64 lines
1.6 KiB
Python
64 lines
1.6 KiB
Python
from papiezator.models import Pope, PerfectPope, decimal_places
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from papiezator.exceptions import ENOPopeException
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from PIL import Image
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from io import BytesIO # FIXME:
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def select_best_pope(aspect_ratio):
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""" (float) -> Pope
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"""
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pp = PerfectPope.objects.filter(aspect_ratio=aspect_ratio)
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if pp:
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return pp[0].pope
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lte = Pope.objects.filter(aspect_ratio__lte=aspect_ratio).order_by('-aspect_ratio')[0:1]
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gte = Pope.objects.filter(aspect_ratio__gte=aspect_ratio).order_by('aspect_ratio')[0:1]
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if gte and lte:
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r_lte = abs(aspect_ratio - lte[0].aspect_ratio) # FIXME:
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r_gte = abs(aspect_ratio - gte[0].aspect_ratio)
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if r_lte >= r_gte:
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return_pope = habemus_papam(aspect_ratio, gte[0])
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else:
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return_pope = habemus_papam(aspect_ratio, lte[0])
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elif gte:
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return_pope = gte[0]
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elif lte:
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return_pope = lte[0]
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else:
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raise ENOPopeException
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return return_pope
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def habemus_papam(aspect_ratio, pope):
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pp = PerfectPope(aspect_ratio=aspect_ratio, pope=pope)
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pp.save() # FIXME:
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return pope
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def read_pope(width, height, pope):
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""" (int, int, Pope) -> bytes
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"""
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im = Image.open(pope.path)
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im = im.resize((width, height))
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f = BytesIO() # FIXME: ceriously.
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im.save(f, "jpeg")
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f.seek(0)
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return f.read()
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class PopeMaster:
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def __init__(self):
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pass
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def parse_pope(self, pope):
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im = Image.open(pope)
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width, height = im.size
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aspect_ratio = round(width/height, decimal_places)
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return Pope(path=pope, width=width, height=height, aspect_ratio=aspect_ratio)
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