fastcore の API リファレンス

fastcore (AnswerDotAI/fastcore) の公開 API 187 件 —— クラス 30、関数 155、メソッド 2。実際のソースを静的解析して抽出した正確なシグネチャを掲載しています。

種別	件数
クラス	30
関数	155
メソッド	2

API 一覧

classfastcore.aio.CachedAwaitable

Cache the result from an awaitable

funcfastcore.aio.acache(f)

Cache results of async function `f`

funcfastcore.aio.disable_async_magics(ip)

Undo `enable_async_magics` on `ip`

funcfastcore.aio.maybe_await(o)

Await `o` if needed, and return it

funcfastcore.aio.noopa(x=None, *args, **kwargs)

Do nothing (async)

funcfastcore.ansi.ansi2html(text)

Convert ANSI colors to HTML colors.

funcfastcore.ansi.ansi2latex(text)

Convert ANSI colors to LaTeX colors.

funcfastcore.ansi.strip_ansi(source, term_queries:bool=False)

Remove ANSI escape codes from text.

funcfastcore.apisurface.snake(s:str)

Convert an identifier-ish string to snake_case.

classfastcore.basics.BasicRepr

Base class for objects needing a basic `__repr__`

classfastcore.basics.DepProp

Property decorator with dependency update triggering

classfastcore.basics.Float

An extensible `float`

classfastcore.basics.GetAttrBase

Basic delegation of `__getattr__` and `__dir__`

classfastcore.basics.ImportEnum

An `Enum` that can have its values imported

classfastcore.basics.Inf

Infinite lists

classfastcore.basics.Int

An extensible `int`

classfastcore.basics.NotStr

Behaves like a `str`, but isn't an instance of one

classfastcore.basics.PrettyString

Little hack to get strings to show properly in Jupyter.

classfastcore.basics.ShowPrint

Base class that prints for `show`

classfastcore.basics.Str

An extensible `str`

classfastcore.basics.StrEnum

An `ImportEnum` that behaves like a `str`

classfastcore.basics.ValEnum

An `ImportEnum` that stringifies using values

classfastcore.basics.adict

`dict` subclass that also provides access to keys as attrs

funcfastcore.basics.anno_ret(func)

Get the return annotation of `func`

funcfastcore.basics.annotations(o)

Annotations for `o`, or `type(o)`

funcfastcore.basics.basic_repr(flds=None)

Minimal `__repr__`

funcfastcore.basics.camel2snake(name)

Convert CamelCase to snake_case

funcfastcore.basics.camel2words(s, space=' ')

Convert CamelCase to 'spaced words'

funcfastcore.basics.compile_re(pat)

Compile `pat` if it's not None

funcfastcore.basics.concat(colls) -> list

Concatenate all collections and items as a list

funcfastcore.basics.getattrs(o, *default=None, *attrs)

List of all `attrs` in `o`

funcfastcore.basics.getcallable(o, attr)

Calls `getattr` with a default of `noop`

funcfastcore.basics.hasattrs(o, attrs)

Test whether `o` contains all `attrs`

funcfastcore.basics.humanize(x)

Concise human-readable `x`, e.g.

funcfastcore.basics.ifnone(a, b)

`b` if `a` is None else `a`

classfastcore.basics.ignore_exceptions

Context manager to ignore exceptions

funcfastcore.basics.in_(x, a)

`True` if `x in a`

funcfastcore.basics.is_array(x)

`True` if `x` supports `__array__` or `iloc`

funcfastcore.basics.joins(sep, its)

Sugar for `sep.join(map(str, its))`

funcfastcore.basics.listify(o=None, *use_list=False, *match=None, *rest)

Convert `o` to a `list`

funcfastcore.basics.mapt(func, *iterables)

Tuplified `map`

funcfastcore.basics.maybe_attr(o, attr)

`getattr(o,attr,o)`

funcfastcore.basics.merge(*ds)

Merge all dictionaries in `ds`

funcfastcore.basics.negate(f)

Returns the negation of `f`

funcfastcore.basics.num_cpus()

Get number of cpus

funcfastcore.basics.otherwise(x, tst, y)

`y if tst(x) else x`

funcfastcore.basics.partition(coll, f)

Partition a collection by a predicate

funcfastcore.basics.range_of(x)

All indices of collection `x` (i.e.

funcfastcore.basics.ret_false(*args, **kwargs)

Predicate: always `False`

funcfastcore.basics.ret_true(*args, **kwargs)

Predicate: always `True`

funcfastcore.basics.risinstance(types, obj=None)

Curried `isinstance` but with args reversed

funcfastcore.basics.set_nested_idx(coll, value, *idxs)

