添加功能 当依赖解决器出问题时，报出什么原因导致的错误
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wangsong
parent
195910dbc1
commit
231eb066ef
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@ -311,14 +311,103 @@ class InstallBackend():
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except Exception as e:
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except Exception as e:
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_success = False
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_success = False
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header = _("Could not calculate the upgrade")
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header = _("Could not calculate the upgrade")
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desc = _("An unresolvable problem occurred while "
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desc = str(e)
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"calculating the upgrade.\n\n"
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"Please report this bug against the 'kylin-system-updater' "
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"package and include the following error "
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"message:\n") + str(e)
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logging.error(header + desc)
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logging.error(header + desc)
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msg = self._get_broken_details(self.cache)
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logging.error(msg)
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return _success,[],[],header,desc
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return _success,[],[],header,desc
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def _get_broken_details(self,cache,now=False):
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"""Return a message which provides debugging information about
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broken packages.
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This method is basically a Python implementation of apt-get.cc's
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ShowBroken.
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Keyword arguments:
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trans -- the corresponding transaction
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now -- if we check currently broken dependecies or the installation
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candidate
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"""
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msg = _("The following packages have unmet dependencies:")
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msg += "\n\n"
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for pkg in cache:
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if not ((now and pkg.is_now_broken) or
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(not now and pkg.is_inst_broken)):
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continue
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msg += "%s: " % pkg.name
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if now:
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version = pkg.installed
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else:
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version = pkg.candidate
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indent = " " * (len(pkg.name) + 2)
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dep_msg = ""
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for dep in version.dependencies:
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or_msg = ""
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for base_dep in dep.or_dependencies:
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if or_msg:
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or_msg += "or\n"
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or_msg += indent
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# Check if it's an important dependency
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# See apt-pkg/depcache.cc IsImportantDep
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# See apt-pkg/pkgcache.cc IsCritical()
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if not (base_dep.rawtype in ["Depends", "PreDepends",
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"Obsoletes", "DpkgBreaks",
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"Conflicts"] or
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(apt_pkg.config.find_b("APT::Install-Recommends",
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False) and
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base_dep.rawtype == "Recommends") or
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(apt_pkg.config.find_b("APT::Install-Suggests",
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False) and
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base_dep.rawtype == "Suggests")):
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continue
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# Get the version of the target package
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try:
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pkg_dep = cache[base_dep.name]
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except KeyError:
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dep_version = None
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else:
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if now:
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dep_version = pkg_dep.installed
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else:
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dep_version = pkg_dep.candidate
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# We only want to display dependencies which cannot
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# be satisfied
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if dep_version and not apt_pkg.check_dep(base_dep.version,
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base_dep.relation,
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version.version):
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break
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or_msg = "%s: %s " % (base_dep.rawtype, base_dep.name)
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if base_dep.version:
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or_msg += "(%s %s) " % (base_dep.relation,
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base_dep.version)
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if self._cache.is_virtual_package(base_dep.name):
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or_msg += _("but it is a virtual package")
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elif not dep_version:
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if now:
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or_msg += _("but it is not installed")
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else:
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or_msg += _("but it is not going to "
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"be installed")
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elif now:
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# TRANSLATORS: %s is a version number
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or_msg += (("but %s is installed") %
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dep_version.version)
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else:
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# TRANSLATORS: %s is a version number
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or_msg += (("but %s is to be installed") %
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dep_version.version)
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else:
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# Only append an or-group if at least one of the
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# dependencies cannot be satisfied
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if dep_msg:
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dep_msg += indent
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dep_msg += or_msg
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dep_msg += "\n"
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msg += dep_msg
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return msg
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#调用aptdeamon结束之后处理的地方 不管是出错还是正常都在此处理
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#调用aptdeamon结束之后处理的地方 不管是出错还是正常都在此处理
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def _action_done(self, action, authorized, success, error_string,error_desc):
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def _action_done(self, action, authorized, success, error_string,error_desc):
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self.window_main.is_working = False
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self.window_main.is_working = False
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