#2452: timeout is used for all blocking operations.

Doc/library/ftplib.rst

@@ -40,11 +40,12 @@ The module defines the following items:
 .. class:: FTP([host[, user[, passwd[, acct[, timeout]]]]])
 
    Return a new instance of the :class:`FTP` class.  When *host* is given, the
-   method call ``connect(host)`` is made.  When *user* is given, additionally the
-   method call ``login(user, passwd, acct)`` is made (where *passwd* and *acct*
-   default to the empty string when not given). The optional *timeout* parameter
-   specifies a timeout in seconds for the connection attempt (if is not specified,
-   or passed as None, the global default timeout setting will be used).
+   method call ``connect(host)`` is made.  When *user* is given, additionally
+   the method call ``login(user, passwd, acct)`` is made (where *passwd* and
+   *acct* default to the empty string when not given).  The optional *timeout*
+   parameter specifies a timeout in seconds for blocking operations like the
+   connection attempt (if is not specified, or passed as None, the global
+   default timeout setting will be used).
 
    .. versionchanged:: 2.6
       *timeout* was added.
@@ -125,9 +126,10 @@ followed by ``lines`` for the text version or ``binary`` for the binary version.
    made.
 
    The optional *timeout* parameter specifies a timeout in seconds for the
-   connection attempt. If is not specified, or passed as None, the  object timeout
-   is used (the timeout that you passed when instantiating the class); if the
-   object timeout is also None, the global default timeout  setting will be used.
+   connection attempt. If is not specified, or passed as None, the object
+   timeout is used (the timeout that you passed when instantiating the class);
+   if the object timeout is also None, the global default timeout setting will
+   be used.
 
    .. versionchanged:: 2.6
       *timeout* was added.

Doc/library/httplib.rst

@@ -33,14 +33,14 @@ The module provides the following classes:
 .. class:: HTTPConnection(host[, port[, strict[, timeout]]])
 
    An :class:`HTTPConnection` instance represents one transaction with an HTTP
-   server.  It should be instantiated passing it a host and optional port number.
-   If no port number is passed, the port is extracted from the host string if it
-   has the form ``host:port``, else the default HTTP port (80) is used.  When True,
-   the optional parameter *strict* causes ``BadStatusLine`` to be raised if the
-   status line can't be parsed as a valid HTTP/1.0 or 1.1 status line.  If the
-   optional *timeout* parameter is given, connection attempts will timeout after
-   that many seconds (if it is not given or ``None``, the global default  timeout
-   setting is used).
+   server.  It should be instantiated passing it a host and optional port
+   number.  If no port number is passed, the port is extracted from the host
+   string if it has the form ``host:port``, else the default HTTP port (80) is
+   used.  When True, the optional parameter *strict* causes ``BadStatusLine`` to
+   be raised if the status line can't be parsed as a valid HTTP/1.0 or 1.1
+   status line.  If the optional *timeout* parameter is given, blocking
+   operations (like connection attempts) will timeout after that many seconds
+   (if it is not given or ``None``, the global default timeout setting is used).
 
    For example, the following calls all create instances that connect to the server
    at the same host and port::

Doc/library/smtplib.rst

@@ -19,13 +19,14 @@ Protocol) and :rfc:`1869` (SMTP Service Extensions).
 
 .. class:: SMTP([host[, port[, local_hostname[, timeout]]]])
 
-   A :class:`SMTP` instance encapsulates an SMTP connection.  It has methods that
-   support a full repertoire of SMTP and ESMTP operations. If the optional host and
-   port parameters are given, the SMTP :meth:`connect` method is called with those
-   parameters during initialization.  An :exc:`SMTPConnectError` is raised if the
-   specified host doesn't respond correctly. The optional *timeout* parameter
-   specifies a timeout in seconds for the connection attempt (if not specified, or
-   passed as None, the global default timeout setting will be used).
+   A :class:`SMTP` instance encapsulates an SMTP connection.  It has methods
+   that support a full repertoire of SMTP and ESMTP operations. If the optional
+   host and port parameters are given, the SMTP :meth:`connect` method is called
+   with those parameters during initialization.  An :exc:`SMTPConnectError` is
+   raised if the specified host doesn't respond correctly. The optional
+   *timeout* parameter specifies a timeout in seconds for blocking operations
+   like the connection attempt (if not specified, or passed as None, the global
+   default timeout setting will be used).
 
    For normal use, you should only require the initialization/connect,
    :meth:`sendmail`, and :meth:`quit` methods.  An example is included below.
@@ -38,13 +39,14 @@ Protocol) and :rfc:`1869` (SMTP Service Extensions).
 
