From f5e6408195a6688a08de846b69cd8865462d484f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Louis=20V=C3=A9zina?=
 <5130500+morpheus65535@users.noreply.github.com>
Date: Mon, 11 Nov 2019 19:09:40 -0500
Subject: [PATCH] WIP executemany

---
 bazarr/get_languages.py | 12 +++++-------
 libs/sqlite3worker.py   | 23 ++++++++++++++---------
 2 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/bazarr/get_languages.py b/bazarr/get_languages.py
index c6f68e79b..4854a43c3 100644
--- a/bazarr/get_languages.py
+++ b/bazarr/get_languages.py
@@ -11,25 +11,23 @@ from database import database
 
 def load_language_in_db():
     # Get languages list in langs tuple
-    langs = [{'code3': lang.alpha_3, 'code2': lang.alpha_2, 'name': lang.name}
+    langs = [[lang.alpha_3, lang.alpha_2, lang.name]
              for lang in pycountry.languages
              if hasattr(lang, 'alpha_2')]
     
     # Insert languages in database table
-    for lang in langs:
-        database.execute("INSERT OR IGNORE INTO table_settings_languages (code3, code2, name) VALUES (?, ?, ?)",
-                         (lang['code3'], lang['code2'], lang['name']))
+    database.execute("INSERT OR IGNORE INTO table_settings_languages (code3, code2, name) VALUES (?, ?, ?)",
+                     langs, execute_many=True)
 
     database.execute("INSERT OR IGNORE INTO table_settings_languages (code3, code2, name) "
                      "VALUES ('pob', 'pb', 'Brazilian Portuguese')")
 
-    langs = [{'code3b': lang.bibliographic, 'code3': lang.alpha_3}
+    langs = [[lang.bibliographic, lang.alpha_3]
              for lang in pycountry.languages
              if hasattr(lang, 'alpha_2') and hasattr(lang, 'bibliographic')]
     
     # Update languages in database table
-    for lang in langs:
-        database.execute("UPDATE table_settings_languages SET code3b=? WHERE code3=?", (lang['code3b'], lang['code3']))
+    database.execute("UPDATE table_settings_languages SET code3b=? WHERE code3=?", langs, execute_many=True)
 
 
 def language_from_alpha2(lang):
diff --git a/libs/sqlite3worker.py b/libs/sqlite3worker.py
index 989994628..7353190dc 100644
--- a/libs/sqlite3worker.py
+++ b/libs/sqlite3worker.py
@@ -90,11 +90,11 @@ class Sqlite3Worker(threading.Thread):
         """
         LOGGER.debug("run: Thread started")
         execute_count = 0
-        for token, query, values, only_one in iter(self.sql_queue.get, None):
+        for token, query, values, only_one, execute_many in iter(self.sql_queue.get, None):
             LOGGER.debug("sql_queue: %s", self.sql_queue.qsize())
             if token != self.exit_token:
                 LOGGER.debug("run: %s, %s", query, values)
-                self.run_query(token, query, values, only_one)
+                self.run_query(token, query, values, only_one, execute_many)
                 execute_count += 1
                 # Let the executes build up a little before committing to disk
                 # to speed things up.
@@ -112,7 +112,7 @@ class Sqlite3Worker(threading.Thread):
                 self.thread_running = False
                 return
 
-    def run_query(self, token, query, values, only_one):
+    def run_query(self, token, query, values, only_one=False, execute_many=False):
         """Run a query.
 
         Args:
@@ -136,9 +136,14 @@ class Sqlite3Worker(threading.Thread):
                     "Query returned error: %s: %s: %s", query, values, err)
         else:
             try:
-                self.sqlite3_cursor.execute(query, values)
-                if query.lower().strip().startswith(("insert", "update")):
-                    self.results[token] = self.sqlite3_cursor.rowcount
+                if execute_many:
+                    self.sqlite3_cursor.executemany(query, values)
+                    if query.lower().strip().startswith(("insert", "update")):
+                        self.results[token] = self.sqlite3_cursor.rowcount
+                else:
+                    self.sqlite3_cursor.execute(query, values)
+                    if query.lower().strip().startswith(("insert", "update")):
+                        self.results[token] = self.sqlite3_cursor.rowcount
             except sqlite3.Error as err:
                 self.results[token] = (
                         "Query returned error: %s: %s: %s" % (query, values, err))
@@ -181,7 +186,7 @@ class Sqlite3Worker(threading.Thread):
             if delay < 8:
                 delay += delay
 
-    def execute(self, query, values=None, only_one=False):
+    def execute(self, query, values=None, only_one=False, execute_many=False):
         """Execute a query.
 
         Args:
@@ -201,10 +206,10 @@ class Sqlite3Worker(threading.Thread):
         # If it's a select we queue it up with a token to mark the results
         # into the output queue so we know what results are ours.
         if query.lower().strip().startswith(("select", "insert", "update")):
-            self.sql_queue.put((token, query, values, only_one), timeout=5)
+            self.sql_queue.put((token, query, values, only_one, execute_many), timeout=5)
             return self.query_results(token)
         else:
-            self.sql_queue.put((token, query, values, only_one), timeout=5)
+            self.sql_queue.put((token, query, values, only_one, execute_many), timeout=5)
 
 
 def dict_factory(cursor, row):