2019-07-15 14:11:31 +00:00
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__filename__ = "content.py"
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__author__ = "Bob Mottram"
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__license__ = "AGPL3+"
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2019-08-29 13:35:29 +00:00
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__version__ = "1.0.0"
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2019-07-15 14:11:31 +00:00
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__maintainer__ = "Bob Mottram"
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__email__ = "bob@freedombone.net"
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__status__ = "Production"
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import os
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import commentjson
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2019-08-11 16:55:22 +00:00
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from shutil import copyfile
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2019-07-15 14:11:31 +00:00
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2019-09-05 09:54:27 +00:00
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def addMusicTag(content: str,tag: str) -> str:
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"""If a music link is found then ensure that the post is tagged appropriately
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"""
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if '#' not in tag:
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tag='#'+tag
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if tag in content:
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return content
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musicSites=['soundcloud.com','bandcamp.com']
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musicSiteFound=False
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for site in musicSites:
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if site+'/' in content:
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musicSiteFound=True
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break
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if not musicSiteFound:
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return content
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return content+' '+tag
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2019-08-21 12:07:30 +00:00
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def addWebLinks(content: str) -> str:
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"""Adds markup for web links
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"""
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if not ('https://' in content or 'http://' in content):
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return content
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2019-09-01 08:55:05 +00:00
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words=content.replace('\n',' --linebreak--').split(' ')
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2019-08-21 12:07:30 +00:00
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replaceDict={}
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for w in words:
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2019-08-21 12:29:30 +00:00
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if w.startswith('https://') or w.startswith('http://'):
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2019-08-21 12:07:30 +00:00
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if w.endswith('.') or w.endswith(';'):
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w=w[:-1]
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markup='<a href="'+w+'" rel="nofollow noopener" target="_blank">'
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if w.startswith('https://'):
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markup+='<span class="invisible">https://</span>'
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elif w.startswith('http://'):
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markup+='<span class="invisible">http://</span>'
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markup+='<span class="ellipsis">'+w.replace('https://','').replace('http://','')+'</span></a>'
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replaceDict[w]=markup
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for url,markup in replaceDict.items():
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content=content.replace(url,markup)
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2019-09-01 08:55:05 +00:00
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content=content.replace(' --linebreak--','<br>')
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2019-08-21 12:07:30 +00:00
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return content
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2019-08-09 11:12:08 +00:00
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def validHashTag(hashtag: str) -> bool:
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"""Returns true if the give hashtag contains valid characters
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"""
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validChars = set('0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')
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if set(hashtag).issubset(validChars):
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return True
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return False
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def addHashTags(wordStr: str,httpPrefix: str,domain: str,replaceHashTags: {},postHashtags: {}) -> bool:
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"""Detects hashtags and adds them to the replacements dict
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Also updates the hashtags list to be added to the post
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"""
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if not wordStr.startswith('#'):
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return False
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if len(wordStr)<2:
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return False
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if replaceHashTags.get(wordStr):
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return True
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hashtag=wordStr[1:]
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if not validHashTag(hashtag):
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return False
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hashtagUrl=httpPrefix+"://"+domain+"/tags/"+hashtag
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postHashtags[hashtag]= {
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'href': hashtagUrl,
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'name': '#'+hashtag,
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'type': 'Hashtag'
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}
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replaceHashTags[wordStr]= \
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"<a href=\""+hashtagUrl+"\" class=\"mention hashtag\" rel=\"tag\">#<span>"+hashtag+"</span></a>"
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return True
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2019-08-09 16:18:00 +00:00
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def loadEmojiDict(emojiDataFilename: str,emojiDict: {}) -> None:
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"""Creates an emoji dictionary based on emoji/emoji-data.txt
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"""
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if not os.path.isfile(emojiDataFilename):
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return
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with open (emojiDataFilename, "r") as fileHandler:
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for line in fileHandler:
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if len(line)<5:
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continue
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if line.startswith('#'):
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continue
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if '; Emoji' not in line:
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continue
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if ')' not in line:
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continue
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emojiUnicode=line.split(' ')[0]
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if len(emojiUnicode)<4:
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continue
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if '..' in emojiUnicode:
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emojiUnicode=emojiUnicode.split('..')[0]
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2019-08-09 18:48:40 +00:00
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emojiName=line.split(')',1)[1].strip().replace('\n','').replace(' ','').replace('-','')
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2019-08-09 16:18:00 +00:00
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if '..' in emojiName:
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emojiName=emojiName.split('..')[0]
