Fix IOError messages, close tf.extractfile() handles, mention .tgz in error messages

Agent-Logs-Url: https://github.com/github/spec-kit/sessions/891dfd6f-0f75-4522-bcd2-8a6fffb2d5f7

Co-authored-by: mnriem <15701806+mnriem@users.noreply.github.com>

Author: Copilot

src/specify_cli/__init__.py

@@ -2645,7 +2645,7 @@ def preset_add(
 
                 if not archive_fmt:
                     console.print("[red]Error:[/red] Could not determine archive format from URL or Content-Type.")
-                    console.print("Ensure the URL points to a .zip or .tar.gz file.")
+                    console.print("Ensure the URL points to a .zip or .tar.gz/.tgz file.")
                     raise typer.Exit(1)
 
                 suffix = ".tar.gz" if archive_fmt == "tar.gz" else ".zip"
@@ -3659,7 +3659,7 @@ def extension_add(
 
                     if not archive_fmt:
                         console.print("[red]Error:[/red] Could not determine archive format from URL or Content-Type.")
-                        console.print("Ensure the URL points to a .zip or .tar.gz file.")
+                        console.print("Ensure the URL points to a .zip or .tar.gz/.tgz file.")
                         raise typer.Exit(1)
 
                     suffix = ".tar.gz" if archive_fmt == "tar.gz" else ".zip"
@@ -4343,14 +4343,16 @@ def extension_update(
                                 m = tf.getmember("extension.yml")
                                 f = tf.extractfile(m)
                                 if f is not None:
-                                    manifest_data = yaml.safe_load(f.read()) or {}
+                                    with f:
+                                        manifest_data = yaml.safe_load(f.read()) or {}
                             except KeyError:
                                 # Look for extension.yml in a single top-level subdirectory
                                 members = [m for m in tf.getmembers() if m.name.endswith("/extension.yml") and m.name.count("/") == 1]
                                 if len(members) == 1:
                                     f = tf.extractfile(members[0])
                                     if f is not None:
-                                        manifest_data = yaml.safe_load(f.read()) or {}
+                                        with f:
+                                            manifest_data = yaml.safe_load(f.read()) or {}
                     else:
                         with zipfile.ZipFile(zip_path, "r") as zf:
                             namelist = zf.namelist()
@@ -4944,7 +4946,8 @@ def _extract_workflow_yml(archive_path: Path, archive_fmt: str) -> bytes:
             try:
                 f = tf.extractfile(tf.getmember("workflow.yml"))
                 if f is not None:
-                    return f.read()
+                    with f:
+                        return f.read()
             except KeyError:
                 pass  # Root-level workflow.yml not found; fall through to subdirectory search below.
             # Look in a single top-level subdirectory.
@@ -4955,7 +4958,8 @@ def _extract_workflow_yml(archive_path: Path, archive_fmt: str) -> bytes:
             if len(candidates) == 1:
                 f = tf.extractfile(candidates[0])
                 if f is not None:
-                    return f.read()
+                    with f:
+                        return f.read()
     else:
         with zipfile.ZipFile(archive_path, "r") as zf:
             namelist = zf.namelist()

src/specify_cli/extensions.py

@@ -2148,13 +2148,13 @@ def download_extension(self, extension_id: str, target_dir: Optional[Path] = Non
         except urllib.error.URLError as e:
             raise ExtensionError(f"Failed to download extension from {download_url}: {e}")
         except IOError as e:
-            raise ExtensionError(f"Failed to save extension archive: {e}")
+            raise ExtensionError(f"Failed to read extension archive from {download_url}: {e}")
 
         # Choose file extension based on detected format.
         if not archive_fmt:
             raise ExtensionError(
                 f"Could not determine archive format for {download_url}. "
-                "Ensure the URL points to a .zip or .tar.gz file."
+                "Ensure the URL points to a .zip or .tar.gz/.tgz file."
             )
         if archive_fmt == "tar.gz":
             archive_filename = f"{extension_id}-{version}.tar.gz"

src/specify_cli/presets.py

@@ -2328,13 +2328,13 @@ def download_pack(
                 f"Failed to download preset from {download_url}: {e}"
             )
         except IOError as e:
-            raise PresetError(f"Failed to save preset archive: {e}")
+            raise PresetError(f"Failed to read preset archive from {download_url}: {e}")
 
         # Choose file extension based on detected format.
         if not archive_fmt:
             raise PresetError(
                 f"Could not determine archive format for {download_url}. "
-                "Ensure the URL points to a .zip or .tar.gz file."
+                "Ensure the URL points to a .zip or .tar.gz/.tgz file."
             )
         if archive_fmt == "tar.gz":
             archive_filename = f"{pack_id}-{version}.tar.gz"