    A :class:`SMTP_SSL` instance behaves exactly the same as instances of
    :class:`SMTP`. :class:`SMTP_SSL` should be used for situations where SSL is
-   required from  the beginning of the connection and using :meth:`starttls` is not
-   appropriate. If *host* is not specified, the local host is used. If *port* is
-   omitted, the standard SMTP-over-SSL port (465) is used. *keyfile* and *certfile*
-   are also optional, and can contain a PEM formatted private key and certificate
-   chain file for the SSL connection. The optional *timeout* parameter specifies a
-   timeout in seconds for the connection attempt (if not specified, or passed as
-   None, the global default timeout setting will be used).
+   required from the beginning of the connection and using :meth:`starttls` is
+   not appropriate. If *host* is not specified, the local host is used. If
+   *port* is omitted, the standard SMTP-over-SSL port (465) is used. *keyfile*
+   and *certfile* are also optional, and can contain a PEM formatted private key
+   and certificate chain file for the SSL connection. The optional *timeout*
+   parameter specifies a timeout in seconds for blocking operations like the
+   connection attempt (if not specified, or passed as None, the global default
+   timeout setting will be used).
 
    .. versionchanged:: 2.6
       *timeout* was added.

Doc/library/telnetlib.rst

@@ -27,11 +27,12 @@ Character), EL (Erase Line), GA (Go Ahead), SB (Subnegotiation Begin).
 
    :class:`Telnet` represents a connection to a Telnet server. The instance is
    initially not connected by default; the :meth:`open` method must be used to
-   establish a connection.  Alternatively, the host name and optional port number
-   can be passed to the constructor, to, in which case the connection to the server
-   will be established before the constructor returns. The optional *timeout*
-   parameter specifies a timeout in seconds for the connection attempt (if not
-   specified, or passed as None, the global default timeout setting will be used).
+   establish a connection.  Alternatively, the host name and optional port
+   number can be passed to the constructor, to, in which case the connection to
+   the server will be established before the constructor returns. The optional
+   *timeout* parameter specifies a timeout in seconds for blocking operations
+   like the connection attempt (if not specified, or passed as None, the global
+   default timeout setting will be used).
 
    Do not reopen an already connected instance.
 
@@ -126,8 +127,9 @@ Telnet Objects
 
    Connect to a host. The optional second argument is the port number, which
    defaults to the standard Telnet port (23). The optional *timeout* parameter
-   specifies a timeout in seconds for the connection attempt (if not specified, or
-   passed as None, the global default timeout setting will be used).
+   specifies a timeout in seconds for blocking operations like the connection
+   attempt (if not specified, or passed as None, the global default timeout
+   setting will be used).
 
    Do not try to reopen an already connected instance.
 

Doc/library/urllib2.rst

@@ -26,10 +26,10 @@ The :mod:`urllib2` module defines the following functions:
    :func:`urllib.urlencode` function takes a mapping or sequence of 2-tuples and
    returns a string in this format.
 
-   The optional *timeout* parameter specifies a timeout in seconds for the
-   connection attempt (if not specified, or passed as None, the global default
-   timeout setting will be used). This actually only work for HTTP, HTTPS, FTP and
-   FTPS connections.
+   The optional *timeout* parameter specifies a timeout in seconds for blocking
+   operations like the connection attempt (if not specified, or passed as
+   ``None``, the global default timeout setting will be used).  This actually
+   only works for HTTP, HTTPS, FTP and FTPS connections.
 
    This function returns a file-like object with two additional methods:
 
@@ -407,12 +407,13 @@ OpenerDirector Objects
 .. method:: OpenerDirector.open(url[, data][, timeout])
 
    Open the given *url* (which can be a request object or a string), optionally
-   passing the given *data*. Arguments, return values and exceptions raised are the
-   same as those of :func:`urlopen` (which simply calls the :meth:`open` method on
-   the currently installed global :class:`OpenerDirector`).  The optional *timeout*
-   parameter specifies a timeout in seconds for the connection  attempt (if not
-   specified, or passed as None, the global default timeout  setting will be used;
-   this actually only work for HTTP, HTTPS, FTP and FTPS connections).
+   passing the given *data*. Arguments, return values and exceptions raised are
+   the same as those of :func:`urlopen` (which simply calls the :meth:`open`
+   method on the currently installed global :class:`OpenerDirector`).  The
+   optional *timeout* parameter specifies a timeout in seconds for blocking
+   operations like the connection attempt (if not specified, or passed as
+   ``None``, the global default timeout setting will be used; this actually only
+   works for HTTP, HTTPS, FTP and FTPS connections).
 
    .. versionchanged:: 2.6
       *timeout* was added.