api.py 文件源码

def lookup_package_version(self, args):
        for spec in args:
            name, eq, version = spec.partition('=')
            try:
                if eq != '':
                    yield self.get_version(name, version.lstrip('='))
                elif self.all_versions:
                    p = self.get_package(name)
                    for v in sorted(p["releases"], key=parse):
                        if self.pre or not parse(v).is_prerelease:
                            if v == p["info"]["version"]:
                                yield p
                            else:
                                ### TODO: Can this call ever fail?
                                yield self.get_version(name, v)
                else:
                    yield self.get_latest_version(name)
            except QyPIError as e:
                self.errmsgs.append(str(e))