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[ctml_writer] Direct error/debug messages to stderr

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Since stdout may be used for writing the actual output file, direct all error
and debug messages to stderr, so that they can be shown to the user when
ctml_writer is invoked via ct2ctml_string.
This commit is contained in:
Ray Speth 2014-03-27 01:29:39 +00:00
parent 2468b47ae7
commit 9e8ae80d2d
1 changed files with 29 additions and 23 deletions
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52
interfaces/cython/cantera/ctml_writer.py
View file

@ -20,14 +20,18 @@ from __future__ import print_function
import sys
def _printerr(*args):
# All debug and error output should go to stderr
print(*args, file=sys.stderr)
class CTI_Error(Exception):
"""Exception raised if an error is encountered while
parsing the input file.
@ingroup pygroup"""
def __init__(self, msg):
print('\n\n***** Error parsing input file *****\n\n')
print(msg)
print()
_printerr('\n\n***** Error parsing input file *****\n\n')
_printerr(msg)
_printerr()
@ -993,12 +997,13 @@ class Arrhenius(rate_expression):
"temperature exponent. Specify one or the other.")
elif n is not None and b == 0.0:
b = n
print("Warning: Usage of n to specify the temperature exponent is "
"deprecated and will be removed in a future version. Use b "
"to specify the temperature exponent by keyword. Please check "
"your cti file for places where the temperature exponent of "
"the reaction rate is set by n = XXX and change them to "
"b = XXX.")
_printerr(
"Warning: Usage of n to specify the temperature exponent is "
"deprecated and will be removed in a future version. Use b "
"to specify the temperature exponent by keyword. Please check "
"your cti file for places where the temperature exponent of "
"the reaction rate is set by n = XXX and change them to "
"b = XXX.")
self._c = [A, b, E]
self._type = rate_type
@ -1887,9 +1892,9 @@ class ideal_gas(phase):
self._kin = kinetics
self._tr = transport
if self.debug:
print('Read ideal_gas entry '+self._name)
_printerr('Read ideal_gas entry '+self._name)
try:
print('in file '+__name__)
_printerr('in file '+__name__)
except:
pass
@ -2590,6 +2595,7 @@ class Lindemann(object):
validate()
def convert(filename, outName=None):
import os
base = os.path.basename(filename)
root, _ = os.path.splitext(base)
@ -2602,16 +2608,16 @@ def convert(filename, outName=None):
# Show more context than the default SyntaxError message
# to help see problems in multi-line statements
text = open(filename, 'rU').readlines()
print('%s in "%s" on line %i:\n' % (err.__class__.__name__,
err.filename,
err.lineno))
print('| Line |')
_printerr('%s in "%s" on line %i:\n' % (err.__class__.__name__,
err.filename,
err.lineno))
_printerr('| Line |')
for i in range(max(err.lineno-6, 0),
min(err.lineno+3, len(text))):
print('| % 5i |' % (i+1), text[i].rstrip())
_printerr('| % 5i |' % (i+1), text[i].rstrip())
if i == err.lineno-1:
print(' '* (err.offset+9) + '^')
print()
_printerr(' '* (err.offset+9) + '^')
_printerr()
sys.exit(3)
except Exception as err:
import traceback
@ -2621,16 +2627,16 @@ def convert(filename, outName=None):
lineno = tb[-1][1]
if tb[-1][0] == filename:
# Error in input file
print('%s on line %i of %s:' % (err.__class__.__name__, lineno, filename))
print(err)
print('\n| Line |')
_printerr('%s on line %i of %s:' % (err.__class__.__name__, lineno, filename))
_printerr(err)
_printerr('\n| Line |')
for i in range(max(lineno-6, 0),
min(lineno+3, len(text))):
if i == lineno-1:
print('> % 4i >' % (i+1), text[i].rstrip())
_printerr('> % 4i >' % (i+1), text[i].rstrip())
else:
print('| % 4i |' % (i+1), text[i].rstrip())
_printerr('| % 4i |' % (i+1), text[i].rstrip())
else:
# Error in ctml_writer or elsewhere
traceback.print_exc()