Update error constants (#113)

* Add CR and ER main methods for updating from connector-c headers
* Sync CR and ER with MySQL/MariaDB connector C 6.1.6/2.3.1

MySQLdb/constants/CR.py

@@ -5,8 +5,35 @@ raises ProgrammingError.
 
 """
 
+if __name__ == "__main__":
+    """
+    Usage: python CR.py [/path/to/mysql/errmsg.h ...] >> CR.py
+    """
+    import fileinput, re
+    data = {}
+    error_last = None
+    for line in fileinput.input():
+        line = re.sub(r'/\*.*?\*/', '', line)
+        m = re.match(r'^\s*#define\s+CR_([A-Z0-9_]+)\s+(\d+)(\s.*|$)', line)
+        if m:
+            name = m.group(1)
+            value = int(m.group(2))
+            if name == 'ERROR_LAST':
+                if error_last is None or error_last < value:
+                    error_last = value
+                continue
+            if value not in data:
+                data[value] = set()
+            data[value].add(name)
+    for value, names in sorted(data.items()):
+        for name in sorted(names):
+            print('%s = %s' % (name, value))
+    if error_last is not None:
+        print('ERROR_LAST = %s' % error_last)
+
+
+ERROR_FIRST = 2000
 MIN_ERROR = 2000
-MAX_ERROR = 2999
 UNKNOWN_ERROR = 2000
 SOCKET_CREATE_ERROR = 2001
 CONNECTION_ERROR = 2002
@@ -28,3 +55,50 @@ NAMEDPIPEOPEN_ERROR = 2017
 NAMEDPIPESETSTATE_ERROR = 2018
 CANT_READ_CHARSET = 2019
 NET_PACKET_TOO_LARGE = 2020
+EMBEDDED_CONNECTION = 2021
+PROBE_SLAVE_STATUS = 2022
+PROBE_SLAVE_HOSTS = 2023
+PROBE_SLAVE_CONNECT = 2024
+PROBE_MASTER_CONNECT = 2025
+SSL_CONNECTION_ERROR = 2026
+MALFORMED_PACKET = 2027
+WRONG_LICENSE = 2028
+NULL_POINTER = 2029
+NO_PREPARE_STMT = 2030
+PARAMS_NOT_BOUND = 2031
+DATA_TRUNCATED = 2032
+NO_PARAMETERS_EXISTS = 2033
+INVALID_PARAMETER_NO = 2034
+INVALID_BUFFER_USE = 2035
+UNSUPPORTED_PARAM_TYPE = 2036
+SHARED_MEMORY_CONNECTION = 2037
+SHARED_MEMORY_CONNECT_REQUEST_ERROR = 2038
+SHARED_MEMORY_CONNECT_ANSWER_ERROR = 2039
+SHARED_MEMORY_CONNECT_FILE_MAP_ERROR = 2040
+SHARED_MEMORY_CONNECT_MAP_ERROR = 2041
+SHARED_MEMORY_FILE_MAP_ERROR = 2042
+SHARED_MEMORY_MAP_ERROR = 2043
+SHARED_MEMORY_EVENT_ERROR = 2044
+SHARED_MEMORY_CONNECT_ABANDONED_ERROR = 2045
+SHARED_MEMORY_CONNECT_SET_ERROR = 2046
+CONN_UNKNOW_PROTOCOL = 2047
+INVALID_CONN_HANDLE = 2048
+SECURE_AUTH = 2049
+UNUSED_1 = 2049
+FETCH_CANCELED = 2050
+NO_DATA = 2051
+NO_STMT_METADATA = 2052
+NO_RESULT_SET = 2053
+NOT_IMPLEMENTED = 2054
+SERVER_LOST_EXTENDED = 2055
+STMT_CLOSED = 2056
+NEW_STMT_METADATA = 2057
+ALREADY_CONNECTED = 2058
+AUTH_PLUGIN_CANNOT_LOAD = 2058
+ALREADY_CONNECTED = 2059
+AUTH_PLUGIN_CANNOT_LOAD = 2059
+DUPLICATE_CONNECTION_ATTR = 2060
+PLUGIN_FUNCTION_NOT_SUPPORTED = 2060
+AUTH_PLUGIN_ERR = 2061
+MAX_ERROR = 2999
+ERROR_LAST = 2061