def _get_dependencies(self, ireq):
if ireq.editable:
return self.editables[str(ireq.link)]
name, version, extras = as_tuple(ireq)
# Store non-extra dependencies under the empty string
extras += ("",)
dependencies = [dep for extra in extras for dep in self.index[name][version][extra]]
return [InstallRequirement.from_line(dep, constraint=ireq.constraint) for dep in dependencies]
def find_best_match(self, ireq, prereleases=None):
key = key_from_req(ireq.req)
existing_pin = self.existing_pins.get(key)
if existing_pin and ireq_satisfied_by_existing_pin(ireq, existing_pin):
project, version, _ = as_tuple(existing_pin)
return make_install_requirement(project,
version,
ireq.extras,
constraint=ireq.constraint)
else:
return self.repository.find_best_match(ireq, prereleases)
def test_as_tuple(from_line):
ireq = from_line('foo==1.1')
name, version, extras = as_tuple(ireq)
assert name == 'foo'
assert version == '1.1'
assert extras == ()
ireq = from_line('foo[extra1,extra2]==1.1')
name, version, extras = as_tuple(ireq)
assert name == 'foo'
assert version == '1.1'
assert extras == ("extra1", "extra2")
# Non-pinned versions return None as version
non_pinneds = [
'foo==1.*',
'foo~=1.1,<1.5,>1.2',
'foo',
]
for spec in non_pinneds:
ireq = from_line(spec)
assert as_tuple(ireq)[1] is None
def test_as_tuple(from_line):
ireq = from_line('foo==1.1')
name, version, extras = as_tuple(ireq)
assert name == 'foo'
assert version == '1.1'
assert extras == ()
ireq = from_line('foo[extra1,extra2]==1.1')
name, version, extras = as_tuple(ireq)
assert name == 'foo'
assert version == '1.1'
assert extras == ("extra1", "extra2")
# Non-pinned versions aren't accepted
should_be_rejected = [
'foo==1.*',
'foo~=1.1,<1.5,>1.2',
'foo',
]
for spec in should_be_rejected:
ireq = from_line(spec)
with raises(TypeError):
as_tuple(ireq)