218 lines
8.4 KiB
Python
218 lines
8.4 KiB
Python
#!/usr/bin/env python2
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# -*- coding: UTF-8 -*-
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# File: render.py
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# Date: Wed Nov 29 03:53:55 2017 -0800
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# Author: Yuxin Wu
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import os
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import base64
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import glob
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from pyquery import PyQuery
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import logging
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logger = logging.getLogger(__name__)
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LIB_PATH = os.path.dirname(os.path.abspath(__file__))
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STATIC_PATH = os.path.join(LIB_PATH, 'static')
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HTML_FILE = os.path.join(STATIC_PATH, 'TP_INDEX.html')
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TIME_HTML_FILE = os.path.join(STATIC_PATH, 'TP_TIME.html')
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FRIEND_AVATAR_CSS_FILE = os.path.join(STATIC_PATH, 'avatar.css.tpl')
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try:
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from csscompressor import compress as css_compress
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except ImportError:
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css_compress = lambda x: x
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from .msg import *
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from common.textutil import ensure_unicode
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from common.progress import ProgressReporter
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from common.timer import timing
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from .smiley import SmileyProvider
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from .msgslice import MessageSlicerByTime, MessageSlicerBySize
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TEMPLATES_FILES = {TYPE_MSG: "TP_MSG",
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TYPE_IMG: "TP_IMG",
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TYPE_SPEAK: "TP_SPEAK",
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TYPE_EMOJI: "TP_EMOJI",
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TYPE_CUSTOM_EMOJI: "TP_EMOJI",
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TYPE_LINK: "TP_MSG"}
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TEMPLATES = {k: ensure_unicode(open(os.path.join(STATIC_PATH, '{}.html'.format(v))).read())
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for k, v in TEMPLATES_FILES.iteritems()}
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class HTMLRender(object):
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def __init__(self, parser, res=None):
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self.html = ensure_unicode(open(HTML_FILE).read())
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self.time_html = open(TIME_HTML_FILE).read()
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self.parser = parser
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self.res = res
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assert self.res is not None, \
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"Resource Directory not given. Cannot render HTML."
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self.smiley = SmileyProvider()
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css_files = glob.glob(os.path.join(LIB_PATH, 'static/*.css'))
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self.css_string = [] # css to add
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for css in css_files:
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logger.info("Loading {}".format(os.path.basename(css)))
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css = ensure_unicode((open(css).read()))
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self.css_string.append(css)
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js_files = glob.glob(os.path.join(LIB_PATH, 'static/*.js'))
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# to load jquery before other js
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js_files = sorted(js_files, key=lambda f: 'jquery-latest' in f, reverse=True)
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self.js_string = []
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for js in js_files:
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logger.info("Loading {}".format(os.path.basename(js)))
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js = ensure_unicode(open(js).read())
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self.js_string.append(js)
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@property
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def all_css(self):
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# call after processing all messages,
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# because smiley css need to be included only when necessary
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def process(css):
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css = css_compress(css)
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return u'<style type="text/css">{}</style>'.format(css)
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if hasattr(self, 'final_css'):
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return self.final_css + process(self.smiley.gen_used_smiley_css())
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self.final_css = u"\n".join(map(process, self.css_string))
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return self.final_css + process(self.smiley.gen_used_smiley_css())
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@property
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def all_js(self):
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if hasattr(self, 'final_js'):
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return self.final_js
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def process(js):
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# TODO: add js compress
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return u'<script type="text/javascript">{}</script>'.format(js)
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self.final_js = u"\n".join(map(process, self.js_string))
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return self.final_js
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#@timing(total=True)
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def render_msg(self, msg):
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""" render a message, return the html block"""
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# TODO for chatroom, add nickname on avatar
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sender = u'you ' + msg.talker if not msg.isSend else 'me'
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format_dict = {'sender_label': sender,
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'time': msg.createTime }
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if(not msg.isSend and msg.is_chatroom()):
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format_dict['nickname'] = '>\n <pre align=\'left\'>'+msg.talker_nickname+'</pre'
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else:
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format_dict['nickname'] = ' '
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def fallback():
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template = TEMPLATES[TYPE_MSG]
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content = msg.msg_str()
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format_dict['content'] = self.smiley.replace_smileycode(content)
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return template.format(**format_dict)
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template = TEMPLATES.get(msg.type)
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if msg.type == TYPE_SPEAK:
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audio_str, duration = self.res.get_voice_mp3(msg.imgPath)
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format_dict['voice_duration'] = duration
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format_dict['voice_str'] = audio_str
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return template.format(**format_dict)
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elif msg.type == TYPE_IMG:
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# imgPath was original THUMBNAIL_DIRPATH://th_xxxxxxxxx
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imgpath = msg.imgPath.split('_')[-1]
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if not imgpath:
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logger.warn('No imgpath in an image message. Perhaps a bug in wechat.')
