bug: Backport 4.27: Update function directory in load request to use /home/site/wwwroot

Azure / azure-functions-python-worker

Python worker for Azure Functions.

MIT License

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Description

For function apps using FWPC > 1 and using blueprints, the second worker does not get the metadata request. In the load request, the worker uses the function directory sent from the host. This works for functions apps without blueprints since the func dir is always /home/site/wwwroot. For blueprints, the function dir is /home/site/wwwroot/. So in the load request, the worker tries to find function_app.py in /home/site/wwwroot/ and it fails indexing. Fix is to always use /home/site/wwwroot for v2 programming model

Fixes #

PR information

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[ ] New Unit tests were added for the changes made and CI is passing.

Quality of Code and Contribution Guidelines

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 31.57%. Comparing base (6a50c07) to head (6c668dd).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## release/4.27.1 #1481 +/- ## =================================================== - Coverage 85.23% 31.57% -53.67% =================================================== Files 35 35 Lines 1998 1986 -12 Branches 378 293 -85 =================================================== - Hits 1703 627 -1076 - Misses 219 1358 +1139 + Partials 76 1 -75 ``` | [Flag](https://app.codecov.io/gh/Azure/azure-functions-python-worker/pull/1481/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Azure) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/Azure/azure-functions-python-worker/pull/1481/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Azure) | `31.57% <100.00%> (-53.62%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Azure#carryforward-flags-in-the-pull-request-comment) to find out more.

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Azure / azure-functions-python-worker