Refined the virtual ancestors management and the tests

author: Michele Simionato <michele.simionato@gmail.com> 2015-07-22 07:32:49 +0200
committer: Michele Simionato <michele.simionato@gmail.com> 2015-07-22 07:32:49 +0200
commit: 4b28eea14c0ab65e447cf2955c26bc9a8e5fd11b (patch)
tree: 3aabc01ff7a68063519ef60e33a23116177b6068 /documentation.pdf
parent: 10e035eaf93997a63a30687f6fe33b918714ba61 (diff)
download: python-decorator-git-4b28eea14c0ab65e447cf2955c26bc9a8e5fd11b.tar.gz
1 files changed, 1370 insertions, 1130 deletions
diff --git a/documentation.pdf b/documentation.pdf
index b4e28f8..802956a 100644
--- a/documentation.pdf
+++ b/documentation.pdf
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+BT 1 0 0 1 0 14 Tm 1.545814 Tw 12 TL /F1 10 Tf 0 0 0 rg (Notice even in Python 3.5 ) Tj /F4 10 Tf 0 0 0 rg (inspect.getargspec ) Tj /F1 10 Tf 0 0 0 rg (and ) Tj /F4 10 Tf 0 0 0 rg (inspect.getfullargspec ) Tj /F1 10 Tf 0 0 0 rg (\(which are deprecated in that) Tj T* 0 Tw (release\) will give the wrong signature.) Tj T* ET
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 BT 1 0 0 1 0 2 Tm /F1 10 Tf 12 TL (and it that it has the correct signature:) Tj T* ET
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-BT 1 0 0 1 0 38 Tm 1.471235 Tw 12 TL /F1 10 Tf 0 0 0 rg (\(see bug report ) Tj 0 0 .501961 rg (1764286 ) Tj 0 0 0 rg (for an explanation of what is happening\). Unfortunately the bug is still there,) Tj T* 0 Tw .508409 Tw (even in Python 2.7 and 3.4 \(it will be fixed for Python 3.5, thought\). There is however a workaround. The) Tj T* 0 Tw .325984 Tw (decorated function has an attribute ) Tj /F3 10 Tf 0 0 0 rg (.__wrapped__) Tj /F1 10 Tf 0 0 0 rg (, pointing to the original function. The easy way to get) Tj T* 0 Tw (the source code is to call ) Tj /F3 10 Tf 0 0 0 rg (inspect.getsource ) Tj /F1 10 Tf 0 0 0 rg (on the undecorated function:) Tj T* ET
+BT 1 0 0 1 0 38 Tm .011098 Tw 12 TL /F1 10 Tf 0 0 0 rg (\(see bug report ) Tj 0 0 .501961 rg (1764286 ) Tj 0 0 0 rg (for an explanation of what is happening\). Unfortunately the bug is still there, in all) Tj T* 0 Tw 1.33436 Tw (versions of Python except Python 3.5, which is not yet released. There is however a workaround. The) Tj T* 0 Tw .325984 Tw (decorated function has an attribute ) Tj /F3 10 Tf 0 0 0 rg (.__wrapped__) Tj /F1 10 Tf 0 0 0 rg (, pointing to the original function. The easy way to get) Tj T* 0 Tw (the source code is to call ) Tj /F3 10 Tf 0 0 0 rg (inspect.getsource ) Tj /F1 10 Tf 0 0 0 rg (on the undecorated function:) Tj T* ET
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-BT 1 0 0 1 0 110 Tm 12 TL /F5 10 Tf 0 .501961 0 rg (class) Tj /F3 10 Tf 0 0 0 rg ( ) Tj /F5 10 Tf 0 0 1 rg (TailRecursive) Tj /F3 10 Tf 0 0 0 rg (\() Tj 0 .501961 0 rg (object) Tj 0 0 0 rg (\):) Tj 0 0 0 rg  T* (    ) Tj /F6 10 Tf .729412 .129412 .129412 rg (""") Tj T* (    tail_recursive decorator based on Kay Schluehr's recipe) Tj T* (    http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/496691) Tj T* (    with improvements by me and George Sakkis.) Tj T* (    """) Tj /F3 10 Tf 0 0 0 rg  T*  T* (    ) Tj /F5 10 Tf 0 .501961 0 rg (def) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (__init__) Tj 0 0 0 rg (\() Tj 0 .501961 0 rg (self) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (func) Tj 0 0 0 rg (\):) Tj 0 0 0 rg  T* (        ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (func) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (func) Tj 0 0 0 rg  T* (        ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (firstcall) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (True) Tj 0 0 0 rg  T* ET
