File: imaplib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def shutdown(self):
        """Close I/O established in "open"."""
        self.file.close()
        try:
            self.sock.shutdown(socket.SHUT_RDWR)
        except socket.error as e:
            # The server might already have closed the connection
            if e.errno != errno.ENOTCONN:
                raise
        finally:
            self.sock.close() 
Example 25
Project: pyblish-win   Author: pyblish   File: imaplib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def authenticate(self, mechanism, authobject):
        """Authenticate command - requires response processing.

        'mechanism' specifies which authentication mechanism is to
        be used - it must appear in <instance>.capabilities in the
        form AUTH=<mechanism>.

        'authobject' must be a callable object:

                data = authobject(response)

        It will be called to process server continuation responses.
        It should return data that will be encoded and sent to server.
        It should return None if the client abort response '*' should
        be sent instead.
        """
        mech = mechanism.upper()
        # XXX: shouldn't this code be removed, not commented out?
        #cap = 'AUTH=%s' % mech
        #if not cap in self.capabilities:       # Let the server decide!
        #    raise self.error("Server doesn't allow %s authentication." % mech)
        self.literal = _Authenticator(authobject).process
        typ, dat = self._simple_command('AUTHENTICATE', mech)
        if typ != 'OK':
            raise self.error(dat[-1])
        self.state = 'AUTH'
        return typ, dat 
Example 26
Project: pyblish-win   Author: pyblish   File: imaplib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def login(self, user, password):
        """Identify client using plaintext password.

        (typ, [data]) = <instance>.login(user, password)

        NB: 'password' will be quoted.
        """
        typ, dat = self._simple_command('LOGIN', user, self._quote(password))
        if typ != 'OK':
            raise self.error(dat[-1])
        self.state = 'AUTH'
        return typ, dat 
Example 27
Project: pyblish-win   Author: pyblish   File: imaplib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def status(self, mailbox, names):
        """Request named status conditions for mailbox.

        (typ, [data]) = <instance>.status(mailbox, names)
        """
        name = 'STATUS'
        #if self.PROTOCOL_VERSION == 'IMAP4':   # Let the server decide!
        #    raise self.error('%s unimplemented in IMAP4 (obtain IMAP4rev1 server, or re-code)' % name)
        typ, dat = self._simple_command(name, mailbox, names)
        return self._untagged_response(typ, dat, name) 
Example 28
Project: pyblish-win   Author: pyblish   File: httplib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def __init__(self, host='', port=None, strict=None):
        "Provide a default host, since the superclass requires one."

        # some joker passed 0 explicitly, meaning default port
        if port == 0:
            port = None

        # Note that we may pass an empty string as the host; this will raise
        # an error when we attempt to connect. Presumably, the client code
        # will call connect before then, with a proper host.
        self._setup(self._connection_class(host, port, strict)) 
Example 29
Project: pyblish-win   Author: pyblish   File: httplib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def getreply(self, buffering=False):
        """Compat definition since superclass does not define it.

        Returns a tuple consisting of:
        - server status code (e.g. '200' if all goes well)
        - server "reason" corresponding to status code
        - any RFC822 headers in the response from the server
        """
        try:
            if not buffering:
                response = self._conn.getresponse()
            else:
                #only add this keyword if non-default for compatibility
                #with other connection classes
                response = self._conn.getresponse(buffering)
        except BadStatusLine, e:
            ### hmm. if getresponse() ever closes the socket on a bad request,
            ### then we are going to have problems with self.sock

            ### should we keep this behavior? do people use it?
            # keep the socket open (as a file), and return it
            self.file = self._conn.sock.makefile('rb', 0)

            # close our socket -- we want to restart after any protocol error
            self.close()

            self.headers = None
            return -1, e.line, None 
Example 30
Project: pyblish-win   Author: pyblish   File: telnetlib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def write(self, buffer):
        """Write a string to the socket, doubling any IAC characters.

        Can block if the connection is blocked.  May raise
        socket.error if the connection is closed.

        """
        if IAC in buffer:
            buffer = buffer.replace(IAC, IAC+IAC)
        self.msg("send %r", buffer)
        self.sock.sendall(buffer) 
Example 31
Project: pyblish-win   Author: pyblish   File: handlers.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def createSocket(self):
        """
        Try to create a socket, using an exponential backoff with
        a max retry time. Thanks to Robert Olson for the original patch
        (SF #815911) which has been slightly refactored.
        """
        now = time.time()
        # Either retryTime is None, in which case this
        # is the first time back after a disconnect, or
        # we've waited long enough.
        if self.retryTime is None:
            attempt = 1
        else:
            attempt = (now >= self.retryTime)
        if attempt:
            try:
                self.sock = self.makeSocket()
                self.retryTime = None # next time, no delay before trying
            except socket.error:
                #Creation failed, so set the retry time and return.
                if self.retryTime is None:
                    self.retryPeriod = self.retryStart
                else:
                    self.retryPeriod = self.retryPeriod * self.retryFactor
                    if self.retryPeriod > self.retryMax:
                        self.retryPeriod = self.retryMax
                self.retryTime = now + self.retryPeriod 
Example 32
Project: pyblish-win   Author: pyblish   File: handlers.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def send(self, s):
        """
        Send a pickled string to the socket.

