nbdev3

Author: jph00

fasttransform/cast.py

@@ -2,10 +2,10 @@
 
 # AUTOGENERATED! DO NOT EDIT! File to edit: ../nbs/00_cast.ipynb.
 
-# %% auto 0
+# %% auto #0
 __all__ = ['retain_meta', 'default_set_meta', 'cast', 'retain_type', 'retain_types', 'explode_types']
 
-# %% ../nbs/00_cast.ipynb 1
+# %% ../nbs/00_cast.ipynb #4af968d5
 from typing import Any
 
 from plum import dispatch, Function
@@ -15,14 +15,14 @@
 from fastcore.foundation import *
 from fastcore.utils import *
 
-# %% ../nbs/00_cast.ipynb 6
+# %% ../nbs/00_cast.ipynb #8fc704ac
 def retain_meta(x, res, as_copy=False):
     "Call `res.set_meta(x)`, if it exists"
     if hasattr(res,'set_meta'): res.set_meta(x, as_copy=as_copy)
     return res
 
 
-# %% ../nbs/00_cast.ipynb 7
+# %% ../nbs/00_cast.ipynb #5a973173
 def default_set_meta(self, x, as_copy=False):
     "Copy over `_meta` from `x` to `res`, if it's missing"
     if hasattr(x, '_meta') and not hasattr(self, '_meta'):
@@ -32,7 +32,7 @@ def default_set_meta(self, x, as_copy=False):
     return self
 
 
-# %% ../nbs/00_cast.ipynb 8
+# %% ../nbs/00_cast.ipynb #05108cf6
 def cast(x, typ):
     "cast `x` to type `typ` (may also change `x` inplace)"
     res = typ._before_cast(x) if hasattr(typ, '_before_cast') else x
@@ -43,7 +43,7 @@ def cast(x, typ):
         except: res = typ(res)
     return retain_meta(x, res)
 
-# %% ../nbs/00_cast.ipynb 15
+# %% ../nbs/00_cast.ipynb #1364fbd1
 def retain_type(new, old, ret_type=Any,as_copy=False):
     "Cast `new` to `ret_type` if given, or `old`'s type if `new` is a superclass of `old`. No conversion is done if `ret_type=None`"
     if new is None: return new
@@ -54,7 +54,7 @@ def retain_type(new, old, ret_type=Any,as_copy=False):
     if ret_type is NoneType or isinstance(new,ret_type): return new
     return retain_meta(old, cast(new, ret_type), as_copy=as_copy)   
 
-# %% ../nbs/00_cast.ipynb 40
+# %% ../nbs/00_cast.ipynb #f3cd995c
 def retain_types(new, old=None, typs=None):
     "Cast each item of `new` to type of matching item in `old` if it's a superclass"
     if not is_listy(new): 
@@ -69,7 +69,7 @@ def retain_types(new, old=None, typs=None):
     return t(L(new, old, typs).map_zip(retain_types, cycled=True))
 
 
-# %% ../nbs/00_cast.ipynb 42
+# %% ../nbs/00_cast.ipynb #c6f1ec26
 def explode_types(o):
     "Return the type of `o`, potentially in nested dictionaries for thing that are listy"
     if not is_listy(o): return type(o)

fasttransform/transform.py

@@ -2,11 +2,11 @@
 
 # AUTOGENERATED! DO NOT EDIT! File to edit: ../nbs/01_transform.ipynb.
 
-# %% auto 0
+# %% auto #0
 __all__ = ['Sig', 'Transform', 'InplaceTransform', 'DisplayedTransform', 'ItemTransform', 'get_func', 'Func', 'compose_tfms',
            'mk_transform', 'gather_attrs', 'gather_attr_names', 'Pipeline']
 
-# %% ../nbs/01_transform.ipynb 1
+# %% ../nbs/01_transform.ipynb #4af968d5
 from typing import Any
 import inspect
 
@@ -18,25 +18,25 @@
 
 from .cast import *
 
-# %% ../nbs/01_transform.ipynb 6
+# %% ../nbs/01_transform.ipynb #83a170a6
 def _get_name(o):
     if hasattr(o,'__qualname__'): return o.__qualname__
     if hasattr(o,'__name__'): return o.__name__
     return o.__class__.__name__
 
-# %% ../nbs/01_transform.ipynb 7
+# %% ../nbs/01_transform.ipynb #1e0369fe
 def _is_tuple(o): return isinstance(o, tuple) and not hasattr(o, '_fields')
 
-# %% ../nbs/01_transform.ipynb 8
+# %% ../nbs/01_transform.ipynb #d6cd8ac7
 _tfm_methods = 'encodes','decodes','setups'
 def _is_tfm_method(n, f): return n in _tfm_methods and callable(f)
 
-# %% ../nbs/01_transform.ipynb 9
+# %% ../nbs/01_transform.ipynb #7635ad80
 def _has_self_arg(f) -> bool:
     try: return f.__code__.co_varnames[0] == 'self'
     except (AttributeError, IndexError): return False
 
-# %% ../nbs/01_transform.ipynb 10
+# %% ../nbs/01_transform.ipynb #4d3d57e2-bd3c-431e-bfbb-b3043d4a8a7c
 def _merge_funcs(*fs):
     "Merge multiple plum Functions by combining their methods"
     fs = fs[::-1]  # overwrite old implementations with new ones
@@ -45,14 +45,14 @@ def _merge_funcs(*fs):
         for m in f.methods: res.dispatch(m.implementation)
     return res
 
