98 lines
2.1 KiB
Python
98 lines
2.1 KiB
Python
try:
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import io
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import sys
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except ImportError:
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print("SKIP")
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raise SystemExit
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if hasattr(sys, "print_exception"):
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print_exception = sys.print_exception
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else:
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import traceback
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print_exception = lambda e, f: traceback.print_exception(None, e, sys.exc_info()[2], file=f)
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def print_exc(e):
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buf = io.StringIO()
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print_exception(e, buf)
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s = buf.getvalue()
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for l in s.split("\n"):
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# uPy on pyboard prints <stdin> as file, so remove filename.
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if l.startswith(" File "):
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l = l.split('"')
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print(l[0], l[2])
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# uPy and CPy tracebacks differ in that CPy prints a source line for
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# each traceback entry. In this case, we know that offending line
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# has 4-space indent, so filter it out.
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elif not l.startswith(" "):
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print(l)
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# basic exception message
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try:
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raise Exception("msg")
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except Exception as e:
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print("caught")
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print_exc(e)
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# exception message with more than 1 source-code line
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def f():
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g()
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def g():
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raise Exception("fail")
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try:
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f()
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except Exception as e:
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print("caught")
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print_exc(e)
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# Test that an exception propagated through a finally doesn't have a traceback added there
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try:
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try:
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f()
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finally:
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print("finally")
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except Exception as e:
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print("caught")
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print_exc(e)
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# Test that re-raising an exception doesn't add traceback info
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try:
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try:
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f()
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except Exception as e:
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print("reraise")
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print_exc(e)
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raise
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except Exception as e:
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print("caught")
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print_exc(e)
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# Here we have a function with lots of bytecode generated for a single source-line, and
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# there is an error right at the end of the bytecode. It should report the correct line.
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def f():
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f([1, 2], [1, 2], [1, 2], {1: 1, 1: 1, 1: 1, 1: 1, 1: 1, 1: 1, 1: f.X})
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return 1
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try:
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f()
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except Exception as e:
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print_exc(e)
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# Test non-stream object passed as output object, only valid for uPy
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if hasattr(sys, "print_exception"):
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try:
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sys.print_exception(Exception, 1)
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had_exception = False
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except OSError:
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had_exception = True
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assert had_exception
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