Squashed commit of the following:

marshmallow_pagination/__init__.py

@@ -1 +1 @@
-__version__ = '0.1.2'
+__version__ = '3.0.0'

marshmallow_pagination/pages.py

@@ -5,7 +5,7 @@
 
 import six
 
-class BasePage(six.with_metaclass(abc.ABCMeta, collections.Sequence)):
+class BasePage(six.with_metaclass(abc.ABCMeta, collections.abc.Sequence)):
     """A page of results.
     """
     def __init__(self, paginator, results):
@@ -35,6 +35,7 @@ def info(self):
             'count': self.paginator.count,
             'pages': self.paginator.pages,
             'per_page': self.paginator.per_page,
+            'is_count_exact': self.paginator.is_count_exact,
         }
 
 class SeekPage(BasePage):
@@ -52,4 +53,5 @@ def info(self):
             'pages': self.paginator.pages,
             'per_page': self.paginator.per_page,
             'last_indexes': self.last_indexes,
+            'is_count_exact': self.paginator.is_count_exact,
         }

marshmallow_pagination/paginators.py

@@ -18,8 +18,9 @@ def convert_value(row, attr):
 
 class BasePaginator(six.with_metaclass(abc.ABCMeta, object)):
 
-    def __init__(self, cursor, per_page, count=None):
+    def __init__(self, cursor, per_page, is_count_exact=None, count=None):
         self.cursor = cursor
+        self.is_count_exact = is_count_exact
         self.count = count or self._count()
         self.per_page = per_page or self.count
 
@@ -62,10 +63,10 @@ class SeekPaginator(BasePaginator):
     """
     page_type = pages.SeekPage
 
-    def __init__(self, cursor, per_page, index_column, sort_column=None, count=None):
+    def __init__(self, cursor, per_page, index_column, is_count_exact=None, sort_column=None, count=None):
         self.index_column = index_column
         self.sort_column = sort_column
-        super(SeekPaginator, self).__init__(cursor, per_page, count=count)
+        super(SeekPaginator, self).__init__(cursor, per_page, is_count_exact=is_count_exact, count=count)
 
     def get_page(self, last_index=None, sort_index=None, eager=True):
         limit = self.per_page

marshmallow_pagination/schemas.py

@@ -4,8 +4,8 @@
 import marshmallow as ma
 
 class PageSchemaOpts(ma.schema.SchemaOpts):
-    def __init__(self, meta):
-        super(PageSchemaOpts, self).__init__(meta)
+    def __init__(self, meta, ordered=False):
+        super(PageSchemaOpts, self).__init__(meta, ordered=ordered)
         self.results_schema_class = getattr(meta, 'results_schema_class', None)
         self.results_field_name = getattr(meta, 'results_field_name', 'results')
         self.results_schema_options = getattr(meta, 'results_schema_options', {})
@@ -29,6 +29,7 @@ class BaseInfoSchema(ma.Schema):
     count = ma.fields.Integer()
     pages = ma.fields.Integer()
     per_page = ma.fields.Integer()
+    is_count_exact = ma.fields.Boolean()
 
 class OffsetInfoSchema(BaseInfoSchema):
     page = ma.fields.Integer()

setup.py

@@ -6,8 +6,8 @@
 
 
 REQUIRES = [
-    'marshmallow>=2.0.0b1',
-    'marshmallow-sqlalchemy>=0.4.1',
+    'marshmallow>=3.0.0',
+    'marshmallow-sqlalchemy>=0.16.4',
 ]