Python源码示例:pip._internal()
示例1
def pip_import_string():
# type: () -> str
import pip
pip_major_version = int(pip.__version__.split('.')[0])
pip_minor_version = int(pip.__version__.split('.')[1])
pip_major_minor = (pip_major_version, pip_minor_version)
# Pip moved its internals to an _internal module in version 10.
# In order to be compatible with version 9 which has it at at the
# top level we need to figure out the correct import path here.
if (9, 0) <= pip_major_minor < (10, 0):
return 'from pip import main'
elif (10, 0) <= pip_major_minor < (19, 3):
# Pip changed their import structure again in 19.3
# https://github.com/pypa/pip/commit/09fd200
return 'from pip._internal import main'
elif (19, 3) <= pip_major_minor < (20, 0):
return 'from pip._internal.main import main'
elif (20, 0) <= pip_major_minor < (21, 0):
# More changes! https://github.com/pypa/pip/issues/7498
return 'from pip._internal.cli.main import main'
raise RuntimeError("Unknown import string for pip version: %s"
% str(pip_major_minor))
示例2
def _run_pip(args, additional_paths=None):
# Add our bundled software to the sys.path so we can import it
if additional_paths is not None:
sys.path = additional_paths + sys.path
# Install the bundled software
import pip._internal
return pip._internal.main(args)
示例3
def install_package(package):
import pip
from pip._internal import main
main.main(['install', package])
示例4
def _run_pip(args, additional_paths=None):
# Add our bundled software to the sys.path so we can import it
if additional_paths is not None:
sys.path = additional_paths + sys.path
# Install the bundled software
import pip._internal
return pip._internal.main(args)
示例5
def _run_pip(args, additional_paths=None):
# Add our bundled software to the sys.path so we can import it
if additional_paths is not None:
sys.path = additional_paths + sys.path
# Install the bundled software
import pip._internal
return pip._internal.main(args)
示例6
def _run_pip(args, additional_paths=None):
# Add our bundled software to the sys.path so we can import it
if additional_paths is not None:
sys.path = additional_paths + sys.path
# Install the bundled software
import pip._internal
return pip._internal.main(args)