Added util.py, includes source directory import and TestWrapper class.

util.py

@@ -0,0 +1,80 @@
+# Enter your source directory between the quotes here
+SOURCE_DIRECTORY = ''
+
+assert not SOURCE_DIRECTORY == '', 'SOURCE_DIRECTORY not configured'
+
+print("Source directory configured as {}".format(SOURCE_DIRECTORY))
+
+import sys
+sys.path.insert(0, SOURCE_DIRECTORY + '/test/functional')
+
+#############################################################################
+
+import argparse
+import os
+
+from test_framework.test_framework import BitcoinTestFramework
+
+# TestWrapper utility class.
+class TestWrapper(BitcoinTestFramework):
+    """Wrapper Class for BitcoinTestFramework.
+
+    Provides the BitcoinTestFramework rpc & daemon process management
+    functionality to external python projects."""
+
+    def set_test_params(self):
+        # This can be overriden in setup() parameter.
+        self.num_nodes=3
+
+    def run_test(self):
+        pass
+
+    def setup(self,
+        bitcoind=os.path.abspath(SOURCE_DIRECTORY +  "/src/bitcoind"),
+        bitcoincli=None,
+        setup_clean_chain=True,
+        num_nodes=3,
+        network_thread=None,
+        rpc_timeout=60,
+        supports_cli=False,
+        bind_to_localhost_only=True,
+        nocleanup=False,
+        noshutdown=False,
+        cachedir=os.path.abspath(SOURCE_DIRECTORY + "/test/cache"),
+        tmpdir=None,
+        loglevel='INFO',
+        trace_rpc=False,
+        port_seed=os.getpid(),
+        coveragedir=None,
+        configfile=os.path.abspath(SOURCE_DIRECTORY + "/test/config.ini"),
+        pdbonfailure=False,
+        usecli = False,
+        perf = False,
+        randomseed = None):
+
+        self.setup_clean_chain = setup_clean_chain
+        self.num_nodes = num_nodes
+        self.network_thread = network_thread
+        self.rpc_timeout = rpc_timeout
+        self.supports_cli = supports_cli
+        self.bind_to_localhost_only = bind_to_localhost_only
+
+        self.options = argparse.Namespace
+        self.options.nocleanup = nocleanup
+        self.options.noshutdown = noshutdown
+        self.options.cachedir = cachedir
+        self.options.tmpdir = tmpdir
+        self.options.loglevel = loglevel
+        self.options.trace_rpc = trace_rpc
+        self.options.port_seed = port_seed
+        self.options.coveragedir = coveragedir
+        self.options.configfile = configfile
+        self.options.pdbonfailure = pdbonfailure
+        self.options.usecli = usecli
+        self.options.perf = perf
+        self.options.randomseed = randomseed
+
+        self.options.bitcoind = bitcoind
+        self.options.bitcoincli = bitcoincli
+
+        super(TestWrapper,self).setup()