+ add CLI command support

* fix inode rename bug
- removed pointless req files

filenuke/__init__.py

@@ -3,13 +3,20 @@
 import sys
 import os
 
-from . import nuke
+try:
+    from . import nuke
+except ImportError:
+    import nuke
 
 if __name__ == "__main__":
     try:
         path_to_del = sys.argv[1]
     except IndexError:
         sys.exit(1)
+    if not os.path.exists(path_to_del):
+        sys.stderr.write(f'Path {path_to_del} does not exist\n')
+        sys.stderr.flush()
+        sys.exit(2)
     if os.path.isfile(path_to_del):
         nuke.clean(path_to_del)
     else:

filenuke/nuke.py

@@ -6,6 +6,8 @@ from typing import NewType
 
 NewPath = NewType('NewPath', str)
 
+DEFAULT_PASSES = 2
+
 
 def _overwrite_file(file_path: str, passes: int, zeros=False):
     """overwrite a single file with secure random data passes times
@@ -20,7 +22,6 @@ def _overwrite_file(file_path: str, passes: int, zeros=False):
 
         with open(file_path, 'wb') as top_secret_file:
             top_secret_file.write(new_data)
-            print('wrote to', file_path)
 
 
 def _rename_inode(path_in: str, zeros=False) -> NewPath:
@@ -28,6 +29,9 @@ def _rename_inode(path_in: str, zeros=False) -> NewPath:
     name_len = len(os.path.basename(path_in))
     new_name = ''
     path = os.path.abspath(path_in)
+    dir_n = os.path.dirname(path_in)
+    if dir_n:
+        dir_n += '/'
 
     if zeros:
         new_name = '0' * name_len
@@ -35,15 +39,15 @@ def _rename_inode(path_in: str, zeros=False) -> NewPath:
         for _ in range(name_len):
             new_name += secrets.choice(string.ascii_letters)
 
-    os.rename(path, new_name)
+    os.rename(path, dir_n + new_name)
 
-    return new_name
+    return dir_n + new_name
 
 
-def _nuke(path: str):
+def _nuke(path: str, passes: int = DEFAULT_PASSES):
     """properly delete inode"""
     if os.path.isfile(path):
-        _overwrite_file(path, 1)
+        _overwrite_file(path, passes)
         new_path = _rename_inode(path)
         os.remove(new_path)
     else:
@@ -51,15 +55,14 @@ def _nuke(path: str):
         shutil.rmtree(new_path)
 
 
-def clean_tree(directory: str):
+def clean_tree(directory: str, passes: int = DEFAULT_PASSES):
     """securely delete dir tree"""
-
     for root, dirs, files in os.walk(directory, topdown=False):
         for name in files:
             _nuke(os.path.join(root, name))
         for name in dirs:
             _nuke(os.path.join(root, name))
-        _nuke(root)
+    _nuke(directory)
 
 
 def clean(path: str):

requirements.txt

@@ -1,6 +0,0 @@
-#
-# This file is autogenerated by pip-compile
-# To update, run:
-#
-#    pip-compile --generate-hashes --output-file=requirements.txt requirements.in
-#