-# %% ../nbs/01_transform.ipynb 12
+# %% ../nbs/01_transform.ipynb #ea6f80d3
 class _TfmDict(dict):
     def __setitem__(self, k, v):
         if not _is_tfm_method(k, v): return super().__setitem__(k,v)
         if k not in self: super().__setitem__(k, Function(v))
         self[k].dispatch(v)
 
-# %% ../nbs/01_transform.ipynb 13
+# %% ../nbs/01_transform.ipynb #3c9b4601
 class _TfmMeta(type):
     @classmethod
     def __prepare__(cls, name, bases): return _TfmDict()
@@ -82,7 +82,7 @@ def __new__(cls, name, bases, namespace):
         new_cls.__signature__ = inspect.signature(new_cls.__init__)
         return new_cls
 
-# %% ../nbs/01_transform.ipynb 14
+# %% ../nbs/01_transform.ipynb #26e38f6d
 class Transform(metaclass=_TfmMeta):
     "Delegates (`__call__`,`decode`,`setup`) to (<code>encodes</code>,<code>decodes</code>,<code>setups</code>) if `split_idx` matches"
     split_idx,init_enc,order,train_setup = None,None,0,None
@@ -137,21 +137,21 @@ def _do_call(self, nm, *args, **kwargs):
 
 add_docs(Transform, decode="Delegate to decodes to undo transform", setup="Delegate to setups to set up transform")
 
-# %% ../nbs/01_transform.ipynb 156
+# %% ../nbs/01_transform.ipynb #a494d4a5
 class InplaceTransform(Transform):
     "A `Transform` that modifies in-place and just returns whatever it's passed"
     def _call(self, fn, *args, split_idx=None, **kwargs):
         super()._call(fn,*args, split_idx=split_idx, **kwargs)
         return args[0]
 
-# %% ../nbs/01_transform.ipynb 160
+# %% ../nbs/01_transform.ipynb #d92cfd60
 class DisplayedTransform(Transform):
     "A transform with a `__repr__` that shows its attrs"
 
     @property
     def name(self): return f"{super().name} -- {getattr(self,'__stored_args__',{})}\n"
 
-# %% ../nbs/01_transform.ipynb 166
+# %% ../nbs/01_transform.ipynb #09e4c9ce
 class ItemTransform(Transform):
     "A transform that always take tuples as items"
     _retain = True
@@ -165,21 +165,21 @@ def _call1(self, x, name, **kwargs):
         return retain_type(y, x, Any)
 
 
-# %% ../nbs/01_transform.ipynb 175
+# %% ../nbs/01_transform.ipynb #2bce2ab9
 def get_func(t, name, *args, **kwargs):
     "Get the `t.name` (potentially partial-ized with `args` and `kwargs`) or `noop` if not defined"
     f = nested_callable(t, name)
     return f if not (args or kwargs) else partial(f, *args, **kwargs)
 
-# %% ../nbs/01_transform.ipynb 179
+# %% ../nbs/01_transform.ipynb #c7704028
 class Func():
     "Basic wrapper around a `name` with `args` and `kwargs` to call on a given type"
     def __init__(self, name, *args, **kwargs): self.name,self.args,self.kwargs = name,args,kwargs
     def __repr__(self): return f'sig: {self.name}({self.args}, {self.kwargs})'
     def _get(self, t): return get_func(t, self.name, *self.args, **self.kwargs)
     def __call__(self,t): return mapped(self._get, t)
 
-# %% ../nbs/01_transform.ipynb 182
+# %% ../nbs/01_transform.ipynb #cc174bb3
 class _Sig():
     def __getattr__(self,k):
         def _inner(*args, **kwargs): return Func(k, *args, **kwargs)
@@ -188,7 +188,7 @@ def _inner(*args, **kwargs): return Func(k, *args, **kwargs)
 Sig = _Sig()
 
 
-# %% ../nbs/01_transform.ipynb 188
+# %% ../nbs/01_transform.ipynb #63fa926a
 def compose_tfms(x, tfms, is_enc=True, reverse=False, **kwargs):
     "Apply all `func_nm` attribute of `tfms` on `x`, maybe in `reverse` order"
     if reverse: tfms = reversed(tfms)
@@ -198,13 +198,13 @@ def compose_tfms(x, tfms, is_enc=True, reverse=False, **kwargs):
     return x
 
 
-# %% ../nbs/01_transform.ipynb 193
+# %% ../nbs/01_transform.ipynb #3da3898b
 def mk_transform(f):
     "Convert function `f` to `Transform` if it isn't already one"
     f = instantiate(f)
     return f if isinstance(f,(Transform,Pipeline)) else Transform(f)
 
-# %% ../nbs/01_transform.ipynb 194
+# %% ../nbs/01_transform.ipynb #7456b063
 def gather_attrs(o, k, nm):
     "Used in __getattr__ to collect all attrs `k` from `self.{nm}`"
     if k.startswith('_') or k==nm: raise AttributeError(k)
@@ -213,12 +213,12 @@ def gather_attrs(o, k, nm):
     if not res: raise AttributeError(k)
     return res[0] if len(res)==1 else L(res)
 
-# %% ../nbs/01_transform.ipynb 195
+# %% ../nbs/01_transform.ipynb #f9965510
 def gather_attr_names(o, nm):
     "Used in __dir__ to collect all attrs `k` from `self.{nm}`"
     return L(getattr(o,nm)).map(dir).concat().unique()
 
-# %% ../nbs/01_transform.ipynb 196
+# %% ../nbs/01_transform.ipynb #a1928a2e
 class Pipeline:
     "A pipeline of composed (for encode/decode) transforms, setup with types"
     def __init__(self, funcs=None, split_idx=None):