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| author | Michele Simionato <michele.simionato@gmail.com> | 2017-07-15 12:35:40 +0200 |
|---|---|---|
| committer | Michele Simionato <michele.simionato@gmail.com> | 2017-07-15 12:35:40 +0200 |
| commit | 37bc4776f49cc7f2b7060d393378ac6d5d68b10e (patch) | |
| tree | bdb566e2116dc1c4a665a5e0278f4d98ef28c7de | |
| parent | f068b08cf60cecea4b540d3a36550d0d29455b0e (diff) | |
| download | python-decorator-git-37bc4776f49cc7f2b7060d393378ac6d5d68b10e.tar.gz | |
Removed the .pdf from the repo
| -rw-r--r-- | docs/README.rst | 4 | ||||
| -rw-r--r-- | docs/tests.documentation.rst | 11 | ||||
| -rw-r--r-- | documentation.pdf | 10204 | ||||
| -rw-r--r-- | src/decorator.py | 2 |
4 files changed, 8 insertions, 10213 deletions
diff --git a/docs/README.rst b/docs/README.rst index d61c99e..4e6b827 100644 --- a/docs/README.rst +++ b/docs/README.rst @@ -18,7 +18,7 @@ If you are lazy, just perform which will install just the module on your system.
If you prefer to install the full distribution from source, including
-the documentation, download the tarball_, unpack it and run
+the documentation, clone the [GitHub repo](https://github.com/micheles/decorator) or download the tarball_, unpack it and run
`$ pip install .`
@@ -30,7 +30,7 @@ in the main directory, possibly as superuser. Testing
--------
-Run
+If you have the source code installtion you can run the tests with
`$ python src/tests/test.py -v`
diff --git a/docs/tests.documentation.rst b/docs/tests.documentation.rst index 681ab36..1b817a0 100644 --- a/docs/tests.documentation.rst +++ b/docs/tests.documentation.rst @@ -1,12 +1,12 @@ \ The ``decorator`` module -============================================================= +------------------------ :Author: Michele Simionato :E-mail: michele.simionato@gmail.com -:Version: 4.1.0 (2017-07-15) +:Version: 4.1.1 (2017-07-15) :Supports: Python 2.6, 2.7, 3.0, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6 -:Download page: http://pypi.python.org/pypi/decorator/4.1.0 +:Download page: http://pypi.python.org/pypi/decorator/4.1.1 :Installation: ``pip install decorator`` :License: BSD license @@ -173,7 +173,7 @@ Here I used the functools.update_wrapper_ utility, which was added in Python 2.5 to simplify the writing of decorators. (Previously, you needed to manually copy the function attributes ``__name__``, ``__doc__``, ``__module__``, and ``__dict__`` -to the decorated function by hand.) +to the decorated function by hand). Here is an example of usage: @@ -773,8 +773,7 @@ not what you want: <BLANKLINE> (See bug report 1764286_ for an explanation of what is happening). -Unfortunately the bug still exists in all versions of Python, except -Python 3.5. +Unfortunately the bug still exists in all versions of Python < 3.5. However, there is a workaround. The decorated function has the ``__wrapped__`` attribute, pointing to the original function. The simplest way to get the diff --git a/documentation.pdf b/documentation.pdf deleted file mode 100644 index 5d160b8..0000000 --- a/documentation.pdf +++ /dev/null @@ -1,10204 +0,0 @@ -%PDF-1.4
-%“Œ‹ž ReportLab Generated PDF document http://www.reportlab.com
