From 08e406d146904988c8dac366a6007b7291b9642a Mon Sep 17 00:00:00 2001
From: Adrian Holovaty <adrian@holovaty.com>
Date: Wed, 21 Feb 2007 05:54:09 +0000
Subject: [PATCH] Added newforms USPhoneNumberField in
 django.contrib.localflavor.usa

git-svn-id: http://code.djangoproject.com/svn/django/trunk@4554 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
 django/contrib/localflavor/usa/forms.py | 19 +++++++
 tests/regressiontests/forms/tests.py    | 69 +++++++++++++++++++++++++
 2 files changed, 88 insertions(+)

diff --git a/django/contrib/localflavor/usa/forms.py b/django/contrib/localflavor/usa/forms.py
index 4d2cb5e90a..9106519743 100644
--- a/django/contrib/localflavor/usa/forms.py
+++ b/django/contrib/localflavor/usa/forms.py
@@ -4,7 +4,11 @@ USA-specific Form helpers
 
 from django.newforms import ValidationError
 from django.newforms.fields import Field, RegexField, Select, EMPTY_VALUES
+from django.newforms.util import smart_unicode
 from django.utils.translation import gettext
+import re
+
+phone_digits_re = re.compile(r'^(?:1-?)?(\d{3})[-\.]?(\d{3})[-\.]?(\d{4})$')
 
 class USZipCodeField(RegexField):
     def __init__(self, *args, **kwargs):
@@ -13,6 +17,21 @@ class USZipCodeField(RegexField):
             error_message=gettext(u'Enter a zip code in the format XXXXX or XXXXX-XXXX.'),
             *args, **kwargs)
 
+class USPhoneNumberField(Field):
+    def __init__(self, allow_letters=True, *args, **kwargs):
+        self.allow_letters = allow_letters
+        super(USPhoneNumberField, self).__init__(*args, **kwargs)
+
+    def clean(self, value):
+        super(USPhoneNumberField, self).clean(value)
+        if value in EMPTY_VALUES:
+            return u''
+        value = re.sub('(\(|\)|\s+)', '', smart_unicode(value))
+        m = phone_digits_re.search(value)
+        if m:
+            return u'%s-%s-%s' % (m.group(1), m.group(2), m.group(3))
+        raise ValidationError(u'Phone numbers must be in XXX-XXX-XXXX format.')
+
 class USStateField(Field):
     """
     A form field that validates its input is a U.S. state name or abbreviation.
diff --git a/tests/regressiontests/forms/tests.py b/tests/regressiontests/forms/tests.py
index 7b5aa136e8..db3969429e 100644
--- a/tests/regressiontests/forms/tests.py
+++ b/tests/regressiontests/forms/tests.py
@@ -3329,6 +3329,75 @@ u''
 >>> f.clean('')
 u''
 
+# USPhoneNumberField ##########################################################
+
+USPhoneNumberField validates that the data is a valid U.S. phone number,
+including the area code. It's normalized to XXX-XXX-XXXX format.
+>>> from django.contrib.localflavor.usa.forms import USPhoneNumberField
+>>> f = USPhoneNumberField()
+>>> f.clean('312-555-1212')
+u'312-555-1212'
+>>> f.clean('3125551212')
+u'312-555-1212'
+>>> f.clean('312 555-1212')
+u'312-555-1212'
+>>> f.clean('(312) 555-1212')
+u'312-555-1212'
+>>> f.clean('312 555 1212')
+u'312-555-1212'
+>>> f.clean('312.555.1212')
+u'312-555-1212'
+>>> f.clean('312.555-1212')
+u'312-555-1212'
+>>> f.clean(' (312) 555.1212 ')
+u'312-555-1212'
+>>> f.clean('555-1212')
+Traceback (most recent call last):
+...
+ValidationError: [u'Phone numbers must be in XXX-XXX-XXXX format.']
+>>> f.clean('312-55-1212')
+Traceback (most recent call last):
+...
+ValidationError: [u'Phone numbers must be in XXX-XXX-XXXX format.']
+>>> f.clean(None)
+Traceback (most recent call last):
+...
+ValidationError: [u'This field is required.']
+>>> f.clean('')
+Traceback (most recent call last):
+...
+ValidationError: [u'This field is required.']
+
+>>> f = USPhoneNumberField(required=False)
+>>> f.clean('312-555-1212')
+u'312-555-1212'
+>>> f.clean('3125551212')
+u'312-555-1212'
+>>> f.clean('312 555-1212')
+u'312-555-1212'
+>>> f.clean('(312) 555-1212')
+u'312-555-1212'
+>>> f.clean('312 555 1212')
+u'312-555-1212'
+>>> f.clean('312.555.1212')
+u'312-555-1212'
+>>> f.clean('312.555-1212')
+u'312-555-1212'
+>>> f.clean(' (312) 555.1212 ')
+u'312-555-1212'
+>>> f.clean('555-1212')
+Traceback (most recent call last):
+...
+ValidationError: [u'Phone numbers must be in XXX-XXX-XXXX format.']
+>>> f.clean('312-55-1212')
+Traceback (most recent call last):
+...
+ValidationError: [u'Phone numbers must be in XXX-XXX-XXXX format.']
+>>> f.clean(None)
+u''
+>>> f.clean('')
+u''
+
 # USStateField ################################################################
 
 USStateField validates that the data is either an abbreviation or name of a