Demo.modjy_webapp.demo_app.py Maven / Gradle / Ivy

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Jython is an implementation of the high-level, dynamic, object-oriented language Python written in 100% Pure Java, and seamlessly integrated with the Java platform. It thus allows you to run Python on any Java platform.

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import sys

def escape_html(s): return s.replace('&', '&').replace('<', '<').replace('>', '>')

def cutoff(s, n=100):
    if len(s) > n: return s[:n]+ '.. cut ..'
    return s

def handler(environ, start_response):
    writer = start_response("200 OK", [ ('content-type', 'text/html') ])
    response_parts = []
    response_parts.append("")
    response_parts.append("")
    response_parts.append("Modjy demo application")
    response_parts.append("")
    response_parts.append("")
    response_parts.append("Modjy servlet running correctly: jython %s on %s:" % (sys.version, sys.platform))
    response_parts.append("Hello WSGI World!")
    response_parts.append("Here are the contents of the WSGI environment")
    environ_str = ""
    keys = environ.keys()
    keys.sort()
    for ix, name in enumerate(keys):
        if ix % 2:
            background='#ffffff'
        else:
            background='#eeeeee'
        style = " style='background-color:%s;'" % background
        value = escape_html(cutoff(str(environ[name]))) or ' '
        environ_str = "%s\n%s%s" % \
            (environ_str, style, name, style, value)
    environ_str = "%s\n" % environ_str
    response_parts.append(environ_str)
    response_parts.append("")
    response_parts.append("")
    response_text = "\n".join(response_parts)
    return [response_text]