Take out the Canadian politeness.

Make the error message more consistent.
Extracted common fields for the forms.

app/main/forms.py

@@ -1,28 +1,61 @@
-from datetime import datetime
-from flask import session
-
 from flask_wtf import Form
 from wtforms import StringField, PasswordField, ValidationError
 from wtforms.validators import DataRequired, Email, Length, Regexp
 from app.main.validators import Blacklist, ValidateUserCodes
 
 
+def email_address():
+    gov_uk_email \
+        = "(^[^@^\\s]+@[^@^\\.^\\s]+(\\.[^@^\\.^\\s]*)*.gov.uk)"
+    return StringField('Email address', validators=[
+        Length(min=5, max=255),
+        DataRequired(message='Email cannot be empty'),
+        Email(message='Enter a valid email address'),
+        Regexp(regex=gov_uk_email, message='Enter a gov.uk email address')])
+
+
+def mobile_number():
+    mobile_number_regex = "^\\+44[\\d]{10}$"
+    return StringField('Mobile phone number',
+                       validators=[DataRequired(message='Mobile number can not be empty'),
+                                   Regexp(regex=mobile_number_regex, message='Enter a +44 mobile number')])
+
+
+def password():
+    return PasswordField('Create a password',
+                         validators=[DataRequired(message='Password can not be empty'),
+                                     Length(10, 255, message='Password must be at least 10 characters'),
+                                     Blacklist(message='That password is blacklisted, too common')])
+
+
+def sms_code():
+    verify_code = '^\d{5}$'
+    return StringField('Text message confirmation code',
+                       validators=[DataRequired(message='Text message confirmation code can not be empty'),
+                                   Regexp(regex=verify_code,
+                                          message='Text message confirmation code must be 5 digits'),
+                                   ValidateUserCodes(code_type='sms')])
+
+
+def email_code():
+    verify_code = '^\d{5}$'
+    return StringField("Email confirmation code",
+                       validators=[DataRequired(message='Email confirmation code can not be empty'),
+                                   Regexp(regex=verify_code, message='Email confirmation code must be 5 digits'),
+                                   ValidateUserCodes(code_type='email')])
+
+
 class LoginForm(Form):
     email_address = StringField('Email address', validators=[
         Length(min=5, max=255),
         DataRequired(message='Email cannot be empty'),
-        Email(message='Please enter a valid email address')
+        Email(message='Enter a valid email address')
     ])
     password = PasswordField('Password', validators=[
-        DataRequired(message='Please enter your password')
+        DataRequired(message='Enter your password')
     ])
 
 
-gov_uk_email = "(^[^@^\\s]+@[^@^\\.^\\s]+(\\.[^@^\\.^\\s]*)*.gov.uk)"
-mobile_number = "^\\+44[\\d]{10}$"
-verify_code = '^\d{5}$'
-
-
 class RegisterUserForm(Form):
     def __init__(self, existing_email_addresses, existing_mobile_numbers, *args, **kwargs):
         self.existing_emails = existing_email_addresses
@@ -31,19 +64,9 @@ class RegisterUserForm(Form):
 
     name = StringField('Full name',
                        validators=[DataRequired(message='Name can not be empty')])
-    email_address = StringField('Email address', validators=[
-        Length(min=5, max=255),
-        DataRequired(message='Email cannot be empty'),
-        Email(message='Please enter a valid email address'),
-        Regexp(regex=gov_uk_email, message='Please enter a gov.uk email address')
-    ])
-    mobile_number = StringField('Mobile phone number',
-                                validators=[DataRequired(message='Please enter your mobile number'),
-                                            Regexp(regex=mobile_number, message='Please enter a +44 mobile number')])
-    password = PasswordField('Create a password',
-                             validators=[DataRequired(message='Please enter your password'),
-                                         Length(10, 255, message='Password must be at least 10 characters'),
-                                         Blacklist(message='That password is blacklisted, too common')])
+    email_address = email_address()
+    mobile_number = mobile_number()
+    password = password()
 
     def validate_email_address(self, field):
         # Validate email address is unique.
@@ -59,7 +82,6 @@ class RegisterUserForm(Form):
 
 
 class TwoFactorForm(Form):
-
     def __init__(self, user_codes, *args, **kwargs):
         '''
         Keyword arguments:
@@ -69,13 +91,10 @@ class TwoFactorForm(Form):
         self.user_codes = user_codes
         super(TwoFactorForm, self).__init__(*args, **kwargs)
 