Set value indexed like `nested_idx

funcfastcore.basics.setify(o)

Turn any list like-object into a set.

funcfastcore.basics.snake2camel(s)

Convert snake_case to CamelCase

funcfastcore.basics.str2date(s:str) -> date

`date.fromisoformat` with empty string handling

funcfastcore.basics.str2dt(s:str) -> datetime

`datetime.fromisoformat` with `Z` suffix and empty string handling

funcfastcore.basics.str2float(s:str)

Convert `s` to a float

funcfastcore.basics.str2int(s) -> int

Convert `s` to an `int`

funcfastcore.basics.str2list(s:str)

Convert `s` to a list

funcfastcore.basics.str_enum(name, *vals)

Simplified creation of `StrEnum` types

funcfastcore.basics.strcat(its, sep:str='') -> str

Concatenate stringified items `its`

funcfastcore.basics.tonull(x)

Convert `None` to `null`

funcfastcore.basics.try_attrs(obj, *attrs)

Return first attr that exists in `obj`

funcfastcore.basics.tuplify(o, use_list=False, match=None)

Make `o` a tuple

funcfastcore.basics.val2idx(x)

Dict from value to index

classfastcore.docments.MarkdownRenderer

Markdown renderer for `show_doc`

funcfastcore.docments.docments(s, full=False, eval_str=False, returns=True, args_kwargs=False)

Get docments for `s`

funcfastcore.docments.get_dataclass_source(s)

Get source code for dataclass `s`

funcfastcore.docments.get_name(obj)

Get the name of `obj`

funcfastcore.docments.parse_docstring(sym)

Parse a numpy-style docstring in `sym`

funcfastcore.docments.qual_name(obj)

Get the qualified name of `obj`

classfastcore.docscrape.NumpyDocString

Parses a numpydoc string to an abstract representation

classfastcore.docscrape.Reader

A line-based string reader.

funcfastcore.docscrape.dedent_lines(lines, split=True)

Deindent a list of lines maximally

classfastcore.foundation.CollBase

Base class for composing a list of `items`

classfastcore.foundation.L

Behaves like a list of `items` but can also index with list of indices or masks

funcfastcore.foundation.accumulate(self:L, f=operator.add, initial=None)

Same as `itertools.accumulate`

funcfastcore.foundation.argfirst(self:L, f, negate=False)

Return index of first matching item

funcfastcore.foundation.combinations(self:L, r)

Same as `itertools.combinations`

funcfastcore.foundation.compress(self:L, selectors)

Same as `itertools.compress`

funcfastcore.foundation.concat(self:L)

Concatenate all elements of list

funcfastcore.foundation.copy(self:L)

Same as `list.copy`, but returns an `L`

funcfastcore.foundation.dropwhile(self:L, f)

Same as `itertools.dropwhile`

funcfastcore.foundation.enumerate(self:L)

Same as `enumerate`

funcfastcore.foundation.first(self:L, f, negate=False)

Return first matching item

funcfastcore.foundation.flatten(self:L)

Recursively flatten nested iterables (except strings)

funcfastcore.foundation.groupby(self:L, key, val=noop)

Same as `fastcore.basics.groupby`

funcfastcore.foundation.is_bool(x)

Check whether `x` is a bool or None

funcfastcore.foundation.itemgot(self:L, *idxs)

Create new `L` with item `idx` of all `items`

funcfastcore.foundation.last(self:L, f, negate=False)

Return last matching item

funcfastcore.foundation.map_first(self:L, f=noop, g=noop, *args, **kwargs)

First element of `map_filter`

funcfastcore.foundation.pairwise(self:L)

Same as `itertools.pairwise`

funcfastcore.foundation.permutations(self:L, r=None)

Same as `itertools.permutations`

funcfastcore.foundation.range(cls:L, a, b=None, step=None)

Class Method: Same as `range`, but returns `L`.

funcfastcore.foundation.reduce(self:L, f, initial=None)

Wrapper for `functools.reduce`

funcfastcore.foundation.renumerate(self:L)

Same as `renumerate`

funcfastcore.foundation.setattrs(self:L, attr, val)

Call `setattr` on all items

funcfastcore.foundation.shuffle(self:L)

Same as `random.shuffle`, but not inplace

funcfastcore.foundation.sorted(self:L, key=None, reverse=False, cmp=None, **kwargs)

New `L` sorted by `key`, using `sort_ex`.

funcfastcore.foundation.split(cls:L, s, sep=None, maxsplit=-1)

Class Method: Same as `str.split`, but returns an `L`

funcfastcore.foundation.sum(self:L)

Sum of the items

funcfastcore.foundation.takewhile(self:L, f)

