def test_diff_should_install(from_line):
installed = [] # empty env
reqs = [from_line('django==1.8')]
to_install, to_uninstall = diff(reqs, installed)
assert {str(x.req) for x in to_install} == {'django==1.8'}
assert to_uninstall == set()
def test_diff_leave_piptools_alone(fake_dist, from_line):
# Suppose an env contains Django, and pip-tools itself (including all of
# its dependencies)
installed = [
fake_dist('django==1.7'),
fake_dist('first==2.0.1'),
fake_dist('pip-tools==1.1.1', [
'click>=4',
'first',
'six',
]),
fake_dist('six==1.9.0'),
fake_dist('click==4.1'),
fake_dist('foobar==0.3.6'),
]
# Then this Django-only requirement should keep pip around (i.e. NOT
# uninstall it), but uninstall first
reqs = [
from_line('django==1.7'),
]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == {'foobar'}
def test_diff_should_do_nothing():
installed = [] # empty env
reqs = [] # no requirements
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == set()
def test_diff_should_install_with_markers(from_line):
installed = []
reqs = [from_line("subprocess32==3.2.7 ; python_version=='2.7'")]
to_install, to_uninstall = diff(reqs, installed)
assert {str(x.req) for x in to_install} == ({'subprocess32==3.2.7'} if sys.version.startswith('2.7') else set())
assert to_uninstall == set()
def test_diff_should_uninstall_with_markers(fake_dist, from_line):
installed = [fake_dist('subprocess32==3.2.7')]
reqs = [from_line("subprocess32==3.2.7 ; python_version=='2.7'")]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == (set() if sys.version.startswith('2.7') else {'subprocess32'})
def test_diff_should_update(fake_dist, from_line):
installed = [fake_dist('django==1.7')]
reqs = [from_line('django==1.8')]
to_install, to_uninstall = diff(reqs, installed)
assert {str(x.req) for x in to_install} == {'django==1.8'}
assert to_uninstall == set()
def test_diff_should_update(fake_dist, from_line):
installed = [fake_dist('django==1.7')]
reqs = [from_line('django==1.8')]
to_install, to_uninstall = diff(reqs, installed)
assert {str(x.req) for x in to_install} == {'django==1.8'}
assert to_uninstall == set()
def test_diff_should_uninstall_with_markers(fake_dist, from_line):
installed = [fake_dist('subprocess32==3.2.7')]
reqs = [from_line("subprocess32==3.2.7 ; python_version=='2.7'")]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == (set() if sys.version.startswith('2.7') else {'subprocess32'})
def test_diff_should_do_nothing():
installed = [] # empty env
reqs = [] # no requirements
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == set()
def test_diff_leave_piptools_alone(fake_dist, from_line):
# Suppose an env contains Django, and pip-tools itself (including all of
# its dependencies)
installed = [
fake_dist('django==1.7'),
fake_dist('first==2.0.1'),
fake_dist('pip-tools==1.1.1', [
'click>=4',
'first',
'six',
]),
fake_dist('six==1.9.0'),
fake_dist('click==4.1'),
fake_dist('foobar==0.3.6'),
]
# Then this Django-only requirement should keep pip around (i.e. NOT
# uninstall it), but uninstall first
reqs = [
from_line('django==1.7'),
]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == {'foobar'}
def test_diff_should_uninstall_with_markers(fake_dist, from_line):
installed = [fake_dist("subprocess32==3.2.7")]
reqs = [from_line("subprocess32==3.2.7 ; python_version=='2.7'")]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == {"subprocess32"}
def test_diff_should_install(from_line):
installed = [] # empty env
reqs = [from_line('django==1.8')]
to_install, to_uninstall = diff(reqs, installed)
assert {str(x.req) for x in to_install} == {'django==1.8'}
assert to_uninstall == set()
def test_diff_should_uninstall(fake_dist):
installed = [fake_dist('django==1.8')]
reqs = []
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == {'django'} # no version spec when uninstalling
def test_diff_should_install_with_markers(from_line):
installed = []
reqs = [from_line("subprocess32==3.2.7 ; python_version=='2.7'")]
to_install, to_uninstall = diff(reqs, installed)
