这种方法的思路是使用importlib.util.find_spec()函数来查找指定名称的包,如果返回值不为None则说明包已经安装,否则说明包未安装。 importimportlib.utildefcheck_package_installed(package_name):spec=importlib.util.find_spec(package_name)ifspecisNone:print("Package is not installed.")else:print("Package is ...
importsubprocessdefcheck_and_install_package(package_name):try:# 查询包是否已经安装result=subprocess.run(['pip','show',package_name],capture_output=True,text=True)ifresult.returncode!=0:print(f"Package '{package_name}' is not installed.")install_package(package_name)else:print(f"Package '{p...
To check which version is installed of a givenlibrary, you can use thelibrary.__version__attribute after importing the library (package, module) withimport library. Here’s the code: importmy_library print(my_library.__version__) # x.y.z for your version output Here’s an excerpt from ...
Some of the ports you installed have notes: tcl has the following notes: The Sqlite3 Tc...
conda update anaconda>> 给我一个错误,说 package is not installed in prefix。 我在我的系统上安装了 Python 发行版。我该如何解决这个问题? (base) C:\Users\asukumari>conda info active environment : base active env location : C:\Users\asukumari\AppData\Local\Continuum\anaconda3 ...
The tkinter package (“Tk interface”) is the standard Python interface to the Tk GUI toolkit. Both Tk and tkinter are available on mostUnixplatforms, as well as on Windows systems. (Tk itself is not part of Python; it is maintained at ActiveState.) You can check that tkinter is properl...
Nuitka:WARNING: Using very slow fallback for ordered sets, please install 'orderedset' PyPI package for best Nuitka:WARNING: Python compile time performance. Nuitka:INFO: Starting Python compilation with Nuitka '1.1.8' on Python '3.7' commercial grade 'not installed'. Nuitka:INFO: Completed Pyth...
When we want to update packages in Python. Firstly, we may check the packages that are already installed in it. Check package's version: 1. To check a certain package's version, type the followings inPython terminal import numpy as np ...
Since the azure.functions package isn't immediately available, be sure to install it via your requirements.txt file as described in the package management section above. With my_second_function as an example, the following is a mock test of an HTTP-triggered function: First, create the <...
Pyodide is a Python distribution for the browser and Node.js based on WebAssembly. What is Pyodide? Pyodide is a port of CPython to WebAssembly/Emscripten. Pyodide makes it possible to install and run Python packages in the browser with micropip. Any pure Python package with a wheel available...