A Black Magic for support obj.__assign__ method
Project description
# Assign
---------
`assign` is a black magic module for supporting `obj.__assign__`:
### How to use it:
#### 1. magic patch
Suppose that there is a `test.py`
```python
a = 1
class T():
def __assign__(self, v):
print('called with %s' % v)
b = T()
c = b
```
It just works as:
```python
Python 3.6.0 (default, Mar 6 2017, 15:44:48)
[GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.42.1)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import magic
>>> import test
called with c
```
#### 2. manually patch
```
from assign.patch import patch_module
import test
patch_module(test)
```
### Install
just:
`pip install assign`
### Notes
* Tested with `Py2.7` and `Py3.6`
### Known Issues
* 1. Won't work under `REPL`
* 2. May slow import operation.
* 3. May failed when patch some modules like `os` and `sys`
---------
`assign` is a black magic module for supporting `obj.__assign__`:
### How to use it:
#### 1. magic patch
Suppose that there is a `test.py`
```python
a = 1
class T():
def __assign__(self, v):
print('called with %s' % v)
b = T()
c = b
```
It just works as:
```python
Python 3.6.0 (default, Mar 6 2017, 15:44:48)
[GCC 4.2.1 Compatible Apple LLVM 8.0.0 (clang-800.0.42.1)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import magic
>>> import test
called with c
```
#### 2. manually patch
```
from assign.patch import patch_module
import test
patch_module(test)
```
### Install
just:
`pip install assign`
### Notes
* Tested with `Py2.7` and `Py3.6`
### Known Issues
* 1. Won't work under `REPL`
* 2. May slow import operation.
* 3. May failed when patch some modules like `os` and `sys`
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