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emojiDict[emojiName.lower()]=emojiUnicode
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def addEmoji(baseDir: str,wordStr: str,httpPrefix: str,domain: str,replaceEmoji: {},postTags: {},emojiDict: {}) -> bool:
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"""Detects Emoji and adds them to the replacements dict
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Also updates the tags list to be added to the post
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"""
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if not wordStr.startswith(':'):
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return False
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if not wordStr.endswith(':'):
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return False
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if len(wordStr)<3:
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return False
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if replaceEmoji.get(wordStr):
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return True
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emoji=wordStr[1:]
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emoji=emoji[:-1]
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if not validHashTag(emoji):
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return False
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if not emojiDict.get(emoji):
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return False
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emojiFilename=baseDir+'/emoji/'+emojiDict[emoji]+'.png'
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if not os.path.isfile(emojiFilename):
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return False
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emojiUrl=httpPrefix+"://"+domain+"/emoji/"+emojiDict[emoji]+'.png'
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postTags[emoji]= {
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2019-08-19 13:35:55 +00:00
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'icon': {
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'mediaType': 'image/png',
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'type': 'Image',
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'url': emojiUrl
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},
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2019-08-09 16:18:00 +00:00
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'name': ':'+emoji+':',
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'type': 'Emoji'
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}
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return True
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2019-08-19 12:13:18 +00:00
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def addMention(wordStr: str,httpPrefix: str,following: str,replaceMentions: {},recipients: [],tags: {}) -> bool:
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2019-08-09 09:09:21 +00:00
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"""Detects mentions and adds them to the replacements dict and recipients list
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"""
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if not wordStr.startswith('@'):
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return False
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if len(wordStr)<2:
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return False
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possibleHandle=wordStr[1:]
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2019-08-19 10:05:50 +00:00
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# @nick
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2019-08-19 11:41:15 +00:00
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if following and '@' not in possibleHandle:
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2019-08-09 09:48:51 +00:00
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# fall back to a best effort match against the following list
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# if no domain was specified. eg. @nick
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possibleNickname=possibleHandle
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for follow in following:
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if follow.startswith(possibleNickname+'@'):
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replaceDomain=follow.replace('\n','').split('@')[1]
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recipientActor=httpPrefix+"://"+replaceDomain+"/users/"+possibleNickname
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if recipientActor not in recipients:
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recipients.append(recipientActor)
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2019-08-19 12:13:18 +00:00
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tags[wordStr]={
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'href': recipientActor,
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'name': wordStr,
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'type': 'Mention'
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}
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2019-08-09 09:48:51 +00:00
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replaceMentions[wordStr]="<span class=\"h-card\"><a href=\""+httpPrefix+"://"+replaceDomain+"/@"+possibleNickname+"\" class=\"u-url mention\">@<span>"+possibleNickname+"</span></a></span>"
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return True
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return False
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2019-08-09 09:09:21 +00:00
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possibleNickname=possibleHandle.split('@')[0]
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2019-08-19 10:43:52 +00:00
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possibleDomain=possibleHandle.split('@')[1].strip('\n')
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2019-08-19 11:41:15 +00:00
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if following:
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for follow in following:
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if follow.replace('\n','')!=possibleHandle:
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continue
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recipientActor=httpPrefix+"://"+possibleDomain+"/users/"+possibleNickname
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if recipientActor not in recipients:
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recipients.append(recipientActor)
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2019-08-19 12:13:18 +00:00
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tags[wordStr]={
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'href': recipientActor,
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'name': wordStr,
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'type': 'Mention'
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}
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2019-08-19 11:41:15 +00:00
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replaceMentions[wordStr]="<span class=\"h-card\"><a href=\""+httpPrefix+"://"+possibleDomain+"/@"+possibleNickname+"\" class=\"u-url mention\">@<span>"+possibleNickname+"</span></a></span>"
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return True
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2019-08-19 10:05:50 +00:00
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# @nick@domain
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if '@' in possibleHandle:
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2019-08-19 10:43:52 +00:00
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if not (possibleDomain=='localhost' or '.' in possibleDomain):
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return False
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recipientActor=httpPrefix+"://"+possibleDomain+"/users/"+possibleNickname
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2019-08-19 10:05:50 +00:00
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if recipientActor not in recipients:
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recipients.append(recipientActor)
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2019-08-19 12:13:18 +00:00
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tags[wordStr]={
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'href': recipientActor,
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'name': wordStr,
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'type': 'Mention'
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}
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2019-08-19 10:46:23 +00:00
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replaceMentions[wordStr]="<span class=\"h-card\"><a href=\""+httpPrefix+"://"+possibleDomain+"/@"+possibleNickname+"\" class=\"u-url mention\">@<span>"+possibleNickname+"</span></a></span>"
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return True
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2019-08-09 09:46:33 +00:00
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return False
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2019-08-09 09:09:21 +00:00
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def addHtmlTags(baseDir: str,httpPrefix: str, \