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-BT 1 0 0 1 0 26 Tm 1.255697 Tw 12 TL /F1 10 Tf 0 0 0 rg (The difference from the nested function approach of ) Tj /F2 10 Tf 0 0 0 rg (memoize_uw ) Tj /F1 10 Tf 0 0 0 rg (is that the decorator module forces) Tj T* 0 Tw .391567 Tw (you to lift the inner function to the outer level. Moreover, you are forced to explicitly pass the function you) Tj T* 0 Tw (want to decorate; there are no closures.) Tj T* ET
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-BT 1 0 0 1 0 14 Tm .969986 Tw 12 TL /F1 10 Tf 0 0 0 rg (Here is an example of how to define a simple ) Tj /F2 10 Tf 0 0 0 rg (trace ) Tj /F1 10 Tf 0 0 0 rg (decorator, which prints a message whenever the) Tj T* 0 Tw (traced function is called:) Tj T* ET
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-BT 1 0 0 1 0 14 Tm 12 TL /F6 10 Tf 0 .501961 0 rg (def) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (tail_recursive) Tj 0 0 0 rg (\() Tj 0 0 0 rg (func) Tj 0 0 0 rg (\):) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (return) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (decorator_apply) Tj 0 0 0 rg (\() Tj 0 0 0 rg (TailRecursive) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (func) Tj 0 0 0 rg (\)) Tj T* ET
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-BT 1 0 0 1 0 2 Tm /F1 10 Tf 12 TL (Here is how you apply the upgraded decorator to the good old factorial:) Tj T* ET
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-BT 1 0 0 1 0 62 Tm 12 TL /F2 10 Tf .666667 .133333 1 rg (@tail_recursive) Tj 0 0 0 rg T* /F6 10 Tf 0 .501961 0 rg (def) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (factorial) Tj 0 0 0 rg (\() Tj 0 0 0 rg (n) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (acc) Tj .4 .4 .4 rg (=) Tj .4 .4 .4 rg (1) Tj 0 0 0 rg (\):) Tj 0 0 0 rg T* ( ) Tj .729412 .129412 .129412 rg ("The good old factorial") Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (if) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (n) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (==) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (0) Tj 0 0 0 rg (:) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (return) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (acc) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (return) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (factorial) Tj 0 0 0 rg (\() Tj 0 0 0 rg (n) Tj .4 .4 .4 rg (-) Tj .4 .4 .4 rg (1) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (n) Tj .4 .4 .4 rg (*) Tj 0 0 0 rg (acc) Tj 0 0 0 rg (\)) Tj T* ET
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-BT 1 0 0 1 0 14 Tm 12 TL /F2 10 Tf .4 .4 .4 rg (>) Tj (>) Tj (>) Tj 0 0 0 rg ( ) Tj /F6 10 Tf 0 .501961 0 rg (print) Tj /F2 10 Tf 0 0 0 rg (\() Tj 0 0 0 rg (factorial) Tj 0 0 0 rg (\() Tj .4 .4 .4 rg (4) Tj 0 0 0 rg (\)\)) Tj 0 0 0 rg T* .4 .4 .4 rg (24) Tj T* ET
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-1 0 0 1 62.69291 584.6236 cm
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-BT 1 0 0 1 0 14 Tm 2.452126 Tw 12 TL /F1 10 Tf 0 0 0 rg (Notice that there is no recursion limit now; you can easily compute ) Tj /F2 10 Tf 0 0 0 rg (factorial\(1001\) ) Tj /F1 10 Tf 0 0 0 rg (\(or larger\)) Tj T* 0 Tw (without filling the stack frame.) Tj T* ET
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-BT 1 0 0 1 0 2 Tm 12 TL /F3 10 Tf 0 0 0 rg (Reminder: ) Tj /F1 10 Tf (A function is ) Tj /F4 10 Tf (tail recursive ) Tj /F1 10 Tf (if it does either of the following:) Tj T* ET
