diff options
| -rw-r--r-- | db.py | 19 | ||||
| -rw-r--r-- | pastepy.py | 33 | 
2 files changed, 40 insertions, 12 deletions
| @@ -1,4 +1,4 @@ -from sqlalchemy import create_engine, Column, Integer, String, DateTime, Text, Index +from sqlalchemy import create_engine, Column, Integer, String, DateTime, Text, Index, ForeignKey  from sqlalchemy.ext.declarative import declarative_base  from sqlalchemy.orm import sessionmaker, relation, backref  import settings @@ -29,5 +29,22 @@ class Paste(Base):  	def __repr__(self):  		return '<Paste(%d, "%s", "%s", "%s", "%s")>' % (self.id, self.hash, self.nick, self.date.ctime(), self.title) +class Cache(Base): +	__tablename__ = 'cache' + +	id = Column(Integer, primary_key = True) +	paste_hash = Column(String, ForeignKey('paste.hash'), index = True) +	paste = relation(Paste, primaryjoin = paste_hash == Paste.hash, lazy = False) +	syntax_name = Column(String) +	text = Column(Text) + +	def __init__(self, hash, syntax_name, text): +		self.paste_hash = hash +		self.syntax_name = syntax_name +		self.text = text + +	def __repr__(self): +		return '<Cache(%d, "%s")>' % (self.id, self.paste_hash) +  Base.metadata.create_all()  Session = sessionmaker(bind = engine, autoflush = True, autocommit = False) @@ -89,22 +89,33 @@ class Paste(object):  		return []  	def view(self): +		def get_formatted(syntax, text): +			try: +				lex = get_lexer_by_name(syntax) +				lexername = lex.name +				text = highlight(text, lex, self.formatter) +			except: +				lexername = 'Plain text' +			return (lexername, text) +  		hash = self.path[1]  		try:  			session = db.Session() -			paste = session.query(db.Paste).filter_by(hash = hash).one() +			try: +				cache = session.query(db.Cache).filter_by(paste_hash = hash).one() +				paste = cache.paste +			except: # No cache found, generate it. +				paste = session.query(db.Paste).filter_by(hash = hash).one() +				lexername, text = get_formatted(paste.syntax, paste.text) +				cache = db.Cache(hash, lexername, text) +				session.add(cache) +				session.commit() +				# Workaround for attribute refresh. +				paste = cache.paste  		finally:  			session.close() -		try: -			lex = get_lexer_by_name(paste.syntax) -			lexername = lex.name -			text = highlight(paste.text, lex, self.formatter) -		except: -			lexername = 'Plain text' -			text = paste.text -  		self.start_response('200 OK', [('Content-Type', 'text/html')])  		return [str(templates.view(searchList = {  			'title': '%s – View paste – %s' % (settings.pastebin_name, paste.title), @@ -112,9 +123,9 @@ class Paste(object):  			'hash': hash,  			'date': paste.date.ctime(),  			'nick': paste.nick or 'Anonymous', -			'syntax': lexername, +			'syntax': cache.syntax_name,  			'pastetitle': paste.title or 'Untitled', -			'text': text, +			'text': cache.text,  			}))]  	def raw(self): | 
