Add to docs and relax restrictions

Author: Julian

docs/validate.rst

@@ -219,4 +219,29 @@ to validate. Their names can be viewed by inspecting the
      ...'uri']
 
 
+The actual functions that do the validation are also exposed, in case there is
+any use for them. They are listed below, along with any limitations they come
+with.
+
+
 .. autofunction:: is_date_time
+
+.. autofunction:: is_date
+
+.. autofunction:: is_time
+
+.. autofunction:: is_regex
+
+.. autofunction:: is_css21_color
+
+.. autofunction:: is_css3_color
+
+.. autofunction:: is_uri
+
+.. autofunction:: is_email
+
+.. autofunction:: is_ip_address
+
+.. autofunction:: is_ipv6
+
+.. autofunction:: is_host_name

jsonschema.py

@@ -12,6 +12,7 @@
 from __future__ import division, unicode_literals
 
 import collections
+import datetime
 import itertools
 import json
 import numbers
@@ -569,17 +570,16 @@ def is_date_time(instance):
         True
         >>> is_date_time("1970-01-01 00:00:00 GMT")
         False
-
-    .. note:: Does not check whether year, month, day, hour, minute and
-              second components have values in the correct ranges.
-
         >>> is_date_time("0000-58-59T60:61:62")
-        True
+        False
 
     """
 
-    pattern = r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d+)?$"
-    return bool(re.match(pattern, instance))
+    try:
+        datetime.datetime.strptime(instance, "%Y-%m-%dT%H:%M:%S.%f")
+        return True
+    except ValueError:
+        return False
 
 
 @FormatChecker.cls_checks("date")
@@ -594,17 +594,16 @@ def is_date(instance):
         True
         >>> is_date("12/31/1970")
         False
-
-    .. note:: Does not check whether year, month and day components have
-              values in the correct ranges.
-
         >>> is_date("0000-13-32")
-        True
+        False
 
     """
 
-    pattern = r"^\d{4}-\d{2}-\d{2}$"
-    return bool(re.match(pattern, instance))
+    try:
+        datetime.datetime.strptime(instance, "%Y-%m-%d")
+        return True
+    except ValueError:
+        return False
 
 
 @FormatChecker.cls_checks("time")
@@ -619,17 +618,16 @@ def is_time(instance):
         True
         >>> is_time("11:59:59 PM")
         False
-
-    .. note:: Does not check whether hour, minute and second components
-              have values in the correct ranges.
-
         >>> is_time("59:60:61")
-        True
+        False
 
     """
 
-    pattern = r"^\d{2}:\d{2}:\d{2}$"
-    return bool(re.match(pattern, instance))
+    try:
+        datetime.datetime.strptime(instance, "%H:%M:%S")
+        return True
+    except ValueError:
+        return False
 
 
 @FormatChecker.cls_checks("uri")