assert {str(x.req) for x in to_install} == ({'subprocess32==3.2.7'} if sys.version.startswith('2.7') else set())
assert to_uninstall == set()
def test_diff_should_uninstall(fake_dist):
installed = [fake_dist('django==1.8')]
reqs = []
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == {'django'} # no version spec when uninstalling
def test_diff_should_not_uninstall(fake_dist):
ignored = ('pip==7.1.0', 'pip-tools==1.1.1', 'pip-review==1.1.1',
'pkg-resources==0.0.0', 'setuptools==34.0.0', 'wheel==0.29.0')
installed = [fake_dist(pkg) for pkg in ignored]
reqs = []
to_uninstall = diff(reqs, installed)[1]
assert to_uninstall == set()
def test_diff_with_matching_url_versions(fake_dist, from_line):
# if URL version is explicitly provided, use it to avoid reinstalling
installed = [fake_dist("example==1.0")]
reqs = [from_line("file:///example.zip#egg=example==1.0")]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == set()
def test_diff_should_not_uninstall(fake_dist):
ignored = ('pip==7.1.0', 'pip-tools==1.1.1', 'pip-review==1.1.1',
'pkg-resources==0.0.0', 'setuptools==34.0.0', 'wheel==0.29.0')
installed = [fake_dist(pkg) for pkg in ignored]
reqs = []
to_uninstall = diff(reqs, installed)[1]
assert to_uninstall == set()
def test_diff_with_matching_url_versions(fake_dist, from_line):
# if URL version is explicitly provided, use it to avoid reinstalling
installed = [fake_dist("example==1.0")]
reqs = [from_line("file:///example.zip#egg=example==1.0")]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == set()
def test_diff_with_no_url_versions(fake_dist, from_line):
# if URL version is not provided, assume the contents have
# changed and reinstall
installed = [fake_dist("example==1.0")]
reqs = [from_line("file:///example.zip#egg=example")]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set(reqs)
assert to_uninstall == {"example"}
def test_diff_with_no_url_versions(fake_dist, from_line):
# if URL version is not provided, assume the contents have
# changed and reinstall
installed = [fake_dist("example==1.0")]
reqs = [from_line("file:///example.zip#egg=example")]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set(reqs)
assert to_uninstall == {"example"}
def test_diff_with_editable(fake_dist, from_editable):
installed = [fake_dist("small-fake-with-deps==0.0.1"), fake_dist("six==1.10.0")]
path_to_package = os.path.join(PACKAGES_PATH, "small_fake_with_deps")
reqs = [from_editable(path_to_package)]
to_install, to_uninstall = diff(reqs, installed)
# FIXME: The editable package is uninstalled and reinstalled, including
# all its dependencies, even if the version numbers match.
assert to_uninstall == {"six", "small-fake-with-deps"}
assert len(to_install) == 1
package = list(to_install)[0]
assert package.editable
assert package.link.url == path_to_url(path_to_package)
def test_diff_leave_packaging_packages_alone(fake_dist, from_line):
# Suppose an env contains Django, and pip itself
installed = [
fake_dist("django==1.7"),
fake_dist("first==2.0.1"),
fake_dist("pip==7.1.0"),
]
# Then this Django-only requirement should keep pip around (i.e. NOT
# uninstall it), but uninstall first
reqs = [from_line("django==1.7")]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == {"first"}
def test_diff_leave_packaging_packages_alone(fake_dist, from_line):
# Suppose an env contains Django, and pip itself
installed = [
fake_dist("django==1.7"),
fake_dist("first==2.0.1"),
fake_dist("pip==7.1.0"),
]
# Then this Django-only requirement should keep pip around (i.e. NOT
# uninstall it), but uninstall first
reqs = [from_line("django==1.7")]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == {"first"}
def test_diff_with_editable(fake_dist, from_editable):
installed = [fake_dist("small-fake-with-deps==0.0.1"), fake_dist("six==1.10.0")]
path_to_package = os.path.join(
os.path.dirname(__file__), "test_data", "small_fake_package"
)
reqs = [from_editable(path_to_package)]
to_install, to_uninstall = diff(reqs, installed)
