Moved the pagination and the page number out of range error from the accounting application to the Mia core application.

accounting/utils.py

@@ -38,43 +38,3 @@ class PeriodParser:
         self.end = period_spec + "-30"
 
 
-class Pagination:
-    """The pagination.
-
-    Args:
-        count (int): The total number of records
-        page_no (int): The specified page number
-        page_size (int): The specified number of records per page
-        is_reverse (bool): Whether we should display the last
-                           page first
-
-    Raises:
-        PageNoOutOfRangeError: if the specified page number is out
-            of range or is redundant.
-
-    Attributes:
-        page_no (int): The current page number
-        page_size (int): The page size
-    """
-    page_no = None
-    page_size = None
-
-    DEFAULT_PAGE_SIZE = 10
-
-    def __init__(self, count, page_no, page_size, is_reverse=False):
-        self.page_size = page_size \
-            if page_size is not None \
-            else self.DEFAULT_PAGE_SIZE
-        total_pages = int((count - 1) / self.page_size) + 1
-        default_page = 1 if not is_reverse else total_pages
-        if page_no == default_page:
-            raise PageNoOutOfRangeError()
-        self.page_no = page_no \
-            if page_no is not None \
-            else default_page
-        if self.page_no > total_pages:
-            raise PageNoOutOfRangeError()
-
-
-class PageNoOutOfRangeError(Exception):
-    pass

accounting/views.py

@@ -28,11 +28,11 @@ from django.views import generic
 from django.views.decorators.http import require_GET
 
 from accounting.models import Record
-from accounting.utils import PeriodParser, Pagination, \
-    PageNoOutOfRangeError
+from accounting.utils import PeriodParser
 from mia import settings
 from mia_core.digest_auth import digest_login_required
-from mia_core.utils import UrlBuilder
+from mia_core.utils import UrlBuilder, Pagination, \
+    PageNoOutOfRangeError
 
 
 @require_GET

mia_core/utils.py

@@ -125,3 +125,45 @@ class UrlBuilder:
             return "%s=%s" % (
                 urllib.parse.quote(self.name),
                 urllib.parse.quote(self.value))
+
+
+class Pagination:
+    """The pagination.
+
+    Args:
+        count (int): The total number of records
+        page_no (int): The specified page number
+        page_size (int): The specified number of records per page
+        is_reverse (bool): Whether we should display the last
+                           page first
+
+    Raises:
+        PageNoOutOfRangeError: if the specified page number is out
+            of range or is redundant.
+
+    Attributes:
+        page_no (int): The current page number
+        page_size (int): The page size
+    """
+    page_no = None
+    page_size = None
+
+    DEFAULT_PAGE_SIZE = 10
+
+    def __init__(self, count, page_no, page_size, is_reverse=False):
+        self.page_size = page_size \
+            if page_size is not None \
+            else self.DEFAULT_PAGE_SIZE
+        total_pages = int((count - 1) / self.page_size) + 1
+        default_page = 1 if not is_reverse else total_pages
+        if page_no == default_page:
+            raise PageNoOutOfRangeError()
+        self.page_no = page_no \
+            if page_no is not None \
+            else default_page
+        if self.page_no > total_pages:
+            raise PageNoOutOfRangeError()
+
+
+class PageNoOutOfRangeError(Exception):
+    pass