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] == SourceLink(fake_link(v))
assert list(ob.iter(Requirement.parse('psutil>=0.5.0'))) == [
SourceLink(fake_link('0.6.0')),
SourceLink(fake_link('0.5.0'))]
assert list(ob.iter(Requirement.parse('psutil'))) == [
SourceLink(fake_link(v)) for v in reversed(VERSIONS)]
def iter(self, requirement):
if hasattr(requirement, 'repository') and requirement.repository:
obtainer = Obtainer(crawler=self._crawler,
fetchers=[Fetcher([requirement.repository])],
translators=self._translator)
for package in obtainer.iter(requirement):
yield package
else:
for package in super(PantsObtainer, self).iter(requirement):
yield package
def iter(self, requirement):
if hasattr(requirement, 'repository') and requirement.repository:
obtainer = Obtainer(
crawler=self._crawler,
fetchers=[Fetcher([requirement.repository])],
translators=self._translator)
for package in obtainer.iter(requirement):
yield package
else:
for package in super(PantsObtainer, self).iter(requirement):
yield package
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(map(fake_link, VERSIONS))
ob = Obtainer(fc, [], [])
for v in VERSIONS:
pkgs = list(ob.iter(Requirement.parse('psutil==%s' % v)))
assert len(pkgs) == 1
assert pkgs[0] == SourceLink(fake_link(v))
assert list(ob.iter(Requirement.parse('psutil>=0.5.0'))) == [
SourceLink(fake_link('0.6.0')),
SourceLink(fake_link('0.5.0'))
]
assert list(ob.iter(Requirement.parse('psutil'))) == map(
SourceLink, map(fake_link, reversed(VERSIONS)))
def setup_distribute(self, interpreter, dest):
obtainer = Obtainer(self._crawler, self._fetchers, [])
obtainer_iterator = obtainer.iter(self._setuptools_requirement)
links = [link for link in obtainer_iterator if isinstance(link, SourceLink)]
for link in links:
self._logger('Fetching %s' % link)
sdist = link.fetch()
self._logger('Installing %s' % sdist)
installer = Installer(sdist, strict=False, interpreter=interpreter)
dist = installer.distribution()
self._logger('Distilling %s' % dist)
egg = Distiller(dist).distill(into=dest)
safe_link(egg, os.path.join(dest, 'distribute'))
break
def setup_distribute(self, interpreter, dest):
obtainer = Obtainer(self._crawler, self._fetchers, [])
obtainer_iterator = obtainer.iter(self._setuptools_requirement)
links = [
link for link in obtainer_iterator if isinstance(link, SourceLink)
]
for link in links:
self._logger('Fetching %s' % link)
sdist = link.fetch()
self._logger('Installing %s' % sdist)
installer = Installer(sdist, strict=False, interpreter=interpreter)
dist = installer.distribution()
self._logger('Distilling %s' % dist)
egg = Distiller(dist).distill(into=dest)
safe_link(egg, os.path.join(dest, 'distribute'))
break
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)
