Add connection debugging

Author: kesmit13

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = singlestoredb
-version = 0.7.1
+version = 0.7.2
 description = Interface to the SingleStore database and cluster management APIs
 long_description = file: README.md
 long_description_content_type = text/markdown

singlestoredb/__init__.py

@@ -13,7 +13,7 @@
 
 """
 
-__version__ = '0.7.1'
+__version__ = '0.7.2'
 
 from .config import options, get_option, set_option, describe_option
 from .connection import connect, apilevel, threadsafety, paramstyle

singlestoredb/config.py

@@ -230,3 +230,10 @@
     'Print queries and parameters to stderr.',
     environ='SINGLESTOREDB_DEBUG_QUERIES',
 )
+
+
+register_option(
+    'debug.connection', 'bool', check_bool, False,
+    'Print connection tracing information.',
+    environ='SINGLESTOREDB_DEBUG_CONNECTION',
+)

singlestoredb/mysql/_auth.py

@@ -16,8 +16,10 @@
 from functools import partial
 import hashlib
 
+from ..config import get_option
 
-DEBUG = False
+
+DEBUG = get_option('debug.connection')
 SCRAMBLE_LENGTH = 20
 sha1_new = partial(hashlib.new, 'sha1')
 

singlestoredb/mysql/connection.py

@@ -46,6 +46,7 @@
     LoadLocalPacketWrapper,
 )
 from . import err
+from ..config import get_option
 from ..connection import Connection as BaseConnection
 
 try:
@@ -65,7 +66,7 @@
     # KeyError occurs when there's no entry in OS database for a current user.
     DEFAULT_USER = None
 
-DEBUG = False
+DEBUG = get_option('debug.connection')
 
 TEXT_TYPES = {
     FIELD_TYPE.BIT,

singlestoredb/mysql/protocol.py

@@ -5,13 +5,14 @@
 import sys
 
 from . import err
+from ..config import get_option
 from ..utils.results import Description
 from .charset import MBLENGTH
 from .constants import FIELD_TYPE
 from .constants import SERVER_STATUS
 
 
-DEBUG = False
+DEBUG = get_option('debug.connection')
 
 NULL_COLUMN = 251
 UNSIGNED_CHAR_COLUMN = 251