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Issue #19744: improve ensurepip error when ssl is missing

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This commit is contained in:
Nick Coghlan 2013-12-23 23:07:07 +10:00
parent f71cae0a93
commit ae2ee96ad7
4 changed files with 81 additions and 2 deletions
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15
Lib/ensurepip/__init__.py
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@ -14,6 +14,19 @@ _SETUPTOOLS_VERSION = "2.0.1"
_PIP_VERSION = "1.5rc2"
# pip currently requires ssl support, so we try to provide a nicer
# error message when that is missing (http://bugs.python.org/issue19744)
_MISSING_SSL_MESSAGE = ("pip {} requires SSL/TLS".format(_PIP_VERSION))
try:
import ssl
except ImportError:
ssl = None
def _require_ssl_for_pip():
raise RuntimeError(_MISSING_SSL_MESSAGE)
else:
def _require_ssl_for_pip():
pass
_PROJECTS = [
("setuptools", _SETUPTOOLS_VERSION),
("pip", _PIP_VERSION),
@ -57,6 +70,7 @@ def bootstrap(*, root=None, upgrade=False, user=False,
if altinstall and default_pip:
raise ValueError("Cannot use altinstall and default_pip together")
_require_ssl_for_pip()
_clear_pip_environment_variables()
# By default, installing pip and setuptools installs all of the
@ -121,6 +135,7 @@ def _uninstall_helper(*, verbosity=0):
"({!r} installed, {!r} bundled)")
raise RuntimeError(msg.format(pip.__version__, _PIP_VERSION))
_require_ssl_for_pip()
_clear_pip_environment_variables()
# Construct the arguments to be passed to the pip command