<s> """<STR_LIT>""" <EOL> from BeautifulSoup import BeautifulSoup <EOL> import clevercss <EOL> from lamson import mail , view <EOL> from markdown2 import markdown <EOL> class HtmlMail ( object ) : <EOL> """<STR_LIT>""" <EOL> def __init__ ( self , css_template , html_template , variables = { } , wiki = markdown ) : <EOL> """<STR_LIT>""" <EOL> self . template = html_template <EOL> self . load_css ( css_template , variables ) <EOL> self . wiki = wiki <EOL> def load_css ( self , css_template , variables ) : <EOL> """<STR_LIT>""" <EOL> self . css = view . render ( variables , css_template ) <EOL> self . engine = clevercss . Engine ( self . css ) <EOL> self . stylesheet = [ ] <EOL> for selector , style in self . engine . evaluate ( ) : <EOL> attr = "<STR_LIT>" . join ( "<STR_LIT>" % ( k , v ) for k , v in style ) <EOL> selectors = selector [ <NUM_LIT:0> ] . split ( ) <EOL> self . stylesheet . append ( ( selectors [ <NUM_LIT:0> ] , selectors [ <NUM_LIT:1> : ] , attr ) ) <EOL> def reduce_tags ( self , name , tags ) : <EOL> """<STR_LIT>""" <EOL> results = [ ] <EOL> for tag in tags : <EOL> if name . startswith ( "<STR_LIT:#>" ) : <EOL> children = tag . findAll ( attrs = { "<STR_LIT:class>" : name [ <NUM_LIT:1> : ] } ) <EOL> elif name . startswith ( "<STR_LIT:.>" ) : <EOL> children = tag . findAll ( attrs = { "<STR_LIT:id>" : name [ <NUM_LIT:1> : ] } ) <EOL> else : <EOL> children = tag . findAll ( name ) <EOL> if children : <EOL> results += children <EOL> return results <EOL> def apply_styles ( self , html ) : <EOL> """<STR_LIT>""" <EOL> doc = BeautifulSoup ( html ) <EOL> roots = { } <EOL> for root , path , attr in self . stylesheet : <EOL> tags = roots . get ( root , None ) <EOL> if not tags : <EOL> tags = self . reduce_tags ( root , [ doc ] ) <EOL> roots [ root ] = tags <EOL> for sel in path : <EOL> tags = self . reduce_tags ( sel , tags ) <EOL> for node in tags : <EOL> try : <EOL> node [ '<STR_LIT>' ] += "<STR_LIT>" + attr <EOL> except KeyError : <EOL> node [ '<STR_LIT>' ] = attr <EOL> return doc <EOL> def render ( self , variables , content_template , pretty = False ) : <EOL> """<STR_LIT>""" <EOL> content = self . wiki ( view . render ( variables , content_template ) ) <EOL> lvars = variables . copy ( ) <EOL> lvars [ '<STR_LIT:content>' ] = content <EOL> html = view . render ( lvars , self . template ) <EOL> styled = self . apply_styles ( html ) <EOL> if pretty : <EOL> return styled . prettify ( ) <EOL> else : <EOL> return str ( styled ) <EOL> def respond ( self , variables , content , ** kwd ) : <EOL> """<STR_LIT>""" <EOL> assert content , "<STR_LIT>" <EOL> if kwd . get ( '<STR_LIT>' , None ) == content : <EOL> kwd [ '<STR_LIT>' ] = view . render ( variables , content ) <EOL> for key in kwd : <EOL> kwd [ key ] = kwd [ key ] % variables <EOL> msg = mail . MailResponse ( ** kwd ) <EOL> msg . Html = self . render ( variables , content ) <EOL> return msg </s>
