Update in time format

preprocessor.py

@@ -1,11 +1,11 @@
 import re
 import pandas as pd
 
-pattern_12 = '\d{1,2}\/\d{1,2}\/\d{2,4},\s\d{1,2}:\d{1,2}\s[a,m,p]+\s-\s'
-pattern_24 = '\d{1,2}\/\d{1,2}\/\d{2,4},\s\d{1,2}:\d{1,2}\s-\s'
-pattern_ph_num = '\d{1,2} \d{5} \d{5}'
 
 def checker(data):
+    pattern_12 = '\d{1,2}\/\d{1,2}\/\d{2,4},\s\d{1,2}:\d{1,2}\s[a,m,p]+\s-\s'
+    pattern_24 = '\d{1,2}\/\d{1,2}\/\d{2,4},\s\d{1,2}:\d{1,2}\s-\s'
+
     check_1 = re.search(pattern_12, data)
     check_2 = re.search(pattern_24, data)
 
@@ -16,6 +16,10 @@ def checker(data):
 
 
 def preprocess(data):
+    pattern_12 = '\d{1,2}\/\d{1,2}\/\d{2,4},\s\d{1,2}:\d{1,2}\s[a,m,p]+\s-\s'
+    pattern_24 = '\d{1,2}\/\d{1,2}\/\d{2,4},\s\d{1,2}:\d{1,2}\s-\s'
+    pattern_ph_num = '\d{1,2} \d{5} \d{5}'
+
     x = re.search(pattern_12, data)
 
     # For 12 hour format
@@ -24,9 +28,12 @@ def preprocess(data):
         dates = re.findall(pattern_12, data)
         df = pd.DataFrame({'user_message': messages, 'message_date': dates})
 
-        df['message_date'] = pd.to_datetime(
-            df['message_date'], format='%d/%m/%y, %I:%M %p - ')
-
+        try:
+            df['message_date'] = pd.to_datetime(
+                df['message_date'], format='%d/%m/%y, %I:%M %p - ')
+        except ValueError:
+            df['message_date'] = pd.to_datetime(
+                df['message_date'], format='%d/%m/%Y, %I:%M %p - ')
 
     else:
         messages = re.split(pattern_24, data)[1:]
@@ -34,10 +41,13 @@ def preprocess(data):
 
         df = pd.DataFrame({'user_message': messages, 'message_date': dates})
 
-        df['message_date'] = pd.to_datetime(
-            df['message_date'], format='%d/%m/%y, %H:%M - ')
+        try:
+            df['message_date'] = pd.to_datetime(
+                df['message_date'], format='%d/%m/%y, %H:%M - ')
+        except ValueError:
+            df['message_date'] = pd.to_datetime(
+                df['message_date'], format='%d/%m/%Y, %H:%M - ')
 
-    
     df.rename(columns={'message_date': 'date'}, inplace=True)
 
     users = []