core_shell_microgelscostrafo411magnetic_modelrelease_v0.94release_v0.95ticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
Last change
on this file since f224873 was
9e430d0,
checked in by Paul Kienzle <pkienzle@…>, 9 years ago
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move exception annotation into its own module
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-
Property mode set to
100644
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File size:
828 bytes
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Line | |
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1 | """ |
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2 | Utility to add annotations to python exceptions. |
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3 | """ |
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4 | |
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5 | def annotate_exception(exc, msg): |
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6 | """ |
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7 | Add an annotation to the current exception, which can then be forwarded |
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8 | to the caller using a bare "raise" statement to reraise the annotated |
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9 | exception. |
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10 | Example:: |
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11 | >>> D = {} |
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12 | >>> try: |
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13 | ... print D['hello'] |
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14 | ... except Exception,exc: |
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15 | ... annotate_exception(exc, "while accessing 'D'") |
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16 | ... raise |
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17 | Traceback (most recent call last): |
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18 | ... |
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19 | KeyError: "hello while accessing 'D'" |
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20 | """ |
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21 | args = exc.args |
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22 | if not args: |
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23 | exc.args = (msg,) |
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24 | else: |
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25 | try: |
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26 | arg0 = " ".join((args[0],msg)) |
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27 | exc.args = tuple([arg0] + list(args[1:])) |
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28 | except: |
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29 | exc.args = (" ".join((str(exc),msg)),) |
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30 | |
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