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-1 0 0 1 62.69291 471.4236 cm
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-BT 1 0 0 1 0 2 Tm /F1 10 Tf 12 TL (and you will get at output like this:) Tj T* ET
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-BT 1 0 0 1 0 26 Tm 1.494983 Tw 12 TL /F1 10 Tf 0 0 0 rg (There has been talk of implementing multiple dispatch functions \(i.e. "generic functions"\) in Python for) Tj T* 0 Tw .596303 Tw (over ten years. Last year, something concrete was done for the first time. As of Python 3.4, we have the) Tj T* 0 Tw (decorator ) Tj /F2 10 Tf 0 0 0 rg (functools.singledispatch ) Tj /F1 10 Tf 0 0 0 rg (to implement generic functions!) Tj T* ET
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-BT 1 0 0 1 0 14 Tm 2.013988 Tw 12 TL /F1 10 Tf 0 0 0 rg (As its name implies, it is limited to ) Tj /F4 10 Tf (single dispatch) Tj /F1 10 Tf (; in other words, it is able to dispatch on the first) Tj T* 0 Tw (argument of the function only.) Tj T* ET
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-BT 1 0 0 1 0 26 Tm .373059 Tw 12 TL /F1 10 Tf 0 0 0 rg (The ) Tj /F2 10 Tf 0 0 0 rg (decorator ) Tj /F1 10 Tf 0 0 0 rg (module provides the decorator factory ) Tj /F2 10 Tf 0 0 0 rg (dispatch_on) Tj /F1 10 Tf 0 0 0 rg (, which can be used to implement) Tj T* 0 Tw .888555 Tw (generic functions dispatching on ) Tj /F4 10 Tf (any ) Tj /F1 10 Tf (argument. Moreover, it can manage dispatching on more than one) Tj T* 0 Tw (argument. \(And, of course, it is signature-preserving.\)) Tj T* ET
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-BT 1 0 0 1 0 326 Tm 12 TL /F6 10 Tf 0 .501961 0 rg (def) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (singledispatch_example2) Tj 0 0 0 rg (\(\):) Tj 0 0 0 rg T* ( ) Tj /F7 10 Tf .25098 .501961 .501961 rg (# adapted from functools.singledispatch test case) Tj /F2 10 Tf 0 0 0 rg T* ( ) Tj 0 0 0 rg (singledispatch) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (dispatch_on) Tj 0 0 0 rg (\() Tj .729412 .129412 .129412 rg ('arg') Tj 0 0 0 rg (\)) Tj 0 0 0 rg T* T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (class) Tj /F2 10 Tf 0 0 0 rg ( ) Tj /F6 10 Tf 0 0 1 rg (S) Tj /F2 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 0 .501961 0 rg (pass) Tj /F2 10 Tf 0 0 0 rg T* T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (class) Tj /F2 10 Tf 0 0 0 rg ( ) Tj /F6 10 Tf 0 0 1 rg (V) Tj /F2 10 Tf 0 0 0 rg (\() Tj 0 0 0 rg (c) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (Sized) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (S) Tj 0 0 0 rg (\):) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (def) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (__len__) Tj 0 0 0 rg (\() Tj 0 .501961 0 rg (self) Tj 0 0 0 rg (\):) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (return) Tj /F2 10 Tf 0 0 0 rg ( ) Tj .4 .4 .4 rg (0) Tj 0 0 0 rg T* T* ( ) Tj .666667 .133333 1 rg (@singledispatch) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (def) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (g) Tj 0 0 0 rg (\() Tj 0 0 0 rg (arg) Tj 0 0 0 rg (\):) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (return) Tj /F2 10 Tf 0 0 0 rg ( ) Tj .729412 .129412 .129412 rg ("base") Tj 0 0 0 rg T* T* ( ) Tj .666667 .133333 1 rg (@g.register) Tj 0 0 0 rg (\() Tj 0 0 0 rg (S) Tj 0 0 0 rg (\)) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (def) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (g_s) Tj 0 0 0 rg (\() Tj 0 0 0 rg (arg) Tj 0 0 0 rg (\):) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (return) Tj /F2 10 Tf 0 0 0 rg ( ) Tj .729412 .129412 .129412 rg ("s") Tj 0 0 0 rg T* T* ( ) Tj .666667 .133333 1 rg (@g.register) Tj 0 0 0 rg (\() Tj 0 0 0 rg (c) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (Container) Tj 0 0 0 rg (\)) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (def) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (g_container) Tj 0 0 0 rg (\() Tj 0 0 0 rg (arg) Tj 0 0 0 rg (\):) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (return) Tj /F2 10 Tf 0 0 0 rg ( ) Tj .729412 .129412 .129412 rg ("container") Tj 0 0 0 rg T* T* ( ) Tj 0 0 0 rg (v) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (V) Tj 0 0 0 rg (\(\)) Tj 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (assert) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (g) Tj 0 0 0 rg (\() Tj 0 0 0 rg (v) Tj 0 0 0 rg (\)) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (==) Tj 0 0 0 rg ( ) Tj .729412 .129412 .129412 rg ("s") Tj 0 0 0 rg T* ( ) Tj 0 0 0 rg (c) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (Container) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (register) Tj 0 0 0 rg (\() Tj 0 0 0 rg (V) Tj 0 0 0 rg (\)) Tj 0 0 0 rg ( ) Tj /F7 10 Tf .25098 .501961 .501961 rg (# add c.Container to the virtual mro of V) Tj /F2 10 Tf 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (assert) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (g) Tj 0 0 0 rg (\() Tj 0 0 0 rg (v) Tj 0 0 0 rg (\)) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (==) Tj 0 0 0 rg ( ) Tj .729412 .129412 .129412 rg ("s") Tj 0 0 0 rg ( ) Tj /F7 10 Tf .25098 .501961 .501961 rg (# since the virtual mro is V, Sized, S, Container) Tj /F2 10 Tf 0 0 0 rg T* ( ) Tj /F6 10 Tf 0 .501961 0 rg (return) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 0 rg (g) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (V) Tj T* ET
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-1 0 0 1 62.69291 321.8236 cm
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-BT 1 0 0 1 0 26 Tm 10.88816 Tw 12 TL /F1 10 Tf 0 0 0 rg (If you play with this example and replace the ) Tj /F2 10 Tf 0 0 0 rg (singledispatch ) Tj /F1 10 Tf 0 0 0 rg (definition with) Tj T* 0 Tw 1.50816 Tw /F2 10 Tf 0 0 0 rg (functools.singledispatch) Tj /F1 10 Tf 0 0 0 rg (, the assertion will break: ) Tj /F2 10 Tf 0 0 0 rg (g ) Tj /F1 10 Tf 0 0 0 rg (will return ) Tj /F2 10 Tf 0 0 0 rg ("container" ) Tj /F1 10 Tf 0 0 0 rg (instead of ) Tj /F2 10 Tf 0 0 0 rg ("s") Tj /F1 10 Tf 0 0 0 rg (,) Tj T* 0 Tw (because ) Tj /F2 10 Tf 0 0 0 rg (functools.singledispatch ) Tj /F1 10 Tf 0 0 0 rg (will insert the ) Tj /F2 10 Tf 0 0 0 rg (Container ) Tj /F1 10 Tf 0 0 0 rg (class right before ) Tj /F2 10 Tf 0 0 0 rg (S) Tj /F1 10 Tf 0 0 0 rg (.) Tj T* ET
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-1 0 0 1 62.69291 267.8236 cm
