def get(cls, card):
"""
the idea is that for each land you play of the appropriate type
you have a mana, and it gets cheaper. This is most common in pauper
cubes and it often gets laid out on curve as the player has all basics
of the appropriate type.
"""
affinity_for_basic_land_match = re.search(
"Affinity for (Island|Plains|Mountains|Forests|Swamps)", card.text
)
if affinity_for_basic_land_match:
land_cared_about = affinity_for_basic_land_match.group(1)
land_color = estimate_colors_from_lands([land_cared_about])
heuristic = dict(
converted_mana_cost=int(
ceil(float(card.converted_mana_cost) / 2)
)
)
if land_color != card.colors:
heuristic['colors'] = land_color | card.colors
return {
cls.key: heuristic
}
def get_colors_from_found_lands(cls, search_string, text):
"""
return the colors associated with lands found in the text
:param search_string: the regex match that you expect has one or more
instances of a basic land types
:param text: the text to search from
:return: the associated colors
:rtype: set
"""
match = re.search(search_string, text, re.I | re.DOTALL)
if not match:
return set()
return estimate_colors_from_lands(
cls.find_all(cls.all_land_names, match.group())
)