        This function allows for partial sends which can happen when the
        network is busy.
        """
        if self.sock is None:
            self.createSocket()
        #self.sock can be None either because we haven't reached the retry
        #time yet, or because we have reached the retry time and retried,
        #but are still unable to connect.
        if self.sock:
            try:
                if hasattr(self.sock, "sendall"):
                    self.sock.sendall(s)
                else:
                    sentsofar = 0
                    left = len(s)
                    while left > 0:
                        sent = self.sock.send(s[sentsofar:])
                        sentsofar = sentsofar + sent
                        left = left - sent
            except socket.error:
                self.sock.close()
                self.sock = None  # so we can call createSocket next time 
Example 33
Project: pyblish-win   Author: pyblish   File: handlers.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def handleError(self, record):
        """
        Handle an error during logging.

        An error has occurred during logging. Most likely cause -
        connection lost. Close the socket so that we can retry on the
        next event.
        """
        if self.closeOnError and self.sock:
            self.sock.close()
            self.sock = None        #try to reconnect next time
        else:
            logging.Handler.handleError(self, record) 
Example 34
Project: pyblish-win   Author: pyblish   File: handlers.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def emit(self, record):
        """
        Emit a record.

        The record is formatted, and then sent to the syslog server. If
        exception information is present, it is NOT sent to the server.
        """
        try:
            msg = self.format(record) + '\000'
            """
            We need to convert record level to lowercase, maybe this will
            change in the future.
            """
            prio = '<%d>' % self.encodePriority(self.facility,
                                                self.mapPriority(record.levelname))
            # Message is a string. Convert to bytes as required by RFC 5424
            if type(msg) is unicode:
                msg = msg.encode('utf-8')
            msg = prio + msg
            if self.unixsocket:
                try:
                    self.socket.send(msg)
                except socket.error:
                    self.socket.close() # See issue 17981
                    self._connect_unixsocket(self.address)
                    self.socket.send(msg)
            elif self.socktype == socket.SOCK_DGRAM:
                self.socket.sendto(msg, self.address)
            else:
                self.socket.sendall(msg)
        except (KeyboardInterrupt, SystemExit):
            raise
        except:
            self.handleError(record) 
Example 35
Project: pyblish-win   Author: pyblish   File: urllib2.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def install_opener(opener):
    global _opener
    _opener = opener

# do these error classes make sense?
# make sure all of the IOError stuff is overridden.  we just want to be
# subtypes. 
Example 36
Project: pyblish-win   Author: pyblish   File: urllib2.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def __str__(self):
        return '<urlopen error %s>' % self.reason 
Example 37
Project: pyblish-win   Author: pyblish   File: urllib2.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def ftp_open(self, req):
        import ftplib
        import mimetypes
        host = req.get_host()
        if not host:
            raise URLError('ftp error: no host given')
        host, port = splitport(host)
        if port is None:
            port = ftplib.FTP_PORT
        else:
            port = int(port)

        # username/password handling
        user, host = splituser(host)
        if user:
            user, passwd = splitpasswd(user)
        else:
            passwd = None
        host = unquote(host)
        user = user or ''
        passwd = passwd or ''

        try:
            host = socket.gethostbyname(host)
        except socket.error, msg:
            raise URLError(msg) 
Example 38
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def open(self, fullurl, data=None):
        """Use URLopener().open(file) instead of open(file, 'r')."""
        fullurl = unwrap(toBytes(fullurl))
        # percent encode url, fixing lame server errors for e.g, like space
        # within url paths.
        fullurl = quote(fullurl, safe="%/:=&?~#+!$,;'@()*[]|")
        if self.tempcache and fullurl in self.tempcache:
            filename, headers = self.tempcache[fullurl]
            fp = open(filename, 'rb')
            return addinfourl(fp, headers, fullurl)
        urltype, url = splittype(fullurl)
        if not urltype:
            urltype = 'file'
        if urltype in self.proxies:
            proxy = self.proxies[urltype]
            urltype, proxyhost = splittype(proxy)
            host, selector = splithost(proxyhost)
            url = (host, fullurl) # Signal special case to open_*()
        else:
            proxy = None
        name = 'open_' + urltype
        self.type = urltype
        name = name.replace('-', '_')
        if not hasattr(self, name):
            if proxy:
                return self.open_unknown_proxy(proxy, fullurl, data)
            else:
                return self.open_unknown(fullurl, data)
        try:
            if data is None:
                return getattr(self, name)(url)
            else:
                return getattr(self, name)(url, data)
        except socket.error, msg:
            raise IOError, ('socket error', msg), sys.exc_info()[2] 
Example 39
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def open_unknown(self, fullurl, data=None):
        """Overridable interface to open unknown URL type."""
        type, url = splittype(fullurl)
        raise IOError, ('url error', 'unknown url type', type) 
Example 40
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def open_unknown_proxy(self, proxy, fullurl, data=None):
        """Overridable interface to open unknown URL type."""
        type, url = splittype(fullurl)
        raise IOError, ('url error', 'invalid proxy for %s' % type, proxy)

