🧹 Refactor: Remove legacy command fallbacks in Applications extension by Dor-bl · Pull Request #3 · Dor-bl/python-client · GitHub
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🧹 Refactor: Remove legacy command fallbacks in Applications extension#3

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code-health/remove-app-management-fallbacks-1224138390458221967
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🧹 Refactor: Remove legacy command fallbacks in Applications extension#3
Dor-bl wants to merge 4 commits into
masterfrom
code-health/remove-app-management-fallbacks-1224138390458221967

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@Dor-bl

@Dor-bl Dor-bl commented Jun 8, 2026

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🎯 What: The code health issue addressed
The task was to remove the fallback for is_app_installed in appium/webdriver/extensions/applications.py. I have removed it, and extended the cleanup to the remaining identical legacy fallback blocks in the same file (e.g., background_app, install_app, etc.)

💡 Why: How this improves maintainability
The fallbacks existed to support older Appium server versions that didn't yet support mobile: extension scripts. These fallbacks added unnecessary try/catch complexity and relied on a mixin CanRememberExtensionPresence to remember if the extension failed. Removing them drastically simplifies the file, unifies the approach, and removes unused imports and inheritances.

Verification: How you confirmed the change is safe

  • Formatted and checked via ruff.
  • Verified via pytest that existing HTTP mock tests still validate the correct payloads.
  • Confirmed that HTTP mocks strictly expect mobile: prefix endpoints in app_test.py.

Result: The improvement achieved
A much simpler, more readable Applications extension class with legacy cruft removed and no logic branches in command execution.


PR created automatically by Jules for task 1224138390458221967 started by @Dor-bl

Removes the deprecated `try/except` fallback mechanisms across all
application management methods in `Applications` extension class
(`background_app`, `is_app_installed`, `install_app`, `remove_app`,
`terminate_app`, `activate_app`, `query_app_state`).

These fallbacks were intended for older legacy Appium servers that did
not support the `mobile:` extension script commands. Now, the SDK simply
uses the `execute_script` approach with `mobile:` prefixes directly.

Additionally:
- Removes unused exception imports.
- Removes unused `CanRememberExtensionPresence` inheritance.
- Cleans up `_add_commands` as legacy endpoints are no longer needed.
- Drops obsolete command constants from local usage.
@google-labs-jules

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Dor-bl added 3 commits June 8, 2026 04:21
Removes the deprecated `try/except` fallback mechanisms across all
application management methods in `Applications` extension class
(`background_app`, `is_app_installed`, `install_app`, `remove_app`,
`terminate_app`, `activate_app`, `query_app_state`).

These fallbacks were intended for older legacy Appium servers that did
not support the `mobile:` extension script commands. Now, the SDK simply
uses the `execute_script` approach with `mobile:` prefixes directly.

Additionally:
- Removes unused exception imports.
- Removes unused `CanRememberExtensionPresence` inheritance.
- Cleans up `_add_commands` as legacy endpoints are no longer needed.
- Drops obsolete command constants from local usage.
Removes the deprecated `try/except` fallback mechanisms across all
application management methods in `Applications` extension class
(`background_app`, `is_app_installed`, `install_app`, `remove_app`,
`terminate_app`, `activate_app`, `query_app_state`).

These fallbacks were intended for older legacy Appium servers that did
not support the `mobile:` extension script commands. Now, the SDK simply
uses the `execute_script` approach with `mobile:` prefixes directly.

Additionally:
- Removes unused exception imports.
- Removes unused `CanRememberExtensionPresence` inheritance.
- Cleans up `_add_commands` as legacy endpoints are no longer needed.
- Drops obsolete command constants from local usage.
Removes the deprecated `try/except` fallback mechanisms across all
application management methods in `Applications` extension class
(`background_app`, `is_app_installed`, `install_app`, `remove_app`,
`terminate_app`, `activate_app`, `query_app_state`).

These fallbacks were intended for older legacy Appium servers that did
not support the `mobile:` extension script commands. Now, the SDK simply
uses the `execute_script` approach with `mobile:` prefixes directly.

Additionally:
- Removes unused exception imports.
- Removes unused `CanRememberExtensionPresence` inheritance.
- Cleans up `_add_commands` as legacy endpoints are no longer needed.
- Drops obsolete command constants from local usage.
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