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-BT 1 0 0 1 0 218 Tm 12 TL /F3 10 Tf 0 0 0 rg (        ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (CONTINUE) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (object) Tj 0 0 0 rg (\(\)) Tj 0 0 0 rg (  ) Tj /F6 10 Tf .25098 .501961 .501961 rg (# sentinel) Tj /F3 10 Tf 0 0 0 rg  T*  T* (    ) Tj /F5 10 Tf 0 .501961 0 rg (def) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (__call__) Tj 0 0 0 rg (\() Tj 0 .501961 0 rg (self) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (*) Tj 0 0 0 rg (args) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (**) Tj 0 0 0 rg (kwd) Tj 0 0 0 rg (\):) Tj 0 0 0 rg  T* (        ) Tj 0 0 0 rg (CONTINUE) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (CONTINUE) Tj 0 0 0 rg  T* (        ) Tj /F5 10 Tf 0 .501961 0 rg (if) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (firstcall) Tj 0 0 0 rg (:) Tj 0 0 0 rg  T* (            ) Tj 0 0 0 rg (func) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (func) Tj 0 0 0 rg  T* (            ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (firstcall) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (False) Tj 0 0 0 rg  T* (            ) Tj /F5 10 Tf 0 .501961 0 rg (try) Tj /F3 10 Tf 0 0 0 rg (:) Tj 0 0 0 rg  T* (                ) Tj /F5 10 Tf 0 .501961 0 rg (while) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 .501961 0 rg (True) Tj 0 0 0 rg (:) Tj 0 0 0 rg  T* (                    ) Tj 0 0 0 rg (result) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (func) Tj 0 0 0 rg (\() Tj .4 .4 .4 rg (*) Tj 0 0 0 rg (args) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (**) Tj 0 0 0 rg (kwd) Tj 0 0 0 rg (\)) Tj 0 0 0 rg  T* (                    ) Tj /F5 10 Tf 0 .501961 0 rg (if) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (result) Tj 0 0 0 rg ( ) Tj /F5 10 Tf .666667 .133333 1 rg (is) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (CONTINUE) Tj 0 0 0 rg (:) Tj 0 0 0 rg (  ) Tj /F6 10 Tf .25098 .501961 .501961 rg (# update arguments) Tj /F3 10 Tf 0 0 0 rg  T* (                        ) Tj 0 0 0 rg (args) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (kwd) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (argskwd) Tj 0 0 0 rg  T* (                    ) Tj /F5 10 Tf 0 .501961 0 rg (else) Tj /F3 10 Tf 0 0 0 rg (:) Tj 0 0 0 rg (  ) Tj /F6 10 Tf .25098 .501961 .501961 rg (# last call) Tj /F3 10 Tf 0 0 0 rg  T* (                        ) Tj /F5 10 Tf 0 .501961 0 rg (return) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (result) Tj 0 0 0 rg  T* (            ) Tj /F5 10 Tf 0 .501961 0 rg (finally) Tj /F3 10 Tf 0 0 0 rg (:) Tj 0 0 0 rg  T* (                ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (firstcall) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (True) Tj 0 0 0 rg  T* (        ) Tj /F5 10 Tf 0 .501961 0 rg (else) Tj /F3 10 Tf 0 0 0 rg (:) Tj 0 0 0 rg (  ) Tj /F6 10 Tf .25098 .501961 .501961 rg (# return the arguments of the tail call) Tj /F3 10 Tf 0 0 0 rg  T* (            ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (argskwd) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (args) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (kwd) Tj 0 0 0 rg  T* (            ) Tj /F5 10 Tf 0 .501961 0 rg (return) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (CONTINUE) Tj T* ET