    # External interface 
Example 41
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def http_error_default(self, url, fp, errcode, errmsg, headers):
        """Default error handler: close the connection and raise IOError."""
        fp.close()
        raise IOError, ('http error', errcode, errmsg, headers) 
Example 42
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def open_file(self, url):
        """Use local file or FTP depending on form of URL."""
        if not isinstance(url, str):
            raise IOError, ('file error', 'proxy support for file protocol currently not implemented')
        if url[:2] == '//' and url[2:3] != '/' and url[2:12].lower() != 'localhost/':
            return self.open_ftp(url)
        else:
            return self.open_local_file(url) 
Example 43
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def http_error_default(self, url, fp, errcode, errmsg, headers):
        """Default error handling -- don't raise an exception."""
        return addinfourl(fp, headers, "http:" + url, errcode) 
Example 44
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def http_error_307(self, url, fp, errcode, errmsg, headers, data=None):
        """Error 307 -- relocated, but turn POST into error."""
        if data is None:
            return self.http_error_302(url, fp, errcode, errmsg, headers, data)
        else:
            return self.http_error_default(url, fp, errcode, errmsg, headers) 
Example 45
Project: pyblish-win   Author: pyblish   File: ftplib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def makeport(self):
        '''Create a new socket and send a PORT command for it.'''
        err = None
        sock = None
        for res in socket.getaddrinfo(None, 0, self.af, socket.SOCK_STREAM, 0, socket.AI_PASSIVE):
            af, socktype, proto, canonname, sa = res
            try:
                sock = socket.socket(af, socktype, proto)
                sock.bind(sa)
            except socket.error, err:
                if sock:
                    sock.close()
                sock = None
                continue
            break 
Example 46
Project: pyblish-win   Author: pyblish   File: SocketServer.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def _eintr_retry(func, *args):
    """restart a system call interrupted by EINTR"""
    while True:
        try:
            return func(*args)
        except (OSError, select.error) as e:
            if e.args[0] != errno.EINTR:
                raise 
Example 47
Project: pyblish-win   Author: pyblish   File: SocketServer.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def handle_error(self, request, client_address):
        """Handle an error gracefully.  May be overridden.

        The default is to print a traceback and continue.

        """
        print '-'*40
        print 'Exception happened during processing of request from',
        print client_address
        import traceback
        traceback.print_exc() # XXX But this goes to stderr!
        print '-'*40 
Example 48
Project: pyblish-win   Author: pyblish   File: SocketServer.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def shutdown_request(self, request):
        """Called to shutdown and close an individual request."""
        try:
            #explicitly shutdown.  socket.close() merely releases
            #the socket and waits for GC to perform the actual close.
            request.shutdown(socket.SHUT_WR)
        except socket.error:
            pass #some platforms may raise ENOTCONN here
        self.close_request(request) 
Example 49
Project: pyblish-win   Author: pyblish   File: SocketServer.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def finish(self):
        if not self.wfile.closed:
            try:
                self.wfile.flush()
            except socket.error:
                # An final socket error may have occurred here, such as
                # the local error ECONNABORTED.
                pass
        self.wfile.close()
        self.rfile.close() 
Example 50
Project: pyblish-win   Author: pyblish   File: smtplib.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def send(self, str):
        """Send `str' to the server."""
        if self.debuglevel > 0:
            print>>stderr, 'send:', repr(str)
        if hasattr(self, 'sock') and self.sock:
            try:
                self.sock.sendall(str)
            except socket.error:
                self.close()
                raise SMTPServerDisconnected('Server not connected')
        else:
            raise SMTPServerDisconnected('please run connect() first') 
Example 51
Project: pyblish-win   Author: pyblish   File: platform.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def _syscmd_ver(system='', release='', version='',

               supported_platforms=('win32','win16','dos','os2')):

    """ Tries to figure out the OS version used and returns
        a tuple (system,release,version).

        It uses the "ver" shell command for this which is known
        to exists on Windows, DOS and OS/2. XXX Others too ?

        In case this fails, the given parameters are used as
        defaults.

    """
    if sys.platform not in supported_platforms:
        return system,release,version

    # Try some common cmd strings
    for cmd in ('ver','command /c ver','cmd /c ver'):
        try:
            pipe = popen(cmd)
            info = pipe.read()
            if pipe.close():
                raise os.error,'command failed'
            # XXX How can I suppress shell errors from being written
            #     to stderr ?
        except os.error,why:
            #print 'Command %s failed: %s' % (cmd,why)
            continue
        except IOError,why:
            #print 'Command %s failed: %s' % (cmd,why)
            continue 
Example 52
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def readwrite(obj, flags):
    try:
        if flags & select.POLLIN:
            obj.handle_read_event()
        if flags & select.POLLOUT:
            obj.handle_write_event()
        if flags & select.POLLPRI:
            obj.handle_expt_event()
        if flags & (select.POLLHUP | select.POLLERR | select.POLLNVAL):
            obj.handle_close()
    except socket.error, e:
        if e.args[0] not in _DISCONNECTED:
            obj.handle_error()
        else:
            obj.handle_close() 
Example 53
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def poll2(timeout=0.0, map=None):
    # Use the poll() support added to the select module in Python 2.0
    if map is None:
        map = socket_map
    if timeout is not None:
        # timeout is in milliseconds
        timeout = int(timeout*1000)
    pollster = select.poll()
    if map:
        for fd, obj in map.items():
            flags = 0
            if obj.readable():
                flags |= select.POLLIN | select.POLLPRI
            # accepting sockets should not be writable
            if obj.writable() and not obj.accepting:
                flags |= select.POLLOUT
            if flags:
                # Only check for exceptions if object was either readable
                # or writable.
                flags |= select.POLLERR | select.POLLHUP | select.POLLNVAL
                pollster.register(fd, flags)
        try:
            r = pollster.poll(timeout)
        except select.error, err:
            if err.args[0] != EINTR:
                raise
            r = []
        for fd, flags in r:
            obj = map.get(fd)
            if obj is None:
                continue
            readwrite(obj, flags) 
Example 54
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def __init__(self, sock=None, map=None):
        if map is None:
            self._map = socket_map
        else:
            self._map = map

