rwx

rwx/fs/__init__.py

@@ -0,0 +1,70 @@
+import os
+import shutil
+
+import ps
+
+CHARSET = 'UTF-8'
+
+
+def create_image(file_path: str, size_bytes: int):
+    ps.run(
+        ('qemu-img', 'create'),
+        ('-f', 'qcow2'),
+        (file_path, size_bytes),
+    )
+
+
+def empty_file(path: str):
+    write(path, str())
+
+
+def get_mount_uuid(path: str):
+    return ps.run_line(
+        ('findmnt',),
+        ('--noheadings',),
+        ('--output', 'UUID'),
+        (path,),
+    )
+
+
+def get_path_mount(path: str):
+    return ps.run_line(
+        ('stat',),
+        ('--format', '%m'),
+        (path,),
+    )
+
+
+def get_path_uuid(path: str):
+    return get_mount_uuid(get_path_mount(path))
+
+
+def make_directory(path: str):
+    os.makedirs(path, exist_ok=True)
+
+
+def read_file(file_path: str):
+    with open(file_path, 'br') as file_object:
+        return file_object.read()
+
+
+def read_file_lines(file_path: str, charset=CHARSET):
+    return read_file_text(file_path).split(os.linesep)
+
+
+def read_file_text(file_path: str, charset=CHARSET):
+    return read_file(file_path).decode(charset)
+
+
+def wipe(path: str):
+    try:
+        shutil.rmtree(path)
+    except NotADirectoryError:
+        os.remove(path)
+    except FileNotFoundError:
+        pass
+
+
+def write(file_path: str, text: str, charset=CHARSET):
+    with open(file_path, 'bw') as file_object:
+        file_object.write(text.encode(charset))