How to install Python modules in Dynamo Core Runtime 2.8.0?

hello,
here an updated code

image


# More info here
# https://github-wiki-see.page/m/DynamoDS/Dynamo/wiki/Customizing-Dynamo%27s-Python-3-installation
import sys
import clr
import System
import re
print('\n'.join(sys.path))
pyEngineName = sys.implementation.name 

clr.AddReference("System.Windows.Forms")
import System.Windows.Forms
from System.Windows.Forms import MessageBox, MessageBoxButtons, MessageBoxIcon

from System.Reflection import Assembly
dynamo = Assembly.Load('DynamoCore')
dynamo_version = str(dynamo.GetName().Version)
dynamo_version = tuple(int(x) for x in dynamo_version.split("."))
print('dynamo_version', dynamo_version)
init_setup = False
if pyEngineName != "ironpython" and dynamo_version > (2,8,0,0):
    #reDir = System.IO.DirectoryInfo(re.__file__)
    #path_py3_lib = reDir.Parent.Parent.FullName
    clr.AddReference('Python.Included')
    import Python.Included as pyInc
    path_py3_lib = pyInc.Installer.EmbeddedPythonHome
    #sys.path.append(path_py3_lib + r'\Lib\site-packages')
    import platform, os, subprocess, importlib.util
    from System import Environment
    from System.Net import WebClient
    #
    # get paths
    assert os.path.isdir(path_py3_lib)
    pipDirPath = os.path.join(path_py3_lib, 'Scripts')
    pipfilePath = pipDirPath + "\\pip"
    get_pip_path = os.path.join(path_py3_lib, 'get-pip.py')
    site_packagepath = os.path.join(path_py3_lib, 'Lib\site-packages')
    #assert os.path.isdir(site_packagepath), "Error folder  {} not found".format(site_packagepath)
    #
    if not os.path.isfile(get_pip_path):
        client = WebClient()
        client.DownloadFile('https://bootstrap.pypa.io/get-pip.py', get_pip_path)
    filepy_pth = f'python{sys.version_info.major}{sys.version_info.minor}._pth'
    pthFilePath = os.path.join(path_py3_lib, filepy_pth)
    assert os.path.isfile(pthFilePath), "Error file {} not found".format(pthFilePath)
    
    with open(pthFilePath, 'r+') as f:
        lines = f.readlines()
        if re.match(r'#import site', lines[-1]) is not None:
            lines[-1] = re.sub(r'#', '', lines[-1])
            f.writelines(lines)
    
    if not os.path.isdir(pipDirPath):
        #print(f'installing pip in local Python environment: {path_py3_lib}')
        print('installing pip in local Python environment: {}'.format(path_py3_lib))
        subprocess.Popen(["python", get_pip_path])
        # try to update pip
        try:
            #subprocess.run(['python', '-m', pipfilePath, 'install', '--upgrade pip'],  cwd = path_py3_lib)
            subprocess.Popen(["python", '-m', pipfilePath, 'install', '--upgrade pip'],  cwd = path_py3_lib)
        except Exception as ex:
            print(str(ex))
        init_setup = True
        MessageBox.Show("Initialization in Progress...\nWhen installation finished, close Dynamo and relaunch this script to install packages", "Initialization In Progress...", MessageBoxButtons.OK, MessageBoxIcon.Warning)
        raise Exception("close Dynamo and relaunch this script to install packages")
    else: 
        print('pip was already installed for this local Python environment')
        init_setup = False
    #
    installPackages = IN[0]
    if installPackages and not init_setup:
        sys.path.append(site_packagepath)
        for packageName in installPackages:
            spec = importlib.util.find_spec( packageName )
            if spec is None: 
                try:
                    subprocess.run([pipfilePath, 'install', '--target='+ site_packagepath, packageName], cwd = path_py3_lib)
                    print('{} succesfully installed'.format(packageName))
                except Exception as ex:
                    #print(f'error while installing {packageName}')
                    print('error while installing {}'.format(packageName))
                    print(str(ex))
            else:
                #print(f"package {packageName} is already installed")
                print("package {} is already installed".format(packageName))
                
        # check result
        if False:
            import numpy as np
            import pandas as pd
        MessageBox.Show("Python installation and configuration completed successfully!", "Installation Python", MessageBoxButtons.OK, MessageBoxIcon.Information)
    
elif pyEngineName == "ironpython" and dynamo_version > (2,8,0,0):
    MessageBox.Show("Switch to CPython3 then relaunch the script!", "Installation Python", MessageBoxButtons.OK, MessageBoxIcon.Warning)
    
else:
    MessageBox.Show("Python installation and configuration completed successfully!", "Installation Python", MessageBoxButtons.OK, MessageBoxIcon.Information)
12 Likes