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81 lines
2.0 KiB
Python
81 lines
2.0 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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def set_n_total(self, total):
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self._n_total = total
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def _clearln(self):
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print('\r\x1b[K', end='')
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def _writeln(self, line):
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self._clearln()
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print(line, end='')
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sys.stdout.flush()
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def update_target(self, name, current, total):
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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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bar = self._bar(name, current, total)
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if sys.stdout.isatty():
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self._writeln(bar)
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self._lock.release()
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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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print(bar)
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self._n_finished += 1
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def finish(self):
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if sys.stdout.isatty():
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print()
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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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total_len = 100
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bar_len = 30
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if total == 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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num = "({}/{}): ".format(self._n_finished + 1, self._n_total)
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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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name_len = total_len - len(num + bar + percent)
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name = target_name[:name_len] if len(target_name) > name_len else target_name
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return num + bar + percent + name
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progress = Progress()
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