mirror of
https://github.com/licsber/micropython.git
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566d8f1d7e
Previously, "import _io" worked on both CPython and MicroPython (essentially by a chance on CPython, as there's not guarantee that its contents will stay the same across versions), but as the module was renamed to uio, need to use more robust import sequence for compatibility.
44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
try:
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import uio as io
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except ImportError:
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import io
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import sys
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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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1/0
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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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2/0
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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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