Mercurial > hg
view mercurial/pure/base85.py @ 29134:8d5584d8345b
graphmod: partial edge styling
Allow for a style to only apply to the last N lines (for positive N) or
everything but the first N lines (for negative N) of the section along the
current node. This allows for more subtle grandparent styling.
So from the default:
$ hg log -G ...
o Lorem ipsum dolor sit
:\ amet, consectetur
: : adipiscing elit, sed
: : do eiusmod tempor
: :
o : incididunt ut labore
| : et dolore magna
| : aliqua. Ut enim ad
| : minim veniam, quis
|/
o nostrud exercitation
: ullamco laboris nisi
: ut aliquip ex ea
: commodo consequat.
:
o Duis aute irure dolor
| in reprehenderit in
~ voluptate velit esse
cillum dolore eu
to
$ hg log -G --config "experimental.graphstyle.grandparent=2." ...
o Lorem ipsum dolor sit
|\ amet, consectetur
| | adipiscing elit, sed
. . do eiusmod tempor
. .
o | incididunt ut labore
| | et dolore magna
| | aliqua. Ut enim ad
| | minim veniam, quis
|/
o nostrud exercitation
| ullamco laboris nisi
| ut aliquip ex ea
. commodo consequat.
.
o Duis aute irure dolor
| in reprehenderit in
~ voluptate velit esse
cillum dolore eu
or
$ hg log -G --config "experimental.graphstyle.grandparent=1:" ...
o Lorem ipsum dolor sit
|\ amet, consectetur
| | adipiscing elit, sed
| | do eiusmod tempor
: :
o | incididunt ut labore
| | et dolore magna
| | aliqua. Ut enim ad
| | minim veniam, quis
|/
o nostrud exercitation
| ullamco laboris nisi
| ut aliquip ex ea
| commodo consequat.
:
o Duis aute irure dolor
| in reprehenderit in
~ voluptate velit esse
cillum dolore eu
or
$ hg log -G --config "experimental.graphstyle.grandparent=-2!" ...
o Lorem ipsum dolor sit
|\ amet, consectetur
! ! adipiscing elit, sed
! ! do eiusmod tempor
! !
o | incididunt ut labore
| | et dolore magna
| | aliqua. Ut enim ad
| | minim veniam, quis
|/
o nostrud exercitation
| ullamco laboris nisi
! ut aliquip ex ea
! commodo consequat.
!
o Duis aute irure dolor
| in reprehenderit in
~ voluptate velit esse
cillum dolore eu
author | Martijn Pieters <mjpieters@fb.com> |
---|---|
date | Wed, 04 May 2016 20:11:59 +0100 |
parents | 9007f697e8ef |
children | 01b4d88ccb24 |
line wrap: on
line source
# base85.py: pure python base85 codec # # Copyright (C) 2009 Brendan Cully <brendan@kublai.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import import struct _b85chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" \ "abcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|}~" _b85chars2 = [(a + b) for a in _b85chars for b in _b85chars] _b85dec = {} def _mkb85dec(): for i, c in enumerate(_b85chars): _b85dec[c] = i def b85encode(text, pad=False): """encode text in base85 format""" l = len(text) r = l % 4 if r: text += '\0' * (4 - r) longs = len(text) >> 2 words = struct.unpack('>%dL' % (longs), text) out = ''.join(_b85chars[(word // 52200625) % 85] + _b85chars2[(word // 7225) % 7225] + _b85chars2[word % 7225] for word in words) if pad: return out # Trim padding olen = l % 4 if olen: olen += 1 olen += l // 4 * 5 return out[:olen] def b85decode(text): """decode base85-encoded text""" if not _b85dec: _mkb85dec() l = len(text) out = [] for i in range(0, len(text), 5): chunk = text[i:i + 5] acc = 0 for j, c in enumerate(chunk): try: acc = acc * 85 + _b85dec[c] except KeyError: raise ValueError('bad base85 character at position %d' % (i + j)) if acc > 4294967295: raise ValueError('Base85 overflow in hunk starting at byte %d' % i) out.append(acc) # Pad final chunk if necessary cl = l % 5 if cl: acc *= 85 ** (5 - cl) if cl > 1: acc += 0xffffff >> (cl - 2) * 8 out[-1] = acc out = struct.pack('>%dL' % (len(out)), *out) if cl: out = out[:-(5 - cl)] return out