infra: import CI fix (#14562)

TIL `**` globstar doesn't work in make

Makefile changes fix that.

`__getattr__` changes allow import of all files, but raise error when
accessing anything from the module.

file deletions were corresponding libs change from #14559

libs/community/Makefile

@@ -15,7 +15,7 @@ tests:
 test_watch:
 	poetry run ptw --snapshot-update --now . -- -vv -x tests/unit_tests
 
-check_imports: langchain_community/**/*.py
+check_imports: $(shell find langchain_community -name '*.py')
 	for f in $^ ; do \
 		python -c "from importlib.machinery import SourceFileLoader; SourceFileLoader('x', '$$f').load_module()" || exit 1; \
 	done

libs/core/Makefile

@@ -15,7 +15,7 @@ tests:
 test_watch:
 	poetry run ptw --snapshot-update --now . -- -vv -x tests/unit_tests
 
-check_imports: langchain_core/**/*.py
+check_imports: $(shell find langchain_core -name '*.py')
 	for f in $^ ; do \
 		python -c "from importlib.machinery import SourceFileLoader; SourceFileLoader('x', '$$f').load_module()" || exit 1; \
 	done

libs/experimental/Makefile

@@ -21,7 +21,7 @@ extended_tests:
 integration_tests:
 	poetry run pytest tests/integration_tests
 
-check_imports: langchain_experimental/**/*.py
+check_imports: $(shell find langchain_experimental -name '*.py')
 	for f in $^ ; do \
 		python -c "from importlib.machinery import SourceFileLoader; SourceFileLoader('x', '$$f').load_module()" || exit 1; \
 	done

libs/langchain/Makefile

@@ -40,7 +40,7 @@ docker_tests:
 	docker build -t my-langchain-image:test .
 	docker run --rm my-langchain-image:test
 
-check_imports: langchain/**/*.py
+check_imports: $(shell find langchain -name '*.py')
 	for f in $^ ; do \
 		python -c "from importlib.machinery import SourceFileLoader; SourceFileLoader('x', '$$f').load_module()" || exit 1; \
 	done

libs/langchain/langchain/chains/llm_bash/__init__.py

@@ -1,4 +1,4 @@
-def raise_on_import() -> None:
+def __getattr__(name: str = "") -> None:
     """Raise an error on import since is deprecated."""
     raise ImportError(
         "This module has been moved to langchain-experimental. "
@@ -7,6 +7,3 @@ def raise_on_import() -> None:
         "`from langchain_experimental.llm_bash.base "
         "import LLMBashChain`"
     )
-
-
-raise_on_import()

libs/langchain/langchain/chains/llm_symbolic_math/__init__.py

@@ -1,4 +1,4 @@
-def raise_on_import() -> None:
+def __getattr__(name: str = "") -> None:
     """Raise an error on import since is deprecated."""
     raise ImportError(
         "This module has been moved to langchain-experimental. "
@@ -7,6 +7,3 @@ def raise_on_import() -> None:
         "`from langchain_experimental.llm_symbolic_math.base "
         "import LLMSymbolicMathChain`"
     )
-
-
-raise_on_import()

libs/langchain/langchain/tools/python/__init__.py

@@ -1,5 +1,7 @@
-def raise_on_import() -> None:
-    """Raise on import letting users know that underlying code is deprecated."""
+from typing import Any
+
+
+def __getattr__(name: str = "") -> Any:
     raise ImportError(
         "This tool has been moved to langchain experiment. "
         "This tool has access to a python REPL. "
@@ -8,6 +10,3 @@ def raise_on_import() -> None:
         "To keep using this code as is, install langchain experimental and "
         "update relevant imports replacing 'langchain' with 'langchain_experimental'"
     )
-
-
-raise_on_import()