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+#!/usr/bin/env python
+"""
+A very simple progress bar which keep track of the progress as we consume an
+iterator.
+"""
+import time
+
+from prompt_toolkit.formatted_text import HTML
+from prompt_toolkit.shortcuts import ProgressBar
+from prompt_toolkit.shortcuts.progress_bar import formatters
+from prompt_toolkit.styles import Style
+
+style = Style.from_dict(
+ {
+ "progressbar title": "#0000ff",
+ "item-title": "#ff4400 underline",
+ "percentage": "#00ff00",
+ "bar-a": "bg:#00ff00 #004400",
+ "bar-b": "bg:#00ff00 #000000",
+ "bar-c": "bg:#000000 #000000",
+ "tildes": "#444488",
+ "time-left": "bg:#88ff88 #ffffff",
+ "spinning-wheel": "bg:#ffff00 #000000",
+ }
+)
+
+
+def main():
+ custom_formatters = [
+ formatters.Label(),
+ formatters.Text(" "),
+ formatters.SpinningWheel(),
+ formatters.Text(" "),
+ formatters.Text(HTML("<tildes>~~~</tildes>")),
+ formatters.Bar(sym_a="#", sym_b="#", sym_c="."),
+ formatters.Text(" left: "),
+ formatters.TimeLeft(),
+ ]
+ with ProgressBar(
+ title="Progress bar example with custom formatter.",
+ formatters=custom_formatters,
+ style=style,
+ ) as pb:
+
+ for i in pb(range(20), label="Downloading..."):
+ time.sleep(1)
+
+
+if __name__ == "__main__":
+ main()