first workable version

filenuke/__init__.py

@@ -1,8 +1,18 @@
 #!/usr/bin/env python3
 
 import sys
+import os
 
-from . import nuke
+import nuke
 
 if __name__ == "__main__":
-    pass
+    try:
+        path_to_del = sys.argv[1]
+    except IndexError:
+        sys.exit(1)
+    if os.path.isfile(path_to_del):
+        nuke.clean(path_to_del)
+    else:
+        nuke.clean_tree(path_to_del)
+    print(f'Overwrote and deleted {path_to_del}')
+

filenuke/nuke.py

@@ -1,11 +1,12 @@
 import os
-import sys
+import shutil
 import secrets
 import string
 from typing import NewType
 
 NewPath = NewType('NewPath', str)
 
+
 def _overwrite_file(file_path: str, passes: int, zeros=False):
     """overwrite a single file with secure random data passes times
     uses secrets library or zeros is zeros is set to true"""
@@ -19,14 +20,14 @@ 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: str, zeros=False) -> NewPath:
+def _rename_inode(path_in: str, zeros=False) -> NewPath:
     """renames file randomly, or with zeros if zeros is true"""
-    name_len = len(os.path.basename(path))
+    name_len = len(os.path.basename(path_in))
     new_name = ''
-    path = os.path.abspath(path)
-    assert os.path.exists(path)
+    path = os.path.abspath(path_in)
 
     if zeros:
         new_name = '0' * name_len
@@ -34,16 +35,33 @@ def _rename_inode(path: str, zeros=False) -> NewPath:
         for _ in range(name_len):
             new_name += secrets.choice(string.ascii_letters)
 
-    new_path = os.path.dirname(path) + '/' + new_name
-    os.rename(path, new_path)
+    os.rename(path, new_name)
 
-    return new_path
+    return new_name
+
+
+def _nuke(path: str):
+    """properly delete inode"""
+    if os.path.isfile(path):
+        _overwrite_file(path, 1)
+        new_path = _rename_inode(path)
+        os.remove(new_path)
+    else:
+        new_path = _rename_inode(path)
+        shutil.rmtree(new_path)
 
 
 def clean_tree(directory: str):
-    for subdir, dirs, files in os.walk(directory):
-        for file in files:
-            print(os.path.join(subdir, file))
+    """securely delete dir tree"""
 
-def nuke(path: str):
-    os.remove(path)
+    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)
+
+
+def clean(path: str):
+    """securely delete path"""
+    _nuke(path)

setup.py

@@ -8,6 +8,7 @@ setup(name='filenuke',
       url='https://chaoswebs.net/',
       packages=find_packages(exclude=['contrib', 'docs', 'tests']),
       install_requires=[],
+      python_requires='>=3.6',
       classifiers=[
         "Programming Language :: Python :: 3",
         "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",

tests/test.py

@@ -2,6 +2,7 @@ import unittest
 import sys
 import os
 import uuid
+import shutil
 sys.path.append(".")
 import filenuke
 from filenuke import nuke
@@ -15,7 +16,7 @@ class TestErase(unittest.TestCase):
         f = get_file()
         with open(f, "w") as test_f:
             test_f.write('hello world')
-        filenuke.nuke.nuke(f)
+        filenuke.nuke._nuke(f)
         self.assertFalse(os.path.exists(f))
     
     def test_overwrite_single(self):
@@ -23,12 +24,39 @@ class TestErase(unittest.TestCase):
         with open(f, "w") as test_f:
             test_f.write('hello world')
         nuke._overwrite_file(f, 1)
+        with open(f, "rb") as test_f:
+            self.assertNotEqual(test_f.read(), b'hello world')
 
-    def test_rename(self):
+    def test_nuke_single(self):
         f = get_file()
         with open(f, "w") as test_f:
             test_f.write('hello world')
+        nuke._nuke(f)
+        self.assertFalse(os.path.exists(f))
 
+    def test_nuke(self):
+        try:
+            os.mkdir('test')
+        except FileExistsError: pass
+        with open('test/test.txt', 'w') as f:
+            f.write('test')
+        try:
+            os.mkdir('test/test2/')
+        except FileExistsError: pass
+        try:
+            os.mkdir('test/test2/test3/')
+        except FileExistsError: pass
+        with open('test/test2/test-f.txt', 'w') as f:
+            f.write('test')
+        nuke._nuke('test')
+        self.assertFalse(os.path.exists('test/'))
+    
+    def test_rename(self):
+        f = os.path.basename(get_file())
+        with open(f, "w") as test_f:
+            test_f.write('hello world')
+        with open(f, "r") as test_f:
+            self.assertEqual(test_f.read(), 'hello world')   
         new_name = nuke._rename_inode(f)
         self.assertFalse(os.path.exists(f))
         self.assertTrue(os.path.exists(new_name))
@@ -41,11 +69,12 @@ class TestErase(unittest.TestCase):
 
         self.assertEqual(len(os.path.basename(new_name)), len(f))
         self.assertGreater(len(os.path.basename(new_name)), 0)
+
         with open(new_name, "r") as test_f:
             self.assertEqual(test_f.read(), 'hello world')
 
     def test_rename_zeros(self):
-        f = get_file()
+        f = os.path.basename(get_file())
         with open(f, "w") as test_f:
             test_f.write('hello world')
         
@@ -63,4 +92,11 @@ class TestErase(unittest.TestCase):
         with open(new_name, "r") as test_f:
             self.assertEqual(test_f.read(), 'hello world')
 
+try:
+    os.mkdir('testdata')
+except FileExistsError:
+    pass
+os.chdir('testdata')
 unittest.main()
+os.chdir('..')
+shutil.rmtree('testdata')