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79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
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from . import tty
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from . import widechar
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class KeyValueTable:
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class NewLine:
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pass
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def __init__(self):
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self.rows = []
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def add(self, key, value, color=None, key_color=None, indent=0):
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if value is None:
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lines = []
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elif isinstance(value, (list, tuple)):
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lines = value[:]
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else:
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lines = value.splitlines()
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if not lines:
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lines = [""]
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# add the first line with the key
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self.rows.append((key, lines[0], color, key_color, indent))
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# then add the continuation lines without the key
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for line in lines[1:]:
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self.rows.append(("", line, color, key_color, 0))
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def newline(self):
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self.rows.append((self.NewLine, None, None, None, 0))
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def __str__(self):
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if not self.rows:
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return ""
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col1_width = max([widechar.wc_width(key) + indent for key, _, _, _, indent in self.rows if key != self.NewLine])
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result = []
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skip = False
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for row_num in range(len(self.rows)):
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if skip:
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skip = False
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continue
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key, value, color, key_color, indent = self.rows[row_num]
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if key == self.NewLine:
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result.append("")
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continue
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next_indent = 0 # fake value
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if not value and row_num < len(self.rows) - 1:
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# let's peek if there's a continuation line we could merge instead of the blank value
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next_key, next_value, next_color, next_key_color, next_indent = self.rows[row_num + 1]
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if not next_key:
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value = next_value
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color = next_color
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key_color = next_key_color
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row_num += 1
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skip = True
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line = indent * " "
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if not value and next_indent > 0:
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# no value, the key represents a section followed by indented keys -> skip ljust() and " : " separator
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line += tty.colorize(key, key_color)
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else:
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line += tty.colorize(widechar.wc_ljust(key, col1_width - indent), key_color)
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if not key:
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# continuation line without a key -> skip " : " separator
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line += " "
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else:
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line += " : "
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line += tty.colorize(value, color)
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result.append(line)
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return "\n".join(result)
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