COLOR_CHOICES = (
    ('aa1409', 'Dark red'),
    ('f44336', 'Red'),
    ('e91e63', 'Pink'),
    ('ffe4e1', 'Rose'),
    ('ff66ff', 'Fuschia'),
    ('9c27b0', 'Purple'),
    ('673ab7', 'Dark purple'),
    ('3f51b5', 'Indigo'),
    ('2196f3', 'Blue'),
    ('03a9f4', 'Light blue'),
    ('00bcd4', 'Cyan'),
    ('009688', 'Teal'),
    ('00ffff', 'Aqua'),
    ('2f6a31', 'Dark green'),
    ('4caf50', 'Green'),
    ('8bc34a', 'Light green'),
    ('cddc39', 'Lime'),
    ('ffeb3b', 'Yellow'),
    ('ffc107', 'Amber'),
    ('ff9800', 'Orange'),
    ('ff5722', 'Dark orange'),
    ('795548', 'Brown'),
    ('c0c0c0', 'Light grey'),
    ('9e9e9e', 'Grey'),
    ('607d8b', 'Dark grey'),
    ('111111', 'Black'),
    ('ffffff', 'White'),
)


#
# Filter lookup expressions
#

FILTER_CHAR_BASED_LOOKUP_MAP = dict(
    n='exact',
    ic='icontains',
    nic='icontains',
    iew='iendswith',
    niew='iendswith',
    isw='istartswith',
    nisw='istartswith',
    ie='iexact',
    nie='iexact'
)

FILTER_NUMERIC_BASED_LOOKUP_MAP = dict(
    n='exact',
    lte='lte',
    lt='lt',
    gte='gte',
    gt='gt'
)

FILTER_NEGATION_LOOKUP_MAP = dict(
    n='exact'
)

FILTER_LOOKUP_HELP_TEXT_MAP = dict(
    icontains='case insensitive contains',
    iendswith='case insensitive ends with',
    istartswith='case insensitive starts with',
    iexact='case insensitive exact',
    exact='case sensitive exact',
    lt='less than',
    lte='less than or equal',
    gt='greater than',
    gte='greater than or equal',
    n='negated'
)