# -*- coding: utf-8 -*- from __future__ import unicode_literals import logging import itertools from six.moves import range from curtsies import fsarray, fmtstr from curtsies.formatstring import linesplit from curtsies.fmtfuncs import bold from bpython.curtsiesfrontend.parse import func_for_letter from bpython._py3compat import py3 if not py3: import inspect logger = logging.getLogger(__name__) # All paint functions should # * return an array of the width they were asked for # * return an array not taller than the height they were asked for def display_linize(msg, columns, blank_line=False): """Returns lines obtained by splitting msg over multiple lines. Warning: if msg is empty, returns an empty list of lines""" display_lines = ([msg[start:end] for start, end in zip( range(0, len(msg), columns), range(columns, len(msg) + columns, columns))] if msg else ([''] if blank_line else [])) return display_lines def paint_history(rows, columns, display_lines): lines = [] for r, line in zip(range(rows), display_lines[-rows:]): lines.append(fmtstr(line[:columns])) r = fsarray(lines, width=columns) assert r.shape[0] <= rows, repr(r.shape) + ' ' + repr(rows) assert r.shape[1] <= columns, repr(r.shape) + ' ' + repr(columns) return r def paint_current_line(rows, columns, current_display_line): lines = display_linize(current_display_line, columns, True) return fsarray(lines, width=columns) def matches_lines(rows, columns, matches, current, config, format): highlight_color = func_for_letter(config.color_scheme['operator'].lower()) if not matches: return [] color = func_for_letter(config.color_scheme['main']) max_match_width = max(len(m) for m in matches) words_wide = max(1, (columns - 1) // (max_match_width + 1)) matches = [format(m) for m in matches] if current: current = format(current) matches_lines = [fmtstr(' ').join(color(m.ljust(max_match_width)) if m != current else highlight_color( m.ljust(max_match_width)) for m in matches[i:i+words_wide]) for i in range(0, len(matches), words_wide)] logger.debug('match: %r' % current) logger.debug('matches_lines: %r' % matches_lines) return matches_lines def formatted_argspec(funcprops, arg_pos, columns, config): # Pretty directly taken from bpython.cli func = funcprops.func args = funcprops.argspec.args kwargs = funcprops.argspec.defaults _args = funcprops.argspec.varargs _kwargs = funcprops.argspec.varkwargs is_bound_method = funcprops.is_bound_method if py3: kwonly = funcprops.argspec.kwonly kwonly_defaults = funcprops.argspec.kwonly_defaults or dict() arg_color = func_for_letter(config.color_scheme['name']) func_color = func_for_letter(config.color_scheme['name'].swapcase()) punctuation_color = func_for_letter(config.color_scheme['punctuation']) token_color = func_for_letter(config.color_scheme['token']) bolds = {token_color: lambda x: bold(token_color(x)), arg_color: lambda x: bold(arg_color(x))} s = func_color(func) + arg_color(': (') if is_bound_method and isinstance(arg_pos, int): # TODO what values could this have? arg_pos += 1 for i, arg in enumerate(args): kw = None if kwargs and i >= len(args) - len(kwargs): kw = str(kwargs[i - (len(args) - len(kwargs))]) color = token_color if arg_pos in (i, arg) else arg_color if i == arg_pos or arg == arg_pos: color = bolds[color] if not py3: s += color(inspect.strseq(arg, unicode)) else: s += color(arg) if kw is not None: s += punctuation_color('=') if not py3: kw = kw.decode('ascii', 'replace') s += token_color(kw) if i != len(args) - 1: s += punctuation_color(', ') if _args: if args: s += punctuation_color(', ') s += token_color('*%s' % (_args,)) if py3 and kwonly: if not _args: if args: s += punctuation_color(', ') s += punctuation_color('*') marker = object() for arg in kwonly: s += punctuation_color(', ') color = token_color if arg_pos: color = bolds[color] s += color(arg) default = kwonly_defaults.get(arg, marker) if default is not marker: s += punctuation_color('=') s += token_color(repr(default)) if _kwargs: if args or _args or (py3 and kwonly): s += punctuation_color(', ') s += token_color('**%s' % (_kwargs,)) s += punctuation_color(')') return linesplit(s, columns) def formatted_docstring(docstring, columns, config): color = func_for_letter(config.color_scheme['comment']) return sum(([color(x) for x in (display_linize(line, columns) if line else fmtstr(''))] for line in docstring.split('\n')), []) def paint_infobox(rows, columns, matches, funcprops, arg_pos, match, docstring, config, format): """Returns painted completions, funcprops, match, docstring etc.""" if not (rows and columns): return fsarray(0, 0) width = columns - 4 lines = ((formatted_argspec(funcprops, arg_pos, width, config) if funcprops else []) + (matches_lines(rows, width, matches, match, config, format) if matches else []) + (formatted_docstring(docstring, width, config) if docstring else [])) def add_border(line): """Add colored borders left and right to a line.""" new_line = border_color(config.left_border + ' ') new_line += line.ljust(width)[:width] new_line += border_color(' ' + config.right_border) return new_line border_color = func_for_letter(config.color_scheme['main']) top_line = border_color(config.left_top_corner + config.top_border * (width + 2) + config.right_top_corner) bottom_line = border_color(config.left_bottom_corner + config.bottom_border * (width + 2) + config.right_bottom_corner) output_lines = list(itertools.chain((top_line, ), map(add_border, lines), (bottom_line, ))) r = fsarray(output_lines[:min(rows - 1, len(output_lines) - 1)] + output_lines[-1:]) return r def paint_last_events(rows, columns, names, config): if not names: return fsarray([]) width = min(max(len(name) for name in names), columns - 2) output_lines = [] output_lines.append(config.left_top_corner+config.top_border * width + config.right_top_corner) for name in reversed(names[max(0, len(names) - (rows - 2)):]): output_lines.append(config.left_border + name[:width].center(width) + config.right_border) output_lines.append(config.left_bottom_corner + config.bottom_border * width + config.right_bottom_corner) return fsarray(output_lines) def paint_statusbar(rows, columns, msg, config): func = func_for_letter(config.color_scheme['main']) return fsarray([func(msg.ljust(columns))[:columns]])