Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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tools/python/maps_generator/utils/md5.py

@@ -0,0 +1,31 @@
+import hashlib
+
+
+def md5sum(name, block_size=4096):
+    d = hashlib.md5()
+    with open(name, mode="rb") as f:
+        buf = f.read(block_size)
+        while len(buf) > 0:
+            d.update(buf)
+            buf = f.read(block_size)
+    return d.hexdigest()
+
+
+def write_md5sum(fname, name):
+    with open(name, mode="w") as f:
+        md5 = md5sum(fname)
+        f.write(md5)
+
+
+def check_md5(fname, name):
+    h = md5sum(fname)
+    with open(name, "r") as f:
+        data = f.read()
+        assert len(data) != 0, f"The file {name} is empty"
+        if data.split()[0] == h:
+            return True
+    return False
+
+
+def md5_ext(name):
+    return f"{name}.md5"