+BT 1 0 0 1 0 338 Tm 12 TL /F5 10 Tf 0 .501961 0 rg (class) Tj /F3 10 Tf 0 0 0 rg ( ) Tj /F5 10 Tf 0 0 1 rg (TailRecursive) Tj /F3 10 Tf 0 0 0 rg (\() Tj 0 .501961 0 rg (object) Tj 0 0 0 rg (\):) Tj 0 0 0 rg  T* (    ) Tj /F6 10 Tf .729412 .129412 .129412 rg (""") Tj T* (    tail_recursive decorator based on Kay Schluehr's recipe) Tj T* (    http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/496691) Tj T* (    with improvements by me and George Sakkis.) Tj T* (    """) Tj /F3 10 Tf 0 0 0 rg  T*  T* (    ) Tj /F5 10 Tf 0 .501961 0 rg (def) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (__init__) Tj 0 0 0 rg (\() Tj 0 .501961 0 rg (self) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (func) Tj 0 0 0 rg (\):) Tj 0 0 0 rg  T* (        ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (func) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (func) Tj 0 0 0 rg  T* (        ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (firstcall) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (True) Tj 0 0 0 rg  T* (        ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (CONTINUE) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (object) Tj 0 0 0 rg (\(\)) Tj 0 0 0 rg (  ) Tj /F6 10 Tf .25098 .501961 .501961 rg (# sentinel) Tj /F3 10 Tf 0 0 0 rg  T*  T* (    ) Tj /F5 10 Tf 0 .501961 0 rg (def) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (__call__) Tj 0 0 0 rg (\() Tj 0 .501961 0 rg (self) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (*) Tj 0 0 0 rg (args) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (**) Tj 0 0 0 rg (kwd) Tj 0 0 0 rg (\):) Tj 0 0 0 rg  T* (        ) Tj 0 0 0 rg (CONTINUE) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (CONTINUE) Tj 0 0 0 rg  T* (        ) Tj /F5 10 Tf 0 .501961 0 rg (if) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (firstcall) Tj 0 0 0 rg (:) Tj 0 0 0 rg  T* (            ) Tj 0 0 0 rg (func) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (func) Tj 0 0 0 rg  T* (            ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (firstcall) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (False) Tj 0 0 0 rg  T* (            ) Tj /F5 10 Tf 0 .501961 0 rg (try) Tj /F3 10 Tf 0 0 0 rg (:) Tj 0 0 0 rg  T* (                ) Tj /F5 10 Tf 0 .501961 0 rg (while) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 .501961 0 rg (True) Tj 0 0 0 rg (:) Tj 0 0 0 rg  T* (                    ) Tj 0 0 0 rg (result) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (func) Tj 0 0 0 rg (\() Tj .4 .4 .4 rg (*) Tj 0 0 0 rg (args) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (**) Tj 0 0 0 rg (kwd) Tj 0 0 0 rg (\)) Tj 0 0 0 rg  T* (                    ) Tj /F5 10 Tf 0 .501961 0 rg (if) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (result) Tj 0 0 0 rg ( ) Tj /F5 10 Tf .666667 .133333 1 rg (is) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (CONTINUE) Tj 0 0 0 rg (:) Tj 0 0 0 rg (  ) Tj /F6 10 Tf .25098 .501961 .501961 rg (# update arguments) Tj /F3 10 Tf 0 0 0 rg  T* (                        ) Tj 0 0 0 rg (args) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (kwd) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (argskwd) Tj 0 0 0 rg  T* (                    ) Tj /F5 10 Tf 0 .501961 0 rg (else) Tj /F3 10 Tf 0 0 0 rg (:) Tj 0 0 0 rg (  ) Tj /F6 10 Tf .25098 .501961 .501961 rg (# last call) Tj /F3 10 Tf 0 0 0 rg  T* (                        ) Tj /F5 10 Tf 0 .501961 0 rg (return) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (result) Tj 0 0 0 rg  T* (            ) Tj /F5 10 Tf 0 .501961 0 rg (finally) Tj /F3 10 Tf 0 0 0 rg (:) Tj 0 0 0 rg  T* (                ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (firstcall) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 .501961 0 rg (True) Tj 0 0 0 rg  T* (        ) Tj /F5 10 Tf 0 .501961 0 rg (else) Tj /F3 10 Tf 0 0 0 rg (:) Tj 0 0 0 rg (  ) Tj /F6 10 Tf .25098 .501961 .501961 rg (# return the arguments of the tail call) Tj /F3 10 Tf 0 0 0 rg  T* (            ) Tj 0 .501961 0 rg (self) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (argskwd) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (args) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (kwd) Tj 0 0 0 rg  T* (            ) Tj /F5 10 Tf 0 .501961 0 rg (return) Tj /F3 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (CONTINUE) Tj T* ET
