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-rw-r--r--gn3/__init__.py0
-rw-r--r--gn3/file_utils.py20
2 files changed, 20 insertions, 0 deletions
diff --git a/gn3/__init__.py b/gn3/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/gn3/__init__.py
diff --git a/gn3/file_utils.py b/gn3/file_utils.py
new file mode 100644
index 0000000..8e342c9
--- /dev/null
+++ b/gn3/file_utils.py
@@ -0,0 +1,20 @@
+"""Procedures that operate on files/ directories"""
+import hashlib
+import os
+
+from functools import partial
+
+
+def get_dir_hash(directory: str) -> str:
+ """Return the hash of a DIRECTORY"""
+ md5hash = hashlib.md5()
+ if not os.path.exists(directory):
+ raise FileNotFoundError
+ for root, _, files in os.walk(directory):
+ for names in files:
+ file_path = os.path.join(root, names)
+ with open(file_path, "rb") as file_:
+ for buf in iter(partial(file_.read, 4096), b''):
+ md5hash.update(bytearray(hashlib.md5(buf).hexdigest(),
+ "utf-8"))
+ return md5hash.hexdigest()