def action_help(self, uri):
p = policy.Policy(uri)
policy.network_use = model.network_offline
if p.need_download():
child = subprocess.Popen(['0launch', '-d', '--', uri])
child.wait()
if child.returncode:
return
iface = self.iface_cache.get_interface(uri)
reader.update_from_cache(iface)
p.solve_with_downloads()
impl = p.solver.selections[iface]
assert impl, "Failed to choose an implementation of %s" % uri
help_dir = impl.metadata.get('doc-dir')
path = p.get_implementation_path(impl)
assert path, "Chosen implementation is not cached!"
if help_dir:
path = os.path.join(path, help_dir)
else:
main = impl.main
if main:
# Hack for ROX applications. They should be updated to
# set doc-dir.
help_dir = os.path.join(path, os.path.dirname(main), 'Help')
if os.path.isdir(help_dir):
path = help_dir
# xdg-open has no "safe" mode, so check we're not "opening" an application.
if os.path.exists(os.path.join(path, 'AppRun')):
raise Exception(
_("Documentation directory '%s' is an AppDir; refusing to open"
) % path)
subprocess.Popen(['xdg-open', path])
def ensure_cached(uri, command='run', config=None):
"""Ensure that an implementation of uri is cached.
If not, it downloads one. It uses the GUI if a display is
available, or the console otherwise.
@param uri: the required interface
@type uri: str
@return: the selected implementations, or None if the user cancelled
@rtype: L{zeroinstall.injector.selections.Selections}
"""
from zeroinstall.injector import policy
if config is None:
from zeroinstall.injector.config import load_config
config = load_config()
p = policy.Policy(uri, command=command, config=config)
p.freshness = 0 # Don't check for updates
if p.need_download() or not p.ready:
if os.environ.get('DISPLAY', None):
return get_selections_gui(uri, ['--command', command])
else:
done = p.solve_and_download_impls()
tasks.wait_for_blocker(done)
return p.solver.selections
def testCommands(self):
iface = os.path.join(mydir, "Command.xml")
p = policy.Policy(iface, config=self.config)
p.need_download()
assert p.ready
impl = p.solver.selections[self.config.iface_cache.get_interface(
iface)]
assert impl.id == 'c'
assert impl.main == 'runnable/missing'
dep_impl_uri = impl.commands['run'].requires[0].interface
dep_impl = p.solver.selections[self.config.iface_cache.get_interface(
dep_impl_uri)]
assert dep_impl.id == 'sha1=256'
s1 = selections.Selections(p)
assert s1.commands[0].path == 'runnable/missing'
xml = s1.toDOM().toxml("utf-8")
root = qdom.parse(StringIO(xml))
s2 = selections.Selections(root)
assert s2.commands[0].path == 'runnable/missing'
impl = s2.selections[iface]
assert impl.id == 'c'
assert s2.commands[0].qdom.attrs['http://custom attr'] == 'namespaced'
custom_element = s2.commands[0].qdom.childNodes[0]
assert custom_element.name == 'child'
dep_impl = s2.selections[dep_impl_uri]
assert dep_impl.id == 'sha1=256'
def testCommandBindings(self): p = policy.Policy(command_feed, config = self.config) self.config.handler.wait_for_blocker(p.solve_with_downloads()) old_stdout = sys.stdout try: sys.stdout = StringIO() run.execute_selections(p.solver.selections, [], main = 'runner', dry_run = True, stores = self.config.stores) finally: sys.stdout = old_stdout assert 'local' in os.environ['LOCAL'], os.environ['LOCAL']
def testArgs(self): p = policy.Policy(runnable, config = self.config) self.config.handler.wait_for_blocker(p.solve_with_downloads()) old_stdout = sys.stdout try: sys.stdout = StringIO() run.execute_selections(p.solver.selections, [], dry_run = True, stores = self.config.stores) out = sys.stdout.getvalue() finally: sys.stdout = old_stdout assert 'runner-arg' in out, out
