progress bars to stdout

Author: willmcgugan

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.1.5] - 2020-05-15
+
+### Changed
+
+- Changed progress bars to write to stdout on terminal and hide on non-terminal
+
 ## [1.1.4] - 2020-05-15
 
 ### Fixed

pyproject.toml

@@ -2,7 +2,7 @@
 name = "rich"
 homepage = "https://github.com/willmcgugan/rich"
 documentation = "https://rich.readthedocs.io/en/latest/"
-version = "1.1.4"
+version = "1.1.5"
 description = "Render rich text, tables, progress bars, syntax highlighting, markdown and more to the terminal"
 authors = ["Will McGugan <willmcgugan@gmail.com>"]
 license = "MIT"

rich/progress.py

@@ -324,7 +324,7 @@ class Progress:
     """Renders an auto-updating progress bar(s).
     
     Args:
-        console (Console, optional): Optional Console instance. Default will an internal Console instance writing to stderr.
+        console (Console, optional): Optional Console instance. Default will an internal Console instance writing to stdout.
         auto_refresh (bool, optional): Enable auto refresh. If disabled, you will need to call `refresh()`.
         refresh_per_second (int, optional): Number of times per second to refresh the progress information. Defaults to 10.
         speed_estimate_period: (float, optional): Period (in seconds) used to calculate the speed estimate. Defaults to 30.
@@ -345,7 +345,7 @@ def __init__(
             "[progress.percentage]{task.percentage:>3.0f}%",
             TimeRemainingColumn(),
         )
-        self.console = console or Console(file=sys.stderr)
+        self.console = console or Console(file=sys.stdout)
         self.auto_refresh = auto_refresh
         self.refresh_per_second = refresh_per_second
         self.speed_estimate_period = speed_estimate_period
@@ -400,7 +400,8 @@ def stop(self) -> None:
                     self._refresh_thread.stop()
                     self._refresh_thread = None
                 self.refresh()
-                self.console.line()
+                if self.console.is_terminal:
+                    self.console.line()
             finally:
                 self.console.show_cursor(True)