File 026-virtinstall-Hide-total_size-in-the-progress... of Package virt-manager

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File 026-virtinstall-Hide-total_size-in-the-progress-bar-if-it-doesnt-need.patch of Package virt-manager (Revision e20f1ddade4ba1e871e35b915ee29935)

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Subject: virtinstall: Hide total_size in the progress bar if it doesn't need
From: Toshiki Sonoda sonoda.toshiki@fujitsu.com Wed Nov 9 18:33:57 2022 +0900
Date: Wed Dec 14 13:18:36 2022 -0500:
Git: 6ec00474a659158f20248d6af3771d1a12ddac7b

virt-install prints the total_size value to the progress bar even if it
is meaningless.
This value can be confusing to user, so for execute prosess that doesn't
copy files (total_size = 0B), we hide the total_size value.
For example, 'Creating domain...' doesn't need to print the total_size
value.

Signed-off-by: Toshiki Sonoda <sonoda.toshiki@fujitsu.com>
Signed-off-by: Haruka Ohata <ohata.haruka@fujitsu.com>

diff --git a/tests/data/meter/meter-zero.txt b/tests/data/meter/meter-zero.txt
new file mode 100644
index 00000000..fc81f21f
--- /dev/null
+++ b/tests/data/meter/meter-zero.txt
@@ -0,0 +1,4 @@
+
+Meter text test            100% [================]    0 B/s |    0 B  --:-- ETA 
+
+Meter text test                                             |         00:02     
diff --git a/tests/test_misc.py b/tests/test_misc.py
index 20f5a626..2cabc338 100644
--- a/tests/test_misc.py
+++ b/tests/test_misc.py
@@ -224,6 +224,20 @@ def test_misc_meter():
     out = meter.output.getvalue().replace("\r", "\n")
     utils.diff_compare(out, os.path.join(utils.DATADIR, "meter", "meter6.txt"))
 
+    def _test_meter_zero(m, startval=0, text="Meter text test"):
+        with unittest.mock.patch("time.time", return_value=1.0):
+            m.start(text, startval)
+        with unittest.mock.patch("time.time", return_value=3.0):
+            m.update(0)
+        with unittest.mock.patch("time.time", return_value=3.1):
+            m.end()
+
+    # meter with size 0 and startval size 0
+    meter = _progresspriv.TextMeter(output=io.StringIO())
+    _test_meter_zero(meter, 0)
+    out = meter.output.getvalue().replace("\r", "\n")
+    utils.diff_compare(out, os.path.join(utils.DATADIR, "meter", "meter-zero.txt"))
+
     # BaseMeter coverage
     meter = _progresspriv.BaseMeter()
     _test_meter_values(meter)
diff --git a/virtinst/_progresspriv.py b/virtinst/_progresspriv.py
index a035c9c4..207c6479 100644
--- a/virtinst/_progresspriv.py
+++ b/virtinst/_progresspriv.py
@@ -247,11 +247,15 @@ class TextMeter(BaseMeter):
         tl = TerminalLine(8)
         # For big screens, make it more readable.
         use_hours = bool(tl.llen > 80)
-        ui_size = tl.add(' | %5sB' % total_size)
         ui_time = tl.add('  %s' % format_time(self.re.elapsed_time(),
                                               use_hours))
         ui_end, not_done = _term_add_end(tl, self.size, amount_read)
-        dummy = not_done
+        if not not_done and amount_read == 0:
+            # Doesn't need to print total_size
+            ui_size = tl.add(' | %5s ' % ' ')
+        else:
+            ui_size = tl.add(' | %5sB' % total_size)
+
         out = '\r%-*.*s%s%s%s\n' % (tl.rest(), tl.rest(), self.text,
                                     ui_size, ui_time, ui_end)
         self.output.write(out)

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