fix(python): version updater updates patch versions >= 10 (#1708)

* test: failing test for replacing multicharacter patch version

* fix(python): version updater updates patch versions >= 10

Author: chingor13

__snapshots__/python-file-with-version.js

@@ -8,6 +8,25 @@ __version__ = '0.6.0'
 
 `
 
+exports['version.py updateContent updates long patch versions in version.py 1'] = `
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+__version__ = '0.5.11'
+
+`
+
 exports['version.py updateContent updates version in version.py 1'] = `
 # Copyright 2020 Google LLC
 #

src/updaters/python/python-file-with-version.ts

@@ -25,7 +25,7 @@ export class PythonFileWithVersion extends DefaultUpdater {
    */
   updateContent(content: string): string {
     return content.replace(
-      /(__version__ ?= ?["'])[0-9]+\.[0-9]+\.[0-9](?:-\w+)?(["'])/,
+      /(__version__ ?= ?["'])[0-9]+\.[0-9]+\.[0-9]+(?:-\w+)?(["'])/,
       `$1${this.version}$2`
     );
   }

test/updaters/fixtures/version-with-long-patch.py

@@ -0,0 +1,15 @@
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+__version__ = '0.5.10'

test/updaters/python-file-with-version.ts

@@ -34,6 +34,17 @@ describe('version.py', () => {
       const newContent = version.updateContent(oldContent);
       snapshot(newContent);
     });
+    it('updates long patch versions in version.py', async () => {
+      const oldContent = readFileSync(
+        resolve(fixturesPath, './version-with-long-patch.py'),
+        'utf8'
+      ).replace(/\r\n/g, '\n');
+      const version = new PythonFileWithVersion({
+        version: Version.parse('0.5.11'),
+      });
+      const newContent = version.updateContent(oldContent);
+      snapshot(newContent);
+    });
   });
 });