changeset 15:6b72a97471c6 draft

Uploaded

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/trinityToolWrapper.py	Wed Sep 23 15:25:19 2015 -0400
@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+
+
+# borrowed from: http://wiki.g2.bx.psu.edu/Future/Job%20Failure%20When%20stderr and modified for use with Trinity tools.
+
+"""
+Wrapper that execute a program and its arguments but reports standard error
+messages only if the program exit status was not 0
+Example: ./stderr_wrapper.py myprog arg1 -f arg2
+"""
+
+import sys, subprocess, os
+
+assert sys.version_info[:2] >= ( 2, 4 )
+
+TRINITY_BASE_DIR = ""
+if os.environ.has_key('TRINITY_HOME'):
+    TRINITY_BASE_DIR = os.environ['TRINITY_HOME'];
+else:
+    sys.stderr.write("You must set the environmental variable TRINITY_BASE_DIR to the base installation directory of Trinity before running this");
+    sys.exit()
+
+
+
+# get bindir
+bindir = sys.argv[0]
+bindir = bindir.split("/")
+if len(bindir) > 1:
+    bindir.pop()
+    bindir = "/".join(bindir)
+else:
+    bindir = "."
+
+
+## add locations of tools to path setting.
+TOOL_PATHS_FILE = bindir + "/__add_to_PATH_setting.txt";
+for line in open(TOOL_PATHS_FILE):
+    line = line.rstrip()
+    os.environ['PATH'] += ":" + line
+
+
+def stop_err( msg ):
+    sys.stderr.write( "%s\n" % msg )
+    sys.exit()
+
+def __main__():
+    # Get command-line arguments
+    args = sys.argv
+    # Remove name of calling program, i.e. ./stderr_wrapper.py
+    args.pop(0)
+    # If there are no arguments left, we're done
+    if len(args) == 0:
+        return
+
+    # If one needs to silence stdout 
+    #args.append( ">" )
+    #args.append( "/dev/null" )
+
+    args[0] = "".join([TRINITY_BASE_DIR, '/', args[0]]);
+
+    cmdline = " ".join(args)
+
+    
+
+    try:
+        # Run program
+        err_capture = open("stderr.txt", 'w')
+        proc = subprocess.Popen( args=cmdline, shell=True, stderr=err_capture, stdout=sys.stdout )
+        returncode = proc.wait()
+        err_capture.close()
+
+        
+        if returncode != 0:
+            raise Exception
+
+    except Exception:
+        # Running Grinder failed: write error message to stderr
+        err_text = open("stderr.txt").readlines()
+        stop_err( "ERROR:\n" + "\n".join(err_text))
+
+
+if __name__ == "__main__": __main__()