Source Code for Module csb.apps.helloworld

 1  """ 
 2  This is a CSB HelloWorld dummy application. 
 3  """ 
 4   
 5  import sys 
 6  import csb.apps 
 7   
 8   
 9 -class ExitCodes(csb.apps.ExitCodes): 
10       
11      BAD_TEXT = 4 
12       
13       
14 -class AppRunner(csb.apps.AppRunner): 
15       
16      @property 
17 -    def target(self): 
18          return HelloWorldApp 
19       
20 -    def command_line(self): 
21   
22          text =  "Hello World" 
23           
24          cmd = csb.apps.ArgHandler(self.program, 'This program prints "Hello World".') 
25           
26          cmd.add_scalar_option('text', 't', str, 'The text to print', default=text) 
27          cmd.add_boolean_option('upper', 'u', 'Print in upper case', default=False) 
28           
29          return cmd 
30       
31 -    def initapp(self, args): 
32           
33          app = self.target 
34          if len(args.text) < 3: 
35              app.exit("Enter at least a few words", code=ExitCodes.BAD_TEXT, usage=True) 
36           
37          return app(args) 
38       
39       
40 -class HelloWorldApp(csb.apps.Application): 
41       
42 -    def main(self): 
43           
44          if self.args.upper: 
45              text = self.args.text.upper() 
46          else: 
47              text = self.args.text 
48           
49          self.log(text) 
50          self.log('HW: done.')         
51   
52   
53 -def main(): 
54      AppRunner(sys.argv).run() 
55       
56       
57  if __name__ == '__main__': 
58      main() 
59