[latex] Remove plugin (may be ported later)
This commit is contained in:
wurstsalat
@@ -1 +0,0 @@
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from .latex import LatexPlugin
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@@ -1,53 +0,0 @@
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# This file is part of Gajim.
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#
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# Gajim is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published
|
||||
# by the Free Software Foundation; version 3 only.
|
||||
#
|
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# Gajim is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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||||
# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
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from gi.repository import GObject
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from gi.repository import Gtk
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from gajim.gui.settings import SettingsDialog
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from gajim.gui.settings import SpinSetting
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from gajim.gui.const import Setting
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from gajim.gui.const import SettingType
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from gajim.plugins.plugins_i18n import _
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class LatexPluginConfiguration(SettingsDialog):
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def __init__(self, plugin, parent):
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self.plugin = plugin
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settings = [
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Setting('LatexDPISpinSetting', _('PNG DPI'),
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SettingType.VALUE, int(self.plugin.config['png_dpi']),
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callback=self.on_setting, data='png_dpi',
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desc=_('Scale of the rendered PNG file'),
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props={'range_': (72, 300)}),
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]
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SettingsDialog.__init__(self, parent, _('Latex Configuration'),
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Gtk.DialogFlags.MODAL, settings, None,
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extend=[('LatexDPISpinSetting',
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DPISpinSetting)])
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def on_setting(self, value, data):
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self.plugin.config[data] = value
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class DPISpinSetting(SpinSetting):
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__gproperties__ = {
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"setting-value": (int, 'Size', '', 72, 300, 108,
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GObject.ParamFlags.READWRITE), }
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def __init__(self, *args, **kwargs):
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SpinSetting.__init__(self, *args, **kwargs)
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BIN
latex/latex.png
BIN
latex/latex.png
Binary file not shown.
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Before Width: | Height: | Size: 694 B |
190
latex/latex.py
190
latex/latex.py
@@ -1,190 +0,0 @@
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# Copyright (C) 2010-2011 Yves Fischer <yvesf AT xapek.org>
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# Copyright (C) 2011 Yann Leboulanger <asterix AT lagaule.org>
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#
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# This file is part of Gajim.
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#
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# Gajim is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published
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# by the Free Software Foundation; version 3 only.
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#
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# Gajim 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
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
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import os
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import logging
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from functools import partial
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from gi.repository import Gtk
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from gi.repository import Gdk
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from gi.repository import GLib
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from gi.repository import Pango
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from gajim.plugins import GajimPlugin
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from gajim.plugins.plugins_i18n import _
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from latex.latex_renderer import LatexRenderer
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from latex.config_dialog import LatexPluginConfiguration
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from latex.util import try_run
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log = logging.getLogger('gajim.p.latex')
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class LatexPlugin(GajimPlugin):
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def init(self):
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self.description = _(
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'Render LaTeX markup for $$foobar$$ sourrounded LaTeX equations.')
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self.config_dialog = partial(LatexPluginConfiguration, self)
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self.config_default_values = {
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'png_dpi': ('108', '')
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}
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self.gui_extension_points = {
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'chat_control_base': (
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self._connect_chat_control_base,
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self._disconnect_chat_control_base)
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}
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self._test_activatable()
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self._timeout_id = None
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self._last_eol_offset = -1
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def _connect_chat_control_base(self, chat_control):
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d = {}
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tv = chat_control.conv_textview.tv
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tb = tv.get_buffer()
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self._latex_tag = Gtk.TextTag.new('latex')
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self._latex_tag.set_property('foreground', 'blue')
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self._latex_tag.set_property('underline', Pango.Underline.SINGLE)
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d['tag_id'] = self._latex_tag.connect('event', self._textview_event_after)
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tb.get_tag_table().add(self._latex_tag)
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d['h_id'] = tb.connect('changed', self._textbuffer_live_latex_expander)
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chat_control.latexs_expander_plugin_data = d
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return True
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def _disconnect_chat_control_base(self, chat_control):
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d = chat_control.latexs_expander_plugin_data
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tv = chat_control.conv_textview.tv
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tv.get_buffer().disconnect(d['h_id'])
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self._latex_tag.disconnect(d['tag_id'])
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def _test_activatable(self):
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"""
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performs very simple checks (check if executable is in PATH)
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"""
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self.available_text = ''
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exitcode = try_run(['latex', '-version'], None)
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if exitcode != 0:
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latex_available = False
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else:
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latex_available = True
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exitcode = try_run(['dvipng', '--version'], None)
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if exitcode != 0:
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dvipng_available = False
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else:
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dvipng_available = True
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exitcode = try_run(['convert', '-version'], None)
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if exitcode != 0:
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imagemagick_available = False
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else:
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imagemagick_available = True
