Use of Python Packages¶

Install and uninstall packages.

In [67]:

import subprocess
import sys
subprocess.check_call([sys.executable, "-m", "pip", "install", "polars"])
subprocess.check_call([sys.executable, "-m", "pip", "install", "databpy"])
subprocess.check_call([sys.executable, "-m", "pip", "install", "nodebpy"])

import subprocess import sys subprocess.check_call([sys.executable, "-m", "pip", "install", "polars"]) subprocess.check_call([sys.executable, "-m", "pip", "install", "databpy"]) subprocess.check_call([sys.executable, "-m", "pip", "install", "nodebpy"])

Collecting polars
  Using cached polars-1.41.2-py3-none-any.whl.metadata (10 kB)
Requirement already satisfied: polars-runtime-32==1.41.2 in ./Applications/Blender.app/Contents/Resources/5.2/python/lib/python3.13/site-packages (from polars) (1.41.2)
Using cached polars-1.41.2-py3-none-any.whl (833 kB)
Installing collected packages: polars
Successfully installed polars-1.41.2
Requirement already satisfied: databpy in ./Applications/Blender.app/Contents/Resources/5.2/python/lib/python3.13/site-packages (0.7.0)
Requirement already satisfied: numpy in ./Applications/Blender.app/Contents/Resources/5.2/python/lib/python3.13/site-packages (from databpy) (2.3.4)

[notice] A new release of pip is available: 26.0.1 -> 26.1.2
[notice] To update, run: /Applications/Blender.app/Contents/Resources/5.2/python/bin/python3.13 -m pip install --upgrade pip

[notice] A new release of pip is available: 26.0.1 -> 26.1.2
[notice] To update, run: /Applications/Blender.app/Contents/Resources/5.2/python/bin/python3.13 -m pip install --upgrade pip

Requirement already satisfied: nodebpy in ./Applications/Blender.app/Contents/Resources/5.2/python/lib/python3.13/site-packages (520.5.0)

[notice] A new release of pip is available: 26.0.1 -> 26.1.2
[notice] To update, run: /Applications/Blender.app/Contents/Resources/5.2/python/bin/python3.13 -m pip install --upgrade pip

Out[67]:

0

In [48]:

import subprocess
import sys

# non-interactive uninstall  from Blender’s Python
subprocess.check_call([sys.executable, "-m", "pip", "uninstall", "-y", "polars"])

import subprocess import sys # non-interactive uninstall from Blender’s Python subprocess.check_call([sys.executable, "-m", "pip", "uninstall", "-y", "polars"])

Found existing installation: polars 1.41.2
Uninstalling polars-1.41.2:
  Successfully uninstalled polars-1.41.2

Out[48]:

0

In [50]:

#On MacOS, if uv is installed via homebrew:
import subprocess
command = [
    "UV_PYTHON=python3.11",
    "/opt/homebrew/bin/uv", "pip", "install",
    "--prefix", "/Applications/Blender.app/Contents/Resources/4.3/python/",
    "matplotlib"
]
subprocess.run(" ".join(command), shell=True)

#On MacOS, if uv is installed via homebrew: import subprocess command = [ "UV_PYTHON=python3.11", "/opt/homebrew/bin/uv", "pip", "install", "--prefix", "/Applications/Blender.app/Contents/Resources/4.3/python/", "matplotlib" ] subprocess.run(" ".join(command), shell=True)

Using CPython 3.11.10
Checked 1 package in 1ms

Out[50]:

CompletedProcess(args='UV_PYTHON=python3.11 /opt/homebrew/bin/uv pip install --prefix /Applications/Blender.app/Contents/Resources/4.3/python/ matplotlib', returncode=0)

In [51]:

# version check
import importlib.metadata
print("Databpy version:", importlib.metadata.version("databpy"))

# version check import importlib.metadata print("Databpy version:", importlib.metadata.version("databpy"))

Databpy version: 0.7.0

In [52]:

# version check
import importlib.metadata
print("Nodbpy version:", importlib.metadata.version("nodebpy"))

# version check import importlib.metadata print("Nodbpy version:", importlib.metadata.version("nodebpy"))

Nodbpy version: 520.5.0

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