Created
September 26, 2013 10:31
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filter for annoying and worthless errors
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class Filter(object): | |
""" | |
Workaround filter for annoying and worthless errors. | |
""" | |
def __init__(self, veto_words={'ClassTable'}): | |
self.veto_words = set(veto_words) | |
self.temp = tempfile.NamedTemporaryFile() | |
def __enter__(self): | |
sys.stdout.flush() # <--- NEEDED? | |
sys.stderr.flush() # <--- NEEDED? | |
self.old_out, self.old_err = os.dup(1), os.dup(2) | |
os.dup2(self.temp.fileno(), 1) | |
os.dup2(self.temp.fileno(), 2) | |
def __exit__(self, exe_type, exe_val, tb): | |
sys.stdout.flush() # <--- NEEDED? | |
sys.stderr.flush() # <--- NEEDED? | |
os.dup2(self.old_out, 1) | |
os.dup2(self.old_err, 2) | |
self.temp.seek(0) | |
for line in self.temp: | |
veto = set(line.split()) & self.veto_words | |
if not veto: | |
sys.stderr.write(line) |
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