#!/usr/local/bin/python3 # L-37 MCS 275 Wed 12 Apr 2017 : show_hello_world3.py """ This CGI script prints the HTML code like in show_hello_world2.html and as in show_hello_world2.py display the code. """ import cgi Lv = {'0':'C', '1':'Java', '2':'Python'} def code(L): """ Returns the string for code in the language L. """ if L == '0': c = '#include \n\n' \ + 'int main(void)\n' \ + '{\n' \ + ' printf(\"Hello World!\\n\");\n' \ + ' return 0;\n' \ + '}\n' elif L == '1': c = 'public class HelloWorld\n' \ + '{\n' \ + ' public static void main(String[] args)\n' \ + ' {\n' \ + ' System.out.print(\"Hello World!\");\n' \ + ' System.out.println();\n' \ + ' }\n' \ + '}\n' else: c = 'print \"Hello World!\"' return c def PrintHeader(): """ Prints header of web page. """ print(""" MCS 275 Review 2: show hello world """) def PrintForm(): """ Prints the input form to screen. """ print("

Show Hello World!

") print("""

See the code to show Hello World! displayed in

""") def PrintCode(L): """ Prints the code to screen. """ print("

Hello World! in %s

" % Lv[L]) print("") print("

") def main(): """ prints the form or the code """ print("Content-Type: text/html\n") PrintHeader() form = cgi.FieldStorage() if 'language' in form: L = form['language'].value PrintCode(L) else: PrintForm() print("") if __name__ == "__main__": main()