4 files changed, 74 insertions, 0 deletions
diff --git a/97suifangqa/apps/utils/templatetags/__init__.py b/97suifangqa/apps/utils/templatetags/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/97suifangqa/apps/utils/templatetags/__init__.py
diff --git a/97suifangqa/apps/utils/templatetags/dict_get.py b/97suifangqa/apps/utils/templatetags/dict_get.py
new file mode 100644
index 0000000..49de3cd
--- /dev/null
+++ b/97suifangqa/apps/utils/templatetags/dict_get.py
@@ -0,0 +1,14 @@
+# -*- coding: utf-8 -*-
+
+from django import template
+
+register = template.Library()
+
+@register.filter
+def dict_get(dict, key):
+    """
+    filter to get the value of key in the dict:
+    return dict[key]
+    """
+    return dict.get(key)
+
diff --git a/97suifangqa/apps/utils/templatetags/divisible_by.py b/97suifangqa/apps/utils/templatetags/divisible_by.py
new file mode 100644
index 0000000..96638e7
--- /dev/null
+++ b/97suifangqa/apps/utils/templatetags/divisible_by.py
@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+
+from django import template
+
+register = template.Library()
+
+@register.filter
+def divisible_by(dividend, divisor):
+    """
+    if 'dividend' can be *exactly* divided by 'divisor',
+    return True;
+    else, return False.
+
+    input parameters:
+    dividend: <type 'int'>
+    divisor: <class 'django.utils.safestring.SafeUnicode'>
+    """
+    if not isinstance(dividend, int):
+        raise ValueError(u'Error: dividend="%s" not int type' % dividend)
+    try:
+        divisor = int(divisor)
+    except ValueError, TypeError:
+        raise ValueError(u'Error: divisor="%s" cannot convert to int'
+                % divisor)
+    #
+    if dividend % divisor == 0:
+        return True
+    else:
+        return False
+
diff --git a/97suifangqa/apps/utils/tools.py b/97suifangqa/apps/utils/tools.py
new file mode 100644
index 0000000..33cf012
--- /dev/null
+++ b/97suifangqa/apps/utils/tools.py
@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+#
+# generic tools for apps
+#
+
+
+def format_float(number):                                       # {{{
+    """
+    format the display style of a float number
+    """
+    threshold_min = 0.001
+    threshold_max = 9999.9
+    fix_fmt = '{:,.1f}'    # comma as a thousands separator
+    exp_fmt = '{:.1e}'
+    #
+    if isinstance(number, int) or isinstance(number, float):
+        #return type(number)
+        pass
+    else:
+        return False
+    #
+    if (number > threshold_max) or (number < threshold_min):
+        str = exp_fmt.format(number)
+    else:
+        str = fix_fmt.format(number)
+    #
+    return str
+# }}}
+
+