        self._fileno = None

        if sock:
            # Set to nonblocking just to make sure for cases where we
            # get a socket from a blocking source.
            sock.setblocking(0)
            self.set_socket(sock, map)
            self.connected = True
            # The constructor no longer requires that the socket
            # passed be connected.
            try:
                self.addr = sock.getpeername()
            except socket.error, err:
                if err.args[0] in (ENOTCONN, EINVAL):
                    # To handle the case where we got an unconnected
                    # socket.
                    self.connected = False
                else:
                    # The socket is broken in some unknown way, alert
                    # the user and remove it from the map (to prevent
                    # polling of broken sockets).
                    self.del_channel(map)
                    raise 
Example 55
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def accept(self):
        # XXX can return either an address pair or None
        try:
            conn, addr = self.socket.accept()
        except TypeError:
            return None
        except socket.error as why:
            if why.args[0] in (EWOULDBLOCK, ECONNABORTED, EAGAIN):
                return None
            else:
                raise
        else:
            return conn, addr 
Example 56
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def send(self, data):
        try:
            result = self.socket.send(data)
            return result
        except socket.error, why:
            if why.args[0] == EWOULDBLOCK:
                return 0
            elif why.args[0] in _DISCONNECTED:
                self.handle_close()
                return 0
            else:
                raise 
Example 57
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def recv(self, buffer_size):
        try:
            data = self.socket.recv(buffer_size)
            if not data:
                # a closed connection is indicated by signaling
                # a read condition, and having recv() return 0.
                self.handle_close()
                return ''
            else:
                return data
        except socket.error, why:
            # winsock sometimes raises ENOTCONN
            if why.args[0] in _DISCONNECTED:
                self.handle_close()
                return ''
            else:
                raise 
Example 58
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def close(self):
        self.connected = False
        self.accepting = False
        self.connecting = False
        self.del_channel()
        try:
            self.socket.close()
        except socket.error, why:
            if why.args[0] not in (ENOTCONN, EBADF):
                raise

    # cheap inheritance, used to pass all other attribute
    # references to the underlying socket object. 
Example 59
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def __getattr__(self, attr):
        try:
            retattr = getattr(self.socket, attr)
        except AttributeError:
            raise AttributeError("%s instance has no attribute '%s'"
                                 %(self.__class__.__name__, attr))
        else:
            msg = "%(me)s.%(attr)s is deprecated. Use %(me)s.socket.%(attr)s " \
                  "instead." % {'me': self.__class__.__name__, 'attr':attr}
            warnings.warn(msg, DeprecationWarning, stacklevel=2)
            return retattr

    # log and log_info may be overridden to provide more sophisticated
    # logging and warning methods. In general, log is for 'hit' logging
    # and 'log_info' is for informational, warning and error logging. 
Example 60
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def handle_expt_event(self):
        # handle_expt_event() is called if there might be an error on the
        # socket, or if there is OOB data
        # check for the error condition first
        err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
        if err != 0:
            # we can get here when select.select() says that there is an
            # exceptional condition on the socket
            # since there is an error, we'll go ahead and close the socket
            # like we would in a subclassed handle_read() that received no
            # data
            self.handle_close()
        else:
            self.handle_expt() 
Example 61
Project: pyblish-win   Author: pyblish   File: webbrowser.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def main():
    import getopt
    usage = """Usage: %s [-n | -t] url
    -n: open new window
    -t: open new tab""" % sys.argv[0]
    try:
        opts, args = getopt.getopt(sys.argv[1:], 'ntd')
    except getopt.error, msg:
        print >>sys.stderr, msg
        print >>sys.stderr, usage
        sys.exit(1) 
Example 62
Project: pyblish-win   Author: pyblish   File: test_socket.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def try_address(host, port=0, family=socket.AF_INET):
    """Try to bind a socket on the given host:port and return True
    if that has been possible."""
    try:
        sock = socket.socket(family, socket.SOCK_STREAM)
        sock.bind((host, port))
    except (socket.error, socket.gaierror):
        return False
    else:
        sock.close()
        return True 
Example 63
Project: pyblish-win   Author: pyblish   File: test_socket.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def testSocketError(self):
        # Testing socket module exceptions
        def raise_error(*args, **kwargs):
            raise socket.error
        def raise_herror(*args, **kwargs):
            raise socket.herror
        def raise_gaierror(*args, **kwargs):
            raise socket.gaierror
        self.assertRaises(socket.error, raise_error,
                              "Error raising socket exception.")
        self.assertRaises(socket.error, raise_herror,
                              "Error raising socket exception.")
        self.assertRaises(socket.error, raise_gaierror,
                              "Error raising socket exception.") 
Example 64
Project: pyblish-win   Author: pyblish   File: test_socket.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def testInterpreterCrash(self):
        # Making sure getnameinfo doesn't crash the interpreter
        try:
            # On some versions, this crashes the interpreter.
            socket.getnameinfo(('x', 0, 0, 0), 0)
        except socket.error:
            pass 
Example 65
Project: pyblish-win   Author: pyblish   File: test_socket.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def testSendAfterClose(self):
        # testing send() after close() with timeout
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        sock.settimeout(1)
        sock.close()
        self.assertRaises(socket.error, sock.send, "spam") 
Example 66
Project: pyblish-win   Author: pyblish   File: test_socket.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def testSetBlocking(self):
        # Testing whether set blocking works
        self.serv.setblocking(True)
        self.assertIsNone(self.serv.gettimeout())
        self.serv.setblocking(False)
        self.assertEqual(self.serv.gettimeout(), 0.0)
        start = time.time()
        try:
            self.serv.accept()
        except socket.error:
            pass
        end = time.time()
        self.assertTrue((end - start) < 1.0, "Error setting non-blocking mode.") 
Example 67
Project: pyblish-win   Author: pyblish   File: test_socket.py    GNU Lesser General Public License v3.0 5 votes vote down vote up
def testAccept(self):
        # Testing non-blocking accept
        self.serv.setblocking(0)
        try:
            conn, addr = self.serv.accept()
        except socket.error:
            pass
        else:
            self.fail("Error trying to do non-blocking accept.")
        read, write, err = select.select([self.serv], [], [])
        if self.serv in read:
            conn, addr = self.serv.accept()
            conn.close()
        else:
            self.fail("Error trying to do accept after select.") 
Example 68
Project: pyblish-win   Author: pyblish   File: imaplib.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def __init__(self, host = '', port = IMAP4_PORT):
        self.debug = Debug
        self.state = 'LOGOUT'
        self.literal = None             # A literal argument to a command
        self.tagged_commands = {}       # Tagged commands awaiting response
        self.untagged_responses = {}    # {typ: [data, ...], ...}
        self.continuation_response = '' # Last continuation response
        self.is_readonly = False        # READ-ONLY desired state
        self.tagnum = 0

