Coverage for src/zapy/utils/module.py: 98%

1import importlib.util 

2import types 

3from pathlib import Path 

4from typing import Any 

5 

6from zapy.templating.eval import exec_async 

7 

8 

9async def load_python(module_path: str | Path) -> Any: 

10 module_path = Path(module_path) 

11 module_spec = importlib.util.spec_from_file_location(module_path.stem, module_path) 

12 if module_spec is None or module_spec.loader is None: 

13 err_msg = "module spec is none" 

14 raise ValueError(err_msg) 

15 module = importlib.util.module_from_spec(module_spec) 

16 module_spec.loader.exec_module(module) 

17 

18 return module 

19 

20 

21async def load_ipynb(module_path: str | Path, variables: dict[str, Any] | None = None) -> Any: 

22 """from https://jupyter-notebook.readthedocs.io/en/latest/examples/Notebook/Importing%20Notebooks.html""" 

23 from IPython import get_ipython 

24 from IPython.core.interactiveshell import InteractiveShell 

25 from nbformat import read 

26 

27 module_path = Path(module_path) 

28 shell = InteractiveShell.instance() 

29 fullname = module_path.stem 

30 

31 variables = variables or {} 

32 

33 # load the notebook object 

34 with open(module_path, encoding="utf-8") as f: 

35 nb = read(f, 4) 

36 

37 # create the module and add it to sys.modules 

38 mod = types.ModuleType(fullname) 

39 mod.__file__ = str(module_path) 

40 mod.__dict__["get_ipython"] = get_ipython 

41 # apply parameters 

42 for k, v in variables.items(): 

43 mod.__dict__[k] = v 

44 

45 # extra work to ensure that magics that would affect the user_ns 

46 # actually affect the notebook module's ns 

47 save_user_ns = shell.user_ns 

48 shell.user_ns = mod.__dict__ 

49 

50 try: 

51 for cell in nb.cells: 

52 if cell.cell_type == "code": 52 ↛ 51line 52 didn't jump to line 51, because the condition on line 52 was never false

53 # transform the input to executable Python 

54 code = shell.input_transformer_manager.transform_cell(cell.source) 

55 # run the code in the module 

56 await exec_async(code, mod.__dict__) 

57 finally: 

58 shell.user_ns = save_user_ns 

59 return mod