Mercurial > repos > trinity_ctat > align_and_estimate_abundance
annotate trinityToolWrapper.py @ 10:a8fa525a2f30 draft
Trying to fix a syntax error.
author | trinity_ctat |
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date | Tue, 26 Sep 2017 22:26:13 -0400 |
parents | b6152cc26ffd |
children | 2e0e45063fad |
rev | line source |
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0 | 1 #!/usr/bin/env python |
2 | |
3 | |
4 # borrowed from: http://wiki.g2.bx.psu.edu/Future/Job%20Failure%20When%20stderr and modified for use with Trinity tools. | |
5 | |
6 """ | |
7 Wrapper that execute a program and its arguments but reports standard error | |
8 messages only if the program exit status was not 0 | |
9 Example: ./stderr_wrapper.py myprog arg1 -f arg2 | |
10 """ | |
11 | |
12 import sys, subprocess, os | |
13 | |
14 assert sys.version_info[:2] >= ( 2, 4 ) | |
15 | |
16 TRINITY_BASE_DIR = "" | |
17 if os.environ.has_key('TRINITY_HOME'): | |
18 TRINITY_BASE_DIR = os.environ['TRINITY_HOME']; | |
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19 elif hasattr(os, 'symlink'): # symlink was implemented to always return false when it was not implemented in earlier versions. |
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20 # 2017-09-26 |
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21 # Cicada Dennis added looking for the location of the Trinity program using the Unix "which" utility. |
0 | 22 # I tried using "command -v Trinity" but for some reason, I was getting a OS permission error with that. |
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23 # I just found distutils.spawn.find_executable() which might work, but already implemented the below. |
0 | 24 try: |
25 pipe1 = subprocess.Popen(["which", "Trinity"], stdout=subprocess.PIPE) | |
26 except: | |
10 | 27 msg = "You must set the environmental variable TRINITY_HOME to the base installation directory of Trinity before running {:s}.\n".format(sys.argv[0]) |
8 | 28 sys.stderr.write(msg) |
9 | 29 # t, v, tb = sys.exc_info() |
30 # raise t, v, tb | |
31 # For some reason the above was giving a syntax error. | |
10 | 32 # A simple raise should reraise the existing exception. |
9 | 33 raise |
0 | 34 else: |
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35 TrinityPath, err_info = pipe1.communicate() |
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36 # FIX - probably should be checking err_info for errors... |
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37 # Determine the TRINITY_BASE_DIR from output1. |
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38 # If TrinityPath is a link, we need to dereference the link. |
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39 TrinityPath = TrinityPath.rstrip() # Need to strip off a newline. |
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40 # print "Trinity that was found is: {:s}".format(repr(TrinityPath)) |
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41 # print os.path.islink(TrinityPath) |
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42 TrinityPath = os.path.abspath(TrinityPath) |
10 | 43 # msg = "The Absolute Trinity path that was found is: {:s}".format(TrinityPath) |
44 # print msg | |
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45 # print os.path.islink(TrinityPath) |
4 | 46 while os.path.islink(TrinityPath): |
10 | 47 # print "That path is a link." |
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48 TrinityPath = os.path.join(os.path.dirname(TrinityPath),os.readlink(TrinityPath)) |
10 | 49 # print "The new path is: {:s}".format(TrinityPath) |
0 | 50 # Take off the last part of the path (which is the Trinity command) |
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51 TRINITY_BASE_DIR = "/".join(TrinityPath.split("/")[0:-1]) |
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52 else: |
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53 sys.stderr.write("Either set TRINITY_HOME to the trinity base directory, or ensure that directory is in the PATH before running.") |
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54 sys.exit() |
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55 |
0 | 56 |
57 # get bindir | |
58 bindir = sys.argv[0] | |
59 bindir = bindir.split("/") | |
60 if len(bindir) > 1: | |
61 bindir.pop() | |
62 bindir = "/".join(bindir) | |
63 else: | |
64 bindir = "." | |
65 | |
66 | |
67 ## add locations of tools to path setting. | |
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68 #TOOL_PATHS_FILE = bindir + "/__add_to_PATH_setting.txt"; |
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69 #for line in open(TOOL_PATHS_FILE): |
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70 # line = line.rstrip() |
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71 # os.environ['PATH'] += ":" + line |
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72 |
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73 # Add TrinityPath and its utils to the PATH environment variable. |
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74 # print "Initially the PATH env variable is:\n\t{:s}".format(os.environ['PATH']) |
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75 os.environ['PATH'] = os.environ['PATH'] + ":{:s}:{:s}".format(TRINITY_BASE_DIR,TRINITY_BASE_DIR+"/util") |
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76 # print "Now the PATH env variable is:\n\t{:s}".format(os.environ['PATH']) |
0 | 77 |
78 | |
79 def stop_err( msg ): | |
80 sys.stderr.write( "%s\n" % msg ) | |
81 sys.exit() | |
82 | |
83 def __main__(): | |
84 # Get command-line arguments | |
85 args = sys.argv | |
86 # Remove name of calling program, i.e. ./stderr_wrapper.py | |
87 args.pop(0) | |
88 # If there are no arguments left, we're done | |
89 if len(args) == 0: | |
90 return | |
91 | |
92 # If one needs to silence stdout | |
93 #args.append( ">" ) | |
94 #args.append( "/dev/null" ) | |
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95 print "The TRINITY_BASE_DIR is:\n\t{:s}".format(TRINITY_BASE_DIR) |
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96 print "The PATH env variable is:\n\t{:s}".format(os.environ['PATH']) |
0 | 97 |
98 args[0] = "".join([TRINITY_BASE_DIR, '/', args[0]]); | |
99 | |
100 cmdline = " ".join(args) | |
101 | |
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102 print "The command being invoked is:\n\t{:s}".format(cmdline) |
0 | 103 |
104 | |
105 try: | |
106 # Run program | |
107 err_capture = open("stderr.txt", 'w') | |
108 proc = subprocess.Popen( args=cmdline, shell=True, stderr=err_capture, stdout=sys.stdout ) | |
109 returncode = proc.wait() | |
110 err_capture.close() | |
111 | |
112 | |
113 if returncode != 0: | |
114 raise Exception | |
115 | |
116 except Exception: | |
117 # Running Grinder failed: write error message to stderr | |
118 err_text = open("stderr.txt").readlines() | |
119 stop_err( "ERROR:\n" + "\n".join(err_text)) | |
120 | |
121 | |
122 if __name__ == "__main__": __main__() |