webman.py 文件源码

def getShortcutIcon(pkgname):
    try:
        return getShortcutIcon.cache[pkgname]
    except AttributeError:
        getShortcutIcon.cache = {}
    except KeyError:
        try:
            packageUrl = parsePackage(getPackageInfo(pkgname))[3]
            pool = PoolManager(cert_reqs='CERT_REQUIRED', ca_certs=where())
            pageRequest = pool.request('GET', packageUrl, timeout=3.0)
            pageContent = pageRequest.data
            pageSoup = BeautifulSoup(pageContent, 'html.parser')
            iconLink = pageSoup.find('link', rel='icon')['href']
            getShortcutIcon.cache[pkgname] = urljoin(packageUrl, iconLink)
        except:
            try:
                getShortcutIcon.cache[pkgname] = urljoin(packageUrl, '/favicon.ico')
            except:
                getShortcutIcon.cache[pkgname] = None

    return getShortcutIcon(pkgname)