Added checking logic for zip file.

Author: ip2location

ChangeLog

@@ -1,3 +1,6 @@
+3.5.2	2025-10-31
+	* Added checking logic for zip file.
+	
 3.5.2	2025-10-17
 	* Fixed the database checking logic. (#9).
 

IP2Proxy.py

@@ -173,11 +173,13 @@ def open(self, filename):
         self._productcode = struct.unpack('B', header_row[29:30])[0]
         self._licensecode = struct.unpack('B', header_row[30:31])[0]
         self._databasesize = struct.unpack('B', header_row[31:32])[0]
-        if (self._productcode != 2) :
-            if (self._dbyear <= 20 and self._productcode == 0) :
-                self._f.close()
-                del self._f
-                raise ValueError("Incorrect IP2Location BIN file format. Please make sure that you are using the latest IP2Location BIN file.")
+        
+        # check if is correct BIN (should be 2 for IP2Proxy BIN file), also checking for zipped file (PK being the first 2 chars)
+        # only BINs from Jan 2021 onwards have _dbcolumn and _dbtype
+        if ((self._productcode != 2 and self._dbyear >= 21) or (self._dbtype == 80 and self._dbcolumn == 75)):
+            self._f.close()
+            del self._f
+            raise ValueError("Incorrect IP2Proxy BIN file format. Please make sure that you are using the latest IP2Proxy BIN file.")
 
     def close(self):
         if hasattr(self, '_f'):

PKG-INFO

@@ -1,6 +1,6 @@
 Metadata-Version: 1.0
 Name: IP2Proxy
-Version: 3.5.2
+Version: 3.6.0
 Summary: Python API for IP2Proxy database
 Home-page: http://www.ip2location.com
 Author: IP2Location

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="IP2Proxy",
-    version="3.5.2", 
+    version="3.6.0", 
     author="IP2Location",
     author_email="[email protected]",
     description="Python API for IP2Proxy database. It can be used to query an IP address if it was being used as open proxy, web proxy, VPN anonymizer and TOR exits.",