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-BT 1 0 0 1 0 38 Tm .528935 Tw 12 TL /F1 10 Tf 0 0 0 rg (Notice that here I am not making any bold claim such as "the standard library algorithm is wrong and my) Tj T* 0 Tw 1.082209 Tw (algorithm is right" or viceversa. It just point out that there are some subtle differences. The only way to) Tj T* 0 Tw .43881 Tw (understand what is really happening here is to scratch your head by looking at the implementations. I will) Tj T* 0 Tw (just notice that ) Tj /F2 10 Tf 0 0 0 rg (.dispatch_info ) Tj /F1 10 Tf 0 0 0 rg (is quite essential to see the class precedence list used by algorithm:) Tj T* ET
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-BT 1 0 0 1 0 26 Tm 12 TL /F2 10 Tf .4 .4 .4 rg (>) Tj (>) Tj (>) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (g) Tj 0 0 0 rg (,) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (V) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (=) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (singledispatch_example2) Tj 0 0 0 rg (\(\)) Tj 0 0 0 rg T* .4 .4 .4 rg (>) Tj (>) Tj (>) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (g) Tj .4 .4 .4 rg (.) Tj 0 0 0 rg (dispatch_info) Tj 0 0 0 rg (\() Tj 0 0 0 rg (V) Tj 0 0 0 rg (\)) Tj 0 0 0 rg T* 0 0 0 rg ([\() Tj .729412 .129412 .129412 rg ('V') Tj 0 0 0 rg (,\),) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (\() Tj .729412 .129412 .129412 rg ('Sized') Tj 0 0 0 rg (,\),) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (\() Tj .729412 .129412 .129412 rg ('S') Tj 0 0 0 rg (,\),) Tj 0 0 0 rg ( ) Tj 0 0 0 rg (\() Tj .729412 .129412 .129412 rg ('Container') Tj 0 0 0 rg (,\)]) Tj T* ET
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-1 0 0 1 62.69291 178.6236 cm
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-BT 1 0 0 1 0 14 Tm 1.825814 Tw 12 TL /F1 10 Tf 0 0 0 rg (The current implementation does not implement any kind of cooperation between implementations. In) Tj T* 0 Tw (other words, nothing is akin either to call-next-method in Lisp, or to ) Tj /F2 10 Tf 0 0 0 rg (super ) Tj /F1 10 Tf 0 0 0 rg (in Python.) Tj T* ET
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-1 0 0 1 62.69291 148.6236 cm
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-BT 1 0 0 1 0 14 Tm 1.533984 Tw 12 TL /F1 10 Tf 0 0 0 rg (Finally, let me notice that the decorator module implementation does not use any cache, whereas the) Tj T* 0 Tw /F2 10 Tf 0 0 0 rg (singledispatch ) Tj /F1 10 Tf 0 0 0 rg (implementation does.) Tj T* ET
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-1 0 0 1 62.69291 115.6236 cm
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-BT 1 0 0 1 0 3.5 Tm 21 TL /F3 17.5 Tf 0 0 0 rg (Caveats and limitations) Tj T* ET
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-1 0 0 1 62.69291 85.62362 cm
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-BT 1 0 0 1 0 14 Tm /F1 10 Tf 12 TL .259431 Tw (One thing you should be aware of, is the performance penalty of decorators. The worse case is shown by) Tj T* 0 Tw (the following example:) Tj T* ET
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-BT 1 0 0 1 0 194 Tm 12 TL /F2 10 Tf 0 0 0 rg ($ cat performance.sh) Tj T* (python3 -m timeit -s ) Tj .729412 .129412 .129412 rg (") Tj T* (from decorator import decorator) Tj T* T* (@decorator) Tj T* (def do_nothing\(func, *args, **kw\):) Tj T* ( return func\(*args, **kw\)) Tj T* T* (@do_nothing) Tj T* (def f\(\):) Tj T* ( pass) Tj T* (") Tj 0 0 0 rg ( ) Tj .729412 .129412 .129412 rg ("f\(\)") Tj 0 0 0 rg T* T* (python3 -m timeit -s ) Tj .729412 .129412 .129412 rg (") Tj T* (def f\(\):) Tj T* ( pass) Tj T* (") Tj 0 0 0 rg ( ) Tj .729412 .129412 .129412 rg ("f\(\)") Tj T* ET
