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#!/usr/bin/env python
# Copyright 2004 by Michael Hoffman. All rights reserved.
# This code is part of the Biopython distribution and governed by its
# license. Please see the LICENSE file that should have been included
# as part of this package.
from Bio import MissingExternalDependencyError
import sys
if sys.platform == "win32":
# Someone needs to find out if dnal works nicely on windows,
# and if so where it is typically installed.
raise MissingExternalDependencyError(
"Don't know how to find the Wise2 tool dnal on Windows.")
from Bio._py3k import getoutput
not_found_types = ["command not found", "dnal: not found", "not recognized"]
dnal_output = getoutput("dnal")
for not_found in not_found_types:
if not_found in dnal_output:
raise MissingExternalDependencyError(
"Install Wise2 (dnal) if you want to use Bio.Wise.")
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