dev(hansbug): add generic_flatten, generic_unflatten and register_integrate_container for integration module

[HansBug]

Description

Please review #79 before review this pr.

from collections import namedtuple
from dataclasses import dataclass

from easydict import EasyDict

from treevalue import FastTreeValue, generic_flatten, generic_unflatten


class MyTreeValue(FastTreeValue):
    pass


@dataclass
class DC:
    x: int
    y: float

    def __repr__(self):
        return f'DC({self.x}, {self.y})'


nt = namedtuple('nt', ['a', 'b'])

origin = {
    'a': 1,
    'b': [2, 3, 'f', ],
    'c': (2, 5, 'ds', EasyDict({  # dict's child class
        'x': None,
        'z': DC(34, '1.2'),  # dataclass
    })),
    'd': nt('f', 100),  # namedtuple
    'e': MyTreeValue({'x': 1, 'y': 'dsfljk'})  # treevalue
}
v, spec = generic_flatten(origin)
print(v)

rv = generic_unflatten(v, spec)
print(rv)

Check List

• merge the latest version source branch/repo, and resolve all the conflicts
• pass style check
• pass all the tests

[codecov]

Codecov Report

Merging #81 (dd9ff51) into main (adc645e) will decrease coverage by 0.04%.
The diff coverage is 97.97%.

@@            Coverage Diff             @@
##             main      #81      +/-   ##
==========================================
- Coverage   99.04%   99.00%   -0.04%     
==========================================
  Files          42       43       +1     
  Lines        2624     2723      +99     
==========================================
+ Hits         2599     2696      +97     
- Misses         25       27       +2     

Flag	Coverage Δ
unittests	99.00% <97.97%> (-0.04%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
treevalue/tree/integration/base.pyx	100.00% <ø> (ø)
treevalue/tree/integration/general.pyx	97.95% <97.95%> (ø)
treevalue/tree/integration/__init__.py	100.00% <100.00%> (ø)

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[HansBug]

Maybe some great new features for sail-sg/envpool#246 and sail-sg/envpool#249.