feat(python): Add support to change version in setup.cfg (#374)

__snapshots__/setup-cfg.js

@@ -0,0 +1,47 @@
+exports['setup.cfg updateContent updates version in setup.cfg 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.
+
+[metadata]
+name = google-crc32c
+version = 0.6.0
+description = A python wrapper of the C library 'Google CRC32C'
+url = https://github.com/googleapis/python-crc32c
+long_description = file: README.md
+long_description_content_type = text/markdown
+author = Google LLC
+author_email = [email protected]
+
+license = Apache 2.0
+platforms = Posix, MacOS X, Windows
+classifiers =
+    Development Status :: 4 - Beta
+    Intended Audience :: Developers
+    License :: OSI Approved :: Apache Software License
+    Operating System :: OS Independent
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    
+[options]
+zip_safe = True
+python_requires = >=3.5
+
+[options.extras_require]
+testing = pytest
+
+
+`

src/releasers/python.ts

@@ -24,6 +24,7 @@ import { Commit } from '../graphql-to-commits';
 import { Changelog } from '../updaters/changelog';
 // Python specific.
 import { SetupPy } from '../updaters/python/setup-py';
+import { SetupCfg } from '../updaters/python/setup-cfg';
 
 export class Python extends ReleasePR {
   protected async _run() {
@@ -72,6 +73,14 @@ export class Python extends ReleasePR {
       })
     );
 
+    updates.push(
+      new SetupCfg({
+        path: 'setup.cfg',
+        changelogEntry,
+        version: candidate.version,
+        packageName: this.packageName,
+      })
+    );
     updates.push(
       new SetupPy({
         path: 'setup.py',

src/updaters/python/setup-cfg.ts

@@ -0,0 +1,40 @@
+// Copyright 2019 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
+//
+//      http://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.
+
+import { Update, UpdateOptions, VersionsMap } from '../update';
+import { GitHubFileContents } from '../../github';
+
+export class SetupCfg implements Update {
+  path: string;
+  changelogEntry: string;
+  version: string;
+  versions?: VersionsMap;
+  packageName: string;
+  create: boolean;
+  contents?: GitHubFileContents;
+
+  constructor(options: UpdateOptions) {
+    this.create = false;
+    this.path = options.path;
+    this.changelogEntry = options.changelogEntry;
+    this.version = options.version;
+    this.packageName = options.packageName;
+  }
+  updateContent(content: string): string {
+    return content.replace(
+      /version ?= ?[0-9]+\.[0-9]+\.[0-9](-\w+)?/,
+      `version = ${this.version}`
+    );
+  }
+}

test/updaters/fixtures/setup.cfg

@@ -0,0 +1,44 @@
+# 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.
+
+[metadata]
+name = google-crc32c
+version = 0.1.0
+description = A python wrapper of the C library 'Google CRC32C'
+url = https://github.com/googleapis/python-crc32c
+long_description = file: README.md
+long_description_content_type = text/markdown
+author = Google LLC
+author_email = [email protected]
+
+license = Apache 2.0
+platforms = Posix, MacOS X, Windows
+classifiers =
+    Development Status :: 4 - Beta
+    Intended Audience :: Developers
+    License :: OSI Approved :: Apache Software License
+    Operating System :: OS Independent
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+
+[options]
+zip_safe = True
+python_requires = >=3.5
+
+[options.extras_require]
+testing = pytest
+

test/updaters/setup-cfg.ts

@@ -0,0 +1,40 @@
+// Copyright 2019 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
+//
+//      http://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.
+
+import { readFileSync } from 'fs';
+import { basename, resolve } from 'path';
+import * as snapshot from 'snap-shot-it';
+
+import { SetupCfg } from '../../src/updaters/python/setup-cfg';
+
+const fixturesPath = './test/updaters/fixtures';
+
+describe('setup.cfg', () => {
+  describe('updateContent', () => {
+    it('updates version in setup.cfg', async () => {
+      const oldContent = readFileSync(
+        resolve(fixturesPath, './setup.cfg'),
+        'utf8'
+      ).replace(/\r\n/g, '\n');
+      const version = new SetupCfg({
+        path: 'setup.cfg',
+        changelogEntry: '',
+        version: '0.6.0',
+        packageName: '',
+      });
+      const newContent = version.updateContent(oldContent);
+      snapshot(newContent);
+    });
+  });
+});