Update main.py

main.py

@@ -1,61 +1,63 @@
 #!/usr/bin/python3
 # -*- coding: utf-8 -*-
 
-hash_chunk_size = 65536
-
 from sys import exit
+from re import search
 from hashlib import md5
-from os.path import getsize
+from os.path import exists, getsize
 from progress.bar import IncrementalBar
 
+hash_chunk_size = 65536
+hash_pattern = r"[a-zA-Z0-9]{32,}" # Паттерн поиска хэш-суммы
+
 
 def check_hash_file(fn):
-    try:
+    if not exists(fn):
-        with open(fn, "r") as f:
+        if search(hash_pattern, fn).group() is not None:
-            fdata = f.read()
+            return fn
-            fdata = fdata.split(" *")
+        print(" ! Hash sum not found")
-            return fdata[0]
-    except FileNotFoundError:
-        return fn
-
-
-def check_file_exists(fn):
-    try:
-        open(fn, "rb").close()
-        return True
-    except FileNotFoundError:
-        print(" ! File not found")
         return False
-    except:
+    with open(fn, "r") as f:
-        print(" ! Unknown error")
+        fdata = f.read()
+        found_hash = search(hash_pattern, fdata).group()
+        if found_hash is not None:
+            # print(" found_hash:", found_hash)
+            return found_hash
+        print(" ! Hash sum not found")
         return False
 
 
 def generate_md5(fn):
-    if check_file_exists(fn):
+    if not exists(fn):
-        hash_md5 = md5()
+        print(" ! File not found")
-        with open(fn, "rb") as f:
+        return False
-            bar = IncrementalBar(" Comparing...", max=int(getsize(fn) / hash_chunk_size), suffix='%(percent)d%%')
+    hash_md5 = md5()
-            for chunk in iter(lambda: f.read(hash_chunk_size), b""):
+    with open(fn, "rb") as f:
-                hash_md5.update(chunk)
+        bar = IncrementalBar(" Generating hash sum...", max=int(getsize(fn) / hash_chunk_size), suffix='%(percent)d%%')
-                bar.next()
+        for chunk in iter(lambda: f.read(hash_chunk_size), b""):
-            bar.finish()
+            hash_md5.update(chunk)
-        return hash_md5.hexdigest()
+            bar.next()
-    return False
+        bar.finish()
+    return hash_md5.hexdigest()
 
 
-def input_files():
+def main():
     file1 = str(input("\n Input first file: "))
-    file2 = str(input(" Input hash sum: "))
+    file2 = str(input(" Input hash sum (or file): "))
+    selected_mode = bool(int(input(" Select compare mode (0 or 1)\n 0 - hash sum; 1 - second file path: ")))
+    # print(" selected_mode:", selected_mode)
     if (file1 != "") and (file2 != ""):
-        print("\n Equals?:", generate_md5(file1) == check_hash_file(file2), "\n")
+        if (selected_mode is False and exists(file2) and not file2.endswith(".txt")) or (selected_mode is True and not exists(file2)):
-    input_files()
+        # if (not exists(file2) and selected_mode is True):
+            print(" ! Selected invalid mode")
+            main()
+        print("\n Equals?:", generate_md5(file1) == (check_hash_file(file2) if selected_mode is False else generate_md5(file2)), "\n")
+    main()
 
 
 if __name__ == '__main__':
     try:
-        input_files()
+        main()
     except KeyboardInterrupt:
         if input("\n Stop comparing? (y/n): ").lower() == "y":
             exit()
-        input_files()