Same as `itertools.takewhile`

funcfastcore.foundation.unique(self:L, sort=False, bidir=False, start=None)

Unique items, in stable order

funcfastcore.foundation.val2idx(self:L)

Dict from value to index

funcfastcore.foundation.zip(self:L, cycled=False)

Create new `L` with `zip(*items)`

func

fastcore.funccall.get_schema(f:Union[callable, dict], pname='input_schema', evalable=False, skip_hidden=False, name=None) -> dict

Generate JSON schema for a class, function, or method

funcfastcore.imports.is_coll(o)

Test whether `o` is a collection (i.e.

funcfastcore.imports.is_iter(o)

Test whether `o` can be used in a `for` loop

funcfastcore.imports.noop(x=None, *args, **kwargs)

Do nothing

funcfastcore.imports.noops(self, x=None, *args, **kwargs)

Do nothing (method)

funcfastcore.imports.remove_prefix(text, prefix)

Temporary until py39 is a prereq

funcfastcore.imports.remove_suffix(text, suffix)

Temporary until py39 is a prereq

classfastcore.meta.NewChkMeta

Metaclass to avoid recreating object passed to constructor

funcfastcore.meta.empty2none(p)

Replace `Parameter.empty` with `None`

funcfastcore.meta.method(f)

Mark `f` as a method

classfastcore.nbio.Notebook

Read, query, and edit Jupyter notebooks

funcfastcore.nbio.cell2xml(cell, ids=True, incl_out=True)

Convert NbCell to concise XML format

funcfastcore.nbio.deep_merge(d:dict, u:dict)

Copy of `d` updated by `u`

funcfastcore.nbio.dict2nb(js=None, **kwargs)

Convert dict `js` to an `AttrDict`,

funcfastcore.nbio.mk_cell(text, cell_type='code', **kwargs)

Create an `NbCell` containing `text`

funcfastcore.nbio.mk_stream(name, text)

Helper to create an output stream dict

funcfastcore.nbio.nb2dict(d, k=None)

Convert parsed notebook to `dict`

funcfastcore.nbio.nb2str(nb)

Convert `nb` to a `str`

funcfastcore.nbio.new_nb(cells=None, meta=None, nbformat=4, nbformat_minor=5)

Returns an empty new notebook

funcfastcore.nbio.read_nb(path)

Return notebook at `path` (expands `~`)

funcfastcore.nbio.summary(self:Notebook, maxlen=120)

One `CellRow` line per cell

funcfastcore.nbio.write_nb(nb, path)

Write `nb` to `path` (expands `~`)

funcfastcore.net.is_port_free(port, host='localhost')

Is `port` free on `host`?

funcfastcore.net.tobytes(s:str) -> bytes

Convert `s` into HTTP-ready bytes format

funcfastcore.net.urljson(url, data=None, headers=None, timeout=None)

Retrieve `url` and decode json

funcfastcore.net.urlvalid(x)

Test if `x` is a valid URL

funcfastcore.net.waitfor_async(f, timeout=20, msg=None)

Async version of `waitfor`

funcfastcore.py2pyi.has_deco(node:Union[ast.FunctionDef, ast.AsyncFunctionDef], name:str) -> bool

Check if a function node `node` has a decorator named `name`

funcfastcore.script.args_from_prog(func, prog)

Extract args from `prog`

classfastcore.style.Style

A minimal terminal text styler.

classfastcore.style.StyleCode

An escape sequence for styling terminal text.

classfastcore.test.ExceptionExpected

Context manager that tests if an exception is raised.

funcfastcore.test.is_close(a, b, eps=1e-05)

Is `a` within `eps` of `b`

funcfastcore.test.nequals(a, b)

Compares `a` and `b` for `not equals`

funcfastcore.tools.create_file(path:str, contents:str, overwrite:bool=False)

Create a new file with contents.

funcfastcore.tools.insert_line(text:str, insert_line:int, new_str:str)

Insert new_str at specified line number

funcfastcore.tools.line_hash(line:str) -> str

4-char hex hash of `line`

funcfastcore.tools.lnhash(lineno:int, line:str) -> str

`lineno|hash|` exhash address for `line` at `lineno`

funcfastcore.tools.lnhash_at(s:str | list | tuple, line:int) -> str

`lineno|hash|` exhash address of line `line` of `s`

funcfastcore.xdg.xdg_cache_home()

Path corresponding to `XDG_CACHE_HOME`

funcfastcore.xdg.xdg_config_dirs()

Paths corresponding to `XDG_CONFIG_DIRS`

funcfastcore.xdg.xdg_config_home()

Path corresponding to `XDG_CONFIG_HOME`

funcfastcore.xdg.xdg_data_dirs()

