From 6d5035f0299cc21bd8c1d38a8b025d9a63a99811 Mon Sep 17 00:00:00 2001
From: YuK_Ota <318899+yukota@users.noreply.github.com>
Date: Tue, 30 Mar 2021 22:13:51 +0900
Subject: [PATCH] Fix exception in multithread environment

sqlite cursor can't share different thread context.
For this reason, Posuto does't share cursor by calling Posto()
But, __fetch_code does't use Posto() provide db.

fix #9
---
 posuto/posuto.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/posuto/posuto.py b/posuto/posuto.py
index f1bb5e3..ca5f799 100644
--- a/posuto/posuto.py
+++ b/posuto/posuto.py
@@ -37,7 +37,7 @@ def __exit__(self, exc_type, exc_val, exc_tb):
     def get(self, code):
         return get(code, self._db)
 
-def _fetch_code(code, db=DB):
+def _fetch_code(code, db):
     db.execute("select data from postal_data where code = ?", (code,))
     res = db.fetchone()
     if res:
@@ -72,7 +72,7 @@ def get(code, db=DB):
     are not handled.
     """
     code = re.sub('[- 〒]', '', code)
-    base = dict(_fetch_code(code))
+    base = dict(_fetch_code(code, db))
     # if it's a postal code...
     if 'prefecture_kana' in base:
         # now make it a named tuple