def _resolve_and_link(config,
requirement,
target_link,
installer_provider,
logger=print):
if os.path.exists(target_link) and os.path.exists(
os.path.realpath(target_link)):
egg = EggPackage(os.path.realpath(target_link))
if egg.satisfies(requirement):
return egg
fetchers = fetchers_from_config(config)
crawler = crawler_from_config(config)
obtainer = Obtainer(crawler, fetchers, [])
obtainer_iterator = obtainer.iter(requirement)
links = [
link for link in obtainer_iterator if isinstance(link, SourcePackage)
]
for link in links:
logger(' fetching %s' % link.url)
sdist = link.fetch()
logger(' installing %s' % sdist)
installer = installer_provider(sdist)
dist_location = installer.bdist()
target_location = os.path.join(os.path.dirname(target_link),
os.path.basename(dist_location))
shutil.move(dist_location, target_location)
_safe_link(target_location, target_link)
logger(' installed %s' % target_location)
return EggPackage(target_location)
def test_href_translation():
VERSIONS = ['0.4.0', '0.4.1', '0.5.0', '0.6.0']
def fake_link(version):
return 'http://www.example.com/foo/bar/psutil-%s.tar.gz' % version
fc = FakeCrawler([fake_link(v) for v in VERSIONS])
ob = Obtainer(fc, [], [])
for v in VERSIONS:
pkgs = list(ob.iter(Requirement.parse('psutil==%s' % v)))
assert len(pkgs) == 1, 'Version: %s' % v
assert pkgs[0] == SourcePackage(fake_link(v))
assert list(ob.iter(Requirement.parse('psutil>=0.5.0'))) == [
SourcePackage(fake_link('0.6.0')),
SourcePackage(fake_link('0.5.0'))]
assert list(ob.iter(Requirement.parse('psutil'))) == [
SourcePackage(fake_link(v)) for v in reversed(VERSIONS)]
def _resolve_and_link(config, requirement, target_link, installer_provider, logger=print):
if os.path.exists(target_link) and os.path.exists(os.path.realpath(target_link)):
egg = EggPackage(os.path.realpath(target_link))
if egg.satisfies(requirement):
return egg
fetchers = fetchers_from_config(config)
crawler = crawler_from_config(config)
obtainer = Obtainer(crawler, fetchers, [])
obtainer_iterator = obtainer.iter(requirement)
links = [link for link in obtainer_iterator if isinstance(link, SourcePackage)]
for link in links:
logger(' fetching %s' % link.url)
sdist = link.fetch()
logger(' installing %s' % sdist)
installer = installer_provider(sdist)
dist_location = installer.bdist()
target_location = os.path.join(os.path.dirname(target_link), os.path.basename(dist_location))
shutil.move(dist_location, target_location)
_safe_link(target_location, target_link)
logger(' installed %s' % target_location)
return EggPackage(target_location)
def test_package_precedence():
source = SourcePackage('psutil-0.6.1.tar.gz')
egg = EggPackage('psutil-0.6.1-py2.6.egg')
whl = WheelPackage('psutil-0.6.1-cp26-none-macosx_10_4_x86_64.whl')
# default precedence
assert Obtainer.package_precedence(whl) > Obtainer.package_precedence(egg)
assert Obtainer.package_precedence(egg) > Obtainer.package_precedence(source)
assert Obtainer.package_precedence(whl) > Obtainer.package_precedence(source)
# overridden precedence
PRECEDENCE = (EggPackage, WheelPackage)
assert Obtainer.package_precedence(source, PRECEDENCE) == (source.version, -1) # unknown rank
assert Obtainer.package_precedence(whl, PRECEDENCE) > Obtainer.package_precedence(
source, PRECEDENCE)
assert Obtainer.package_precedence(egg, PRECEDENCE) > Obtainer.package_precedence(
whl, PRECEDENCE)
