[qa] Add option --portseed to test_framework

qa/rpc-tests/test_framework/test_framework.py

@@ -5,10 +5,10 @@
 
 # Base class for RPC testing
 
-# Add python-bitcoinrpc to module search path:
+import logging
+import optparse
 import os
 import sys
-
 import shutil
 import tempfile
 import traceback
@@ -25,8 +25,9 @@ from .util import (
     enable_coverage,
     check_json_precision,
     initialize_chain_clean,
+    PortSeed,
 )
-from .authproxy import AuthServiceProxy, JSONRPCException
+from .authproxy import JSONRPCException
 
 
 class BitcoinTestFramework(object):
@@ -95,7 +96,6 @@ class BitcoinTestFramework(object):
         self.setup_network(False)
 
     def main(self):
-        import optparse
 
         parser = optparse.OptionParser(usage="%prog [options]")
         parser.add_option("--nocleanup", dest="nocleanup", default=False, action="store_true",
@@ -108,18 +108,21 @@ class BitcoinTestFramework(object):
                           help="Root directory for datadirs")
         parser.add_option("--tracerpc", dest="trace_rpc", default=False, action="store_true",
                           help="Print out all RPC calls as they are made")
+        parser.add_option("--portseed", dest="port_seed", default=os.getpid(), type='int',
+                          help="The seed to use for assigning port numbers (default: current process id)")
         parser.add_option("--coveragedir", dest="coveragedir",
                           help="Write tested RPC commands into this directory")
         self.add_options(parser)
         (self.options, self.args) = parser.parse_args()
 
         if self.options.trace_rpc:
-            import logging
             logging.basicConfig(level=logging.DEBUG, stream=sys.stdout)
 
         if self.options.coveragedir:
             enable_coverage(self.options.coveragedir)
 
+        PortSeed.n = self.options.port_seed
+
         os.environ['PATH'] = self.options.srcdir+":"+self.options.srcdir+"/qt:"+os.environ['PATH']
 
         check_json_precision()