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flowpython-0.2.3
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تبلیغات ما
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Additional Grammar Compatible to CPython
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | flowpython-0.2.3 |
| نام | flowpython |
| نسخه کتابخانه | 0.2.3 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Thautwarm |
| ایمیل نویسنده | twshere@outlook.com |
| آدرس صفحه اصلی | https://github.com/thautwarm/flowpython |
| آدرس اینترنتی | https://pypi.org/project/flowpython/ |
| مجوز | MIT License |
Additional Grammar Compatible to CPython
==========================================
How to Get Flowpython
-----------------------
- Intsall
.. code:: shell
pip install flowpython
- Enable/Disable Flowpython grammar
.. code:: shell
python -m flowpython -m enable/disable
VERSION
----------
flowpython == 0.2.3
CPython == 3.6.x/3.5.x
Requirement
------------
CPython == 3.6.x/3.5.x
C/C++ Compiler
- My version was built on clang-3.8.1/GCC-6.3.0 on linux-deepin
Grammar
------------
**with quite few new additional keywords here**
* **Where Syntax**
.. code:: python
(test) where:
statements
...
# "test" is the top one of expressions in Python Grammar.
- Take a look at here:
the **where** blocks would be **executed before the expression at the head**,
but it should be **located at the end**.
- Q :Why did I bring "where" syntax into Python?
- A :For **combining the expressions and statements** in Python and enhanced the readability of procedure.
- See the following codes:
.. code:: python
# 圆柱面积 / surface area of a cylinder
from math import pi
r = 1 # the radius
h = 10 # the height
S = (2*S_top + S_side) where:
S_top = pi*r**2
S_side = C * h where:
C = 2*pi*r
- And where syntax makes it possible for **Lambda** in Python to do everything that **def** can do.
.. code:: python
# multi-row lambda in python
lambda x: someFunc(x) where:
def someFunc(var):
pass
lambda x: ret where:
def someFunc(var):
...
ret = someFunc(x)
However, in Flowpython, there are some other way more interesting supplied to define a "lambda" than "lambda x: f(x)" :
* **Lambda Syntax**
.. code:: python
# Lambda
lambda x,y,z : lambda a,b,c : x*a + y*b + z*c
# which equals to
.x,y,z -> .a,b,c -> x*a + y*b + z*c
# which equals to
as-with x,y,z def as a,b,c def x*a + y*b + z*c
#look at this example:
as-with x def as y def as z def x+y+z
# which equals to
as-with x def as-with y def as-with z def x+y+z
And we know that there are some powerful tools in some FP languages, like
* **Pattern matching**
.. code:: python
condef +[<] 1:
case a:2 =>
assert a == 1 and a < 2
+(.x->type(x))
case a:int =>
assert a == 1 and type(a) == int
condef 1:
+(.x->2*x)
case a:3 =>
assert a == 1 and a*2 == 3
+[is not]
case a:2 =>
assert a == 1 and a is not 2
otherwise =>
...
# new syntax: matching filter
condef[] [1,2,3] :
+(type)
case (*a,b)->a:list =>
assert type(a) == list
otherwise =>
assert False,"emmmm"
There are more optional grammars, just see GitHub `Link <https://github.com/thautwarm/flowpython/blob/master/ReadMe.md>`_.
More about Pattern Matching to see `TestFile <https://github.com/thautwarm/flowpython/blob/master/test/test_patm.py>`_
And `Distribute History <https://github.com/thautwarm/flowpython/blob/master/ReadMe.md#powerful-pattern-matching>`_
Another useful tool in Flowpython is **Arrow Transform**, which enhances the readability greatly and makes it possible
to **Avoid Prolix Parentheses**.
* **Arrow Transform**
.. code:: python
range(100) -> reduce(.x,y->x+y, _) -> print(_) where:
from functools import reduce
[1,2,3] -> map(.x->x+1, _) -> list(_) -> print(_)
Read `Arrow Transform <https://github.com/thautwarm/flowpython/blob/master/ReadMe.md#arrow-transform>`_ to get a konwledge of this grammar.
Revision
------------
See `Distribution History <https://github.com/thautwarm/flowpython/blob/master/ReadMe.md>`_ here.
Compile FlowPython For Yourself
--------------------------------------
**For Windows User**
- You'd better use Visual Studio to make the Python project, and it must be the easiest thing in the world, I think.
- I have tried with **Cygwin** but finally failed.
**For Linux User**
Firstly, you should have a C/C++ compiler like:
- https://gcc.gnu.org/
- http://releases.llvm.org/
To give some advice, you can easily get C/C++ compiler with
- **MinGW/Cygwin** on **windows** (Failed, please have a try with Visual Studio)
- **sudo apt-get install gcc/clang** on **Ubuntu/Debian/Deepin** (maybe it also works for MacOS).
And then you should have a CPython distribution like Python-3.6.2, like:
- https://www.python.org/
And then you should replace the files of the standard CPython distribution with Flowpython.
If you change the variable of **pythonDistPath** in the file **config.py** with the path of your Python distribution,
just run this command:
.. code:: shell
./conf commit -v try_flowPython
Everyting about Flowpython can be found in the directory "/flowpy".
Finally open the CMD/Terminal at the root of CPython distribution,
run the following commands:
.. code:: shell
./configure CC=<your C/C++ compiler>
make regen-gramamr
make regen-ast
make
./python
If you change the variable of **pythonDistPath** in the file **config.py** with the path of your Python distribution,
just run this command:
.. code:: shell
./conf make -m all
And then you can enjoy Flowpython!
For Developers
---------------
I wrote config.py as the project-manage tool of Flowpython.
It assembled the following modules:
- make
- git
- customer version controler
- debug&unittest
It can be used like these way:
.. code:: shell
./conf commit -v <version_name>
./conf recover
./conf test
./conf make -m clean
./conf make -m ast
...
It seems to be kind of complicated but it's quite easy to understand and operate in fact.
نحوه نصب
نصب پکیج whl flowpython-0.2.3:
pip install flowpython-0.2.3.whl
نصب پکیج tar.gz flowpython-0.2.3:
pip install flowpython-0.2.3.tar.gz