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1 # |
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2 # Copyright (c) 2008-2018 Thierry Florac <tflorac AT ulthar.net> |
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3 # All Rights Reserved. |
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4 # |
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5 # This software is subject to the provisions of the Zope Public License, |
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6 # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. |
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7 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED |
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8 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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9 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS |
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10 # FOR A PARTICULAR PURPOSE. |
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11 # |
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12 |
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13 __docformat__ = 'restructuredtext' |
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14 |
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15 import socket |
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16 |
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17 |
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18 def is_port_in_use(port, hostname='localhost'): |
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19 """Check if given port is already used locally""" |
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20 with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s: |
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21 return s.connect_ex((hostname, port)) == 0 |