54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
#!/usr/bin/env python2
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# -*- coding: UTF-8 -*-
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# File: res.py
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# Date: Sun Nov 23 15:59:48 2014 +0800
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# Author: Yuxin Wu <[email protected]>
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import glob
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import os
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import Image
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import cStringIO
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import base64
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from lib.avatar import AvatarReader
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VOICE_DIRNAME = 'voice2'
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class Resource(object):
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""" multimedia resources in chat"""
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def __init__(self, res_dir):
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assert os.path.isdir(res_dir), "No such directory: {}".format(res_dir)
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self.res_dir = res_dir
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self.avt_reader = AvatarReader(self.res_dir)
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self.init()
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def init(self):
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""" load some index in memory"""
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self.speak_data = {}
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for root, subdirs, files in os.walk(
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os.path.join(self.res_dir, VOICE_DIRNAME)):
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if subdirs:
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continue
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for f in files:
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if not f.endswith('amr'):
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continue
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full_path = os.path.join(root, f)
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key = f[4:-4] # msg_xxxxx.amr
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assert len(key) == 26, \
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"Error interpreting the protocol, this is a bug!"
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self.speak_data[key] = full_path
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def get_avatar(self, username):
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""" return base64 string"""
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ret = self.avt_reader.get_avatar(username)
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if ret is None:
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return ""
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im = Image.fromarray(ret)
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buf = cStringIO.StringIO()
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im.save(buf, 'JPEG', quality=50)
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jpeg_str = buf.getvalue()
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return base64.b64encode(jpeg_str)
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