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2019-08-05 16:56:32 +00:00
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nickname: str,domain: str,content: str, \
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2019-08-09 11:12:08 +00:00
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recipients: [],hashtags: {}) -> str:
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2019-07-15 14:11:31 +00:00
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""" Replaces plaintext mentions such as @nick@domain into html
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by matching against known following accounts
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"""
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if content.startswith('<p>'):
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return content
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2019-08-19 11:22:05 +00:00
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words=content.replace(',',' ').replace(';',' ').split(' ')
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2019-08-19 11:14:38 +00:00
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2019-09-05 09:54:27 +00:00
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# add music tag if needed
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content=addMusicTag(content,'nowplaying')
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2019-08-19 11:07:04 +00:00
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# remove . for words which are not mentions
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wordCtr=0
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2019-08-19 11:14:38 +00:00
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newWords=[]
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2019-08-19 11:22:05 +00:00
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for wordIndex in range(0,len(words)):
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2019-08-19 11:07:04 +00:00
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wordStr=words[wordIndex]
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if wordStr.endswith('.'):
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if not wordStr.startswith('@'):
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2019-08-19 11:14:38 +00:00
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wordStr=wordStr[:-1]
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2019-08-19 11:08:47 +00:00
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if wordStr.startswith('.'):
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2019-08-19 11:14:38 +00:00
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wordStr=wordStr[1:]
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newWords.append(wordStr)
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words=newWords
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2019-07-15 14:11:31 +00:00
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replaceMentions={}
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2019-08-09 11:12:08 +00:00
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replaceHashTags={}
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2019-08-09 16:18:00 +00:00
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replaceEmoji={}
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emojiDict={}
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originalDomain=domain
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2019-07-15 14:24:33 +00:00
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if ':' in domain:
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domain=domain.split(':')[0]
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2019-07-15 14:11:31 +00:00
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followingFilename=baseDir+'/accounts/'+nickname+'@'+domain+'/following.txt'
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2019-08-09 09:09:21 +00:00
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# read the following list so that we can detect just @nick
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# in addition to @nick@domain
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2019-08-10 16:55:17 +00:00
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following=None
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if os.path.isfile(followingFilename):
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with open(followingFilename, "r") as f:
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following = f.readlines()
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2019-08-09 09:09:21 +00:00
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# extract mentions and tags from words
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2019-07-15 14:11:31 +00:00
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for wordStr in words:
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2019-08-19 12:13:18 +00:00
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if addMention(wordStr,httpPrefix,following,replaceMentions,recipients,hashtags):
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2019-08-19 11:41:15 +00:00
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continue
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2019-08-09 16:18:00 +00:00
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if addHashTags(wordStr,httpPrefix,originalDomain,replaceHashTags,hashtags):
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continue
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if len(wordStr)>2 and wordStr.startswith(':') and wordStr.endswith(':') and not emojiDict:
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print('Loading emoji lookup')
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2019-08-11 17:16:42 +00:00
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if not os.path.isfile(baseDir+'/emoji/emoji.json'):
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copyfile(baseDir+'/emoji/default_emoji.json',baseDir+'/emoji/emoji.json')
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with open(baseDir+'/emoji/emoji.json', 'r') as fp:
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emojiDict=commentjson.load(fp)
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2019-08-09 16:18:00 +00:00
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addEmoji(baseDir,wordStr,httpPrefix,originalDomain,replaceEmoji,hashtags,emojiDict)
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2019-08-09 09:09:21 +00:00
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# replace words with their html versions
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2019-07-15 14:11:31 +00:00
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for wordStr,replaceStr in replaceMentions.items():
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content=content.replace(wordStr,replaceStr)
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2019-08-09 11:12:08 +00:00
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for wordStr,replaceStr in replaceHashTags.items():
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content=content.replace(wordStr,replaceStr)
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2019-08-09 16:18:00 +00:00
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for wordStr,replaceStr in replaceEmoji.items():
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content=content.replace(wordStr,replaceStr)
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2019-08-09 11:12:08 +00:00
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2019-08-21 12:07:30 +00:00
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content=addWebLinks(content)
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2019-08-21 12:29:30 +00:00
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content=content.replace('\n','</p><p>')
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2019-07-15 14:11:31 +00:00
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return '<p>'+content+'</p>'
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2019-08-05 19:13:15 +00:00
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def getMentionsFromHtml(htmlText: str,matchStr="<span class=\"h-card\"><a href=\"") -> []:
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"""Extracts mentioned actors from the given html content string
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"""
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mentions=[]
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if matchStr not in htmlText:
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return mentions
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2019-08-05 19:20:13 +00:00
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mentionsList=htmlText.split(matchStr)
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2019-08-05 19:13:15 +00:00
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for mentionStr in mentionsList:
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if '"' not in mentionStr:
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continue
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actorStr=mentionStr.split('"')[0]
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if actorStr.startswith('http') or \
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actorStr.startswith('dat:'):
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mentions.append(actorStr)
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return mentions
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