fix(manager/pip_setup): support namespaced packages (#19736)

lib/modules/manager/pip_setup/__fixtures__/setup.py

@@ -78,6 +78,7 @@ setup(
         'raven>=5.27.1,<7.0', # pyup: nothing
         'future>=0.15.2,<0.17',
         'ipaddress>=1.0.16,<2.0;python_version<"3.3"',
+        'zope.interface>=5.5.2,<6.0.0',
     ],
     keywords=[
         'talisker',

lib/modules/manager/pip_setup/__snapshots__/extract.spec.ts.snap

@@ -124,6 +124,14 @@ exports[`modules/manager/pip_setup/extract extractPackageFile() returns found de
         "lineNumber": 79,
       },
     },
+    {
+      "currentValue": ">=5.5.2,<6.0.0",
+      "datasource": "pypi",
+      "depName": "zope.interface",
+      "managerData": {
+        "lineNumber": 80,
+      },
+    },
   ],
 }
 `;

lib/modules/manager/pip_setup/extract.spec.ts

@@ -32,6 +32,7 @@ describe('modules/manager/pip_setup/extract', () => {
           { depName: 'raven', currentValue: '>=5.27.1,<7.0' },
           { depName: 'future', currentValue: '>=0.15.2,<0.17' },
           { depName: 'ipaddress', currentValue: '>=1.0.16,<2.0' },
+          { depName: 'zope.interface', currentValue: '>=5.5.2,<6.0.0' },
         ],
       });
     });

lib/modules/manager/pip_setup/extract.ts

@@ -19,7 +19,7 @@ function cleanupNamedGroups(regexSource: string): string {
 
 const rangePattern = cleanupNamedGroups(RANGE_PATTERN);
 const versionPattern = `(?:${rangePattern}(?:\\s*,\\s*${rangePattern})*)`;
-const depNamePattern = '(?:[a-zA-Z][-_a-zA-Z0-9]*[a-zA-Z0-9])';
+const depNamePattern = '(?:[a-zA-Z][-_a-zA-Z0-9\\.]*[a-zA-Z0-9])';
 const depPattern = [
   '^',
   `(?<depName>${depNamePattern})`,