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#! /usr/bin/python3
# -*- coding: UTF-8 -*-
"""
Okasha - a very simple WSGI webframe work
Copyright © 2009, Muayyad Alsadi <alsadi@ojuba.org>
Released under terms of Waqf Public License.
This program is free software; you can redistribute it and/or modify
it under the terms of the latest version Waqf Public License as
published by Ojuba.org.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
The Latest version of the license can be found on
"http://waqf.ojuba.org/license"
"""
from okasha.baseWebApp import *
from okasha.xsltTemplate import xsltTemplate
from okasha.bottleTemplate import bottleTemplate
from glob import glob
class webApp(baseWebApp):
def __init__(self, mode,*args, **kw):
"""
mode is just an argument to show how to recive arguments
"""
self.mode=mode
baseWebApp.__init__(self,*args, **kw)
@expose()
def verbatim(self, rq, *args):
"""
this is an example of sending a verbatim html code as-is
to test it visit http://localhost:8080/verbatim/some/args/?id=5
"""
return """<html><body style="background:url('%s/_files/logo.gif') top right no-repeat;">
<h1>welcome to verbatim html from python</h1>
You requested [<strong>%s</strong>]<br/>
You query is [<strong>%s</strong>]<br/>
</body></html>""" % (rq.script, escape('/'.join(args)), escape(rq.q.__repr__()))
@expose(contentType="text/plain; charset=utf-8")
def text(self, rq, *args):
"""
this is an example of sending a verbatim plain text as-is
to test it visit http://localhost:8080/text/some/args/?id=5
"""
return """welcome to verbatim plain text from python, <b>this is not bold</b>
You requested [%s]
You query is [%s]
""" % ('/'.join(args), rq.q.__repr__())
@expose()
def selective(self, rq, *args):
"""
this is an example of setting content type on the fly
to test it visit
http://localhost:8080/selective/?type=h
http://localhost:8080/selective/?type=t
"""
if rq.q.getfirst('type','')=='t':
rq.response.contentType="text/plain; charset=utf-8"
return """welcome to selective plain or html text from python, <b>is this bold</b>
You requested [%s]
You query is [%s]
""" % (escape('/'.join(args)), escape(rq.q.__repr__()))
@expose()
def _root(self, rq, *args):
"""
this is called when / or when no other suitable method is found
you could just redirect to /index for example or raise fileNotFoundException()
"""
return """<html><body>
<h1>welcome to Okasha</h1>
<div style="width:300px;float:right">
classic logo
<img src="%(script)s/_files/logo.png" />
<hr/>
logo from custom theme
<img src="%(script)s/_theme/logo.png" />
<hr/>
file only found in base theme
<img src="%(script)s/_theme/logo.gif" />
</div>
You requested [<strong>%(u)s</strong>] which is not handled by any method<br/>
You query is [<strong>%(q)s</strong>]<br/>
<h2>try out the following</h2>
<ul>
<li><a href="%(script)s/text">plain text</a></li>
<li><a href="%(script)s/verbatim/some/args/?id=5">verbatim html</a></li>
<li>same method can be <a href="%(script)s/selective/?type=t">plain</a> or <a href="%(script)s/selective/?type=h">html</a> at run time</li>
<li><a href="%(script)s/tmp/some/args/?id=5">tmp</a></li>
<li><a href="%(script)s/tmp/err/raised/?id=5">tmp (not allowed)</a></li>
<li><a href="%(script)s/format/some/args/?id=5">format</a></li>
<li><a href="%(script)s/bottletmp/red/yellow/green/">bottle templates</a></li>
<li><a href="%(script)s/xslt/some/args/?id=5">xslt templates</a></li>
<li><a href="%(script)s/docbook/some/args/?id=5">docbook templates</a></li>
<li><a href="%(script)s/cookies/">cookies</a></li>
<li><a href="%(script)s/moved/">redirects</a></li>
<li><a href="%(script)s/main/">main</a></li>
<li><a href="%(script)s/upload/">upload a file to /tmp/</a></li>
</ul>
</body></html>""" % {'script':rq.script,'u':escape('/'.join(args)), 'q':escape(rq.q.__repr__())}
@expose(percentTemplate,["tmp.html"])
def tmp(self, rq, *args):
"""
this is how you can use simple % formatting templates,
just return a dictionary, and it will be applied to the named template.
to test it visit
http://localhost:8080/tmp/some/args/?id=5
http://localhost:8080/tmp/err/raised/?id=5
"""
if args and args[0]=='err': raise forbiddenException()
return {
'title':'Okasha simple percent templates',
'key1':'val1','key2':'val2','args':'/'.join(args)
}
@expose(formatTemplate,["format.html"])
def format(self, rq, *args):
"""
this is how you can use simple formatting templates
you may return a list and use {0}, {1} ...etc.
you may return a dict and use {key1}, {key2}
you may also use {key1[0]} if the value is a list or {key1.subkey} ...
