mirror of
https://github.com/openSUSE/osc.git
synced 2024-11-14 00:06:15 +01:00
102 lines
2.7 KiB
Python
102 lines
2.7 KiB
Python
# Copyright (C) 2018 SUSE Linux. All rights reserved.
|
|
# This program is free software; it may be used, copied, modified
|
|
# and distributed under the terms of the GNU General Public Licence,
|
|
# either version 2, or (at your option) any later version.
|
|
|
|
|
|
import signal
|
|
import sys
|
|
from abc import ABC
|
|
from abc import abstractmethod
|
|
from typing import Optional
|
|
|
|
try:
|
|
import progressbar as pb
|
|
have_pb_module = True
|
|
except ImportError:
|
|
have_pb_module = False
|
|
|
|
|
|
class TextMeterBase(ABC):
|
|
@abstractmethod
|
|
def start(self, basename: str, size: Optional[int] = None):
|
|
pass
|
|
|
|
@abstractmethod
|
|
def update(self, amount_read: int):
|
|
pass
|
|
|
|
@abstractmethod
|
|
def end(self):
|
|
pass
|
|
|
|
|
|
class PBTextMeter(TextMeterBase):
|
|
def __init__(self):
|
|
self.bar: pb.ProgressBar
|
|
|
|
def start(self, basename: str, size: Optional[int] = None):
|
|
if size is None:
|
|
widgets = [f"{basename}: ", pb.AnimatedMarker(), ' ', pb.Timer()]
|
|
self.bar = pb.ProgressBar(widgets=widgets, maxval=pb.UnknownLength)
|
|
else:
|
|
widgets = [f"{basename}: ", pb.Bar(), ' ', pb.ETA()]
|
|
if size:
|
|
# if size is 0, using pb.Percentage will result in
|
|
# a ZeroDivisionException
|
|
widgets.insert(1, pb.Percentage())
|
|
self.bar = pb.ProgressBar(widgets=widgets, maxval=size)
|
|
# When a signal handler is set, it resets SA_RESTART flag
|
|
# - see signal.siginterrupt() python docs.
|
|
# ProgressBar's constructor sets signal handler for SIGWINCH.
|
|
# So let's make sure that it doesn't interrupt syscalls in osc.
|
|
signal.siginterrupt(signal.SIGWINCH, False)
|
|
self.bar.start()
|
|
|
|
def update(self, amount_read: int):
|
|
self.bar.update(amount_read)
|
|
|
|
def end(self):
|
|
self.bar.finish()
|
|
|
|
|
|
class SimpleTextMeter(TextMeterBase):
|
|
def start(self, basename: str, size: Optional[int] = None):
|
|
print(basename, file=sys.stderr)
|
|
|
|
def update(self, amount_read: int):
|
|
pass
|
|
|
|
def end(self):
|
|
pass
|
|
|
|
|
|
class NoTextMeter(TextMeterBase):
|
|
def start(self, basename: str, size: Optional[int] = None):
|
|
pass
|
|
|
|
def update(self, amount_read: int):
|
|
pass
|
|
|
|
def end(self):
|
|
pass
|
|
|
|
|
|
def create_text_meter(*args, **kwargs) -> TextMeterBase:
|
|
from .conf import config
|
|
|
|
use_pb_fallback = kwargs.pop("use_pb_fallback", False)
|
|
|
|
meter_class: TextMeterBase
|
|
if config.quiet:
|
|
meter_class = NoTextMeter
|
|
elif not have_pb_module or not config.show_download_progress or not sys.stdout.isatty() or use_pb_fallback:
|
|
meter_class = SimpleTextMeter
|
|
else:
|
|
meter_class = PBTextMeter
|
|
|
|
return meter_class(*args, **kwargs)
|
|
|
|
|
|
# vim: sw=4 et
|