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| author | Simon Robertshaw <simon@hardwired.org.uk> | 2011-10-26 13:50:50 (GMT) |
|---|---|---|
| committer | Simon Robertshaw <simon@hardwired.org.uk> | 2011-10-26 13:50:50 (GMT) |
| commit | e46ef289e142982d7bd592faa7b0f85470364c01 (patch) | |
| tree | cda253e03788f7db0a7cdcd05662f66b4455e298 /src/python/stdlib/test/crashers/gc_inspection.py | |
| parent | d0d0d62bbcbb5c3417f8cba419c83bac192ea985 (diff) | |
| download | powder-e46ef289e142982d7bd592faa7b0f85470364c01.zip powder-e46ef289e142982d7bd592faa7b0f85470364c01.tar.gz | |
Remove Python console stuff
Diffstat (limited to 'src/python/stdlib/test/crashers/gc_inspection.py')
| -rw-r--r-- | src/python/stdlib/test/crashers/gc_inspection.py | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/src/python/stdlib/test/crashers/gc_inspection.py b/src/python/stdlib/test/crashers/gc_inspection.py deleted file mode 100644 index 10caa79..0000000 --- a/src/python/stdlib/test/crashers/gc_inspection.py +++ /dev/null @@ -1,32 +0,0 @@ -""" -gc.get_referrers() can be used to see objects before they are fully built. - -Note that this is only an example. There are many ways to crash Python -by using gc.get_referrers(), as well as many extension modules (even -when they are using perfectly documented patterns to build objects). - -Identifying and removing all places that expose to the GC a -partially-built object is a long-term project. A patch was proposed on -SF specifically for this example but I consider fixing just this single -example a bit pointless (#1517042). - -A fix would include a whole-scale code review, possibly with an API -change to decouple object creation and GC registration, and according -fixes to the documentation for extension module writers. It's unlikely -to happen, though. So this is currently classified as -"gc.get_referrers() is dangerous, use only for debugging". -""" - -import gc - - -def g(): - marker = object() - yield marker - # now the marker is in the tuple being constructed - [tup] = [x for x in gc.get_referrers(marker) if type(x) is tuple] - print tup - print tup[1] - - -tuple(g()) |