http://localhost:8080/format/some/args/?id=5
"""
return {
'title':'Okasha simple format templates',
'key1':'val1','key2':'val2','args':'/'.join(args)
}
@expose(bottleTemplate,["bottle-test.tpl"])
def bottletmp(self, rq, *args):
"""
this is how you can use simple % formatting templates,
just return a dictionary, and it will be applied to the named template.
to test it visit
http://localhost:8080/bottletmp/
http://localhost:8080/bottletmp/red/yellow/green/
"""
return {
'title':'Okasha simple bottle templates',
'colors':args
}
@expose(xsltTemplate,["test.xsl"], contentType="text/xml; charset=utf-8")
def xslt(self, rq, *args):
"""
http://localhost:8080/xslt/some/args/?id=5
"""
return '''<a><b>Text</b></a>'''
@expose(xsltTemplate,["docbook.xsl"])
def docbook(self, rq, *args):
"""
http://localhost:8080/docbook/some/args/?id=5
"""
return '''\
<article id="myarticle" lang="ar_JO">
<section id="mysection1">
<title>عنوان الفصل الأول</title>
<para>هذه هي الفقرة الأولى</para>
<important>
<title>هذا عنوان مهم</title>
<para>هذه فقرة من النص المهم</para>
</important>
<para>هذه هي الفقرة الثانية</para>
</section>
<section id="mysection2">
<title>عنوان الفصل الثاني</title>
<para>هذه هي الفقرة الأولى</para>
<para>هذه هي الفقرة الثانية</para>
<section id="mysubsection1">
<title>عنوان فصل فرعي</title>
<para>هذه الفقرة هي جزء من فصل فرعي داخل الفصل الثاني</para>
<para>
لمزيد من التفاصيل انظر
<xref linkend="mysection1"/>
</para>
</section>
</section>
</article>'''
@expose(percentTemplate,["cookies.html"])
def cookies(self, rq, *args):
"""
http://localhost:8080/cookies/
"""
if 'color' in rq.q:
c=rq.q.getfirst('color','')
rq.response.setCookie('color',c, 60*5) # expires in 5 minutes
return {'color':c}
if 'color' in rq.cookies:
return {'color':rq.cookies['color'].value.decode('utf8')}
return {'color':''}
@expose(percentTemplate,["upload.html"])
def upload(self, rq, *args):
"""
http://localhost:8080/upload/
"""
color=rq.q.getfirst('color','')
b=rq.q.getfirst('b','')
if 'file1' in rq.q:
f=rq.q.getfirst('file1','') # get it as string
rq.q.save_in('file1','/tmp/')
else: f=""
return {'color':color,'f':f,'b':b,'script':rq.script}
def moved(self, rq, *args):
"""
this is an example of using redirects
to test it visit http://localhost:8080/moved/
"""
raise redirectException(rq.script+'/main/')
@expose(percentTemplate,["main.html"])
def main(self, rq, *args):
"""
this is an example of using ajax/json
also notice that we can access to class properties
to test it visit http://localhost:8080/main/
"""
return {
'title':'Okasha: sample web application',
'script':rq.script,
'mode':self.mode, 'version':'0.1.0'
}
@expose(jsonDumps)
def ajaxGet(self, rq, *args):
"""
this is an example of using ajax/json
to test it visit http://localhost:8080/ajaxGet"
"""
import time, random
return {'time':time.time(),'rnd':random.randrange(1,7)}
@expose(jsonDumps)
def ajaxToUpper(self, rq, *args):
"""
this is an example of using ajax/json
to test it visit http://localhost:8080/ajaxToUpper?text="LowerCaseMe"
"""
t=rq.q.getfirst('text','')
return t.upper()
@expose(jsonDumps)
def ajaxSplit(self, rq, *args):
"""
this is an example of using ajax/json
to test it visit http://localhost:8080/ajaxSplit?text=12-345-678&by=-
"""
t=rq.q.getfirst('text','')
d=rq.q.getfirst('by','')
return t.split(d)
# you may customize exceptions like this
# @expose(response=404,contentType='text/plain; charset=utf-8')
# def _404(self, rq, e):
# if rq.uri==None: return ('File is not found',)
# return ('File [%s] is not found' % rq.uri,)
if __name__ == '__main__':
# this requires python-paste package
import logging
from paste import httpserver
import sys, os, os.path
myLogger=logging.getLogger('MyTestWebApp')
h=logging.StreamHandler() # in production use WatchedFileHandler or RotatingFileHandler
h.setFormatter(logging.Formatter("%(asctime)s - %(name)s - %(levelname)s - %(message)s"))
myLogger.addHandler(h)
myLogger.setLevel(logging.DEBUG) # in production use logging.INFO
d=os.path.abspath(os.path.dirname(sys.argv[0]))
lookup=[os.path.join(d,'demo-themes')]
app=webApp(
'SafeMode',
lookup, 'fancy', '/_theme/',
staticBaseDir={'/_files/':os.path.join(d,'demo-themes/default/static/')},
logger=myLogger
);
# for options see http://pythonpaste.org/modules/httpserver.html
httpserver.serve(app, host='127.0.0.1', port='8080')
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