        # Open socket to server.

        self.open(host, port)

        # Create unique tag for this session,
        # and compile tagged response matcher.

        self.tagpre = Int2AP(random.randint(4096, 65535))
        self.tagre = re.compile(r'(?P<tag>'
                        + self.tagpre
                        + r'\d+) (?P<type>[A-Z]+) (?P<data>.*)')

        # Get server welcome message,
        # request and store CAPABILITY response.

        if __debug__:
            self._cmd_log_len = 10
            self._cmd_log_idx = 0
            self._cmd_log = {}           # Last `_cmd_log_len' interactions
            if self.debug >= 1:
                self._mesg('imaplib version %s' % __version__)
                self._mesg('new IMAP4 connection, tag=%s' % self.tagpre)

        self.welcome = self._get_response()
        if 'PREAUTH' in self.untagged_responses:
            self.state = 'AUTH'
        elif 'OK' in self.untagged_responses:
            self.state = 'NONAUTH'
        else:
            raise self.error(self.welcome)

        typ, dat = self.capability()
        if dat == [None]:
            raise self.error('no CAPABILITY response from server')
        self.capabilities = tuple(dat[-1].upper().split())

        if __debug__:
            if self.debug >= 3:
                self._mesg('CAPABILITIES: %r' % (self.capabilities,))

        for version in AllowedVersions:
            if not version in self.capabilities:
                continue
            self.PROTOCOL_VERSION = version
            return

        raise self.error('server not IMAP4 compliant') 
Example 69
Project: pyblish-win   Author: pyblish   File: imaplib.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def _command(self, name, *args):

        if self.state not in Commands[name]:
            self.literal = None
            raise self.error("command %s illegal in state %s, "
                             "only allowed in states %s" %
                             (name, self.state,
                              ', '.join(Commands[name])))

        for typ in ('OK', 'NO', 'BAD'):
            if typ in self.untagged_responses:
                del self.untagged_responses[typ]

        if 'READ-ONLY' in self.untagged_responses \
        and not self.is_readonly:
            raise self.readonly('mailbox status changed to READ-ONLY')

        tag = self._new_tag()
        data = '%s %s' % (tag, name)
        for arg in args:
            if arg is None: continue
            data = '%s %s' % (data, self._checkquote(arg))

        literal = self.literal
        if literal is not None:
            self.literal = None
            if type(literal) is type(self._command):
                literator = literal
            else:
                literator = None
                data = '%s {%s}' % (data, len(literal))

        if __debug__:
            if self.debug >= 4:
                self._mesg('> %s' % data)
            else:
                self._log('> %s' % data)

        try:
            self.send('%s%s' % (data, CRLF))
        except (socket.error, OSError), val:
            raise self.abort('socket error: %s' % val) 
Example 70
Project: pyblish-win   Author: pyblish   File: telnetlib.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def _read_until_with_poll(self, match, timeout):
        """Read until a given string is encountered or until timeout.

        This method uses select.poll() to implement the timeout.
        """
        n = len(match)
        call_timeout = timeout
        if timeout is not None:
            from time import time
            time_start = time()
        self.process_rawq()
        i = self.cookedq.find(match)
        if i < 0:
            poller = select.poll()
            poll_in_or_priority_flags = select.POLLIN | select.POLLPRI
            poller.register(self, poll_in_or_priority_flags)
            while i < 0 and not self.eof:
                try:
                    # Poll takes its timeout in milliseconds.
                    ready = poller.poll(None if timeout is None
                                        else 1000 * call_timeout)
                except select.error as e:
                    if e.errno == errno.EINTR:
                        if timeout is not None:
                            elapsed = time() - time_start
                            call_timeout = timeout-elapsed
                        continue
                    raise
                for fd, mode in ready:
                    if mode & poll_in_or_priority_flags:
                        i = max(0, len(self.cookedq)-n)
                        self.fill_rawq()
                        self.process_rawq()
                        i = self.cookedq.find(match, i)
                if timeout is not None:
                    elapsed = time() - time_start
                    if elapsed >= timeout:
                        break
                    call_timeout = timeout-elapsed
            poller.unregister(self)
        if i >= 0:
            i = i + n
            buf = self.cookedq[:i]
            self.cookedq = self.cookedq[i:]
            return buf
        return self.read_very_lazy() 
Example 71
Project: pyblish-win   Author: pyblish   File: urllib2.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def add_handler(self, handler):
        if not hasattr(handler, "add_parent"):
            raise TypeError("expected BaseHandler instance, got %r" %
                            type(handler))

