Use more pathlib instead of os (#7589)

* unify path usage

* remove usage of `os` for setup_test

* more os usage

* use mkdir instead

tasks.py

@@ -161,7 +161,7 @@ def yarn(c, cmd, pty: bool = False):
         cmd: Yarn command to run.
         pty (bool, optional): Run an interactive session. Defaults to False.
     """
-    path = localDir().joinpath('src').joinpath('frontend')
+    path = localDir().joinpath('src', 'frontend')
     c.run(f'cd "{path}" && {cmd}', pty=pty)
 
 
@@ -200,14 +200,14 @@ def node_available(versions: bool = False, bypass_yarn: bool = False):
     return ret(yarn_passes and node_version, node_version, yarn_version)
 
 
-def check_file_existance(filename: str, overwrite: bool = False):
+def check_file_existance(filename: Path, overwrite: bool = False):
     """Checks if a file exists and asks the user if it should be overwritten.
 
     Args:
         filename (str): Name of the file to check.
         overwrite (bool, optional): Overwrite the file without asking. Defaults to False.
     """
-    if Path(filename).is_file() and overwrite is False:
+    if filename.is_file() and overwrite is False:
         response = input(
             'Warning: file already exists. Do you want to overwrite? [y/N]: '
         )
@@ -363,7 +363,7 @@ def translate_stats(c):
     except Exception:
         print('WARNING: Translation files could not be compiled:')
 
-    path = Path('src', 'backend', 'InvenTree', 'script', 'translation_stats.py')
+    path = managePyDir().joinpath('script', 'translation_stats.py')
     c.run(f'python3 {path}')
 
 
@@ -584,14 +584,15 @@ def export_records(
     If you want only one file, with permissions, then additionally add argument -i / --include-permissions
     """
     # Get an absolute path to the file
-    if not os.path.isabs(filename):
-        filename = localDir().joinpath(filename).resolve()
+    target = Path(filename)
+    if not target.is_absolute():
+        target = localDir().joinpath(filename).resolve()
 
-    print(f"Exporting database records to file '{filename}'")
+    print(f"Exporting database records to file '{target}'")
 
-    check_file_existance(filename, overwrite)
+    check_file_existance(target, overwrite)
 
-    tmpfile = f'{filename}.tmp'
+    tmpfile = f'{target}.tmp'
 
     excludes = content_excludes(
         allow_tokens=include_tokens,
@@ -630,7 +631,7 @@ def export_records(
             data_out.append(entry)
 
     # Write the processed data to file
-    with open(filename, 'w') as f_out:
+    with open(target, 'w') as f_out:
         f_out.write(json.dumps(data_out, indent=2))
 
     print('Data export completed')
@@ -653,26 +654,27 @@ def import_records(
 ):
     """Import database records from a file."""
     # Get an absolute path to the supplied filename
-    if not os.path.isabs(filename):
-        filename = localDir().joinpath(filename)
+    target = Path(filename)
+    if not target.is_absolute():
+        target = localDir().joinpath(filename)
 
-    if not os.path.exists(filename):
-        print(f"Error: File '{filename}' does not exist")
+    if not target.exists():
+        print(f"Error: File '{target}' does not exist")
         sys.exit(1)
 
     if clear:
         delete_data(c, force=True)
 
-    print(f"Importing database records from '{filename}'")
+    print(f"Importing database records from '{target}'")
 
     # We need to load 'auth' data (users / groups) *first*
     # This is due to the users.owner model, which has a ContentType foreign key
-    authfile = f'{filename}.auth.json'
+    authfile = f'{target}.auth.json'
 
     # Pre-process the data, to remove any "permissions" specified for a user or group
-    datafile = f'{filename}.data.json'
+    datafile = f'{target}.data.json'
 
-    with open(filename, 'r') as f_in:
+    with open(target, 'r') as f_in:
         try:
             data = json.loads(f_in.read())
         except json.JSONDecodeError as exc:
@@ -804,11 +806,10 @@ def gunicorn(c, address='0.0.0.0:8000', workers=None):
 
     Note: This server will not auto-reload in response to code changes.
     """
-    here = os.path.dirname(os.path.abspath(__file__))
-    config_file = os.path.join(here, 'contrib', 'container', 'gunicorn.conf.py')
-    chdir = os.path.join(here, 'src', 'backend', 'InvenTree')
-
-    cmd = f'gunicorn -c {config_file} InvenTree.wsgi -b {address} --chdir {chdir}'
+    config_file = localDir().joinpath('contrib', 'container', 'gunicorn.conf.py')
+    cmd = (
+        f'gunicorn -c {config_file} InvenTree.wsgi -b {address} --chdir {managePyDir()}'
+    )
 
     if workers:
         cmd += f' --workers={workers}'
@@ -985,14 +986,18 @@ def setup_test(c, ignore_update=False, dev=False, path='inventree-demo-dataset')
     if not ignore_update:
         update(c)
 
+    template_dir = localDir().joinpath(path)
+
     # Remove old data directory
-    if os.path.exists(path):
+    if template_dir.exists():
         print('Removing old data ...')
-        c.run(f'rm {path} -r')
+        c.run(f'rm {template_dir} -r')
 
     # Get test data
     print('Cloning demo dataset ...')
-    c.run(f'git clone https://github.com/inventree/demo-dataset {path} -v --depth=1')
+    c.run(
+        f'git clone https://github.com/inventree/demo-dataset {template_dir} -v --depth=1'
+    )
     print('========================================')
 
     # Make sure migrations are done - might have just deleted sqlite database
@@ -1001,11 +1006,11 @@ def setup_test(c, ignore_update=False, dev=False, path='inventree-demo-dataset')
 
     # Load data
     print('Loading database records ...')
-    import_records(c, filename=f'{path}/inventree_data.json', clear=True)
+    import_records(c, filename=template_dir.joinpath('inventree_data.json'), clear=True)
 
     # Copy media files
     print('Copying media files ...')
-    src = Path(path).joinpath('media').resolve()
+    src = template_dir.joinpath('media')
     dst = get_media_dir()
 
     print(f'Copying media files - "{src}" to "{dst}"')
@@ -1030,10 +1035,9 @@ def schema(
     c, filename='schema.yml', overwrite=False, ignore_warnings=False, no_default=False
 ):
     """Export current API schema."""
+    filename = Path(filename).resolve()
     check_file_existance(filename, overwrite)
 
-    filename = os.path.abspath(filename)
-
     print(f"Exporting schema file to '{filename}'")
 
     cmd = f'spectacular --file {filename} --validate --color'
@@ -1055,7 +1059,7 @@ def schema(
 
     manage(c, cmd, pty=True, env=envs)
 
-    assert os.path.exists(filename)
+    assert filename.exists()
 
     print('Schema export completed:', filename)
 
@@ -1227,12 +1231,12 @@ def frontend_download(
         if not extract:
             return
 
-        dest_path = Path(__file__).parent / 'src/backend' / 'InvenTree/web/static/web'
+        dest_path = managePyDir().joinpath('web', 'static', 'web')
 
         # if clean, delete static/web directory
         if clean:
             shutil.rmtree(dest_path, ignore_errors=True)
-            os.makedirs(dest_path)
+            dest_path.mkdir()
             print(f'Cleaned directory: {dest_path}')
 
         # unzip build to static folder