[tor-commits] [ooni-probe/master] * Added Arturo's hacks.py back in, because it accidentally did not get added.

[isis@xxxxxxxxxxxxxx]

commit 05dd861653a8db58f769cb6623ca369a834d3f13
Author: Isis Lovecruft <isis@xxxxxxxxxxxxxx>
Date:   Wed Oct 3 11:24:24 2012 +0000

    * Added Arturo's hacks.py back in, because it accidentally did not get added.
    * Fixed the environment setting in bin/ooniprobe wrapper.
    * WHY NO MORE ASCIIART?!?!?! WTF?!?!
---
 bin/ooniprobe       |    2 +-
 ooni/utils/hacks.py |   53 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 1 deletions(-)

diff --git a/bin/ooniprobe b/bin/ooniprobe
index c653756..4e400ce 100755
--- a/bin/ooniprobe
+++ b/bin/ooniprobe
@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python
 # -*- encoding: utf-8 -*-
 #
 # startup script based on twisted trial
diff --git a/ooni/utils/hacks.py b/ooni/utils/hacks.py
new file mode 100644
index 0000000..5ef7c8b
--- /dev/null
+++ b/ooni/utils/hacks.py
@@ -0,0 +1,53 @@
+import copy_reg
+
+def patched_reduce_ex(self, proto):
+    """
+    This is a hack to overcome a bug in one of pythons core functions. It is
+    located inside of copy_reg and is called _reduce_ex.
+
+    Some background on the issue can be found here:
+    http://stackoverflow.com/questions/569754/how-to-tell-for-which-object-attribute-pickle
+    http://stackoverflow.com/questions/2049849/why-cant-i-pickle-this-object
+
+    There was also an open bug on the pyyaml trac repo, but it got closed because
+    they could not reproduce.
+    http://pyyaml.org/ticket/190
+
+    It turned out to be easier to patch the python core library than to monkey
+    patch yaml.
+
+    XXX see if there is a better way. sigh...
+    """
+    _HEAPTYPE = 1<<9
+    assert proto < 2
+    for base in self.__class__.__mro__:
+        if hasattr(base, '__flags__') and not base.__flags__ & _HEAPTYPE:
+            break
+    else:
+        base = object # not really reachable
+    if base is object:
+        state = None
+    elif base is int:
+        state = None
+    else:
+        if base is self.__class__:
+            raise TypeError, "can't pickle %s objects" % base.__name__
+        state = base(self)
+    args = (self.__class__, base, state)
+    try:
+        getstate = self.__getstate__
+    except AttributeError:
+        if getattr(self, "__slots__", None):
+            raise TypeError("a class that defines __slots__ without "
+                            "defining __getstate__ cannot be pickled")
+        try:
+            dict = self.__dict__
+        except AttributeError:
+            dict = None
+    else:
+        dict = getstate()
+    if dict:
+        return copy_reg._reconstructor, args, dict
+    else:
+        return copy_reg._reconstructor, args
+



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