-    sms_code = StringField('sms code', validators=[DataRequired(message='Enter verification code'),
-                                                   Regexp(regex=verify_code, message='Code must be 5 digits'),
-                                                   ValidateUserCodes(code_type='sms')])
+    sms_code = sms_code()
 
 
 class VerifyForm(Form):
-
     def __init__(self, user_codes, *args, **kwargs):
         '''
         Keyword arguments:
@@ -85,29 +104,16 @@ class VerifyForm(Form):
         self.user_codes = user_codes
         super(VerifyForm, self).__init__(*args, **kwargs)
 
-    sms_code = StringField("Text message confirmation code",
-                           validators=[DataRequired(message='SMS code can not be empty'),
-                                       Regexp(regex=verify_code, message='Code must be 5 digits'),
-                                       ValidateUserCodes(code_type='sms')])
-    email_code = StringField("Email confirmation code",
-                             validators=[DataRequired(message='Email code can not be empty'),
-                                         Regexp(regex=verify_code, message='Code must be 5 digits'),
-                                         ValidateUserCodes(code_type='email')])
+    sms_code = sms_code()
+    email_code = email_code()
 
 
 class EmailNotReceivedForm(Form):
-    email_address = StringField('Email address', validators=[
-        Length(min=5, max=255),
-        DataRequired(message='Email cannot be empty'),
-        Email(message='Please enter a valid email address'),
-        Regexp(regex=gov_uk_email, message='Please enter a gov.uk email address')
-    ])
+    email_address = email_address()
 
 
 class TextNotReceivedForm(Form):
-    mobile_number = StringField('Mobile phone number', validators=[
-        DataRequired(message='Please enter your mobile number'),
-        Regexp(regex=mobile_number, message='Please enter a +44 mobile number')])
+    mobile_number = mobile_number()
 
 
 class AddServiceForm(Form):
@@ -116,7 +122,7 @@ class AddServiceForm(Form):
         super(AddServiceForm, self).__init__(*args, **kwargs)
 
     service_name = StringField(validators=[
-        DataRequired(message='Please enter your service name')])
+        DataRequired(message='Service name can not be empty')])
 
     def validate_service_name(self, a):
         if self.service_name.data in self.service_names:
@@ -124,16 +130,8 @@ class AddServiceForm(Form):
 
 
 class ForgotPasswordForm(Form):
-    email_address = StringField('Email address',
-                                validators=[Length(min=5, max=255),
-                                            DataRequired(message='Email cannot be empty'),
-                                            Email(message='Please enter a valid email address'),
-                                            Regexp(regex=gov_uk_email, message='Please enter a gov.uk email address')
-                                            ])
+    email_address = email_address()
 
 
 class NewPasswordForm(Form):
-    new_password = StringField('Create a password',
-                               validators=[DataRequired(message='Please enter your password'),
-                                           Length(10, 255, message='Password must be at least 10 characters'),
-                                           Blacklist(message='That password is blacklisted, too common')])
+    new_password = password()

app/main/views/forgot_password.py

@@ -13,7 +13,7 @@ def forgot_password():
             send_change_password_email(form.email_address.data)
             return render_template('views/password-reset-sent.html')
         else:
-            flash('The email address is not recognized. Try again.')
+            flash('The email address is not recognized. Enter the password you registered with.')
             return render_template('views/forgot-password.html', form=form)
     else:
         return render_template('views/forgot-password.html', form=form)