        added = False
        for meth in dir(handler):
            if meth in ["redirect_request", "do_open", "proxy_open"]:
                # oops, coincidental match
                continue

            i = meth.find("_")
            protocol = meth[:i]
            condition = meth[i+1:]

            if condition.startswith("error"):
                j = condition.find("_") + i + 1
                kind = meth[j+1:]
                try:
                    kind = int(kind)
                except ValueError:
                    pass
                lookup = self.handle_error.get(protocol, {})
                self.handle_error[protocol] = lookup
            elif condition == "open":
                kind = protocol
                lookup = self.handle_open
            elif condition == "response":
                kind = protocol
                lookup = self.process_response
            elif condition == "request":
                kind = protocol
                lookup = self.process_request
            else:
                continue

            handlers = lookup.setdefault(kind, [])
            if handlers:
                bisect.insort(handlers, handler)
            else:
                handlers.append(handler)
            added = True

        if added:
            bisect.insort(self.handlers, handler)
            handler.add_parent(self) 
Example 72
Project: pyblish-win   Author: pyblish   File: urllib2.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def do_open(self, http_class, req, **http_conn_args):
        """Return an addinfourl object for the request, using http_class.

        http_class must implement the HTTPConnection API from httplib.
        The addinfourl return value is a file-like object.  It also
        has methods and attributes including:
            - info(): return a mimetools.Message object for the headers
            - geturl(): return the original request URL
            - code: HTTP status code
        """
        host = req.get_host()
        if not host:
            raise URLError('no host given')

        # will parse host:port
        h = http_class(host, timeout=req.timeout, **http_conn_args)
        h.set_debuglevel(self._debuglevel)

        headers = dict(req.unredirected_hdrs)
        headers.update(dict((k, v) for k, v in req.headers.items()
                            if k not in headers))

        # We want to make an HTTP/1.1 request, but the addinfourl
        # class isn't prepared to deal with a persistent connection.
        # It will try to read all remaining data from the socket,
        # which will block while the server waits for the next request.
        # So make sure the connection gets closed after the (only)
        # request.
        headers["Connection"] = "close"
        headers = dict(
            (name.title(), val) for name, val in headers.items())

        if req._tunnel_host:
            tunnel_headers = {}
            proxy_auth_hdr = "Proxy-Authorization"
            if proxy_auth_hdr in headers:
                tunnel_headers[proxy_auth_hdr] = headers[proxy_auth_hdr]
                # Proxy-Authorization should not be sent to origin
                # server.
                del headers[proxy_auth_hdr]
            h.set_tunnel(req._tunnel_host, headers=tunnel_headers)

