cherrypick commit 755dfdc upstream to allow bind before connect

Related: rhbz#1378008

bz1378008-add-bind-address-option.patch

@@ -0,0 +1,69 @@
+From 755dfdc2e16f2f7f5fa6669cb81d0ec3118ec203 Mon Sep 17 00:00:00 2001
+From: Damien Ciabrini <damien.ciabrini@gmail.com>
+Date: Wed, 16 Nov 2016 13:11:03 +0100
+Subject: [PATCH] Add bind_address option (#529)
+
+Allow connecting to the DB from a specific network interface
+---
+ pymysql/connections.py | 14 ++++++++++++--
+ 1 file changed, 12 insertions(+), 2 deletions(-)
+
+diff --git a/pymysql/connections.py b/pymysql/connections.py
+index d5e39a1..2884cdc 100644
+--- a/pymysql/connections.py
++++ b/pymysql/connections.py
+@@ -534,7 +534,8 @@ class Connection(object):
+                  compress=None, named_pipe=None, no_delay=None,
+                  autocommit=False, db=None, passwd=None, local_infile=False,
+                  max_allowed_packet=16*1024*1024, defer_connect=False,
+-                 auth_plugin_map={}, read_timeout=None, write_timeout=None):
++                 auth_plugin_map={}, read_timeout=None, write_timeout=None,
++                 bind_address=None):
+         """
+         Establish a connection to the MySQL database. Accepts several
+         arguments:
+@@ -544,6 +545,9 @@ class Connection(object):
+         password: Password to use.
+         database: Database to use, None to not use a particular one.
+         port: MySQL port to use, default is usually OK. (default: 3306)
++        bind_address: When the client has multiple network interfaces, specify
++            the interface from which to connect to the host. Argument can be
++            a hostname or an IP address.
+         unix_socket: Optionally, you can use a unix socket rather than TCP/IP.
+         charset: Charset you want to use.
+         sql_mode: Default SQL_MODE to use.
+@@ -632,6 +636,7 @@ class Connection(object):
+             database = _config("database", database)
+             unix_socket = _config("socket", unix_socket)
+             port = int(_config("port", port))
++            bind_address = _config("bind-address", bind_address)
+             charset = _config("default-character-set", charset)
+ 
+         self.host = host or "localhost"
+@@ -640,6 +645,7 @@ class Connection(object):
+         self.password = password or ""
+         self.db = database
+         self.unix_socket = unix_socket
++        self.bind_address = bind_address
+         if read_timeout is not None and read_timeout <= 0:
+             raise ValueError("read_timeout should be >= 0")
+         self._read_timeout = read_timeout
+@@ -884,10 +890,14 @@ class Connection(object):
+                     self.host_info = "Localhost via UNIX socket"
+                     if DEBUG: print('connected using unix_socket')
+                 else:
++                    kwargs = {}
++                    if self.bind_address is not None:
++                        kwargs['source_address'] = (self.bind_address, 0)
+                     while True:
+                         try:
+                             sock = socket.create_connection(
+-                                (self.host, self.port), self.connect_timeout)
++                                (self.host, self.port), self.connect_timeout,
++                                **kwargs)
+                             break
+                         except (OSError, IOError) as e:
+                             if e.errno == errno.EINTR:
+-- 
+2.5.5
+

python-PyMySQL.spec

@@ -5,13 +5,15 @@
 
 Name:           python-%{pypi_name}
 Version:        0.7.9
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Pure-Python MySQL client library
 
 License:        MIT
 URL:            https://pypi.python.org/pypi/%{pypi_name}/
 Source0:        https://pypi.python.org/packages/a4/c4/c15457f261fda9839637de044eca9b6da8f55503183fe887523801b85701/PyMySQL-0.7.9.tar.gz
 
+Patch1:         bz1378008-add-bind-address-option.patch
+
 BuildArch:      noarch
 BuildRequires:  python2-devel
 BuildRequires:  python-setuptools
@@ -49,6 +51,8 @@ and Jython.
 %setup -qn %{pypi_name}-%{version}
 rm -rf %{pypi_name}.egg-info
 
+%patch1 -p1
+
 %build
 %py2_build
 %if 0%{?with_python3}
@@ -89,6 +93,10 @@ done
 %endif
 
 %changelog
+* Wed Nov 23 2016 Damien Ciabrini <dciabrin@redhat.com> - 0.7.9-2
+- cherrypick commit 755dfdc upstream to allow bind before connect
+  Related: rhbz#1378008
+
 * Sun Sep 18 2016 Julien Enselme <jujens@jujens.eu> - 0.7.9-1
 - Update to 0.7.9