70 lines
3.2 KiB
Python
70 lines
3.2 KiB
Python
"""修改了进度条"""
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from os import get_terminal_size
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from progress.bar import Bar
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from progress.colors import color
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from modules.utils.length import get_more_length, len_abs
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class CompactBar(Bar):
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def print_onto_bar(self, message: str):
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"""在进度条的上方打印消息，进度条保持在下方"""
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# 光标移动到行首，并通过打印空格清空残留的进度条 ↓
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print(f"\x1b[{get_terminal_size().columns}D{(get_terminal_size().columns - 1) * ' '}"
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# 光标移动到该行的首部(\x1b[nD, n为前移个数)，将需要的信息打印出来，再将光标移动到下一行 ↓
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f"\x1b[{get_terminal_size().columns}D" + message)
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self.update() # 更新进度条
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def writeln(self, line, shorten=False):
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"""覆写writeln配合修改过后的update"""
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if self.file and self.is_tty():
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width = len_abs(line)
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if shorten:
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self._max_width = shorten
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elif width < self._max_width:
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# Add padding to cover previous contents
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line += ' ' * (self._max_width - width)
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else:
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self._max_width = width
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print('\r' + line, end='', file=self.file)
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self.file.flush()
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def update(self):
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"""
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覆写原有的update方法，自适应终端宽度
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支持中文
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"""
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filled_length = int(self.width * self.progress)
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empty_length = self.width - filled_length
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message = self.message % self
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bar = color(self.fill * filled_length, fg=self.color)
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empty = self.empty_fill * empty_length
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suffix = self.suffix % self
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line = ''.join([message, self.bar_prefix, bar, empty, self.bar_suffix,
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suffix])
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# 以上为原本update代码
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term_size = get_terminal_size().columns
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shorten = False
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if len_abs(line) > term_size: # 检测完整长度是否小于终端长度
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if len_abs(line) - len_abs(''.join([bar, empty])) <= term_size: # 检测无进度条时是否小于终端长度
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width = term_size - (len_abs(line) - len_abs("".join([bar, empty]))) - 1
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filled_length = int(width * self.progress)
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empty_length = width - filled_length
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bar = color(self.fill * filled_length, fg=self.color)
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empty = self.empty_fill * empty_length
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line = ''.join([message, self.bar_prefix, bar, empty, self.bar_suffix,
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suffix])
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shorten = len_abs(line)
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elif len_abs(''.join([message, suffix])) <= term_size: # 检测仅有前缀后缀时是否小于终端长度
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line = ''.join([message, suffix])
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shorten = len_abs(line)
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else: # 全部不符合时，以仅有前缀后缀的模式，直接截断
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display_length = term_size-get_more_length(''.join([message, suffix])[:term_size])-3
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if display_length < 0:
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display_length = 0
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line = ''.join([message, suffix])[:display_length]+"..."
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shorten = len_abs(line)
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self.writeln(line, shorten=shorten)
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