fix: adds logging to langflow run command (#8466)

* Clean up initialiation of uv run langflow run

* sigint fixes

* Log level fixes and gunicorn logs removal

* sqlalch contraints

* Add back banner for windows

* [autofix.ci] apply automated fixes

* handle sigint sigterms

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* handle multiple sigints

* more gracefully handle shutdown during init

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* swallow cancellation during log flush

* fix path import and cleanup

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* start with step logs

* 📝 (main.py): Comment out logger.info statement to prevent unnecessary logging of static files directory setup information.

* 💡 (langflow/__main__.py): Comment out logger.info message for initializing Langflow to reduce noise in logs and improve readability.

* uncomment logs, change to debug

* 📝 (langflow): remove redundant logger info messages in signal handlers and shutdown process
♻️ (langflow): refactor shutdown process to use a progress indicator for better visibility and control
♻️ (langflow): refactor initialization process to remove redundant logger info messages
📝 (langflow): add methods to print shutdown summary and farewell message after shutdown is complete
📝 (langflow): add method to create a progress indicator for shutdown steps
📝 (langflow): add predefined shutdown steps for Langflow shutdown process
📝 (langflow): add method to create a progress indicator with predefined Langflow initialization steps
📝 (langflow): add method to create a progress indicator with predefined Langflow shutdown steps
📝 (langflow): add predefined shutdown steps in reverse order of initialization
📝 (langflow): add predefined initialization steps for Langflow initialization process
📝 (langflow): add method to print a summary of all completed shutdown steps

* 📝 (api/v1/__init__.py): reorganize imports and include_router calls for better readability and maintainability
🔧 (api/v1/__init__.py): update __all__ list to explicitly include all routers for better module encapsulation
💡 (utils.py): add logging statement to indicate building custom components from specified paths

* Fix ordering of operations for windows builds

* use lowercase log levels for uvicorn

* converts log to lower if set from env var

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* use a subprocess for windows so progress step can complete

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* test subprocess for windows

* use subprocess for all architectures

* Clean up global vars and simplify shutdown

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* 📝 (progress.py): add platform check to use different characters and icons based on the operating system for better compatibility and user experience

* 📝 (langflow/__main__.py): use platform-specific characters for icons to prevent encoding issues and improve cross-platform compatibility

* test for windows

* remove print

* move windows blocking call outside of progres step

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* log cleanup and timeout of teardown

* remove seemingly unnecessary redirect

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* ruff

* Add init file to cli dir

* ruff:
:

* unused import

* mypy fixes

* mypy fixes

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* ruff

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* [autofix.ci] apply automated fixes

* Try underscores so ci doesn't remove

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---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: cristhianzl <cristhian.lousa@gmail.com>

pyproject.toml

@@ -215,8 +215,8 @@ nv-ingest = [
 ]
 
 postgresql = [
-  "sqlalchemy[postgresql_psycopg2binary]",
-    "sqlalchemy[postgresql_psycopg]",
+    "sqlalchemy[postgresql_psycopg2binary]>=2.0.38,<3.0.0",
+    "sqlalchemy[postgresql_psycopg]>=2.0.38,<3.0.0",
 ]
 
 [project.scripts]