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Mr. Outis
44e67d4cdc
* progress: Respect the --quiet option Fix #1308 * Use a dynamic import to prevent circular dependency * test: add test for quiet mode Signed-off-by: Ruslan Kuprieiev <[email protected]>
108 lines
2.6 KiB
Python
108 lines
2.6 KiB
Python
from __future__ import print_function
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import sys
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import threading
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class Progress(object):
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"""
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Simple multi-target progress bar.
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"""
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def __init__(self):
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self._n_total = 0
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self._n_finished = 0
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self._lock = threading.Lock()
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self._line = None
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def set_n_total(self, total):
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self._n_total = total
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self._n_finished = 0
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@property
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def is_finished(self):
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return self._n_total == self._n_finished
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def _clearln(self):
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self._print('\r\x1b[K', end='')
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def _writeln(self, line):
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self._clearln()
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self._print(line, end='')
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sys.stdout.flush()
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def refresh(self, line=None):
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# Just go away if it is locked. Will update next time
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if not self._lock.acquire(False):
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return
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if line is None:
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line = self._line
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if sys.stdout.isatty() and line is not None:
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self._writeln(line)
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self._line = line
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self._lock.release()
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def update_target(self, name, current, total):
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self.refresh(self._bar(name, current, total))
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def finish_target(self, name):
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# We have to write a msg about finished target
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with self._lock:
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bar = self._bar(name, 100, 100)
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if sys.stdout.isatty():
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self._clearln()
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self._print(bar)
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self._n_finished += 1
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self._line = None
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def _bar(self, target_name, current, total):
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"""
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Make a progress bar out of info, which looks like:
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(1/2): [########################################] 100% master.zip
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"""
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bar_len = 30
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if total is None:
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progress = 0
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percent = "?% "
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else:
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total = int(total)
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progress = int((100 * current)/total) if current < total else 100
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percent = str(progress) + "% "
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if self._n_total > 1:
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num = "({}/{}): ".format(self._n_finished + 1, self._n_total)
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else:
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num = ""
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n_sh = int((progress * bar_len)/100)
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n_sp = bar_len - n_sh
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bar = "[" + '#'*n_sh + ' '*n_sp + "] "
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return num + bar + percent + target_name
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def _print(self, *args, **kwargs):
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from dvc.logger import Logger
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if Logger.is_quiet():
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return
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print(*args, **kwargs)
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def __enter__(self):
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self._lock.acquire(True)
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if self._line is not None:
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self._clearln()
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def __exit__(self, type, value, tb):
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if self._line is not None:
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self.refresh()
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self._lock.release()
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progress = Progress()
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