        try:
            h.request(req.get_method(), req.get_selector(), req.data, headers)
        except socket.error, err: # XXX what error?
            h.close()
            raise URLError(err) 
Example 73
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def open_ftp(self, url):
        """Use FTP protocol."""
        if not isinstance(url, str):
            raise IOError, ('ftp error', 'proxy support for ftp protocol currently not implemented')
        import mimetypes, mimetools
        try:
            from cStringIO import StringIO
        except ImportError:
            from StringIO import StringIO
        host, path = splithost(url)
        if not host: raise IOError, ('ftp error', 'no host given')
        host, port = splitport(host)
        user, host = splituser(host)
        if user: user, passwd = splitpasswd(user)
        else: passwd = None
        host = unquote(host)
        user = user or ''
        passwd = passwd or ''
        host = socket.gethostbyname(host)
        if not port:
            import ftplib
            port = ftplib.FTP_PORT
        else:
            port = int(port)
        path, attrs = splitattr(path)
        path = unquote(path)
        dirs = path.split('/')
        dirs, file = dirs[:-1], dirs[-1]
        if dirs and not dirs[0]: dirs = dirs[1:]
        if dirs and not dirs[0]: dirs[0] = '/'
        key = user, host, port, '/'.join(dirs)
        # XXX thread unsafe!
        if len(self.ftpcache) > MAXFTPCACHE:
            # Prune the cache, rather arbitrarily
            for k in self.ftpcache.keys():
                if k != key:
                    v = self.ftpcache[k]
                    del self.ftpcache[k]
                    v.close()
        try:
            if not key in self.ftpcache:
                self.ftpcache[key] = \
                    ftpwrapper(user, passwd, host, port, dirs)
            if not file: type = 'D'
            else: type = 'I'
            for attr in attrs:
                attr, value = splitvalue(attr)
                if attr.lower() == 'type' and \
                   value in ('a', 'A', 'i', 'I', 'd', 'D'):
                    type = value.upper()
            (fp, retrlen) = self.ftpcache[key].retrfile(file, type)
            mtype = mimetypes.guess_type("ftp:" + url)[0]
            headers = ""
            if mtype:
                headers += "Content-Type: %s\n" % mtype
            if retrlen is not None and retrlen >= 0:
                headers += "Content-Length: %d\n" % retrlen
            headers = mimetools.Message(StringIO(headers))
            return addinfourl(fp, headers, "ftp:" + url)
        except ftperrors(), msg:
            raise IOError, ('ftp error', msg), sys.exc_info()[2] 
Example 74
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def open_data(self, url, data=None):
        """Use "data" URL."""
        if not isinstance(url, str):
            raise IOError, ('data error', 'proxy support for data protocol currently not implemented')
        # ignore POSTed data
        #
        # syntax of data URLs:
        # dataurl   := "data:" [ mediatype ] [ ";base64" ] "," data
        # mediatype := [ type "/" subtype ] *( ";" parameter )
        # data      := *urlchar
        # parameter := attribute "=" value
        import mimetools
        try:
            from cStringIO import StringIO
        except ImportError:
            from StringIO import StringIO
        try:
            [type, data] = url.split(',', 1)
        except ValueError:
            raise IOError, ('data error', 'bad data URL')
        if not type:
            type = 'text/plain;charset=US-ASCII'
        semi = type.rfind(';')
        if semi >= 0 and '=' not in type[semi:]:
            encoding = type[semi+1:]
            type = type[:semi]
        else:
            encoding = ''
        msg = []
        msg.append('Date: %s'%time.strftime('%a, %d %b %Y %H:%M:%S GMT',
                                            time.gmtime(time.time())))
        msg.append('Content-type: %s' % type)
        if encoding == 'base64':
            data = base64.decodestring(data)
        else:
            data = unquote(data)
        msg.append('Content-Length: %d' % len(data))
        msg.append('')
        msg.append(data)
        msg = '\n'.join(msg)
        f = StringIO(msg)
        headers = mimetools.Message(f, 0)
        #f.fileno = None     # needed for addinfourl
        return addinfourl(f, headers, url) 
Example 75
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def proxy_bypass_macosx_sysconf(host):
        """
        Return True iff this host shouldn't be accessed using a proxy

        This function uses the MacOSX framework SystemConfiguration
        to fetch the proxy information.
        """
        import re
        import socket
        from fnmatch import fnmatch

        hostonly, port = splitport(host)

        def ip2num(ipAddr):
            parts = ipAddr.split('.')
            parts = map(int, parts)
            if len(parts) != 4:
                parts = (parts + [0, 0, 0, 0])[:4]
            return (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8) | parts[3]

        proxy_settings = _get_proxy_settings()

        # Check for simple host names:
        if '.' not in host:
            if proxy_settings['exclude_simple']:
                return True

        hostIP = None

        for value in proxy_settings.get('exceptions', ()):
            # Items in the list are strings like these: *.local, 169.254/16
            if not value: continue

            m = re.match(r"(\d+(?:\.\d+)*)(/\d+)?", value)
            if m is not None:
                if hostIP is None:
                    try:
                        hostIP = socket.gethostbyname(hostonly)
                        hostIP = ip2num(hostIP)
                    except socket.error:
                        continue

                base = ip2num(m.group(1))
                mask = m.group(2)
                if mask is None:
                    mask = 8 * (m.group(1).count('.') + 1)

                else:
                    mask = int(mask[1:])
                mask = 32 - mask

                if (hostIP >> mask) == (base >> mask):
                    return True

            elif fnmatch(host, value):
                return True

        return False 
Example 76
Project: pyblish-win   Author: pyblish   File: urllib.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def proxy_bypass_registry(host):
        try:
            import _winreg
            import re
        except ImportError:
            # Std modules, so should be around - but you never know!
            return 0
        try:
            internetSettings = _winreg.OpenKey(_winreg.HKEY_CURRENT_USER,
                r'Software\Microsoft\Windows\CurrentVersion\Internet Settings')
            proxyEnable = _winreg.QueryValueEx(internetSettings,
                                               'ProxyEnable')[0]
            proxyOverride = str(_winreg.QueryValueEx(internetSettings,
                                                     'ProxyOverride')[0])
            # ^^^^ Returned as Unicode but problems if not converted to ASCII
        except WindowsError:
            return 0
        if not proxyEnable or not proxyOverride:
            return 0
        # try to make a host list from name and IP address.
        rawHost, port = splitport(host)
        host = [rawHost]
        try:
            addr = socket.gethostbyname(rawHost)
            if addr != rawHost:
                host.append(addr)
        except socket.error:
            pass
        try:
            fqdn = socket.getfqdn(rawHost)
            if fqdn != rawHost:
                host.append(fqdn)
        except socket.error:
            pass
        # make a check value list from the registry entry: replace the
        # '<local>' string by the localhost entry and the corresponding
        # canonical entry.
        proxyOverride = proxyOverride.split(';')
        # now check if we match one of the registry values.
        for test in proxyOverride:
            if test == '<local>':
                if '.' not in rawHost:
                    return 1
            test = test.replace(".", r"\.")     # mask dots
            test = test.replace("*", r".*")     # change glob sequence
            test = test.replace("?", r".")      # change glob char
            for val in host:
                # print "%s <--> %s" %( test, val )
                if re.match(test, val, re.I):
                    return 1
        return 0 
Example 77
Project: pyblish-win   Author: pyblish   File: smtplib.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def getreply(self):
        """Get a reply from the server.

