2020-07-12 00:18:33 +02:00
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from contextvars import ContextVar
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from lbry.db import query_context
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from lbry.blockchain.lbrycrd import Lbrycrd
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_chain: ContextVar[Lbrycrd] = ContextVar('chain')
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def get_or_initialize_lbrycrd(ctx=None) -> Lbrycrd:
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chain = _chain.get(None)
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if chain is not None:
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return chain
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chain = Lbrycrd((ctx or query_context.context()).ledger)
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chain.db.sync_open()
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_chain.set(chain)
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return chain
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2020-09-16 16:37:49 +02:00
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def uninitialize():
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chain = _chain.get(None)
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if chain is not None:
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chain.db.sync_close()
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chain.sync_run(chain.close_session())
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_chain.set(None)
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