def test_check_requires(self, metadata, should_raise): fake_dist = Mock( has_metadata=lambda _: True, get_metadata=lambda _: metadata) if should_raise: with pytest.raises(UnsupportedPythonVersion): check_dist_requires_python(fake_dist) else: check_dist_requires_python(fake_dist)
def _resolve_one(self, requirement_set, req_to_install): """Prepare a single requirements file. :return: A list of additional InstallRequirements to also install. """ # Tell user what we are doing for this requirement: # obtain (editable), skipping, processing (local url), collecting # (remote url or package name) if req_to_install.constraint or req_to_install.prepared: return [] req_to_install.prepared = True # register tmp src for cleanup in case something goes wrong requirement_set.reqs_to_cleanup.append(req_to_install) abstract_dist = self._get_abstract_dist_for(req_to_install) # Parse and return dependencies dist = abstract_dist.dist(self.finder) try: check_dist_requires_python(dist) except UnsupportedPythonVersion as err: if self.ignore_requires_python: logger.warning(err.args[0]) else: raise more_reqs = [] def add_req(subreq, extras_requested): sub_install_req = InstallRequirement.from_req( str(subreq), req_to_install, isolated=self.isolated, wheel_cache=self.wheel_cache, ) parent_req_name = req_to_install.name to_scan_again, add_to_parent = requirement_set.add_requirement( sub_install_req, parent_req_name=parent_req_name, extras_requested=extras_requested, ) if parent_req_name and add_to_parent: self._discovered_dependencies[parent_req_name].append( add_to_parent ) more_reqs.extend(to_scan_again) with indent_log(): # We add req_to_install before its dependencies, so that we # can refer to it when adding dependencies. if not requirement_set.has_requirement(req_to_install.name): # 'unnamed' requirements will get added here req_to_install.is_direct = True requirement_set.add_requirement( req_to_install, parent_req_name=None, ) if not self.ignore_dependencies: if req_to_install.extras: logger.debug( "Installing extra requirements: %r", ','.join(req_to_install.extras), ) missing_requested = sorted( set(req_to_install.extras) - set(dist.extras) ) for missing in missing_requested: logger.warning( '%s does not provide the extra \'%s\'', dist, missing ) available_requested = sorted( set(dist.extras) & set(req_to_install.extras) ) for subreq in dist.requires(available_requested): add_req(subreq, extras_requested=available_requested) if not req_to_install.editable and not req_to_install.satisfied_by: # XXX: --no-install leads this to report 'Successfully # downloaded' for only non-editable reqs, even though we took # action on them. requirement_set.successfully_downloaded.append(req_to_install) return more_reqs
def _resolve_one(self, requirement_set, req_to_install): """Prepare a single requirements file. :return: A list of additional InstallRequirements to also install. """ # Tell user what we are doing for this requirement: # obtain (editable), skipping, processing (local url), collecting # (remote url or package name) if req_to_install.constraint or req_to_install.prepared: return [] req_to_install.prepared = True # register tmp src for cleanup in case something goes wrong requirement_set.reqs_to_cleanup.append(req_to_install) abstract_dist = self._get_abstract_dist_for(req_to_install) # Parse and return dependencies dist = abstract_dist.dist(self.finder) try: check_dist_requires_python(dist) except UnsupportedPythonVersion as err: if self.ignore_requires_python: logger.warning(err.args[0]) else: raise more_reqs = [] def add_req(subreq, extras_requested): sub_install_req = install_req_from_req( str(subreq), req_to_install, isolated=self.isolated, wheel_cache=self.wheel_cache, ) parent_req_name = req_to_install.name to_scan_again, add_to_parent = requirement_set.add_requirement( sub_install_req, parent_req_name=parent_req_name, extras_requested=extras_requested, ) if parent_req_name and add_to_parent: self._discovered_dependencies[parent_req_name].append( add_to_parent) more_reqs.extend(to_scan_again) with indent_log(): # We add req_to_install before its dependencies, so that we # can refer to it when adding dependencies. if not requirement_set.has_requirement(req_to_install.name): # 'unnamed' requirements will get added here req_to_install.is_direct = True requirement_set.add_requirement( req_to_install, parent_req_name=None, ) if not self.ignore_dependencies: if req_to_install.extras: logger.debug( "Installing extra requirements: %r", ','.join(req_to_install.extras), ) missing_requested = sorted( set(req_to_install.extras) - set(dist.extras)) for missing in missing_requested: logger.warning('%s does not provide the extra \'%s\'', dist, missing) available_requested = sorted( set(dist.extras) & set(req_to_install.extras)) for subreq in dist.requires(available_requested): add_req(subreq, extras_requested=available_requested) if not req_to_install.editable and not req_to_install.satisfied_by: # XXX: --no-install leads this to report 'Successfully # downloaded' for only non-editable reqs, even though we took # action on them. requirement_set.successfully_downloaded.append(req_to_install) return more_reqs