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pkgs = ''
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if not latex_available:
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if os.name == 'nt':
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pkgs = 'MikTex'
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else:
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pkgs = 'texlive-latex-base'
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self.available_text = _('LaTeX is not available')
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self.activatable = False
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if not dvipng_available and not imagemagick_available:
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if os.name == 'nt':
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if not pkgs:
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pkgs = 'MikTex'
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else:
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if pkgs:
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pkgs += _(' and ')
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pkgs += '%s or %s' % ('dvipng', 'ImageMagick')
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if self.available_text:
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self.available_text += ' and '
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self.available_text += _('dvipng and Imagemagick are not available')
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if self.available_text:
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self.activatable = False
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self.available_text += _('. Install %s') % pkgs
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def _textview_event_after(self, tag, widget, event, iter_):
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"""
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start rendering if clicked on a link
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"""
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if tag.get_property('name') != 'latex' or \
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event.type != Gdk.EventType.BUTTON_PRESS:
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return
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dollar_start, _iter_start = iter_.backward_search(
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'$$',
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Gtk.TextSearchFlags.TEXT_ONLY, None)
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_iter_end, dollar_end = iter_.forward_search(
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'$$',
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Gtk.TextSearchFlags.TEXT_ONLY, None)
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LatexRenderer(dollar_start, dollar_end, widget, self.config['png_dpi'])
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def _textbuffer_live_latex_expander(self, tb):
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"""
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called when conversation text widget changes
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"""
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def _split_list(list_):
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newlist = []
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for i in range(0, len(list_)-1, 2):
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newlist.append([ list_[i], list_[i+1], ])
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return newlist
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def _detect_tags(tb, start_it=None, end_it=None):
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self._timeout_id = None
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if not end_it:
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end_it = tb.get_end_iter()
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if not start_it:
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eol_tag = tb.get_tag_table().lookup('eol')
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start_it = end_it.copy()
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start_it.backward_to_tag_toggle(eol_tag)
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points = []
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tuple_found = start_it.forward_search(
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'$$',
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Gtk.TextSearchFlags.TEXT_ONLY, None)
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while tuple_found is not None:
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points.append(tuple_found)
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tuple_found = tuple_found[1].forward_search(
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'$$',
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Gtk.TextSearchFlags.TEXT_ONLY, None)
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for pair in _split_list(points):
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tb.apply_tag_by_name('latex', pair[0][1], pair[1][0])
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end_iter = tb.get_end_iter()
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eol_tag = tb.get_tag_table().lookup('eol')
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it = end_iter.copy()
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it.backward_to_tag_toggle(eol_tag)
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if it.get_offset() == self._last_eol_offset:
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if self._timeout_id:
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GLib.source_remove(self._timeout_id)
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self._timeout_id = GLib.timeout_add(100, _detect_tags, tb, it, end_iter)
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else:
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if self._timeout_id:
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GLib.source_remove(self._timeout_id)
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it1 = it.copy()
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it1.backward_char()
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it1.backward_to_tag_toggle(eol_tag)
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_detect_tags(tb, it1, it)
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self._last_eol_offset = it.get_offset()
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@@ -1,175 +0,0 @@
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# Copyright (C) 2010-2011 Yves Fischer <yvesf AT xapek.org>
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# Copyright (C) 2011 Yann Leboulanger <asterix AT lagaule.org>
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#
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# This file is part of Gajim.
|
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#
|
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# Gajim is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published
|
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# by the Free Software Foundation; version 3 only.
|
||||
#
|
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# Gajim is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
|
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import random
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import os
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import logging
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from tempfile import mkstemp
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from tempfile import mkdtemp
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from gi.repository import Gtk
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from gi.repository import GdkPixbuf
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from gi.repository import GLib
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from gajim.common import app
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from gajim.plugins.plugins_i18n import _
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from latex.util import try_run
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from latex.util import write_latex
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from latex.util import BLACKLIST
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log = logging.getLogger('gajim.p.latex')
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class LatexRenderer:
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def __init__(self, iter_start, iter_end, widget, png_dpi):
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self.widget = widget
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self.buffer = widget.get_buffer()
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self.code = iter_start.get_text(iter_end)
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self.mark_name = 'LatexRendererMark%s' % str(random.randint(0, 1000))
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self.mark = self.buffer.create_mark(self.mark_name, iter_start, True)
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self.png_dpi = str(png_dpi)
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# delete code and show message 'processing'
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self.buffer.delete(iter_start, iter_end)
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self.buffer.insert(iter_start, _('Processing LaTeX'))
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self._start_processing()
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def _start_processing(self):
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try:
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if self._check_code():
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self._show_image()
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else:
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self._show_error(_('There are bad commands!'))
