Udacity-Homework/User_Signup.py at master · Kaijun/Udacity-Homework · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
import webapp2
import cgi
import re

signup_form="""

<html>
  <head>
    <title>Sign Up</title>
    <style type="text/css">
      .label {text-align: right}
      .error {color: red}
    </style>

  </head>

  <body>
    <h2>Signup</h2>
    <form method="post">
      <table>
        <tr>
          <td class="label">
            Username
          </td>
          <td>
            <input type="text" name="username" value="%(fillusr)s">
          </td>
          <td class="error">
	%(errorusr)s
          </td>
        </tr>

        <tr>
          <td class="label">
            Password
          </td>
          <td>
            <input type="password" name="password" value="%(fillpsw)s">
          </td>
          <td class="error">
          %(errorpsw)s
          </td>
        </tr>

        <tr>
          <td class="label">
            Verify Password
          </td>
          <td>
            <input type="password" name="verify" value="%(fillpswv)s">
          </td>
          <td class="error">
	%(errorpswv)s
          </td>
        </tr>

        <tr>
          <td class="label">
            Email (optional)
          </td>
          <td>
            <input type="text" name="email" value="%(fillemail)s">
          </td>
          <td class="error">
	%(erroremail)s
          </td>
        </tr>
      </table>

      <input type="submit">
    </form>
  </body>

</html>
"""

class Signup(webapp2.RequestHandler):

	def valid_username(self, username):
		USER_RE = re.compile(r"^[a-zA-Z0-9_-]{3,20}$")
		return USER_RE.match(username)

	def valid_password(self, password):
		PSW_RE = re.compile(r"^.{3,20}$")
		return PSW_RE.match(password)

	def valid_email(self, email):
		EMAIL_RE = re.compile(r"^[\S]+@[\S]+\.[\S]+$")
		return EMAIL_RE.match(email)

	def write_form(self, fu="", eu="", fp="", ep="", fpv="", epv="", fe="", ee=""):
		self.response.out.write(signup_form % {"fillusr": fu,
							"errorusr": eu,
							"fillpsw": fp,
							"errorpsw": ep,
							"fillpswv": fpv,
							"errorpswv": epv,
							"fillemail": fe,
							"erroremail": ee})         #Dictionary Format!!!!!!!!!!!!!!!


	def get(self):
		self.write_form()

	def post(self):

		error1 = "That's not a valid username."
		error2 = "That wasn't a valid password."
		error3 = "Your passwords didn't match."
		error4 = "That's not a valid email."

		er1 = er2 = er3 = er4 = ""

		get_username = self.request.get('username')
		get_password = self.request.get('password')
		get_verify = self.request.get('verify')
		get_email = self.request.get('email')

		if self.valid_username(get_username) is not None and  self.valid_password(get_password) is not None and self.valid_email(get_email) is not None and get_password == get_verify:
			self.redirect("/welcome?username=%s" % get_username)
		else:
			pass
		if self.valid_username(get_username) is not None and  self.valid_password(get_password) is not None and get_email == "" and get_password == get_verify:
			self.redirect("/welcome?username=%s" % get_username)
																		#Redirection!!!!!!!!!!! URL+name!!!!
		else:
			pass

		if self.valid_username(get_username)  is None:
			er1 = error1
		else:
			pass
		if self.valid_password(get_password) is None:
			er2 = error2
		else:
			pass
		if self.valid_password(get_password) is not None and get_password != get_verify:
			er3 = error3
		else:
			pass
		if  get_email != "" and self.valid_email(get_email) is None:
			er4 = error4
		else:
			pass

			self.write_form(get_username, er1, "", er2, "", er3, get_email, er4)

class WelcomHandler(webapp2.RequestHandler):
	def get(self):
		name = self.request.get('username')				#Get the username in URL!
		self.response.out.write("Welcome, %s" % name)


		# if  self.valid_username(get_username) is None:
		# 	self.write_form('error_usr', error1)

		# self.response.out.write(signup_form)