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-1 0 0 1 62.69291 527.8236 cm
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-BT 1 0 0 1 0 2 Tm 12 TL /F1 10 Tf 0 0 0 rg (On my laptop, using the ) Tj /F2 10 Tf 0 0 0 rg (do_nothing ) Tj /F1 10 Tf 0 0 0 rg (decorator instead of the plain function is five times slower:) Tj T* ET
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-1 0 0 1 62.69291 470.6236 cm
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-0 0 0 rg
-BT 1 0 0 1 0 26 Tm /F2 10 Tf 12 TL ($ bash performance.sh) Tj T* (1000000 loops, best of 3: 1.39 usec per loop) Tj T* (1000000 loops, best of 3: 0.278 usec per loop) Tj T* ET
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-1 0 0 1 62.69291 426.6236 cm
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-BT 1 0 0 1 0 26 Tm .51832 Tw 12 TL /F1 10 Tf 0 0 0 rg (Of course, a real life function probably does something more useful than the function ) Tj /F2 10 Tf 0 0 0 rg (f ) Tj /F1 10 Tf 0 0 0 rg (here, so the real) Tj T* 0 Tw .480514 Tw (life performance penalty ) Tj /F4 10 Tf (could ) Tj /F1 10 Tf (be negligible. As always, the only way to know if there is a penalty in your) Tj T* 0 Tw (specific use case is to measure it.) Tj T* ET
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-1 0 0 1 62.69291 396.6236 cm
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-0 0 0 rg
-BT 1 0 0 1 0 14 Tm /F1 10 Tf 12 TL .091984 Tw (More importantly, you should be aware that decorators will make your tracebacks longer and more difficult) Tj T* 0 Tw (to understand.) Tj T* ET
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-1 0 0 1 62.69291 378.6236 cm
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-0 0 0 rg
-BT 1 0 0 1 0 2 Tm /F1 10 Tf 12 TL (Consider this example:) Tj T* ET
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-n -6 -6 468.6898 48 re B*
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-BT 1 0 0 1 0 26 Tm 12 TL /F2 10 Tf .4 .4 .4 rg (>) Tj (>) Tj (>) Tj 0 0 0 rg ( ) Tj .666667 .133333 1 rg (@trace) Tj 0 0 0 rg T* .4 .4 .4 rg (...) Tj 0 0 0 rg ( ) Tj /F6 10 Tf 0 .501961 0 rg (def) Tj /F2 10 Tf 0 0 0 rg ( ) Tj 0 0 1 rg (f) Tj 0 0 0 rg (\(\):) Tj 0 0 0 rg T* .4 .4 .4 rg (...) Tj 0 0 0 rg ( ) Tj .4 .4 .4 rg (1) Tj .4 .4 .4 rg (/) Tj .4 .4 .4 rg (0) Tj T* ET
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-BT 1 0 0 1 0 14 Tm 1.05528 Tw 12 TL /F1 10 Tf 0 0 0 rg (You see here the inner call to the decorator ) Tj /F2 10 Tf 0 0 0 rg (trace) Tj /F1 10 Tf 0 0 0 rg (, which calls ) Tj /F2 10 Tf 0 0 0 rg (f\(*args,) Tj ( ) Tj (**kw\)) Tj /F1 10 Tf 0 0 0 rg (, and a reference to) Tj T* 0 Tw /F2 10 Tf 0 0 0 rg (File) Tj ( ) Tj (") Tj (<) Tj (string) Tj (>) Tj (",) Tj ( ) Tj (line) Tj ( ) Tj (2,) Tj ( ) Tj (in) Tj ( ) Tj (f) Tj /F1 10 Tf 0 0 0 rg (.) Tj T* ET
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-BT 1 0 0 1 0 26 Tm .928221 Tw 12 TL /F1 10 Tf 0 0 0 rg (This latter reference is due to the fact that, internally, the decorator module uses ) Tj /F2 10 Tf 0 0 0 rg (exec ) Tj /F1 10 Tf 0 0 0 rg (to generate the) Tj T* 0 Tw .941984 Tw (decorated function. Notice that ) Tj /F2 10 Tf 0 0 0 rg (exec ) Tj /F1 10 Tf 0 0 0 rg (is ) Tj /F4 10 Tf (not ) Tj /F1 10 Tf (responsible for the performance penalty, since is the called) Tj T* 0 Tw /F4 10 Tf (only once ) Tj /F1 10 Tf (\(at function decoration time\); it is ) Tj /F4 10 Tf (not ) Tj /F1 10 Tf (called each time the decorated function is called.) Tj T* ET
