Implement splitted outputs #23

Whatsapp_Chat_Exporter/utility.py

@@ -4,6 +4,10 @@ from datetime import datetime
 from enum import Enum
 
 
+MAX_SIZE = 4 * 1024 * 1024  # Default 4MB
+ROW_SIZE = 0x300
+
+
 def sanitize_except(html):
     return Markup(sanitize(html, tags=["br"]))
 
@@ -17,28 +21,6 @@ def determine_day(last, current):
         return current
 
 
-# Android Specific
-
-CRYPT14_OFFSETS = (
-    {"iv": 67, "db": 191},
-    {"iv": 67, "db": 190},
-    {"iv": 66, "db": 99},
-    {"iv": 67, "db": 193},
-    {"iv": 67, "db": 194},
-)
-
-
-class Crypt(Enum):
-    CRYPT15 = 15
-    CRYPT14 = 14
-    CRYPT12 = 12
-
-
-def brute_force_offset(max_iv=200, max_db=200):
-    for iv in range(0, max_iv):
-        for db in range(0, max_db):
-            yield iv, iv + 16, db
-
 def check_update():
     import urllib.request
     import json
@@ -70,6 +52,42 @@ def check_update():
                 print("You are using the latest version of WhatsApp Chat Exporter.")
     return 0
 
-# iOS Specific
 
+def rendering(output_file_name, template, name, msgs, contact, w3css, next):
+    with open(output_file_name, "w", encoding="utf-8") as f:
+        f.write(
+            template.render(
+                name=name,
+                msgs=msgs,
+                my_avatar=None,
+                their_avatar=f"WhatsApp/Avatars/{contact}.j",
+                w3css=w3css,
+                next=next
+            )
+        )
+
+
+# Android Specific
+CRYPT14_OFFSETS = (
+    {"iv": 67, "db": 191},
+    {"iv": 67, "db": 190},
+    {"iv": 66, "db": 99},
+    {"iv": 67, "db": 193},
+    {"iv": 67, "db": 194},
+)
+
+
+class Crypt(Enum):
+    CRYPT15 = 15
+    CRYPT14 = 14
+    CRYPT12 = 12
+
+
+def brute_force_offset(max_iv=200, max_db=200):
+    for iv in range(0, max_iv):
+        for db in range(0, max_db):
+            yield iv, iv + 16, db
+
+
+# iOS Specific
 APPLE_TIME = datetime.timestamp(datetime(2001, 1, 1))