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waf/waflib/extras/run_m_script.py
2012-04-05 22:10:08 +02:00

65 lines
2.2 KiB
Python

#!/usr/bin/env python
# encoding: utf-8
# Hans-Martin von Gaudecker, 2012
"""
Run a Matlab script.
Note that the script is run in the directory where it lives -- Matlab won't
allow it any other way.
For error-catching purposes, keep an own log-file that is destroyed if the
task finished without error. If not, it will show up as mscript_HASH.log
in the bldnode directory.
"""
import os, re, sys
from waflib import Task, TaskGen, Logs
MATLAB_COMMANDS = ['matlab']
def configure(ctx):
ctx.find_program(['matlab'], var='MATLABCMD', errmsg = """\n
No Matlab executable found!\n
If Matlab is needed:
1) Check the settings of your system path.
2) Note we are looking for Matlab executables called: %s
If yours has a different name, please report to hmgaudecker [at] gmail\n
Else: Do not load the 'run_m_script' tool in the main wscript.\n\n""" % MATLAB_COMMANDS)
ctx.env.MATLABFLAGS = '-wait -nojvm -nosplash -minimize'
@Task.update_outputs
class RunMScript(Task.Task):
"""Run a Matlab script."""
run_str = '"${MATLABCMD}" ${MATLABFLAGS} -logfile "${LOGFILEPATH}" -r "try, ${MSCRIPTTRUNK}, exit(0), catch err, err.getReport(), exit(1), end"'
shell = True
@TaskGen.feature('run_m_script')
@TaskGen.before_method('process_source')
def apply_run_m_script(tg):
"""Task generator, customising the options etc. to call Matlab in batch
mode for running a m-script.
The function is passed a waflib.TaskGen.task_gen object.
"""
# Convert sources and targets to nodes
src_node = tg.path.find_resource(tg.source)
tgt_nodes = [tg.path.find_or_declare(t) for t in tg.to_list(tg.target)]
tsk = tg.create_task('RunMScript', src=src_node, tgt=tgt_nodes)
tsk.cwd = src_node.parent.abspath()
tsk.env.MSCRIPTTRUNK = os.path.splitext(src_node.name)[0]
tsk.env.LOGFILEPATH = os.path.join(tg.bld.bldnode.abspath(), '%s_%d.log' % (tsk.env.MSCRIPTTRUNK, tg.idx))
# dependencies (if the attribute 'deps' changes, trigger a recompilation)
for x in tg.to_list(getattr(tg, 'deps', [])):
node = tg.path.find_resource(x)
if not node:
tg.fatal('Could not find %r (was it declared?)' % x)
tg.node_deps.append(node)
# Bypass the execution of process_source by setting the source to an empty list
tg.source = []