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Commit ec97cd4a authored by arnaud's avatar arnaud
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Create a common tool for ocarina Python to takle error

parent 57349d3c
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resources/runtime/python/ocarina.py
View file @ ec97cd4a
......@@ -16,13 +16,8 @@ try:
import libocarina_python # Ocarina bindings
import ocarina_me_aadl_aadl_instances_nodes as AIN
import ocarina_me_aadl_aadl_tree_nodes as ATN
import sys
import StringIO
from contextlib import contextmanager
import ctypes
from ocarina_common_tools import *
import io
import os
import tempfile
except ImportError:
pass
......@@ -689,111 +684,3 @@ def getRoot ():
raisedError.append(stderrMsg[1])
return [ res , info.getvalue().decode('utf-8'), stderrMsg[0] ,
raisedError ]
################################################################################
def getErrorMessage ():
'''Get the error message from the raised error
'''
keep = False
msg = ''
for line in StringIO.StringIO(sys.exc_info()[1]):
if line.lower().startswith('message:'):
keep = True
if line.lower().startswith('call stack traceback locations:'):
break
if keep:
msg = msg + line[9:] + '\n'
return msg
################################################################################
def sortStderrMessages (messages):
'''Get the error and warning messages from the stderr
:param messages: the messages written on stderr
return a pair of the form [ warnings , errors ]
'''
msgType = 'error'
warningMsg = ''
errorMsg = ''
warningMsgList = []
errorMsgList = []
for line in StringIO.StringIO(messages):
if line.lower().startswith('error:'):
if warningMsg.strip()!='':
warningMsgList.append(warningMsg.strip())
warningMsg = ''
if errorMsg.strip()!='':
errorMsgList.append(errorMsg.strip())
errorMsg = ''
msgType = 'error'
errorMsg = warningMsg + line[7:] + '\n'
elif line.lower().startswith('warning:'):
if warningMsg.strip()!='':
warningMsgList.append(warningMsg.strip())
warningMsg = ''
if errorMsg.strip()!='':
errorMsgList.append(errorMsg.strip())
errorMsg = ''
msgType = 'warning'
warningMsg = warningMsg + line[9:] + '\n'
else:
if msgType == 'warning':
warningMsg = warningMsg + line + '\n'
elif msgType == 'error':
errorMsg = errorMsg + line + '\n'
if warningMsg.strip()!='':
warningMsgList.append(warningMsg.strip())
if errorMsg.strip()!='':
errorMsgList.append(errorMsg.strip())
return [ warningMsgList , errorMsgList ]
################################################################################
@contextmanager
def std_redirector(stdoutStream, stderrStream):
libc = ctypes.CDLL(None)
c_stdout = ctypes.c_void_p.in_dll(libc, 'stdout')
c_stderr = ctypes.c_void_p.in_dll(libc, 'stderr')
original_stdout_fd = sys.stdout.fileno()
original_stderr_fd = sys.stderr.fileno()
def _redirect_stdout(to_fd):
libc.fflush(c_stdout)
sys.stdout.close()
os.dup2(to_fd, original_stdout_fd)
sys.stdout = os.fdopen(original_stdout_fd, 'wb')
def _redirect_stderr(to_fd):
libc.fflush(c_stderr)
sys.stderr.close()
os.dup2(to_fd, original_stderr_fd)
sys.stderr = os.fdopen(original_stderr_fd, 'wb')
saved_stdout_fd = os.dup(original_stdout_fd)
saved_stderr_fd = os.dup(original_stderr_fd)
try:
stdoutfile = tempfile.TemporaryFile(mode='w+b')
_redirect_stdout(stdoutfile.fileno())
stderrfile = tempfile.TemporaryFile(mode='w+b')
_redirect_stderr(stderrfile.fileno())
yield
_redirect_stdout(saved_stdout_fd)
_redirect_stderr(saved_stderr_fd)
stdoutfile.flush()
stdoutfile.seek(0, io.SEEK_SET)
stdoutStream.write(stdoutfile.read())
stderrfile.flush()
stderrfile.seek(0, io.SEEK_SET)
stderrStream.write(stderrfile.read())
finally:
stdoutfile.close()
os.close(saved_stdout_fd)
stderrfile.close()
os.close(saved_stderr_fd)
resources/runtime/python/ocarina_common_tools.py 0 → 100755
View file @ ec97cd4a
#! /usr/bin/python
'''
:mod:`ocarina_common_tools` -- Tools used by Python binding
to the Ocarina AADL processor
==============================================================
.. moduleauthor:: Jerome Hugues, Arnaud Schach
This module provides tools to be used by the Python scripts
form the Python binding to the Ocarina AADL processor.
