Remove cocoapods try/except blocks and update code and tests package-…

…url#143

Reference: package-url#143

Signed-off-by: John M. Horan <[email protected]>

src/packageurl/contrib/purl2url.py

@@ -21,9 +21,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-# Visit https://github.com/package-url/packageurl-python for support and
-# download.
-
 
 from packageurl import PackageURL
 from packageurl.contrib.route import NoRouteAvailable
@@ -76,12 +73,7 @@ def get_download_url(purl):
         return download_url
 
     # Fallback on the `download_url` qualifier when available.
-    purl_data = None
-    try:
-        purl_data = PackageURL.from_string(purl)
-    except Exception as e:
-        print(f"An error occurred in get_download_url(): {e}")
-        return
+    purl_data = PackageURL.from_string(purl)
     return purl_data.qualifiers.get("download_url", None)
 
 
@@ -315,18 +307,9 @@ def build_cocoapods_repo_url(purl):
     """
     Return a CocoaPods repo URL from the `purl` string.
     """
-    purl_data = None
-    name = None
-    try:
-        purl_data = PackageURL.from_string(purl)
-        name = purl_data.name
-    except Exception as e:
-        print(f"An error occurred in build_cocoapods_repo_url(): {e}")
-        return
-
-    if not name:
-        return
-    return f"https://cocoapods.org/pods/{name}"
+    purl_data = PackageURL.from_string(purl)
+    name = purl_data.name
+    return name and f"https://cocoapods.org/pods/{name}"
 
 
 # Download URLs:

tests/contrib/test_purl2url.py

@@ -21,8 +21,6 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-# Visit https://github.com/package-url/packageurl-python for support and
-# download.
 
 import pytest
 
@@ -66,7 +64,6 @@ def test_purl2url_get_repo_url():
         "pkg:golang/gopkg.in/[email protected]": "https://pkg.go.dev/gopkg.in/[email protected]",
         "pkg:cocoapods/[email protected]": "https://cocoapods.org/pods/AFNetworking",
         "pkg:cocoapods/[email protected]": "https://cocoapods.org/pods/MapsIndoors",
-        "pkg:cocoapods/": None,
     }
 
     for purl, url in purls_url.items():
@@ -141,7 +138,6 @@ def test_purl2url_get_inferred_urls():
             "https://pypi.org/project/sortedcontainers/2.4.0/"
         ],
         "pkg:cocoapods/[email protected]": ["https://cocoapods.org/pods/AFNetworking"],
-        "pkg:cocoapods/": [],
         "pkg:composer/psr/[email protected]": ["https://packagist.org/packages/psr/log#1.1.3"],
         "pkg:rubygems/package-name": ["https://rubygems.org/gems/package-name"],
         "pkg:bitbucket/birkenfeld": [],