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-BT 1 0 0 1 0 74 Tm .11936 Tw 12 TL /F1 10 Tf 0 0 0 rg (There has been talk of implementing multiple dispatch \(i.e. generic\) functions in Python for over ten years.) Tj T* 0 Tw 3.96881 Tw (Last year for the first time something was done and now in Python 3.4 we have a decorator) Tj T* 0 Tw 1.049269 Tw /F4 10 Tf 0 0 0 rg (functools.singledispatch ) Tj /F1 10 Tf 0 0 0 rg (which can be used to implement generic functions. As the name implies, it has) Tj T* 0 Tw 1.474198 Tw (the restriction of being limited to single dispatch, i.e. it is able to dispatch on the first argument of the) Tj T* 0 Tw 2.516412 Tw (function only. The decorator module provide a decorator factory ) Tj /F4 10 Tf 0 0 0 rg (dispatch_on ) Tj /F1 10 Tf 0 0 0 rg (which can be used to) Tj T* 0 Tw .616905 Tw (implement generic functions dispatching on any argument; moreover it can manage dispatching on more) Tj T* 0 Tw (than one argument and, of course, it is signature-preserving.) Tj T* ET
+BT 1 0 0 1 0 74 Tm .11936 Tw 12 TL /F1 10 Tf 0 0 0 rg (There has been talk of implementing multiple dispatch \(i.e. generic\) functions in Python for over ten years.) Tj T* 0 Tw 3.96881 Tw (Last year for the first time something was done and now in Python 3.4 we have a decorator) Tj T* 0 Tw .294147 Tw /F3 10 Tf 0 0 0 rg (functools.singledispatch ) Tj /F1 10 Tf 0 0 0 rg (which can be used to implement generic functions. As the name implies,) Tj T* 0 Tw .063322 Tw (it has the restriction of being limited to single dispatch, i.e. it is able to dispatch on the first argument of the) Tj T* 0 Tw 1.423555 Tw (function only. The decorator module provide a decorator factory ) Tj /F3 10 Tf 0 0 0 rg (dispatch_on ) Tj /F1 10 Tf 0 0 0 rg (which can be used to) Tj T* 0 Tw .616905 Tw (implement generic functions dispatching on any argument; moreover it can manage dispatching on more) Tj T* 0 Tw (than one argument and, of course, it is signature-preserving.) Tj T* ET
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-BT 1 0 0 1 0 26 Tm 1.551163 Tw 12 TL /F1 10 Tf 0 0 0 rg (Here I will give a very concrete example where it is desiderable to dispatch on the second argument.) Tj T* 0 Tw .216412 Tw (Suppose you have an XMLWriter class, which is instantiated with some configuration parameters and has) Tj T* 0 Tw (a ) Tj /F4 10 Tf 0 0 0 rg (.write ) Tj /F1 10 Tf 0 0 0 rg (method which is able to serialize objects to XML:) Tj T* ET
+BT 1 0 0 1 0 26 Tm 1.551163 Tw 12 TL /F1 10 Tf 0 0 0 rg (Here I will give a very concrete example where it is desiderable to dispatch on the second argument.) Tj T* 0 Tw .216412 Tw (Suppose you have an XMLWriter class, which is instantiated with some configuration parameters and has) Tj T* 0 Tw (a ) Tj /F3 10 Tf 0 0 0 rg (.write ) Tj /F1 10 Tf 0 0 0 rg (method which is able to serialize objects to XML:) Tj T* ET
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 %%EOF
author	Michele Simionato <michele.simionato@gmail.com>	2015-07-22 07:32:49 +0200
committer	Michele Simionato <michele.simionato@gmail.com>	2015-07-22 07:32:49 +0200
commit	4b28eea14c0ab65e447cf2955c26bc9a8e5fd11b (patch)
tree	3aabc01ff7a68063519ef60e33a23116177b6068 /documentation.pdf
parent	10e035eaf93997a63a30687f6fe33b918714ba61 (diff)
download	python-decorator-git-4b28eea14c0ab65e447cf2955c26bc9a8e5fd11b.tar.gz