Workflow: POO and individual tables per types

Mostly for performances reasons.
First one to implement threading later.
Second one to speed up the dichotomy,
but it doesn't seem that much better so far.

feed_dns.py

@@ -3,42 +3,56 @@
 import database
 import argparse
 import sys
-
-FUNCTION_MAP = {
-        b'a': database.feed_a,
-        b'cname': database.feed_cname,
-}
+import logging
 
 if __name__ == '__main__':
 
     # Parsing arguments
+    log = logging.getLogger('feed_dns')
     parser = argparse.ArgumentParser(
         description="TODO")
     parser.add_argument(
-        '-i', '--input', type=argparse.FileType('rb'), default=sys.stdin.buffer,
+        # '-i', '--input', type=argparse.FileType('rb'), default=sys.stdin.buffer,
+        '-i', '--input', type=argparse.FileType('r'), default=sys.stdin,
         help="TODO")
     args = parser.parse_args()
 
-    database.open_db()
+    DB = database.Database()
 
     try:
-        database.time_step('iowait')
-        line: bytes
+        DB.enter_step('iowait')
+        # line: bytes
+        line: str
         for line in args.input:
-            database.time_step('feed_json_parse')
-            split = line.split(b'"')
-            name = split[7]
-            dtype = split[11]
-            value = split[15]
+            DB.enter_step('feed_json_parse')
+            # split = line.split(b'"')
+            split = line.split('"')
+            try:
+                name = split[7]
+                dtype = split[11]
+                value = split[15]
+            except IndexError:
+                log.error("Invalid JSON: %s", line)
+                continue
+            # DB.enter_step('feed_json_assert')
             # data = json.loads(line)
             # assert dtype == data['type']
             # assert name == data['name']
             # assert value == data['value']
-            database.time_step('feed_switch')
-            FUNCTION_MAP[dtype](name, value)
-            database.time_step('iowait')
+
+            DB.enter_step('feed_switch')
+            if dtype == 'a':
+                for rule in DB.get_ip4(value):
+                    DB.set_hostname(name, source=rule)
+            elif dtype == 'cname':
+                for rule in DB.get_domain(value):
+                    DB.set_hostname(name, source=rule)
+            elif dtype == 'ptr':
+                for rule in DB.get_domain(value):
+                    DB.set_ip4address(name, source=rule)
+            DB.enter_step('iowait')
     except KeyboardInterrupt:
-        print("Interupted.")
+        log.warning("Interupted.")
         pass
 
-    database.close_db()
+    DB.close()