46 lines
1.1 KiB
Python
46 lines
1.1 KiB
Python
from lbrynet.core.Error import NegotiationError
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class Offer(object):
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"""
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A rate offer to download blobs from a host
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"""
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RATE_ACCEPTED = "RATE_ACCEPTED"
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RATE_TOO_LOW = "RATE_TOO_LOW"
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RATE_UNSET = "RATE_UNSET"
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def __init__(self, offer):
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self._state = None
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self.rate = None
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if isinstance(offer, float):
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self.rate = round(offer, 5)
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elif offer == Offer.RATE_ACCEPTED:
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self.accept()
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elif offer == Offer.RATE_TOO_LOW:
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self.reject()
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@property
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def accepted(self):
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return self._state is Offer.RATE_ACCEPTED
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@property
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def too_low(self):
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return self._state is Offer.RATE_TOO_LOW
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@property
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def message(self):
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if self.accepted:
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return Offer.RATE_ACCEPTED
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elif self.too_low:
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return Offer.RATE_TOO_LOW
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elif self.rate is None:
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return Offer.RATE_UNSET
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def accept(self):
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if self._state is None:
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self._state = Offer.RATE_ACCEPTED
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def reject(self):
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if self._state is None:
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self._state = Offer.RATE_TOO_LOW
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