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return fallback()
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bigimgpath = self.parser.imginfo.get(msg.msgSvrId)
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fnames = [k for k in [imgpath, bigimgpath] if k]
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img = self.res.get_img(fnames)
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if not img:
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logger.warn("No image thumbnail found for {}".format(imgpath))
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return fallback()
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# TODO do not show fancybox when no bigimg found
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format_dict['img'] = (img, 'jpeg')
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return template.format(**format_dict)
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elif msg.type == TYPE_EMOJI or msg.type == TYPE_CUSTOM_EMOJI:
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if 'emoticonmd5' in msg.content:
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pq = PyQuery(msg.content)
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md5 = pq('emoticonmd5').text()
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else:
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md5 = msg.imgPath
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# TODO md5 could exist in both.
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# first is emoji md5, second is image2/ md5
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# can use fallback here.
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if md5:
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emoji_img, format = self.res.get_emoji_by_md5(md5)
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format_dict['emoji_format'] = format
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format_dict['emoji_img'] = emoji_img
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else:
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import IPython as IP; IP.embed()
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return template.format(**format_dict)
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elif msg.type == TYPE_LINK:
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content = msg.msg_str()
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# TODO show a short link with long href, if link too long
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if content.startswith(u'URL:'):
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url = content[4:]
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content = u'URL:<a target="_blank" href="{0}">{0}</a>'.format(url)
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format_dict['content'] = content
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return template.format(**format_dict)
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elif msg.type == TYPE_WX_VIDEO:
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# TODO: fetch video from resource
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return fallback()
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return fallback()
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def _render_partial_msgs(self, msgs):
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""" return single html"""
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self.smiley.used_smiley_id.clear()
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slicer = MessageSlicerByTime()
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slices = slicer.slice(msgs)
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blocks = []
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for idx, slice in enumerate(slices):
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nowtime = slice[0].createTime
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if idx == 0 or \
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slices[idx - 1][0].createTime.date() != nowtime.date():
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timestr = nowtime.strftime("%m/%d %H:%M:%S")
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else:
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timestr = nowtime.strftime("%H:%M:%S")
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blocks.append(self.time_html.format(time=timestr))
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blocks.extend([self.render_msg(m) for m in slice])
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self.prgs.trigger(len(slice))
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# string operation is extremely slow
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return self.html.format(extra_css=self.all_css,
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extra_js=self.all_js,
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chat=msgs[0].chat_nickname,
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messages=u''.join(blocks)
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)
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def prepare_avatar_css(self, talkers):
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avatar_tpl= ensure_unicode(open(FRIEND_AVATAR_CSS_FILE).read())
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my_avatar = self.res.get_avatar(self.parser.username)
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css = avatar_tpl.format(name='me', avatar=my_avatar)
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for talker in talkers:
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avatar = self.res.get_avatar(talker)
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css += avatar_tpl.format(name=talker, avatar=avatar)
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self.css_string.append(css)
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def render_msgs(self, msgs):
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""" render msgs of one chat, return a list of html"""
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if msgs[0].is_chatroom():
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talkers = set([m.talker for m in msgs])
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else:
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talkers = set([msgs[0].talker])
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self.prepare_avatar_css(talkers)
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self.res.cache_voice_mp3(msgs)
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chat = msgs[0].chat_nickname
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logger.info(u"Rendering {} messages of {}".format(
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len(msgs), chat))
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self.prgs = ProgressReporter("Render", total=len(msgs))
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slice_by_size = MessageSlicerBySize().slice(msgs)
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ret = [self._render_partial_msgs(s) for s in slice_by_size]
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self.prgs.finish()
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return ret
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if __name__ == '__main__':
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r = HTMLRender()
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with open('/tmp/a.html', 'w') as f:
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print >> f, r.html.format(style=r.css, talker='talker',
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messages='haha')
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