[巴法络] 请教：安装FlexGet出错

上周新机到手后(LS-WVL)成功安装过，因为识别不了USB设备，昨天重新刷机官方1.64固件，ROOT，SSH，PT成功，但是在安装Flexget时出错了。执行安装命令后，下载时出错，说是证书问题，不知是个例还是下载站点出了问题。

参照的是“宿醉冇醒 ”的帖子安装的http://www.gebi1.com/thread-24224-1-1.html

root@Nas:~# /opt/local/bin/pip install feedparser
Downloading/unpacking feedparser
  Could not fetch URL https://pypi.python.org/simple/feedparser/: There was a problem confirming the ssl certificate: <urlopen error [Errno 1] _ssl.c:504: error:0D0890A1:asn1 encoding routines:ASN1_verify:unknown message digest algorithm>
  Will skip URL https://pypi.python.org/simple/feedparser/ when looking for download links for feedparser
  Could not fetch URL https://pypi.python.org/simple/: There was a problem confirming the ssl certificate: <urlopen error [Errno 1] _ssl.c:504: error:0D0890A1:asn1 encoding routines:ASN1_verify:unknown message digest algorithm>
  Will skip URL https://pypi.python.org/simple/ when looking for download links for feedparser
  Cannot fetch index base URL https://pypi.python.org/simple/
  Could not fetch URL https://pypi.python.org/simple/feedparser/: There was a problem confirming the ssl certificate: <urlopen error [Errno 1] _ssl.c:504: error:0D0890A1:asn1 encoding routines:ASN1_verify:unknown message digest algorithm>
  Will skip URL https://pypi.python.org/simple/feedparser/ when looking for download links for feedparser
  Could not find any downloads that satisfy the requirement feedparser
No distributions at all found for feedparser
Storing complete log in /root/.pip/pip.log
root@Nas:~# /opt/local/bin/pip install flexget   
Downloading/unpacking flexget
  Could not fetch URL https://pypi.python.org/simple/flexget/: There was a problem confirming the ssl certificate: <urlopen error [Errno 1] _ssl.c:504: error:0D0890A1:asn1 encoding routines:ASN1_verify:unknown message digest algorithm>
  Will skip URL https://pypi.python.org/simple/flexget/ when looking for download links for flexget
  Could not fetch URL https://pypi.python.org/simple/: There was a problem confirming the ssl certificate: <urlopen error [Errno 1] _ssl.c:504: error:0D0890A1:asn1 encoding routines:ASN1_verify:unknown message digest algorithm>
  Will skip URL https://pypi.python.org/simple/ when looking for download links for flexget
  Cannot fetch index base URL https://pypi.python.org/simple/
  Could not fetch URL https://pypi.python.org/simple/flexget/: There was a problem confirming the ssl certificate: <urlopen error [Errno 1] _ssl.c:504: error:0D0890A1:asn1 encoding routines:ASN1_verify:unknown message digest algorithm>
  Will skip URL https://pypi.python.org/simple/flexget/ when looking for download links for flexget
  Could not find any downloads that satisfy the requirement flexget
No distributions at all found for flexget
Storing complete log in /root/.pip/pip.log