def testAbsMain(self): p = policy.Policy(command_feed, config = self.config) self.config.handler.wait_for_blocker(p.solve_with_downloads()) old_stdout = sys.stdout try: sys.stdout = StringIO() run.execute_selections(p.solver.selections, [], main = '/runnable/runner', dry_run = True, stores = self.config.stores) finally: sys.stdout = old_stdout try: old_stdout = sys.stdout try: sys.stdout = StringIO() run.execute_selections(p.solver.selections, [], main = '/runnable/not-there', dry_run = True, stores = self.config.stores) finally: sys.stdout = old_stdout except SafeException as ex: assert 'not-there' in unicode(ex)
def testLocalPath(self):
# 0launch --get-selections Local.xml
iface = os.path.join(mydir, "Local.xml")
p = policy.Policy(iface, config=self.config)
p.need_download()
assert p.ready
s1 = selections.Selections(p)
xml = s1.toDOM().toxml("utf-8")
# Reload selections and check they're the same
root = qdom.parse(StringIO(xml))
s2 = selections.Selections(root)
local_path = s2.selections[iface].local_path
assert os.path.isdir(local_path), local_path
assert not s2.selections[iface].digests, s2.selections[iface].digests
# Add a newer implementation and try again
feed = self.config.iface_cache.get_feed(iface)
impl = model.ZeroInstallImplementation(feed,
"foo bar=123",
local_path=None)
impl.version = model.parse_version('1.0')
impl.commands["run"] = model.Command(
qdom.Element(namespaces.XMLNS_IFACE, 'command', {'path': 'dummy'}),
None)
impl.add_download_source('http://localhost/bar.tgz', 1000, None)
feed.implementations = {impl.id: impl}
assert p.need_download()
assert p.ready, p.solver.get_failure_reason()
s1 = selections.Selections(p)
xml = s1.toDOM().toxml("utf-8")
root = qdom.parse(StringIO(xml))
s2 = selections.Selections(root)
xml = s2.toDOM().toxml("utf-8")
qdom.parse(StringIO(xml))
assert s2.selections[iface].local_path is None
assert not s2.selections[iface].digests, s2.selections[iface].digests
assert s2.selections[iface].id == 'foo bar=123'
def testSelections(self):
p = policy.Policy('http://foo/Source.xml',
src=True,
config=self.config)
source = self.config.iface_cache.get_interface('http://foo/Source.xml')
compiler = self.config.iface_cache.get_interface(
'http://foo/Compiler.xml')
self.import_feed(source.uri, 'Source.xml')
self.import_feed(compiler.uri, 'Compiler.xml')
p.freshness = 0
p.network_use = model.network_full
#import logging
#logging.getLogger().setLevel(logging.DEBUG)
assert p.need_download()
def assertSel(s):
self.assertEquals('http://foo/Source.xml', s.interface)
self.assertEquals(2, len(s.selections))
sels = [(sel.interface, sel) for sel in s.selections.values()]
sels.sort()
sels = [sel for uri, sel in sels]
self.assertEquals('http://foo/Compiler.xml', sels[0].interface)
self.assertEquals('http://foo/Source.xml', sels[1].interface)
self.assertEquals("sha1=345", sels[0].id)
self.assertEquals("1.0", sels[0].version)
self.assertEquals('sha1=234', sels[1].id)
self.assertEquals("1.0", sels[1].version)
self.assertEquals("bar", sels[1].attrs['http://namespace foo'])
self.assertEquals("1.0", sels[1].attrs['version'])
assert 'version-modifier' not in sels[1].attrs
self.assertEquals(0, len(sels[0].bindings))
self.assertEquals(0, len(sels[0].dependencies))
self.assertEquals(1, len(sels[1].bindings))
self.assertEquals('.', sels[1].bindings[0].insert)
self.assertEquals(1, len(sels[1].dependencies))
dep = sels[1].dependencies[0]
self.assertEquals('http://foo/Compiler.xml', dep.interface)
self.assertEquals(3, len(dep.bindings))
self.assertEquals('bin', dep.bindings[0].insert)
self.assertEquals('PATH', dep.bindings[0].name)
self.assertEquals('prepend', dep.bindings[0].mode)
self.assertEquals('bin', dep.bindings[1].value)
self.assertEquals('NO_PATH', dep.bindings[1].name)
self.assertEquals('bin', dep.bindings[2].insert)
self.assertEquals('BINDIR', dep.bindings[2].name)
self.assertEquals('replace', dep.bindings[2].mode)
self.assertEquals(["sha1=345"], sels[0].digests)
s1 = selections.Selections(p)
s1.selections['http://foo/Source.xml'].attrs[
'http://namespace foo'] = 'bar'
assertSel(s1)
xml = s1.toDOM().toxml("utf-8")
root = qdom.parse(StringIO(xml))
self.assertEquals(namespaces.XMLNS_IFACE, root.uri)
s2 = selections.Selections(root)
assertSel(s2)
