import os import traceback # Serves as kind of a main program class HTML_Page: def __init__(self, environ): self.environ = environ pageType = environ['PATH_INFO'] if pageType == '/index.html': self.head = self.get_index_head() self.body = self.get_index_body() elif pageType == '/add_data.html': error = self.parse_query_string() self.head = self.get_add_data_head() if error: self.body = self.get_error_body() else: self.body = self.get_add_data_body() self.add_data() elif pageType == '/report.html': self.head = self.get_report_head() self.body = self.get_report_body() else: self.head = "" self.body="

bad url

" def get_index_head(self): return " \n" def get_index_body(self): return """


""" def get_add_data_head(self): return " \n" def get_add_data_body(self): return """

Value Added

Return View Numbers """ def get_error_body(self): return """

Error

Hour should be an integer between 0 and 24

Return """ def get_report_head(self): return " \n" def get_report_body(self): theReportBody ="Return" return theReportBody def parse_query_string(self): # build dictionary to contain query keys and values self.query_value = {} query_param_list = self.environ['QUERY_STRING'].split('&') for value in query_param_list: value = value.split("=") self.query_value[value[0]] = value[1] # check hour value error = False # Boolean variable try: hour = int(self.query_value["hour"]) # might crash if not in try except: error = True # does not try to evaluate hour if error is True, so won't crash if error or hour < 0 or hour > 24: error = True return error def add_data(self): try: script_path = os.path.dirname(os.path.realpath(__file__)) f = open(script_path+"/steps.csv", "a") f.write(self.query_value["steps"]+"\n") f.close() except Exception: self.body = traceback.format_exc() # tell user where it would have crashed # on Web page def returnHTML(self): theHTML = """ \n \n """+self.head+self.body+""" """ return theHTML