'''
################################################################################
try:
import sys
import StringIO
from contextlib import contextmanager
import ctypes
import io
import os
import tempfile
except ImportError:
pass
################################################################################
def getErrorMessage ():
'''Get the error message from the raised error
'''
keep = False
msg = ''
for line in StringIO.StringIO(sys.exc_info()[1]):
if line.lower().startswith('message:'):
keep = True
if line.lower().startswith('call stack traceback locations:'):
break
if keep:
msg = msg + line[9:] + '\n'
return msg
################################################################################
def sortStderrMessages (messages):
'''Get the error and warning messages from the stderr
:param messages: the messages written on stderr
return a pair of the form [ warnings , errors ]
'''
msgType = 'error'
warningMsg = ''
errorMsg = ''
warningMsgList = []
errorMsgList = []
for line in StringIO.StringIO(messages):
if line.lower().startswith('error:'):
if warningMsg.strip()!='':
warningMsgList.append(warningMsg.strip())
warningMsg = ''
if errorMsg.strip()!='':
errorMsgList.append(errorMsg.strip())
errorMsg = ''
msgType = 'error'
errorMsg = warningMsg + line[7:] + '\n'
elif line.lower().startswith('warning:'):
if warningMsg.strip()!='':
warningMsgList.append(warningMsg.strip())
warningMsg = ''
if errorMsg.strip()!='':
errorMsgList.append(errorMsg.strip())
errorMsg = ''
msgType = 'warning'
warningMsg = warningMsg + line[9:] + '\n'
else:
if msgType == 'warning':
warningMsg = warningMsg + line + '\n'
elif msgType == 'error':
errorMsg = errorMsg + line + '\n'
if warningMsg.strip()!='':
warningMsgList.append(warningMsg.strip())
if errorMsg.strip()!='':
errorMsgList.append(errorMsg.strip())
return [ warningMsgList , errorMsgList ]
################################################################################
@contextmanager
def std_redirector(stdoutStream, stderrStream):
libc = ctypes.CDLL(None)
c_stdout = ctypes.c_void_p.in_dll(libc, 'stdout')
c_stderr = ctypes.c_void_p.in_dll(libc, 'stderr')
original_stdout_fd = sys.stdout.fileno()
original_stderr_fd = sys.stderr.fileno()
def _redirect_stdout(to_fd):
libc.fflush(c_stdout)
sys.stdout.close()
os.dup2(to_fd, original_stdout_fd)
sys.stdout = os.fdopen(original_stdout_fd, 'wb')
def _redirect_stderr(to_fd):
libc.fflush(c_stderr)
sys.stderr.close()
os.dup2(to_fd, original_stderr_fd)
sys.stderr = os.fdopen(original_stderr_fd, 'wb')
saved_stdout_fd = os.dup(original_stdout_fd)
saved_stderr_fd = os.dup(original_stderr_fd)
try:
stdoutfile = tempfile.TemporaryFile(mode='w+b')
_redirect_stdout(stdoutfile.fileno())
stderrfile = tempfile.TemporaryFile(mode='w+b')
_redirect_stderr(stderrfile.fileno())
yield
_redirect_stdout(saved_stdout_fd)
_redirect_stderr(saved_stderr_fd)
stdoutfile.flush()
stdoutfile.seek(0, io.SEEK_SET)
stdoutStream.write(stdoutfile.read())
stderrfile.flush()
stderrfile.seek(0, io.SEEK_SET)
stderrStream.write(stderrfile.read())
finally:
stdoutfile.close()
os.close(saved_stdout_fd)
stderrfile.close()
os.close(saved_stderr_fd)
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