mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-26 18:10:30 +00:00
bbf6d9b026
Bugfix for feeds
- removed categories related and up
- load new books now working
- category random now working
login page is free of non accessible elements
boolean custom column is vivible in UI
books with only with certain languages can be shown
book shelfs can be deleted from UI
Anonymous user view is more resticted
Added browse of series in sidebar
Dependencys in vendor folder are updated to newer versions (licencs files are now present)
Bugfix editing Authors names
Made upload on windows working
548 lines
16 KiB
Python
548 lines
16 KiB
Python
"""
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click._termui_impl
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~~~~~~~~~~~~~~~~~~
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This module contains implementations for the termui module. To keep the
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import time of Click down, some infrequently used functionality is placed
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in this module and only imported as needed.
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:copyright: (c) 2014 by Armin Ronacher.
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:license: BSD, see LICENSE for more details.
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"""
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import os
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import sys
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import time
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import math
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from ._compat import _default_text_stdout, range_type, PY2, isatty, \
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open_stream, strip_ansi, term_len, get_best_encoding, WIN
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from .utils import echo
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from .exceptions import ClickException
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if os.name == 'nt':
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BEFORE_BAR = '\r'
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AFTER_BAR = '\n'
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else:
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BEFORE_BAR = '\r\033[?25l'
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AFTER_BAR = '\033[?25h\n'
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def _length_hint(obj):
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"""Returns the length hint of an object."""
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try:
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return len(obj)
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except TypeError:
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try:
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get_hint = type(obj).__length_hint__
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except AttributeError:
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return None
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try:
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hint = get_hint(obj)
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except TypeError:
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return None
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if hint is NotImplemented or \
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not isinstance(hint, (int, long)) or \
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hint < 0:
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return None
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return hint
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class ProgressBar(object):
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def __init__(self, iterable, length=None, fill_char='#', empty_char=' ',
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bar_template='%(bar)s', info_sep=' ', show_eta=True,
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show_percent=None, show_pos=False, item_show_func=None,
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label=None, file=None, color=None, width=30):
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self.fill_char = fill_char
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self.empty_char = empty_char
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self.bar_template = bar_template
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self.info_sep = info_sep
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self.show_eta = show_eta
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self.show_percent = show_percent
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self.show_pos = show_pos
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self.item_show_func = item_show_func
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self.label = label or ''
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if file is None:
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file = _default_text_stdout()
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self.file = file
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self.color = color
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self.width = width
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self.autowidth = width == 0
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if length is None:
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length = _length_hint(iterable)
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if iterable is None:
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if length is None:
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raise TypeError('iterable or length is required')
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iterable = range_type(length)
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self.iter = iter(iterable)
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self.length = length
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self.length_known = length is not None
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self.pos = 0
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self.avg = []
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self.start = self.last_eta = time.time()
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self.eta_known = False
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self.finished = False
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self.max_width = None
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self.entered = False
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self.current_item = None
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self.is_hidden = not isatty(self.file)
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self._last_line = None
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def __enter__(self):
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self.entered = True
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self.render_progress()
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return self
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def __exit__(self, exc_type, exc_value, tb):
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self.render_finish()
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def __iter__(self):
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if not self.entered:
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raise RuntimeError('You need to use progress bars in a with block.')
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self.render_progress()
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return self
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def render_finish(self):
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if self.is_hidden:
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return
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self.file.write(AFTER_BAR)
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self.file.flush()
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@property
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def pct(self):
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if self.finished:
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return 1.0
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return min(self.pos / (float(self.length) or 1), 1.0)
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@property
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def time_per_iteration(self):
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if not self.avg:
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return 0.0
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return sum(self.avg) / float(len(self.avg))
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@property
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def eta(self):
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if self.length_known and not self.finished:
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return self.time_per_iteration * (self.length - self.pos)
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return 0.0
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def format_eta(self):
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if self.eta_known:
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t = self.eta + 1
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seconds = t % 60
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t /= 60
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minutes = t % 60
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t /= 60
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hours = t % 24
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t /= 24
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if t > 0:
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days = t
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return '%dd %02d:%02d:%02d' % (days, hours, minutes, seconds)
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else:
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return '%02d:%02d:%02d' % (hours, minutes, seconds)
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return ''
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def format_pos(self):
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pos = str(self.pos)
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if self.length_known:
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pos += '/%s' % self.length
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return pos
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def format_pct(self):
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return ('% 4d%%' % int(self.pct * 100))[1:]
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def format_progress_line(self):
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show_percent = self.show_percent
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info_bits = []
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if self.length_known:
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bar_length = int(self.pct * self.width)
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bar = self.fill_char * bar_length
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bar += self.empty_char * (self.width - bar_length)
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if show_percent is None:
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show_percent = not self.show_pos
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else:
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if self.finished:
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bar = self.fill_char * self.width
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else:
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bar = list(self.empty_char * (self.width or 1))
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if self.time_per_iteration != 0:
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bar[int((math.cos(self.pos * self.time_per_iteration)
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/ 2.0 + 0.5) * self.width)] = self.fill_char
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bar = ''.join(bar)
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if self.show_pos:
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info_bits.append(self.format_pos())
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if show_percent:
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info_bits.append(self.format_pct())
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if self.show_eta and self.eta_known and not self.finished:
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info_bits.append(self.format_eta())
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if self.item_show_func is not None:
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item_info = self.item_show_func(self.current_item)
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if item_info is not None:
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info_bits.append(item_info)
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return (self.bar_template % {
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'label': self.label,
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'bar': bar,
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'info': self.info_sep.join(info_bits)
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}).rstrip()
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def render_progress(self):
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from .termui import get_terminal_size
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nl = False
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if self.is_hidden:
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buf = [self.label]
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nl = True
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else:
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buf = []
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# Update width in case the terminal has been resized
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if self.autowidth:
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old_width = self.width
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self.width = 0
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clutter_length = term_len(self.format_progress_line())
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new_width = max(0, get_terminal_size()[0] - clutter_length)
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if new_width < old_width:
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buf.append(BEFORE_BAR)
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buf.append(' ' * self.max_width)
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self.max_width = new_width
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self.width = new_width
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clear_width = self.width
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if self.max_width is not None:
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clear_width = self.max_width
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buf.append(BEFORE_BAR)
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line = self.format_progress_line()
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line_len = term_len(line)
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if self.max_width is None or self.max_width < line_len:
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self.max_width = line_len
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buf.append(line)
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buf.append(' ' * (clear_width - line_len))
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line = ''.join(buf)
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# Render the line only if it changed.
