import cgi
def main():
if cgi.dictionary is None or not cgi.dictionary.has_key('file'):
show_form()
else:
show_file()
def show_form(error = ''):
if error != '':
error = '\t\t\t' + error + ' cannot be displayed.<br>\n'
cgi.html('''<html>
\t<head>
\t\t<title>
\t\t\tPython Script Viewer
\t\t</title>
\t</head>
\t<body>
\t\t<form action="python_script_viewer.py">\n''' + error + '''\t\t\tPython Script Filename:<br>
\t\t\t<input type="text" name="file" size="50"><br>
\t\t\t<input type="submit" value="Display">
\t\t</form>
\t</body>
</html>''')
def show_file():
try:
if cgi.dictionary['file'][-3:].lower() != '.py':
raise Exception
cgi.plain(file(cgi.dictionary['file']).read())
except:
show_form(cgi.dictionary['file'])
if __name__ == '__main__':
cgi.execute(main, 'python')
