fix mypy errors

mypy.ini

@@ -0,0 +1,2 @@
+[mypy-inquirer.*]
+ignore_missing_imports = True

src/constants.py

@@ -9,4 +9,4 @@ content_dir = abspath(dirname(dirname(__file__)))
 # must be synced with `setup.py`
 tmp_dir = "/tmp/com.developomp.setup"
 
-home_dir = environ.get("HOME")
+home_dir = environ.get("HOME", "/home/pomp")

src/util.py

@@ -1,6 +1,8 @@
 from importlib.machinery import SourceFileLoader
 from os import system, makedirs, remove
 from os.path import dirname, exists
+from types import ModuleType
+from typing import Optional
 from tqdm.auto import tqdm
 from pathlib import Path
 import requests
@@ -62,7 +64,12 @@ def appimage_install(file_url: str, file_name: str) -> None:
         remove(download_path)
 
     with requests.get(file_url, stream=True) as r:
-        total_length = int(r.headers.get("Content-Length"))
+        total_length = None
+
+        try:
+            total_length = int(r.headers["Content-Length"])
+        except KeyError:
+            pass
 
         # show progress bar
         with tqdm.wrapattr(r.raw, "read", total=total_length, desc="") as raw:
@@ -71,9 +78,8 @@ def appimage_install(file_url: str, file_name: str) -> None:
                 shutil.copyfileobj(raw, output)
 
 
-def get_latest_appimage_url_from_github(repo: str) -> str:
-    return (
-        re.search(
+def get_latest_appimage_url_from_github(repo: str) -> Optional[str]:
+    matches = re.search(
         "(?P<url>https?://[^\s]+)",
         [
             t
@@ -83,10 +89,11 @@ def get_latest_appimage_url_from_github(repo: str) -> str:
             if "browser_download" in t and 'AppImage"' in t
         ][0],
     )
-        .group("url")
-        .split(".AppImage")[0]
-        + ".AppImage"
-    )
+
+    if not matches:
+        return None
+
+    return matches.group("url").split(".AppImage")[0] + ".AppImage"
 
 
 def smart_mkdir(path: str) -> None:
@@ -138,7 +145,7 @@ def copy_file(src_file: str, mode="644", sudo=False) -> None:
     system(command)
 
 
-def copy_directory(src: str, dst: str) -> None:
+def copy_directory(src_path: str, dst_path: str) -> None:
     """Copy a directory.
     Automatically creates parent directory/directories of dst if it does not exist already
 
@@ -147,7 +154,7 @@ def copy_directory(src: str, dst: str) -> None:
         dst: A path-like object or string pointing to a directory.
     """
 
-    system(f"cp -R {src.constants.content_dir}{src} {dst}")
+    system(f"cp -R {src.constants.content_dir}{src_path} {dst_path}")
 
 
 def load_dconf(file_name: str) -> None:
@@ -172,7 +179,7 @@ def unzip(zip_path: str, dst_dir: str) -> None:
         zip_ref.extractall(dst_dir)
 
 
-def import_file(name, path) -> None:
+def import_file(name, path) -> ModuleType:
     return SourceFileLoader(name, path).load_module()