fix: do not change format of Python version files

__snapshots__/version-py.js

@@ -13,6 +13,6 @@ exports['version.py updateContent updates version in version.py 1'] = `
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.6.0"
+__version__ = '0.6.0'
 
 `

src/updaters/python/setup-cfg.ts

@@ -33,8 +33,8 @@ export class SetupCfg implements Update {
   }
   updateContent(content: string): string {
     return content.replace(
-      /version ?= ?[0-9]+\.[0-9]+\.[0-9](-\w+)?/,
-      `version = ${this.version}`
+      /(version ?= ?)[0-9]+\.[0-9]+\.[0-9](?:-\w+)?/,
+      `$1${this.version}`
     );
   }
 }

src/updaters/python/setup-py.ts

@@ -33,8 +33,8 @@ export class SetupPy implements Update {
   }
   updateContent(content: string): string {
     return content.replace(
-      /version ?= ?["'][0-9]+\.[0-9]+\.[0-9](-\w+)?["']/,
-      `version = "${this.version}"`
+      /(version ?= ?["'])[0-9]+\.[0-9]+\.[0-9](?:-\w+)?(["'])/,
+      `$1${this.version}$2`
     );
   }
 }

src/updaters/python/version-py.ts

@@ -33,8 +33,8 @@ export class VersionPy implements Update {
   }
   updateContent(content: string): string {
     return content.replace(
-      /__version__ ?= ?["'][0-9]+\.[0-9]+\.[0-9](-\w+)?["']/,
-      `__version__ = "${this.version}"`
+      /(__version__ ?= ?["'])[0-9]+\.[0-9]+\.[0-9](?:-\w+)?(["'])/,
+      `$1${this.version}$2`
     );
   }
 }

test/updaters/fixtures/version.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.5.0"
+__version__ = '0.5.0'