        Returns a tuple consisting of:

          - server response code (e.g. '250', or such, if all goes well)
            Note: returns -1 if it can't read response code.

          - server response string corresponding to response code (multiline
            responses are converted to a single, multiline string).

        Raises SMTPServerDisconnected if end-of-file is reached.
        """
        resp = []
        if self.file is None:
            self.file = self.sock.makefile('rb')
        while 1:
            try:
                line = self.file.readline(_MAXLINE + 1)
            except socket.error as e:
                self.close()
                raise SMTPServerDisconnected("Connection unexpectedly closed: "
                                             + str(e))
            if line == '':
                self.close()
                raise SMTPServerDisconnected("Connection unexpectedly closed")
            if self.debuglevel > 0:
                print>>stderr, 'reply:', repr(line)
            if len(line) > _MAXLINE:
                raise SMTPResponseException(500, "Line too long.")
            resp.append(line[4:].strip())
            code = line[:3]
            # Check that the error code is syntactically correct.
            # Don't attempt to read a continuation line if it is broken.
            try:
                errcode = int(code)
            except ValueError:
                errcode = -1
                break
            # Check if multiline response.
            if line[3:4] != "-":
                break

        errmsg = "\n".join(resp)
        if self.debuglevel > 0:
            print>>stderr, 'reply: retcode (%s); Msg: %s' % (errcode, errmsg)
        return errcode, errmsg 
Example 78
Project: pyblish-win   Author: pyblish   File: platform.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def linux_distribution(distname='', version='', id='',

                       supported_dists=_supported_dists,
                       full_distribution_name=1):

    """ Tries to determine the name of the Linux OS distribution name.

        The function first looks for a distribution release file in
        /etc and then reverts to _dist_try_harder() in case no
        suitable files are found.

        supported_dists may be given to define the set of Linux
        distributions to look for. It defaults to a list of currently
        supported Linux distributions identified by their release file
        name.

        If full_distribution_name is true (default), the full
        distribution read from the OS is returned. Otherwise the short
        name taken from supported_dists is used.

        Returns a tuple (distname,version,id) which default to the
        args given as parameters.

    """
    try:
        etc = os.listdir('/etc')
    except os.error:
        # Probably not a Unix system
        return distname,version,id
    etc.sort()
    for file in etc:
        m = _release_filename.match(file)
        if m is not None:
            _distname,dummy = m.groups()
            if _distname in supported_dists:
                distname = _distname
                break
    else:
        return _dist_try_harder(distname,version,id)

    # Read the first line
    f = open('/etc/'+file, 'r')
    firstline = f.readline()
    f.close()
    _distname, _version, _id = _parse_release_file(firstline)

    if _distname and full_distribution_name:
        distname = _distname
    if _version:
        version = _version
    if _id:
        id = _id
    return distname, version, id

# To maintain backwards compatibility: 
Example 79
Project: pyblish-win   Author: pyblish   File: platform.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def _syscmd_file(target,default=''):

    """ Interface to the system's file command.

        The function uses the -b option of the file command to have it
        ommit the filename in its output and if possible the -L option
        to have the command follow symlinks. It returns default in
        case the command should fail.

    """

    # We do the import here to avoid a bootstrap issue.
    # See c73b90b6dadd changeset.
    #
    # [..]
    # ranlib libpython2.7.a
    # gcc   -o python \
    #        Modules/python.o \
    #        libpython2.7.a -lsocket -lnsl -ldl    -lm
    # Traceback (most recent call last):
    #  File "./setup.py", line 8, in <module>
    #    from platform import machine as platform_machine
    #  File "[..]/build/Lib/platform.py", line 116, in <module>
    #    import sys,string,os,re,subprocess
    #  File "[..]/build/Lib/subprocess.py", line 429, in <module>
    #    import select
    # ImportError: No module named select

    import subprocess

    if sys.platform in ('dos','win32','win16','os2'):
        # XXX Others too ?
        return default
    target = _follow_symlinks(target)
    try:
        proc = subprocess.Popen(['file', target],
                stdout=subprocess.PIPE, stderr=subprocess.STDOUT)

    except (AttributeError,os.error):
        return default
    output = proc.communicate()[0]
    rc = proc.wait()
    if not output or rc:
        return default
    else:
        return output

### Information about the used architecture

# Default values for architecture; non-empty strings override the
# defaults given as parameters 
Example 80
Project: pyblish-win   Author: pyblish   File: asyncore.py    GNU Lesser General Public License v3.0 4 votes vote down vote up
def poll(timeout=0.0, map=None):
    if map is None:
        map = socket_map
    if map:
        r = []; w = []; e = []
        for fd, obj in map.items():
            is_r = obj.readable()
            is_w = obj.writable()
            if is_r:
                r.append(fd)
            # accepting sockets should not be writable
            if is_w and not obj.accepting:
                w.append(fd)
            if is_r or is_w:
                e.append(fd)
        if [] == r == w == e:
            time.sleep(timeout)
            return

        try:
            r, w, e = select.select(r, w, e, timeout)
        except select.error, err:
            if err.args[0] != EINTR:
                raise
            else:
                return

        for fd in r:
            obj = map.get(fd)
            if obj is None:
                continue
            read(obj)

        for fd in w:
            obj = map.get(fd)
            if obj is None:
                continue
            write(obj)

        for fd in e:
            obj = map.get(fd)
            if obj is None:
                continue
            _exception(obj)