python-module

问题 If I do this: import lxml in python, lxml.html is not imported. For instance, I cannot call the lxml.html.parse() function. Why is this so? 回答1: Importing a module or package in Python is a conceptually simple operation: Find the .py file corresponding to the import. This involves the Python path and some other machinery, but will result in a specific .py file being found. For every directory level in the import ( import foo.bar.baz has two levels), find the corresponding __init__.py file,

问题 Il posed question, I did not understand the ture cause of the issue (it seems to have been related to my usage of flask in one of the subprocesses). PLEASE IGNORE THIS (can't delete due to bounty) Essentially, I have to start some Processes and or a pool when running a python library as a module. However, since __name__ == '__main__' is always true in __main__.py this proves to be an issue (see multiprocessing docs: https://docs.python.org/3/library/multiprocessing.html) I've attempted

问题 I have a project that is structured as follows: project ├── api │ ├── __init__.py │ └── api.py ├── instance │ ├── __init__.py │ └── config.py ├── package │ ├── __init__.py │ └── app.py ├── requirements.txt └── tests └── __init__.py I am trying to call the config.py file from the package/app.py as shown below: # package/app.py from instance import config # I've also tried import instance.config import ..instance.config from ..instance import config But I always get the following error:

问题 After trying to install 'models' module I get this error: C:\Users\Filip>pip install models Collecting models Using cached https://files.pythonhosted.org/packages/92/3c/ac1ddde60c02b5a46993bd3c6f4c66a9dbc100059da8333178ce17a22db5/models-0.9.3.tar.gz Complete output from command python setup.py egg_info: Traceback (most recent call last): File "<string>", line 1, in <module> File "C:\Users\Filip\AppData\Local\Temp\pip-install-_exhlsc1\models\setup.py", line 25, in <module> import models File

问题 After trying to install 'models' module I get this error: C:\Users\Filip>pip install models Collecting models Using cached https://files.pythonhosted.org/packages/92/3c/ac1ddde60c02b5a46993bd3c6f4c66a9dbc100059da8333178ce17a22db5/models-0.9.3.tar.gz Complete output from command python setup.py egg_info: Traceback (most recent call last): File "<string>", line 1, in <module> File "C:\Users\Filip\AppData\Local\Temp\pip-install-_exhlsc1\models\setup.py", line 25, in <module> import models File

问题 After trying to install 'models' module I get this error: C:\Users\Filip>pip install models Collecting models Using cached https://files.pythonhosted.org/packages/92/3c/ac1ddde60c02b5a46993bd3c6f4c66a9dbc100059da8333178ce17a22db5/models-0.9.3.tar.gz Complete output from command python setup.py egg_info: Traceback (most recent call last): File "<string>", line 1, in <module> File "C:\Users\Filip\AppData\Local\Temp\pip-install-_exhlsc1\models\setup.py", line 25, in <module> import models File

问题 After trying to install 'models' module I get this error: C:\Users\Filip>pip install models Collecting models Using cached https://files.pythonhosted.org/packages/92/3c/ac1ddde60c02b5a46993bd3c6f4c66a9dbc100059da8333178ce17a22db5/models-0.9.3.tar.gz Complete output from command python setup.py egg_info: Traceback (most recent call last): File "<string>", line 1, in <module> File "C:\Users\Filip\AppData\Local\Temp\pip-install-_exhlsc1\models\setup.py", line 25, in <module> import models File

问题 So I want to do this code Kata for practice. I want to implement the kata with tdd in separate files: The algorithm: # stringcalculator.py def Add(string): return 1 and the tests: # stringcalculator.spec.py from stringcalculator import Add import unittest class TestStringCalculator(unittest.TestCase): def add_returns_zero_for_emptyString(self): self.assertEqual(Add(' '), 0) if __name__ == '__main__': unittest.main() When running the testfile, I get: Ran 0 tests in 0.000s OK It should return

问题 If I do this: import lxml in python, lxml.html is not imported. For instance, I cannot call the lxml.html.parse() function. Why is this so? 回答1: Importing a module or package in Python is a conceptually simple operation: Find the .py file corresponding to the import. This involves the Python path and some other machinery, but will result in a specific .py file being found. For every directory level in the import ( import foo.bar.baz has two levels), find the corresponding __init__.py file,

问题 If I do this: import lxml in python, lxml.html is not imported. For instance, I cannot call the lxml.html.parse() function. Why is this so? 回答1: Importing a module or package in Python is a conceptually simple operation: Find the .py file corresponding to the import. This involves the Python path and some other machinery, but will result in a specific .py file being found. For every directory level in the import ( import foo.bar.baz has two levels), find the corresponding __init__.py file,