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Re-install local candidates unconditionally 

Signed-off-by: Pradyun Gedam <pradyunsg@users.noreply.github.com>
This commit is contained in:
Pradyun Gedam 2020-11-19 15:39:00 +00:00
parent 84382715f0
commit ce46a5e36d
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GPG Key ID: FF99710C4332258E
2 changed files with 46 additions and 2 deletions
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8
src/pip/_internal/resolution/resolvelib/resolver.py
View File

@ -132,15 +132,19 @@ class Resolver(BaseResolver):
# Check if there is already an installation under the same name,
# and set a flag for later stages to uninstall it, if needed.
# * There isn't, good -- no uninstalltion needed.
#
# * There is no existing installation. Nothing to uninstall.
# * The candidate is a local path/file. Always reinstall.
# * The --force-reinstall flag is set. Always reinstall.
# * The installation is different in version or editable-ness, so
# we need to uninstall it to install the new distribution.
# * The installed version is the same as the pending distribution.
# Skip this distrubiton altogether to save work.
# Skip this distribution altogether to save work.
installed_dist = self.factory.get_dist_to_uninstall(candidate)
if installed_dist is None:
ireq.should_reinstall = False
elif candidate.source_link.is_file:
ireq.should_reinstall = True
elif self.factory.force_reinstall:
ireq.should_reinstall = True
elif installed_dist.parsed_version != candidate.version:

40
tests/functional/test_new_resolver.py
View File

@ -1193,3 +1193,43 @@ def test_new_resolver_contraint_on_dep_with_extra(script):
"simple",
)
assert_installed(script, simple="1", dep="1", depx="1")
def test_new_resolver_does_reinstall_local_wheels(script):
archive_path = create_basic_wheel_for_package(
script,
"pkg",
"1.0",
)
script.pip(
"install", "--no-cache-dir", "--no-index",
archive_path,
)
assert_installed(script, pkg="1.0")
result = script.pip(
"install", "--no-cache-dir", "--no-index",
archive_path,
)
assert "Installing collected packages: pkg" in result.stdout, str(result)
assert_installed(script, pkg="1.0")
def test_new_resolver_does_reinstall_local_paths(script):
pkg = create_test_package_with_setup(
script,
name="pkg",
version="1.0"
)
script.pip(
"install", "--no-cache-dir", "--no-index",
pkg,
)
assert_installed(script, pkg="1.0")
result = script.pip(
"install", "--no-cache-dir", "--no-index",
pkg,
)
assert "Installing collected packages: pkg" in result.stdout, str(result)
assert_installed(script, pkg="1.0")