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except Exception as err:
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self._show_error(_('Error processing LaTeX: %s' % err))
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finally:
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self.buffer.delete_mark(self.mark)
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def _check_code(self):
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for bad_cmd in BLACKLIST:
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if self.code.find(bad_cmd) != -1:
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# Found bad command
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return False
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return True
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def _show_error(self, message):
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"""
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String -> TextBuffer
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"""
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iter_mark = self.buffer.get_iter_at_mark(self.mark)
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iter_end = iter_mark.copy().forward_search(
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_('Processing LaTeX'),
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Gtk.TextSearchFlags.TEXT_ONLY, None)[1]
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self.buffer.delete(iter_mark, iter_end)
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self.buffer.insert(iter_end, message)
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def _show_image(self):
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"""
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Latex -> PNG -> TextBuffer
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"""
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def _fg_str(fmt):
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try:
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return [
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{'hex' : '+level-colors', 'tex' : '-fg'}[fmt],
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app.interface.get_fg_color(fmt)]
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except KeyError:
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# interface may not be available when we test latex at startup
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return []
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except AttributeError:
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# interface may not be available when we test latext at startup
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return {'hex': ['+level-colors', '0x000000'],
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'tex': ['-fg', 'rgb 0.0 0.0 0.0']}[fmt]
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try:
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tmpdir = mkdtemp(prefix='gajim_tex')
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tmpfd, tmppng = mkstemp(prefix='gajim_tex', suffix='.png')
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os.close(tmpfd)
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except Exception:
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msg = 'Could not create temporary files for Latex plugin'
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log.debug(msg)
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self._show_error(
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_('latex error: %(error)s\n===ORIGINAL CODE====\n'
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'%(code)s') % {
|
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'error': msg,
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'code': self.code[2:len(self.code)-2]})
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return False
|
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tmpfile = os.path.join(tmpdir, 'gajim_tex')
|
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|
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# build latex string
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write_latex(tmpfile + '.tex', self.code[2:len(self.code)-2])
|
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|
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# convert TeX to dvi
|
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exitcode = try_run(
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['latex', '--interaction=nonstopmode', tmpfile + '.tex'], tmpdir)
|
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|
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if exitcode == 0:
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# convert dvi to png
|
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log.debug('DVI OK')
|
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exitcode = try_run(
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['dvipng', '-bg', 'Transparent'] + _fg_str('tex') + \
|
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['-T', 'tight', '-D', self.png_dpi, tmpfile + '.dvi', '-o',
|
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tmpfile + '.png'], tmpdir)
|
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|
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if exitcode:
|
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# dvipng failed, try convert
|
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log.debug('dvipng failed, try convert')
|
||||
exitcode = try_run(
|
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['convert'] + _fg_str('hex') + \
|
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['-trim', '-density', self.png_dpi,
|
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tmpfile + '.dvi', tmpfile + '.png'], tmpdir)
|
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|
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# remove temp files created by us and TeX
|
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extensions = ['.tex', '.log', '.aux', '.dvi']
|
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for ext in extensions:
|
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try:
|
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os.remove(tmpfile + ext)
|
||||
except Exception:
|
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pass
|
||||
|
||||
if exitcode == 0:
|
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log.debug('PNG OK')
|
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os.rename(tmpfile + '.png', tmppng)
|
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else:
|
||||
log.debug('PNG FAILED')
|
||||
os.remove(tmppng)
|
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os.rmdir(tmpdir)
|
||||
self._show_error(
|
||||
_('Convertion to image failed\n===ORIGINAL CODE===='
|
||||
'\n%s') % self.code[2:len(self.code)-2])
|
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return False
|
||||
|
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log.debug('Loading PNG %s', tmppng)
|
||||
try:
|
||||
pixbuf = GdkPixbuf.Pixbuf.new_from_file(tmppng)
|
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log.debug('png loaded')
|
||||
iter_mark = self.buffer.get_iter_at_mark(self.mark)
|
||||
iter_end = iter_mark.copy().forward_search(
|
||||
_('Processing LaTeX'),
|
||||
Gtk.TextSearchFlags.TEXT_ONLY, None)[1]
|
||||
log.debug('Delete old Text')
|
||||
self.buffer.delete(iter_mark, iter_end)
|
||||
log.debug('Insert pixbuf')
|
||||
self.buffer.insert_pixbuf(iter_end, pixbuf)
|
||||
except GLib.GError:
|
||||
self._show_error(_('Cannot open %s for reading') % tmppng)
|
||||
log.debug('Cant open %s for reading', tmppng)
|
||||
finally:
|
||||
os.remove(tmppng)
|
||||
@@ -1,10 +0,0 @@
|
||||
[info]
|
||||
name: Latex
|
||||
short_name: latex
|
||||
version: 1.4.0
|
||||
description: Render LaTeX markup for $$foobar$$ sourrounded LaTeX equations.
