Remove support for building against MySQL Connector/C on Windows

MySQL Connector/C is not longer published since 2017. New builds are always
done against MariaDB Connector/C. Dropping support for the deprecated
MySQL Connector simplifies the Windows build process.

setup_windows.py

@@ -1,89 +1,40 @@
 import os
 import sys
-from distutils.msvccompiler import get_build_version
-
-
-def get_default_connector(client):
-    if client == "mariadbclient":
-        return os.path.join(
-            os.environ["ProgramFiles"], "MariaDB", "MariaDB Connector C"
-        )
-    elif client == "mysqlclient":
-        return os.path.join(
-            os.environ["ProgramFiles"], "MySQL", "MySQL Connector C 6.1"
-        )
-    else:
-        raise ValueError("Unknown client library")
-
-
-def find_library(client, connector=None):
-    if not connector:
-        connector = get_default_connector(client)
-    paths = []
-    if client == "mariadbclient":
-        paths.append(os.path.join(connector, "lib", "mariadb", client + ".lib"))
-        paths.append(os.path.join(connector, "lib", client + ".lib"))
-    elif client == "mysqlclient":
-        vcversion = int(get_build_version())
-        paths.append(os.path.join(connector, "lib", "vs%d" % vcversion))
-    else:
-        raise ValueError("Unknown client library")
-    for path in paths:
-        if os.path.exists(path):
-            return path
-    return None
 
 
 def get_config():
     from setup_common import get_metadata_and_options, create_release_file
 
     metadata, options = get_metadata_and_options()
 
-    client = os.environ.get("MYSQLCLIENT_CLIENT", options.get("client"))
+    client = "mariadbclient"
     connector = os.environ.get("MYSQLCLIENT_CONNECTOR", options.get("connector"))
-
-    if not client:
-        for client in ("mariadbclient", "mysqlclient"):
-            if find_library(client, connector):
-                break
-        else:
-            raise RuntimeError("Couldn't find MySQL or MariaDB Connector")
-
     if not connector:
-        connector = get_default_connector(client)
+        connector = os.path.join(
+            os.environ["ProgramFiles"], "MariaDB", "MariaDB Connector C"
+        )
 
     extra_objects = []
 
-    vcversion = int(get_build_version())
-    if client == "mariadbclient":
-        library_dirs = [
-            os.path.join(connector, "lib", "mariadb"),
-            os.path.join(connector, "lib"),
-        ]
-        libraries = [
-            "kernel32",
-            "advapi32",
-            "wsock32",
-            "shlwapi",
-            "Ws2_32",
-            "crypt32",
-            "secur32",
-            "bcrypt",
-            client,
-        ]
-        include_dirs = [
-            os.path.join(connector, "include", "mariadb"),
-            os.path.join(connector, "include"),
-        ]
-    elif client == "mysqlclient":
-        library_dirs = [
-            os.path.join(connector, r"lib\vs%d" % vcversion),
-            os.path.join(connector, "lib"),
-        ]
-        libraries = ["kernel32", "advapi32", "wsock32", client]
-        include_dirs = [os.path.join(connector, r"include")]
-    else:
-        raise ValueError("Unknown client library")
+    library_dirs = [
+        os.path.join(connector, "lib", "mariadb"),
+        os.path.join(connector, "lib"),
+    ]
+    libraries = [
+        "kernel32",
+        "advapi32",
+        "wsock32",
+        "shlwapi",
+        "Ws2_32",
+        "crypt32",
+        "secur32",
+        "bcrypt",
+        client,
+    ]
+    include_dirs = [
+        os.path.join(connector, "include", "mariadb"),
+        os.path.join(connector, "include"),
+    ]
 
     extra_link_args = ["/MANIFEST"]
 

site.cfg

@@ -9,5 +9,4 @@ static = False
 
 # http://stackoverflow.com/questions/1972259/mysql-python-install-problem-using-virtualenv-windows-pip
 # Windows connector libs for MySQL. You need a 32-bit connector for your 32-bit Python build.
-client =
 connector =