Python

Online Python Code Editor

Online Python Code Editor

Python Tutorial

uninstall pip:

python -m pip uninstall pip
py.exe -m pip uninstall pip
py.exe -m ensurepip –upgrade

install pip:

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
py.exe get-pip.py

ModuleNotFoundError: No module named ‘scipy’:

pip install scipy

ModuleNotFoundError: No module named ‘pyamg’:

pip install pyamg

ModuleNotFoundError: No module named ‘tqdm’:

pip install tqdm

How to check python installation path

import sys
print(sys.exec_prefix)

py -0p

Typical output:

PS D:\work\python_work> py.exe -0p
  -V:3.11 *        C:\Users\eric\AppData\Local\Programs\Python\Python311\python.exe
  -V:ContinuumAnalytics/Anaconda39-64 C:\Users\eric\miniconda3\python.exe

Check Installed Modules in Python

py.exe -m pip list

Install the classic Jupyter Notebook with:

pip install jupyter

Matplotlib

import os
import shutil

# 获取当前目录
current_directory = os.getcwd()

# 遍历当前目录下的所有子目录
for root, dirs, files in os.walk(current_directory):
    for directory in dirs:
        if directory == "build":
            build_directory = os.path.join(root, directory)
            print(f"Deleting contents of {build_directory}")
            # 删除子目录中的所有内容
            shutil.rmtree(build_directory)

print("Deletion complete")

import os
import shutil

def remove_git_folder(path):
    os.system(f'rd /s /q {path}')

def delete_build_directories(root_dir):
    print(f'root_dir {root_dir}')
    for dirpath, dirnames, filenames in os.walk(root_dir, topdown=False):
        for dirname in dirnames:
            if dirname == 'build':
                print(f'dirpath {dirpath} dirname {dirname}')
                build_dir = os.path.join(dirpath, dirname)
                print(f'build_dir {build_dir}')
                try:
                    shutil.rmtree(build_dir)
                    print(f'Deleted {build_dir}')
                except OSError as e:
                    if e.errno == 13:
                        print(f'Permission denied: {build_dir}')
                        remove_git_folder(build_dir)
                    elif e.errno == 16:
                        print(f'Directory not empty: {build_dir}')
                    else:
                        print(f'Error deleting {build_dir}: {e}')

# 获取当前目录
current_directory = os.getcwd()
modernCMakeDir = r'd:\work\modern_cmake_work\ModernCMake\codes'

print(f"current_directory= {current_directory}")
print(f"modernCMakeDir= {modernCMakeDir}")

# 调用函数并传入要删除目录的根目录
delete_build_directories(modernCMakeDir)
input()