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if line != self._last_line:
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self._last_line = line
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echo(line, file=self.file, color=self.color, nl=nl)
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self.file.flush()
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def make_step(self, n_steps):
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self.pos += n_steps
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if self.length_known and self.pos >= self.length:
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self.finished = True
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if (time.time() - self.last_eta) < 1.0:
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return
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self.last_eta = time.time()
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self.avg = self.avg[-6:] + [-(self.start - time.time()) / (self.pos)]
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self.eta_known = self.length_known
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def update(self, n_steps):
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self.make_step(n_steps)
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self.render_progress()
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def finish(self):
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self.eta_known = 0
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self.current_item = None
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self.finished = True
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def next(self):
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if self.is_hidden:
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return next(self.iter)
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try:
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rv = next(self.iter)
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self.current_item = rv
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except StopIteration:
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self.finish()
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self.render_progress()
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raise StopIteration()
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else:
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self.update(1)
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return rv
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if not PY2:
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__next__ = next
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del next
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def pager(text, color=None):
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"""Decide what method to use for paging through text."""
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stdout = _default_text_stdout()
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if not isatty(sys.stdin) or not isatty(stdout):
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return _nullpager(stdout, text, color)
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pager_cmd = (os.environ.get('PAGER', None) or '').strip()
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if pager_cmd:
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if WIN:
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return _tempfilepager(text, pager_cmd, color)
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return _pipepager(text, pager_cmd, color)
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if os.environ.get('TERM') in ('dumb', 'emacs'):
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return _nullpager(stdout, text, color)
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if WIN or sys.platform.startswith('os2'):
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return _tempfilepager(text, 'more <', color)
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if hasattr(os, 'system') and os.system('(less) 2>/dev/null') == 0:
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return _pipepager(text, 'less', color)
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import tempfile
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fd, filename = tempfile.mkstemp()
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os.close(fd)
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try:
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if hasattr(os, 'system') and os.system('more "%s"' % filename) == 0:
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return _pipepager(text, 'more', color)
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return _nullpager(stdout, text, color)
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finally:
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os.unlink(filename)
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def _pipepager(text, cmd, color):
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"""Page through text by feeding it to another program. Invoking a
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pager through this might support colors.
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"""
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import subprocess
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env = dict(os.environ)
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# If we're piping to less we might support colors under the
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# condition that
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cmd_detail = cmd.rsplit('/', 1)[-1].split()
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if color is None and cmd_detail[0] == 'less':
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less_flags = os.environ.get('LESS', '') + ' '.join(cmd_detail[1:])
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if not less_flags:
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env['LESS'] = '-R'
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color = True
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elif 'r' in less_flags or 'R' in less_flags:
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color = True
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if not color:
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text = strip_ansi(text)
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c = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE,
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env=env)
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encoding = get_best_encoding(c.stdin)
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try:
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c.stdin.write(text.encode(encoding, 'replace'))
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c.stdin.close()
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except (IOError, KeyboardInterrupt):
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pass
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# Less doesn't respect ^C, but catches it for its own UI purposes (aborting
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# search or other commands inside less).
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#
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# That means when the user hits ^C, the parent process (click) terminates,
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# but less is still alive, paging the output and messing up the terminal.
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#
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# If the user wants to make the pager exit on ^C, they should set
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# `LESS='-K'`. It's not our decision to make.
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while True:
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try:
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c.wait()
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except KeyboardInterrupt:
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pass
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else:
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break
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def _tempfilepager(text, cmd, color):
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"""Page through text by invoking a program on a temporary file."""
