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ensurepip Module¶
The ensurepip module bootstraps the pip package installer into Python installations, ensuring pip is available.
Complexity Reference¶
| Operation | Time | Space | Notes |
|---|---|---|---|
bootstrap() |
O(n) | O(n) | Install pip |
version() |
O(1) | O(1) | Return bundled pip version string |
| Verify | O(1) | O(1) | Check availability |
Bootstrapping pip¶
Ensuring pip is Available¶
import ensurepip
# Bootstrap pip - O(n)
ensurepip.bootstrap()
# Optional arguments (all keyword-only) - O(n)
ensurepip.bootstrap(
upgrade=True, # upgrade bundled pip
default_pip=True, # install pip even if a "pipX" already exists
verbosity=1, # pass through to pip
)
# Or from command line:
# python -m ensurepip
# python -m ensurepip --upgrade