Check for availability of libgen.rs

.envrc

@@ -0,0 +1 @@
+use nix

.gitignore

@@ -0,0 +1 @@
+.direnv

scihub_knapsack.py

@@ -166,14 +166,22 @@ if __name__ == "__main__":
     # If it's a dry run, only print the knapsack's contents. Otherwise,
     # add the knapsack's contents to the qBittorrent instance.
     # When finished, print the number of items and the combined weight of all
-    # items in the knapsack.
+    # items in the knapsack. Before attempting to add items to the qBittorrent
-    if args["--dry-run"]:
+    # instance, check to see if libgen.rs is even working. If libgen.rs is down
+    # no torrents can be added to the qBittorrent instance, so exit with an
+    # notice.
+    if dry_run:
         for torrent in knapsack:
-            print(torrent["name"])
+            print(torrent["link"])
     else:
+        response = requests.get("https://libgen.rs")
+        if not response.ok:
+            exit(
+                "It appears https://libgen.rs is currently down. Please try again later."
+            )
         for torrent in knapsack:
             qb.download_from_link(torrent["link"], category="scihub")
-            print(f"Added {torrent["name"]}")
+            print(f"Added {torrent['name']}")
 
     print("----------------")
     print(f"Count: {len(knapsack)} torrents")

shell.nix

@@ -22,10 +22,15 @@ in pkgs.python312.buildEnv.override rec {
 
   extraLibs = [
     pkgs.python312Packages.beautifulsoup4
+    pkgs.python312Packages.black
     pkgs.python312Packages.bpython
     pkgs.python312Packages.docopt
+    pkgs.python312Packages.isort
+    pkgs.python312Packages.nose
+    pkgs.python312Packages.pytest
     pkgs.python312Packages.requests
     pkgs.python312Packages.rich
+    pyright
     python-qbittorrent
   ];
 }