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-BT 1 0 0 1 0 14 Tm 1.501235 Tw 12 TL /F1 10 Tf 0 0 0 rg (Presently, there is no clean way to avoid ) Tj /F2 10 Tf 0 0 0 rg (exec) Tj /F1 10 Tf 0 0 0 rg (. A clean solution would require changing the CPython) Tj T* 0 Tw (implementation, by adding a hook to functions \(to allow changing their signature directly\).) Tj T* ET
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-BT 1 0 0 1 0 26 Tm 1.905984 Tw 12 TL /F1 10 Tf 0 0 0 rg (Even in Python 3.5, it is impossible to change the function signature directly. Thus, the ) Tj /F2 10 Tf 0 0 0 rg (decorator) Tj T* 0 Tw 1.624488 Tw /F1 10 Tf 0 0 0 rg (module is still useful! As a matter of fact, this is the main reason why I still maintain the module and) Tj T* 0 Tw (release new versions.) Tj T* ET
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-BT 1 0 0 1 0 50 Tm .155251 Tw 12 TL /F1 10 Tf 0 0 0 rg (It should be noted that in Python 3.5, a ) Tj /F4 10 Tf (lot ) Tj /F1 10 Tf (of improvements have been made: you can decorate a function) Tj T* 0 Tw 2.710976 Tw (with ) Tj /F2 10 Tf 0 0 0 rg (func_tools.update_wrapper) Tj /F1 10 Tf 0 0 0 rg (, and ) Tj /F2 10 Tf 0 0 0 rg (pydoc ) Tj /F1 10 Tf 0 0 0 rg (will see the correct signature. Unfortunately, the) Tj T* 0 Tw 9.38229 Tw (function will still have an incorrect signature internally, as you can see by using) Tj T* 0 Tw 1.85122 Tw /F2 10 Tf 0 0 0 rg (inspect.getfullargspec) Tj /F1 10 Tf 0 0 0 rg (; so, all documentation tools using ) Tj /F2 10 Tf 0 0 0 rg (inspect.getfullargspec ) Tj /F1 10 Tf 0 0 0 rg (- which) Tj T* 0 Tw (has been rightly deprecated - will see the wrong signature.) Tj T* ET
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-BT 1 0 0 1 0 62 Tm 1.043828 Tw 12 TL /F1 10 Tf 0 0 0 rg (In the present implementation, decorators generated by ) Tj /F2 10 Tf 0 0 0 rg (decorator ) Tj /F1 10 Tf 0 0 0 rg (can only be used on user-defined) Tj T* 0 Tw .221235 Tw (Python functions or methods. They cannot be used on generic callable objects or built-in functions, due to) Tj T* 0 Tw .727318 Tw (limitations of the standard library's ) Tj /F2 10 Tf 0 0 0 rg (inspect ) Tj /F1 10 Tf 0 0 0 rg (module, especially for Python 2. In Python 3.5, many such) Tj T* 0 Tw .216303 Tw (limitations have been removed, but I still think that it is cleaner and safer to decorate only functions. If you) Tj T* 0 Tw .177126 Tw (want to decorate things like classmethods/staticmethods and general callables - which I will never support) Tj T* 0 Tw (in the decorator module - I suggest you to look at the ) Tj 0 0 .501961 rg (wrapt ) Tj 0 0 0 rg (project by Graeme Dumpleton.) Tj T* ET
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diff --git a/src/decorator.py b/src/decorator.py index b2ed9b6..aa09566 100644 --- a/src/decorator.py +++ b/src/decorator.py @@ -40,7 +40,7 @@ import operator import itertools import collections -__version__ = '4.1.0' +__version__ = '4.1.1' if sys.version >= '3': from inspect import getfullargspec |