X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/72a84d4099f2930979bd1ca1d9e441140b0a304d..0b62b9c9a44a995e44d64ecf7cc08d8d7037642d:/src/black/handle_ipynb_magics.py?ds=sidebyside diff --git a/src/black/handle_ipynb_magics.py b/src/black/handle_ipynb_magics.py index 8ae9d2e..55ef226 100644 --- a/src/black/handle_ipynb_magics.py +++ b/src/black/handle_ipynb_magics.py @@ -1,22 +1,21 @@ """Functions to process IPython magics with.""" -from functools import lru_cache -import dataclasses import ast -from typing import Dict, List, Tuple, Optional - +import collections +import dataclasses import secrets import sys -import collections +from functools import lru_cache +from importlib.util import find_spec +from typing import Dict, List, Optional, Tuple if sys.version_info >= (3, 10): from typing import TypeGuard else: from typing_extensions import TypeGuard -from black.report import NothingChanged from black.output import out - +from black.report import NothingChanged TRANSFORMED_MAGICS = frozenset( ( @@ -37,20 +36,15 @@ TOKENS_TO_IGNORE = frozenset( "ESCAPED_NL", ) ) -NON_PYTHON_CELL_MAGICS = frozenset( +PYTHON_CELL_MAGICS = frozenset( ( - "bash", - "html", - "javascript", - "js", - "latex", - "markdown", - "perl", - "ruby", - "script", - "sh", - "svg", - "writefile", + "capture", + "prun", + "pypy", + "python", + "python3", + "time", + "timeit", ) ) TOKEN_HEX = secrets.token_hex @@ -62,21 +56,18 @@ class Replacement: src: str -@lru_cache() -def jupyter_dependencies_are_installed(*, verbose: bool, quiet: bool) -> bool: - try: - import IPython # noqa:F401 - import tokenize_rt # noqa:F401 - except ModuleNotFoundError: - if verbose or not quiet: - msg = ( - "Skipping .ipynb files as Jupyter dependencies are not installed.\n" - "You can fix this by running ``pip install black[jupyter]``" - ) - out(msg) - return False - else: - return True +@lru_cache +def jupyter_dependencies_are_installed(*, warn: bool) -> bool: + installed = ( + find_spec("tokenize_rt") is not None and find_spec("IPython") is not None + ) + if not installed and warn: + msg = ( + "Skipping .ipynb files as Jupyter dependencies are not installed.\n" + 'You can fix this by running ``pip install "black[jupyter]"``' + ) + out(msg) + return installed def remove_trailing_semicolon(src: str) -> Tuple[str, bool]: @@ -95,11 +86,7 @@ def remove_trailing_semicolon(src: str) -> Tuple[str, bool]: Mirrors the logic in `quiet` from `IPython.core.displayhook`, but uses ``tokenize_rt`` so that round-tripping works fine. """ - from tokenize_rt import ( - src_to_tokens, - tokens_to_src, - reversed_enumerate, - ) + from tokenize_rt import reversed_enumerate, src_to_tokens, tokens_to_src tokens = src_to_tokens(src) trailing_semicolon = False @@ -123,7 +110,7 @@ def put_trailing_semicolon_back(src: str, has_trailing_semicolon: bool) -> str: """ if not has_trailing_semicolon: return src - from tokenize_rt import src_to_tokens, tokens_to_src, reversed_enumerate + from tokenize_rt import reversed_enumerate, src_to_tokens, tokens_to_src tokens = src_to_tokens(src) for idx, token in reversed_enumerate(tokens): @@ -230,8 +217,6 @@ def replace_cell_magics(src: str) -> Tuple[str, List[Replacement]]: cell_magic_finder.visit(tree) if cell_magic_finder.cell_magic is None: return src, replacements - if cell_magic_finder.cell_magic.name in NON_PYTHON_CELL_MAGICS: - raise NothingChanged header = cell_magic_finder.cell_magic.header mask = get_token(src, header) replacements.append(Replacement(mask=mask, src=header)) @@ -343,7 +328,8 @@ class CellMagicFinder(ast.NodeVisitor): For example, - %%time\nfoo() + %%time\n + foo() would have been transformed to