# FIXME: The editable package is uninstalled and reinstalled, including
# all its dependencies, even if the version numbers match.
assert to_uninstall == {"six", "small-fake-with-deps"}
assert len(to_install) == 1
package = list(to_install)[0]
assert package.editable
assert str(package.link) == _get_file_url(path_to_package)
def main(requirements):
""" Get installed pip packages, compare them to the passed packages `requirements` file,
install missing packages, uninstall packages not needed anymore
"""
install_command = create_command("install")
options, _ = install_command.parse_args([])
session = install_command._build_session(options)
finder = install_command._build_package_finder(options=options,
session=session)
requirements = parse_requirements(requirements,
finder=finder,
session=session)
installed_dists = get_installed_distributions()
to_install, to_uninstall = sync.diff(requirements, installed_dists)
sync.sync(to_install, to_uninstall, verbose=True)
def test_diff_should_not_uninstall(fake_dist):
ignored = (
"pip==7.1.0",
"pip-tools==1.1.1",
"pip-review==1.1.1",
"pkg-resources==0.0.0",
"setuptools==34.0.0",
"wheel==0.29.0",
"python==3.0",
"distribute==0.1",
"wsgiref==0.1",
"argparse==0.1",
)
installed = [fake_dist(pkg) for pkg in ignored]
reqs = []
to_uninstall = diff(reqs, installed)[1]
assert to_uninstall == set()
def test_diff_should_not_uninstall(fake_dist):
ignored = (
"pip==7.1.0",
"pip-tools==1.1.1",
"pip-review==1.1.1",
"pkg-resources==0.0.0",
"setuptools==34.0.0",
"wheel==0.29.0",
"python==3.0",
"distribute==0.1",
"wsgiref==0.1",
"argparse==0.1",
)
installed = [fake_dist(pkg) for pkg in ignored]
reqs = []
to_uninstall = diff(reqs, installed)[1]
assert to_uninstall == set()
def test_diff_with_editable(fake_dist, from_editable):
installed = [
fake_dist('small-fake-with-deps==0.0.1'),
fake_dist('six==1.10.0'),
]
path_to_package = os.path.join(os.path.dirname(__file__), 'fixtures', 'small_fake_package')
reqs = [
from_editable(path_to_package),
]
to_install, to_uninstall = diff(reqs, installed)
# FIXME: The editable package is uninstalled and reinstalled, including all its dependencies,
# even if the version numbers match.
assert to_uninstall == {'six', 'small-fake-with-deps'}
assert len(to_install) == 1
package = list(to_install)[0]
assert package.editable
assert str(package.link) == _get_file_url(path_to_package)
def test_diff_leave_piptools_alone(fake_dist, from_line):
# Suppose an env contains Django, and pip-tools itself (including all of
# its dependencies)
installed = [
fake_dist("django==1.7"),
fake_dist("first==2.0.1"),
fake_dist("pip-tools==1.1.1", ["click>=4", "first", "six"]),
fake_dist("six==1.9.0"),
fake_dist("click==4.1"),
fake_dist("foobar==0.3.6"),
]
# Then this Django-only requirement should keep pip around (i.e. NOT
# uninstall it), but uninstall first
reqs = [from_line("django==1.7")]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == {"foobar"}
def test_diff_with_editable(fake_dist, from_editable):
installed = [
fake_dist('small-fake-with-deps==0.0.1'),
fake_dist('six==1.10.0'),
]
path_to_package = os.path.join(os.path.dirname(__file__), 'test_data', 'small_fake_package')
reqs = [
from_editable(path_to_package),
]
to_install, to_uninstall = diff(reqs, installed)
# FIXME: The editable package is uninstalled and reinstalled, including all its dependencies,
# even if the version numbers match.
assert to_uninstall == {'six', 'small-fake-with-deps'}
assert len(to_install) == 1
package = list(to_install)[0]
assert package.editable
assert str(package.link) == _get_file_url(path_to_package)
def test_diff_leave_piptools_alone(fake_dist, from_line):
# Suppose an env contains Django, and pip-tools itself (including all of
# its dependencies)
installed = [
fake_dist("django==1.7"),
fake_dist("first==2.0.1"),
fake_dist("pip-tools==1.1.1", ["click>=4", "first", "six"]),
fake_dist("six==1.9.0"),
fake_dist("click==4.1"),
fake_dist("foobar==0.3.6"),
]
# Then this Django-only requirement should keep pip around (i.e. NOT
# uninstall it), but uninstall first
reqs = [from_line("django==1.7")]
to_install, to_uninstall = diff(reqs, installed)
assert to_install == set()
assert to_uninstall == {"foobar"}
