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 _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_iter_ordering():
pi = PythonInterpreter.get()
tgz = SourcePackage('psutil-0.6.1.tar.gz')
egg = EggPackage('psutil-0.6.1-py%s-%s.egg' %
(pi.python, get_build_platform()))
whl = WheelPackage(
'psutil-0.6.1-cp%s-none-%s.whl' %
(pi.python.replace('.', ''), get_build_platform().replace(
'-', '_').replace('.', '_').lower()))
req = Requirement.parse('psutil')
assert list(FakeObtainer([tgz, egg, whl]).iter(req)) == [whl, egg, tgz]
assert list(FakeObtainer([egg, tgz, whl]).iter(req)) == [whl, egg, tgz]
def test_egg_packages():
el = EggPackage('psutil-0.4.1-py2.6-macosx-10.7-intel.egg')
assert el.name == 'psutil'
assert el.raw_version == '0.4.1'
assert el.py_version == '2.6'
assert el.platform == 'macosx-10.7-intel'
for req in ('psutil', 'psutil>0.4', 'psutil==0.4.1', 'psutil>0.4.0,<0.4.2'):
assert el.satisfies(req)
for req in ('foo', 'bar==0.4.1'):
assert not el.satisfies(req)
el = EggPackage('pytz-2012b-py2.6.egg')
assert el.name == 'pytz'
assert el.raw_version == '2012b'
assert el.py_version == '2.6'
assert el.platform is None
# Eggs must have their own version and a python version.
with pytest.raises(EggPackage.InvalidLink):
EggPackage('bar.egg')
with pytest.raises(EggPackage.InvalidLink):
EggPackage('bar-1.egg')
with pytest.raises(EggPackage.InvalidLink):
EggPackage('bar-py2.6.egg')
dateutil = 'python_dateutil-1.5-py2.6.egg'
with create_layout([dateutil]) as td:
el = EggPackage('file://' + os.path.join(td, dateutil), opener=Web())
with temporary_dir() as td2:
# local file fetch w/o location will always remain same
loc1 = el.fetch()
assert loc1 == os.path.join(td, dateutil)
el.fetch(location=td2)
assert os.listdir(td2) == [dateutil]
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)
def test_egg_packages():
el = EggPackage('psutil-0.4.1-py2.6-macosx-10.7-intel.egg')
assert el.name == 'psutil'
assert el.raw_version == '0.4.1'
assert el.py_version == '2.6'
assert el.platform == 'macosx-10.7-intel'
for req in ('psutil', 'psutil>0.4', 'psutil==0.4.1', 'psutil>0.4.0,<0.4.2'):
assert el.satisfies(req)
for req in ('foo', 'bar==0.4.1'):
assert not el.satisfies(req)
el = EggPackage('pytz-2012b-py2.6.egg')
assert el.name == 'pytz'
assert el.raw_version == '2012b'
assert el.py_version == '2.6'
assert el.platform is None
# Eggs must have their own version and a python version.
with pytest.raises(EggPackage.InvalidLink):
EggPackage('bar.egg')
with pytest.raises(EggPackage.InvalidLink):
EggPackage('bar-1.egg')
with pytest.raises(EggPackage.InvalidLink):
EggPackage('bar-py2.6.egg')
dateutil = 'python_dateutil-1.5-py2.6.egg'
with create_layout([dateutil]) as td:
el = EggPackage('file://' + os.path.join(td, dateutil), opener=Web())
with temporary_dir() as td2:
# local file fetch w/o location will always remain same
loc1 = el.fetch()
assert loc1 == os.path.join(td, dateutil)
el.fetch(location=td2)
assert os.listdir(td2) == [dateutil]
