ReadTheDocs上Sphinx构建失败：-T选项不被识别求助

Hey there! Let's figure out why you're hitting this -T option error even though ReadTheDocs is using Sphinx 1.6.5 (which definitely supports -T—it's been around since 1.2). Here are the most likely fixes to try:

1. Check Your ReadTheDocs Build Command Settings #

Head over to your project's ReadTheDocs dashboard, go to Admin > Advanced Settings, and look at the Build Command field:

• If you've manually set a custom command, double-check for typos. For example, make sure it looks like this (adjust paths if needed):

  sphinx-build -T -b html docs/ _build/html
  

• If you're not sure, try clearing the custom command and letting ReadTheDocs use its default build logic—it automatically handles the correct parameters for the Sphinx version it's using.

2. Audit Your docs/conf.py Configuration #

Take a look at your Sphinx config file:

• Are there any lines modifying sys.argv or overriding build parameters? For example, code that adds/removes flags could accidentally break the -T option in the RTD environment.
• Double-check for version-specific conditionals that might be incorrectly disabling flags for Sphinx 1.6.5.

3. Verify Your Project's Dependencies #

If you're using a requirements.txt or pyproject.toml to specify dependencies:

• Make sure you haven't pinned Sphinx to a version older than 1.2. For example, a line like sphinx==1.1.3 would force RTD to install an outdated version that doesn't recognize -T.
• Update your dependency spec to something like sphinx>=1.6.5 to match RTD's environment, or remove the pin entirely to let RTD use its default version.

4. Test Locally to Isolate the Issue #

Install Sphinx 1.6.5 on your local machine and run the same build command RTD uses:

sphinx-build -T -b html docs/ _build/html

• If this fails locally, the problem is in your project's configuration (not RTD). Debug your conf.py or build setup.
• If it works locally, try triggering a fresh build on RTD (sometimes cached environments cause issues) or clearing RTD's build cache via the project settings.

Example Error Context #

error: option -T not recognized

内容的提问来源于stack exchange，提问作者Dylan Klomparens