from urlparse import urlparse, urlunparse
import os
from xpy import html, xml

class URL:
    attrs='scm','netloc','path','params','query','fragment'
    # XXX authentication part is not parsed

    def __init__(self, string):
        for name,value in zip(self.attrs, urlparse(string, 'http')):
            setattr(self, name, value)

    def __str__(self):
        return urlunparse(tuple(map(self.__dict__.get, self.attrs)))

    def fullpath(self):
        return urlunparse( ("","",self.path,self.params,self.query,self.fragment))

class Info:
    def __init__(self):
        self.server_name = os.getenv('SERVER_NAME', 'test')
        self.url = URL(self.server_name+'/'+os.getenv('REQUEST_URI', 'test'))
        self.projectname = p = 'rlcompleter2' # url.path.split('/')[1]
        self.index_url = '/%s/index.cgi' % p
        self.downloadfn = 'rlcompleter2-0.96.tar.gz'
        self.downloadurl = '/%s/download/%s' % (p, self.downloadfn)

# =====================================================================
# Views
# =====================================================================


def css():
    <html.style type="text/css" media="all">:
        xml.append('@import url(style.css);')

menu = [
    ('home', '?home'),
    ('install', '?install'),
    ('issues' , '/issues/rlcompleter2/'),
#    ('mailman', '/mailman/listinfo/rlcompleter2-dev'),
    ]


def make_header_row(currentname):
    <html.tr class_="header_row">:
        <html.td>:
            <html.img width="154" height="75" src="/img/codespeak1b.png"> 
        <html.td class_="project_title">:
            <html.div class_="project_title">: 
                <html.b(info.projectname)>:
                    xml.append(" " + currentname) 
            for name, path in menu:
                if currentname==name:
                    <html.span(name, class_="menu_selected")>
                else:
                    if path[:1]!='/':
                        path = info.index_url+path
                    <html.a(name, class_="menu", href=path)>
                xml.append(" ")

def read_doc(name):
    try:
        base = os.path.dirname(__file__)
    except NameError:
        base = os.path.dirname(os.path.abspath(sys.argv[0]))
    fn = os.path.join(base, name+'.html')
    if not os.path.exists(fn):
        return "file not exists %s" % fn
    f = open(fn, 'rb')
    s = f.read()
    f.close()
    return s % info.__dict__

global info
info = Info()

def main():
    global tag # for interactive debugging
    print "Content-Type: text/html"
    print

    name = info.url.query or 'home'

    tag = xml.Frag()
    <tag>:
        <html.html>:
            <html.head>:
                <html.title("rlcompleter2 Holger Krekel")>
                css()
            <html.body class_="body">:
                <html.table>:
                    make_header_row(name)
                    <html.tr>:
                        <html.td> 
                        <html.td(read_doc(name))>

    print unicode(tag).encode('utf8')

if __name__=='__main__':
    import sys
    cmd, name = sys.argv[1:3]
    if cmd == 'header_row':
        t = make_header_row(name)
        print unicode(t).encode('latin1')
    else:
        raise ValueError, "unknown command %s" % cmd