|
||||
authors: Yves Fischer <yvesf@xapek.org>
|
||||
Yann Leboulanger <asterix@lagaule.org>
|
||||
homepage: https://dev.gajim.org/gajim/gajim-plugins/wikis/LatexPlugin
|
||||
min_gajim_version: 1.4.0-dev1
|
||||
max_gajim_version: 1.4.90
|
||||
115
latex/util.py
115
latex/util.py
@@ -1,115 +0,0 @@
|
||||
# This file is part of Gajim.
|
||||
#
|
||||
# Gajim is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published
|
||||
# by the Free Software Foundation; version 3 only.
|
||||
#
|
||||
# Gajim is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
import logging
|
||||
import os
|
||||
from subprocess import Popen
|
||||
from subprocess import PIPE
|
||||
|
||||
from gajim.plugins.plugins_i18n import _
|
||||
|
||||
log = logging.getLogger('gajim.p.latex')
|
||||
|
||||
BLACKLIST = [
|
||||
'\def',
|
||||
'\\let',
|
||||
'\\futurelet',
|
||||
'\\newcommand',
|
||||
'\\renewcomment',
|
||||
'\\else',
|
||||
'\\fi',
|
||||
'\\write',
|
||||
'\\input',
|
||||
'\\include',
|
||||
'\\chardef',
|
||||
'\\catcode',
|
||||
'\\makeatletter',
|
||||
'\\noexpand',
|
||||
'\\toksdef',
|
||||
'\\every',
|
||||
'\\errhelp',
|
||||
'\\errorstopmode',
|
||||
'\\scrollmode',
|
||||
'\\nonstopmode',
|
||||
'\\batchmode',
|
||||
'\\read',
|
||||
'\\csname',
|
||||
'\\newhelp',
|
||||
'\\relax',
|
||||
'\\afterground',
|
||||
'\\afterassignment',
|
||||
'\\expandafter',
|
||||
'\\noexpand',
|
||||
'\\special',
|
||||
'\\command',
|
||||
'\\loop',
|
||||
'\\repeat',
|
||||
'\\toks',
|
||||
'\\output',
|
||||
'\\line',
|
||||
'\\mathcode',
|
||||
'\\name',
|
||||
'\\item',
|
||||
'\\section',
|
||||
'\\mbox',
|
||||
'\\DeclareRobustCommand',
|
||||
'\\[',
|
||||
'\\]',
|
||||
]
|
||||
|
||||
|
||||
def try_run(argv, directory):
|
||||
try:
|
||||
proc = popen_nt_friendly(argv, directory)
|
||||
out = proc.communicate()[0]
|
||||
log.info(out)
|
||||
return proc.wait()
|
||||
except Exception as err:
|
||||
return _('Error executing "%(command)s": %(error)s') % {
|
||||
'command': " ".join(argv),
|
||||
'error': str(err)}
|
||||
|
||||
|
||||
def popen_nt_friendly(command, directory):
|
||||
if os.name == 'nt':
|
||||
# CREATE_NO_WINDOW
|
||||
return Popen(command, creationflags=0x08000000, cwd=directory,
|
||||
stdout=PIPE)
|
||||
return Popen(command, cwd=directory, stdout=PIPE)
|
||||
|
||||
|
||||
def write_latex(filename, string):
|
||||
texstr = _get_latex_template(string)
|
||||
|
||||
file_ = open(filename, 'w+')
|
||||
file_.write(texstr)
|
||||
file_.flush()
|
||||
file_.close()
|
||||
|
||||
|
||||
def _get_latex_template(code):
|
||||
template = '''
|
||||
\\documentclass[12pt]{article}
|
||||
\\usepackage[dvips]{graphicx}
|
||||
\\usepackage{amsmath}
|
||||
\\usepackage{amssymb}
|
||||
\\pagestyle{empty}
|
||||
\\begin{document}
|
||||
\\begin{large}
|
||||
\\begin{gather*}
|
||||
%s
|
||||
\\end{gather*}
|
||||
\\end{large}
|
||||
\\end{document}''' % (code)
|
||||
return template
|
||||
Reference in New Issue
Block a user