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import tempfile
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filename = tempfile.mktemp()
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if not color:
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text = strip_ansi(text)
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encoding = get_best_encoding(sys.stdout)
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with open_stream(filename, 'wb')[0] as f:
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f.write(text.encode(encoding))
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try:
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os.system(cmd + ' "' + filename + '"')
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finally:
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os.unlink(filename)
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def _nullpager(stream, text, color):
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"""Simply print unformatted text. This is the ultimate fallback."""
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if not color:
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text = strip_ansi(text)
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stream.write(text)
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class Editor(object):
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def __init__(self, editor=None, env=None, require_save=True,
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extension='.txt'):
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self.editor = editor
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self.env = env
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self.require_save = require_save
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self.extension = extension
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def get_editor(self):
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if self.editor is not None:
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return self.editor
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for key in 'VISUAL', 'EDITOR':
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rv = os.environ.get(key)
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if rv:
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return rv
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if WIN:
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return 'notepad'
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for editor in 'vim', 'nano':
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if os.system('which %s >/dev/null 2>&1' % editor) == 0:
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return editor
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return 'vi'
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def edit_file(self, filename):
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import subprocess
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editor = self.get_editor()
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if self.env:
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environ = os.environ.copy()
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environ.update(self.env)
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else:
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environ = None
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try:
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c = subprocess.Popen('%s "%s"' % (editor, filename),
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env=environ, shell=True)
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exit_code = c.wait()
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if exit_code != 0:
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raise ClickException('%s: Editing failed!' % editor)
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except OSError as e:
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raise ClickException('%s: Editing failed: %s' % (editor, e))
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def edit(self, text):
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import tempfile
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text = text or ''
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if text and not text.endswith('\n'):
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text += '\n'
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fd, name = tempfile.mkstemp(prefix='editor-', suffix=self.extension)
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try:
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if WIN:
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encoding = 'utf-8-sig'
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text = text.replace('\n', '\r\n')
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else:
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encoding = 'utf-8'
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text = text.encode(encoding)
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f = os.fdopen(fd, 'wb')
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f.write(text)
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f.close()
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timestamp = os.path.getmtime(name)
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self.edit_file(name)
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if self.require_save \
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and os.path.getmtime(name) == timestamp:
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return None
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f = open(name, 'rb')
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try:
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rv = f.read()
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finally:
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f.close()
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return rv.decode('utf-8-sig').replace('\r\n', '\n')
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finally:
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os.unlink(name)
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def open_url(url, wait=False, locate=False):
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import subprocess
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def _unquote_file(url):
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try:
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import urllib
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except ImportError:
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import urllib
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if url.startswith('file://'):
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url = urllib.unquote(url[7:])
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return url
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if sys.platform == 'darwin':
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args = ['open']
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if wait:
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args.append('-W')
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if locate:
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args.append('-R')
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args.append(_unquote_file(url))
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null = open('/dev/null', 'w')
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try:
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return subprocess.Popen(args, stderr=null).wait()
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finally:
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null.close()
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elif WIN:
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|
if locate:
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url = _unquote_file(url)
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args = 'explorer /select,"%s"' % _unquote_file(
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url.replace('"', ''))
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else:
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args = 'start %s "" "%s"' % (
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wait and '/WAIT' or '', url.replace('"', ''))
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return os.system(args)
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try:
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if locate:
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url = os.path.dirname(_unquote_file(url)) or '.'
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|
else:
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url = _unquote_file(url)
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c = subprocess.Popen(['xdg-open', url])
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|
if wait:
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|
return c.wait()
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|
return 0
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|
except OSError:
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|
if url.startswith(('http://', 'https://')) and not locate and not wait:
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|
import webbrowser
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webbrowser.open(url)
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return 0
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return 1
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|
|
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|
def _translate_ch_to_exc(ch):
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|
if ch == '\x03':
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|
raise KeyboardInterrupt()
|
|
if ch == '\x04':
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|
raise EOFError()
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|
|
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|
if WIN:
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import msvcrt
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def getchar(echo):
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rv = msvcrt.getch()
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|
if echo:
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msvcrt.putchar(rv)
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_translate_ch_to_exc(rv)
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if PY2:
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enc = getattr(sys.stdin, 'encoding', None)
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if enc is not None:
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rv = rv.decode(enc, 'replace')
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|
else:
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rv = rv.decode('cp1252', 'replace')
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return rv
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|
else:
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import tty
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import termios
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|
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|
def getchar(echo):
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if not isatty(sys.stdin):
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f = open('/dev/tty')
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|
fd = f.fileno()
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|
else:
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|
fd = sys.stdin.fileno()
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f = None
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try:
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old_settings = termios.tcgetattr(fd)
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try:
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tty.setraw(fd)
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ch = os.read(fd, 32)
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|
if echo and isatty(sys.stdout):
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|
sys.stdout.write(ch)
|
|
finally:
|
|
termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
|
|
sys.stdout.flush()
|
|
if f is not None:
|
|
f.close()
|
|
except termios.error:
|
|
pass
|
|
_translate_ch_to_exc(ch)
|
|
return ch.decode(get_best_encoding(sys.stdin), 'replace')
|