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103 lines
3.5 KiB
Python
103 lines
3.5 KiB
Python
# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc.,
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# 59 Temple Place, Suite 330,
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# Boston, MA 02111-1307 USA
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# this is basically a copy of python-urlgrabber's TextMeter class,
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# with support added for dynamical sizing according to screen size.
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# it uses getScreenWidth() scrapped from smart.
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# 2007-04-24, poeml
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from urlgrabber.progress import BaseMeter, format_time, format_number
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import sys, os
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def getScreenWidth():
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import termios, struct, fcntl
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s = struct.pack('HHHH', 0, 0, 0, 0)
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try:
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x = fcntl.ioctl(1, termios.TIOCGWINSZ, s)
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except IOError:
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return 80
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return struct.unpack('HHHH', x)[1]
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class TextMeter(BaseMeter):
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def __init__(self, fo=sys.stderr, hide_finished=False):
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BaseMeter.__init__(self)
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self.fo = fo
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self.hide_finished = hide_finished
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try:
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width = int(os.environ['COLUMNS'])
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except (KeyError, ValueError):
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width = getScreenWidth()
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#self.unsized_templ = '\r%-60.60s %5sB %s '
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self.unsized_templ = '\r%%-%s.%ss %%5sB %%s ' % (width *2/5, width*3/5)
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#self.sized_templ = '\r%-45.45s %3i%% |%-15.15s| %5sB %8s '
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self.bar_length = width/5
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self.sized_templ = '\r%%-%s.%ss %%3i%%%% |%%-%s.%ss| %%5sB %%8s ' % (width*4/10, width*4/10, self.bar_length, self.bar_length)
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def _do_start(self, *args, **kwargs):
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BaseMeter._do_start(self, *args, **kwargs)
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self._do_update(0)
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def _do_update(self, amount_read, now=None):
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etime = self.re.elapsed_time()
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fetime = format_time(etime)
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fread = format_number(amount_read)
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#self.size = None
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if self.text is not None:
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text = self.text
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else:
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text = self.basename
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if self.size is None:
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out = self.unsized_templ % \
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(text, fread, fetime)
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else:
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rtime = self.re.remaining_time()
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frtime = format_time(rtime)
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frac = self.re.fraction_read()
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bar = '='*int(self.bar_length * frac)
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out = self.sized_templ % \
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(text, frac*100, bar, fread, frtime) + 'ETA '
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self.fo.write(out)
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self.fo.flush()
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def _do_end(self, amount_read, now=None):
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total_time = format_time(self.re.elapsed_time())
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total_size = format_number(amount_read)
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if self.text is not None:
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text = self.text
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else:
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text = self.basename
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if self.size is None:
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out = self.unsized_templ % \
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(text, total_size, total_time)
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else:
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bar = '=' * self.bar_length
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out = self.sized_templ % \
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(text, 100, bar, total_size, total_time) + ' '
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if self.hide_finished:
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self.fo.write('\r'+ ' '*len(out) + '\r')
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else:
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self.fo.write(out + '\n')
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self.fo.flush()
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# vim: sw=4 et
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