From b678a621c57a6d3fdfac14bdbbef0ed743ab1742 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 8 Feb 2021 12:28:14 +0100 Subject: Adding upstream version 1.22.2. Signed-off-by: Daniel Baumann --- mycli/clistyle.py | 118 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 mycli/clistyle.py (limited to 'mycli/clistyle.py') diff --git a/mycli/clistyle.py b/mycli/clistyle.py new file mode 100644 index 0000000..c94f793 --- /dev/null +++ b/mycli/clistyle.py @@ -0,0 +1,118 @@ +import logging + +import pygments.styles +from pygments.token import string_to_tokentype, Token +from pygments.style import Style as PygmentsStyle +from pygments.util import ClassNotFound +from prompt_toolkit.styles.pygments import style_from_pygments_cls +from prompt_toolkit.styles import merge_styles, Style + +logger = logging.getLogger(__name__) + +# map Pygments tokens (ptk 1.0) to class names (ptk 2.0). +TOKEN_TO_PROMPT_STYLE = { + Token.Menu.Completions.Completion.Current: 'completion-menu.completion.current', + Token.Menu.Completions.Completion: 'completion-menu.completion', + Token.Menu.Completions.Meta.Current: 'completion-menu.meta.completion.current', + Token.Menu.Completions.Meta: 'completion-menu.meta.completion', + Token.Menu.Completions.MultiColumnMeta: 'completion-menu.multi-column-meta', + Token.Menu.Completions.ProgressButton: 'scrollbar.arrow', # best guess + Token.Menu.Completions.ProgressBar: 'scrollbar', # best guess + Token.SelectedText: 'selected', + Token.SearchMatch: 'search', + Token.SearchMatch.Current: 'search.current', + Token.Toolbar: 'bottom-toolbar', + Token.Toolbar.Off: 'bottom-toolbar.off', + Token.Toolbar.On: 'bottom-toolbar.on', + Token.Toolbar.Search: 'search-toolbar', + Token.Toolbar.Search.Text: 'search-toolbar.text', + Token.Toolbar.System: 'system-toolbar', + Token.Toolbar.Arg: 'arg-toolbar', + Token.Toolbar.Arg.Text: 'arg-toolbar.text', + Token.Toolbar.Transaction.Valid: 'bottom-toolbar.transaction.valid', + Token.Toolbar.Transaction.Failed: 'bottom-toolbar.transaction.failed', + Token.Output.Header: 'output.header', + Token.Output.OddRow: 'output.odd-row', + Token.Output.EvenRow: 'output.even-row', + Token.Prompt: 'prompt', + Token.Continuation: 'continuation', +} + +# reverse dict for cli_helpers, because they still expect Pygments tokens. +PROMPT_STYLE_TO_TOKEN = { + v: k for k, v in TOKEN_TO_PROMPT_STYLE.items() +} + + +def parse_pygments_style(token_name, style_object, style_dict): + """Parse token type and style string. + + :param token_name: str name of Pygments token. Example: "Token.String" + :param style_object: pygments.style.Style instance to use as base + :param style_dict: dict of token names and their styles, customized to this cli + + """ + token_type = string_to_tokentype(token_name) + try: + other_token_type = string_to_tokentype(style_dict[token_name]) + return token_type, style_object.styles[other_token_type] + except AttributeError as err: + return token_type, style_dict[token_name] + + +def style_factory(name, cli_style): + try: + style = pygments.styles.get_style_by_name(name) + except ClassNotFound: + style = pygments.styles.get_style_by_name('native') + + prompt_styles = [] + # prompt-toolkit used pygments tokens for styling before, switched to style + # names in 2.0. Convert old token types to new style names, for backwards compatibility. + for token in cli_style: + if token.startswith('Token.'): + # treat as pygments token (1.0) + token_type, style_value = parse_pygments_style( + token, style, cli_style) + if token_type in TOKEN_TO_PROMPT_STYLE: + prompt_style = TOKEN_TO_PROMPT_STYLE[token_type] + prompt_styles.append((prompt_style, style_value)) + else: + # we don't want to support tokens anymore + logger.error('Unhandled style / class name: %s', token) + else: + # treat as prompt style name (2.0). See default style names here: + # https://github.com/jonathanslenders/python-prompt-toolkit/blob/master/prompt_toolkit/styles/defaults.py + prompt_styles.append((token, cli_style[token])) + + override_style = Style([('bottom-toolbar', 'noreverse')]) + return merge_styles([ + style_from_pygments_cls(style), + override_style, + Style(prompt_styles) + ]) + + +def style_factory_output(name, cli_style): + try: + style = pygments.styles.get_style_by_name(name).styles + except ClassNotFound: + style = pygments.styles.get_style_by_name('native').styles + + for token in cli_style: + if token.startswith('Token.'): + token_type, style_value = parse_pygments_style( + token, style, cli_style) + style.update({token_type: style_value}) + elif token in PROMPT_STYLE_TO_TOKEN: + token_type = PROMPT_STYLE_TO_TOKEN[token] + style.update({token_type: cli_style[token]}) + else: + # TODO: cli helpers will have to switch to ptk.Style + logger.error('Unhandled style / class name: %s', token) + + class OutputStyle(PygmentsStyle): + default_style = "" + styles = style + + return OutputStyle -- cgit v1.2.3