def estimate_colors(self, mana_cost_text, color_indicator=None):
if color_indicator is None:
color_indicator = self.color_indicator
# the argument could be made that this is "wrong" for the case of
# mismatched mana cost and color indicator. But the only example I can
# think of "Ghostfire" would probably be Red anyway
return estimate_colors(mana_cost_text) | set(color_indicator or [])
def get(cls, card):
"""
Cards that have activated abilities of different colors than their
normal mana color (if it has a color) often have designers placing them
in multicolored sections
"""
merged = merge_mana_costs(*(card.activated_ability_mana_costs or []))
activated_colors = estimate_colors(merged)
# don't handle phyrexian, that comes later
if (not any('/P' in sym for sym in merged) and
activated_colors and # there's color reqs in activation costs
activated_colors != card.colors): # and they're new
return {
cls.key: dict(colors=activated_colors | card.colors)
}
def get(cls, card):
"""
Some designers, when laying out the curves, place suspends out as if
their CMC was the suspend cost
"""
# \u2014 is the specific em-dash returned by tutor
has_suspend = re.search(u"Suspend \d+\u2014(\{.+\}) \(", card.text)
if not has_suspend:
return
mana_cost = has_suspend.group(1)
suspend_heuristic = dict(
mana_cost=mana_cost,
converted_mana_cost=estimate_cmc(mana_cost)
)
suspend_colors = estimate_colors(mana_cost)
if suspend_colors != card.colors:
suspend_heuristic['colors'] = card.colors | suspend_colors
return {cls.key: suspend_heuristic}
def get(cls, card):
"""
but for cards that have phyrexian in their activated abilities, the
re-occurring cost is a bit much to assume that you can avoid the
color requirement for
"""
phyrexian_result = _handle_phyrexian.get(card)
all_costs = merge_mana_costs(card.activated_ability_mana_costs or [])
phyrexian_symbols = [sym for sym in all_costs if '/P' in sym]
# if not, there was no phyrexian anywhere
if phyrexian_result or phyrexian_symbols:
# copy whatever they had so far
ability_result = deepcopy(
(phyrexian_result or {}).get(_handle_phyrexian.key, {})
)
if all_costs and phyrexian_symbols:
ability_result['colors'] = (
ability_result.get('colors', set()) |
estimate_colors(all_costs)
)
return {
cls.key: ability_result
}
