COLORFUL UPDATE

Make output more and more and more colorful!

Change file structure and README.md

modules/utils/bar.py

@@ -67,3 +67,57 @@ class CompactBar(Bar):
                 line = ''.join([message, suffix])[:display_length]+"..."
                 shorten = len_abs(line)
         self.writeln(line, shorten=shorten)
+
+
+class CompactArrowBar(CompactBar):
+    def update(self):
+        """
+                覆写原有的update方法，自适应终端宽度
+                支持中文
+                """
+        filled_length = int(self.width * self.progress)
+        empty_length = self.width - filled_length
+
+        message = self.message % self
+        s = "=" * filled_length
+        if s:
+            s = s[:-1] + ">"
+        bar = color(s, fg=self.color)
+        empty = self.empty_fill * empty_length
+        suffix = self.suffix % self
+        line = ''.join([message, self.bar_prefix, bar, empty, self.bar_suffix,
+                        suffix])
+        # 以上为原本update代码
+        term_size = get_terminal_size().columns
+        shorten = False
+        if len_abs(line) > term_size:  # 检测完整长度是否小于终端长度
+            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
+                width = term_size - (len_abs(line) - len_abs("".join([bar, empty]))) - 1
+                filled_length = int(width * self.progress)
+                empty_length = width - filled_length
+                s = "=" * filled_length
+                if s:
+                    s = s[:-1] + ">"
+                bar = color(s, fg=self.color)
+                empty = self.empty_fill * empty_length
+                line = ''.join([message, self.bar_prefix, bar, empty, self.bar_suffix,
+                                suffix])
+                shorten = len_abs(line)
+            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
+                line = ''.join([message, suffix])
+                shorten = len_abs(line)
+            else:  # 全部不符合时，以仅有前缀后缀的模式，直接截断
+                display_length = term_size - get_more_length(''.join([message, suffix])[:term_size]) - 3
+                if display_length < 0:
+                    display_length = 0
+                line = ''.join([message, suffix])[:display_length] + "..."
+                shorten = len_abs(line)
+        self.writeln(line, shorten=shorten)
+
+
+def bprint(content, bar: CompactBar = None):
+    """添加对进度条的支持的print, 若传入bar参数, 则使用print_onto_bar参数来打印内容"""
+    if bar:
+        bar.print_onto_bar(content)
+    else:
+        print(content)

modules/utils/clear_screen.py

@@ -1,4 +1,4 @@
-"""包含一个函数，用来清空命令行的信息，自动判别系统"""
+"""用来清空命令行的信息，自动判别系统"""
 import os
 
 
@@ -9,4 +9,11 @@ def clear():
     elif name == "posix":
         os.system("clear")
     else:
-        os.system("clear")
+        os.system("clear")
+
+
+def cls_stay(self, custom=""):
+    """保留版本号清除屏幕"""
+    clear()
+    print(f"[NeteaseMusicLyricDownloader] {self.version}")
+    print(custom)