Paths corresponding to XDG_DATA_DIRS`

funcfastcore.xdg.xdg_data_home()

Path corresponding to `XDG_DATA_HOME`

funcfastcore.xdg.xdg_runtime_dir()

Path corresponding to `XDG_RUNTIME_DIR`

funcfastcore.xdg.xdg_state_home()

Path corresponding to `XDG_STATE_HOME`

classfastcore.xml.FT

A 'Fast Tag' structure, containing `tag`,`children`,and `attrs`

methodfastcore.xml.FT.set(*c, **kw)

Set children and/or attributes (chainable)

funcfastcore.xml.Html(*doctype=True, *c, **kwargs) -> FT

An HTML tag, optionally preceeded by `!DOCTYPE HTML`

funcfastcore.xml.ft(tag:str, *void_:bool=False, *attrmap:callable=attrmap, *valmap:callable=valmap, *ft_cls=FT, *c, **kw)

Create an `FT` structure for `to_xml()`

classfastcore.xtras.CachedIter

Cache the result returned by an iterator

classfastcore.xtras.Config

Reading and writing `ConfigParser` ini files

classfastcore.xtras.EventTimer

An event timer with history of `store` items of time `span`

methodfastcore.xtras.EventTimer.add(n=1)

Record `n` events

funcfastcore.xtras.asave_iter(g)

Like `save_iter`, but for async iterators

funcfastcore.xtras.console_help(libname:str)

Show help for all console scripts from `libname`

funcfastcore.xtras.delete(self:Path)

Delete a file, symlink, or directory tree

funcfastcore.xtras.flexiclass(cls) -> dataclass

Convert `cls` into a `dataclass` like `make_nullable`.

funcfastcore.xtras.get_source_link(func)

Return link to `func` in source code

funcfastcore.xtras.hl_md(s, lang='html', show=True)

Syntax highlight `s` using `lang`.

funcfastcore.xtras.is_namedtuple(cls)

`True` if `cls` is a namedtuple type

funcfastcore.xtras.is_typeddict(cls:type) -> bool

Check if `cls` is a `TypedDict`

funcfastcore.xtras.load_mod(name, path)

Load module `name` from file `path`

funcfastcore.xtras.loads(s, **kw)

Same as `json.loads`, but handles `None`

funcfastcore.xtras.local2utc(dt:datetime) -> datetime

Convert `dt` from local to UTC time

funcfastcore.xtras.ls(self:Path, n_max=None, file_type=None, file_exts=None)

Contents of path as a list

funcfastcore.xtras.modify_exception(e:Exception, msg:str=None, replace:bool=False) -> Exception

Modifies `e` with a custom message attached

funcfastcore.xtras.normpath(self:Path)

Normalize path, eliminating double slashes, etc.

funcfastcore.xtras.parse_env(s:str=None, fn:Union[str, Path]=None) -> dict

Parse a shell-style environment string or file

funcfastcore.xtras.pglob(path:Path | str='.', func:callable=Path, **kwargs) -> L

Shortcut for `globtastic(..., call=Path)`

funcfastcore.xtras.read_json(self:Path, encoding=None, errors=None)

Same as `read_text` followed by `loads`

funcfastcore.xtras.readlines(self:Path, hint=-1, encoding='utf8')

Read the content of `self`

funcfastcore.xtras.rtoken_hex(nbytes:int=16) -> str

Generate a random hex string using Python's random module.

funcfastcore.xtras.shell(*args, **kwargs)

Shortcut for `subprocess.run(shell=True)`

funcfastcore.xtras.ssh(host, args='', user='ubuntu', sock=None)

Run SSH command with given arguments

funcfastcore.xtras.str_diff(a:str, b:str, n:int=1, names:tuple=None) -> str

Unified diff of `a` and `b`

funcfastcore.xtras.stringfmt_names(s:str) -> list

Unique brace-delimited names in `s`

funcfastcore.xtras.trace(f)

Add `set_trace` to an existing function `f`

funcfastcore.xtras.type2str(typ:type) -> str

Stringify `typ`

funcfastcore.xtras.utc2local(dt:datetime) -> datetime

Convert `dt` from UTC to local time

funcfastcore.xtras.vars_pub(x)

Get public non-skipped vars

funcfastcore.xtras.write_json(self:Path, data, encoding=None, errors=None, mode=511, uid=-1, gid=-1, **kw)

Same as `dumps`followed by `mk_write`

この情報について

掲載しているシグネチャは AnswerDotAI/fastcore の公開ソースコードを Python の ast モジュールで静的解析し、引数名・デフォルト値・型注釈・戻り値型をそのまま抽出したものです。実装コードは保存していません。詳しくは仕組みの解説をご覧ください。

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