BUG20736339: Expect multiple include directories from mysql_config

Patch is provided by the bug reporter.

Tests added for regression.

Author: amitab

lib/cpy_distutils.py

@@ -152,21 +152,7 @@ def unix_lib_is64bit(lib_file):
     return False
 
 
-def get_mysql_config_info(mysql_config):
-    """Get MySQL information using mysql_config tool
-
-    Returns a dict.
-    """
-    options = ['cflags', 'include', 'libs', 'libs_r', 'plugindir', 'version']
-
-    cmd = [mysql_config] + [ "--{0}".format(opt) for opt in options ]
-
-    try:
-        proc = Popen(cmd, stdout=PIPE, universal_newlines=True)
-        stdout, _ = proc.communicate()
-    except OSError as exc:
-        raise DistutilsExecError("Failed executing mysql_config: {0}".format(
-            str(exc)))
+def parse_mysql_config_info(options, stdout):
     log.debug("# stdout: {0}".format(stdout))
     info = {}
     for option, line in zip(options, stdout.split('\n')):
@@ -192,7 +178,28 @@ def get_mysql_config_info(mysql_config):
     info['lib_r_dir'] = libs[0].replace('-L', '')
     info['libs_r'] = [ lib.replace('-l', '') for lib in libs[1:] ]
 
-    info['include'] = info['include'].replace('-I', '')
+    info['include'] = [x.strip() for x in info['include'].split('-I')[1:]]
+
+    return info
+
+
+def get_mysql_config_info(mysql_config):
+    """Get MySQL information using mysql_config tool
+
+    Returns a dict.
+    """
+    options = ['cflags', 'include', 'libs', 'libs_r', 'plugindir', 'version']
+
+    cmd = [mysql_config] + [ "--{0}".format(opt) for opt in options ]
+
+    try:
+        proc = Popen(cmd, stdout=PIPE, universal_newlines=True)
+        stdout, _ = proc.communicate()
+    except OSError as exc:
+        raise DistutilsExecError("Failed executing mysql_config: {0}".format(
+            str(exc)))
+
+    info = parse_mysql_config_info(options, stdout)
 
     # Try to figure out the architecture
     info['arch'] = None
@@ -355,7 +362,7 @@ def _finalize_connector_c(self, connc_loc):
                 else:
                     raise OSError("Unsupported platform: %s" % os.name)
 
-                include_dir = os.path.join(connc_loc, 'include')
+                include_dirs = [os.path.join(connc_loc, 'include')]
                 if os.name == 'nt':
                     libraries = ['libmysql']
                 else:
@@ -380,19 +387,20 @@ def _finalize_connector_c(self, connc_loc):
                 log.error(err_version)
                 sys.exit(1)
 
-            include_dir = myc_info['include']
+            include_dirs = myc_info['include']
             libraries = myc_info['libs']
             library_dirs = myc_info['lib_dir']
             self._mysql_config_info = myc_info
             self.arch = self._mysql_config_info['arch']
             connc_64bit = self.arch == 'x86_64'
 
-        if not os.path.exists(include_dir):
-            log.error(err_invalid_loc, connc_loc)
-            sys.exit(1)
+        for include_dir in include_dirs:
+            if not os.path.exists(include_dir):
+                log.error(err_invalid_loc, connc_loc)
+                sys.exit(1)
 
         # Set up the build_ext class
-        self.include_dirs.append(include_dir)
+        self.include_dirs.extend(include_dirs)
         self.libraries.extend(libraries)
         self.library_dirs.append(library_dirs)
 

tests/test_bugs.py

@@ -53,6 +53,7 @@
                              errors, constants, pooling)
 from mysql.connector.optionfiles import read_option_files
 import mysql.connector
+import cpy_distutils
 
 try:
     from mysql.connector.connection_cext import CMySQLConnection
@@ -4404,3 +4405,31 @@ def test_pure_cnx(self):
         del config["connection_timeout"]
         cursor_class = mysql.connector.cursor.MySQLCursorBufferedRaw
         self._long_query(config, cursor_class)
+
+
+class BugOra20736339(tests.MySQLConnectorTests):
+    """BUG#20736339: C EXTENSION FAILS TO COMPILE IF MYSQL_CONFIG RETURN MORE
+    THAN ONE INCLUDE DIR
+    """
+    def test_parse_mysql_config(self):
+        options = ['cflags', 'include', 'libs', 'libs_r', 'plugindir', 'version']
+        includes = ["/mysql/include", "/mysql/another_include"]
+        config = """
+        -I/mysql/include -fabi-version=2 -fno-omit-frame-pointer
+        -I{0}
+        -L/mysql/lib -lmysqlclient -lpthread -lm -lrt -lssl -lcrypto -ldl
+        -L/mysql/lib -lmysqlclient -lpthread -lm -lrt -lssl -lcrypto -ldl
+        /mysql/lib/plugin
+        5.7.17
+        """
+
+        info = cpy_distutils.parse_mysql_config_info(options,
+            config.strip().format(includes[0]))
+        self.assertEqual(1, len(info["include"]))
+        self.assertEqual(includes[0], info["include"][0])
+
+        info = cpy_distutils.parse_mysql_config_info(options,
+            config.strip().format(" -I".join(includes)))
+        self.assertEqual(2, len(info["include"]))
+        self.assertEqual(includes[0], info["include"][0])
+        self.assertEqual(includes[1], info["include"][1])