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132 lines
4.8 KiB
Python
132 lines
4.8 KiB
Python
# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of logilab-common.
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#
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# logilab-common is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option) any
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# later version.
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#
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# logilab-common is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with logilab-common. If not, see <http://www.gnu.org/licenses/>.
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"""HTML formatting drivers for ureports"""
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__docformat__ = "restructuredtext en"
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from cgi import escape
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from logilab.common.ureports import BaseWriter
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class HTMLWriter(BaseWriter):
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"""format layouts as HTML"""
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def __init__(self, snippet=None):
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super(HTMLWriter, self).__init__()
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self.snippet = snippet
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def handle_attrs(self, layout):
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"""get an attribute string from layout member attributes"""
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attrs = ''
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klass = getattr(layout, 'klass', None)
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if klass:
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attrs += ' class="%s"' % klass
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nid = getattr(layout, 'id', None)
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if nid:
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attrs += ' id="%s"' % nid
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return attrs
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def begin_format(self, layout):
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"""begin to format a layout"""
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super(HTMLWriter, self).begin_format(layout)
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if self.snippet is None:
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self.writeln('<html>')
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self.writeln('<body>')
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def end_format(self, layout):
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"""finished to format a layout"""
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if self.snippet is None:
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self.writeln('</body>')
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self.writeln('</html>')
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def visit_section(self, layout):
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"""display a section as html, using div + h[section level]"""
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self.section += 1
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self.writeln('<div%s>' % self.handle_attrs(layout))
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self.format_children(layout)
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self.writeln('</div>')
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self.section -= 1
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def visit_title(self, layout):
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"""display a title using <hX>"""
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self.write('<h%s%s>' % (self.section, self.handle_attrs(layout)))
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self.format_children(layout)
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self.writeln('</h%s>' % self.section)
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def visit_table(self, layout):
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"""display a table as html"""
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self.writeln('<table%s>' % self.handle_attrs(layout))
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table_content = self.get_table_content(layout)
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for i in range(len(table_content)):
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row = table_content[i]
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if i == 0 and layout.rheaders:
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self.writeln('<tr class="header">')
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elif i+1 == len(table_content) and layout.rrheaders:
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self.writeln('<tr class="header">')
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else:
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self.writeln('<tr class="%s">' % (i%2 and 'even' or 'odd'))
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for j in range(len(row)):
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cell = row[j] or ' '
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if (layout.rheaders and i == 0) or \
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(layout.cheaders and j == 0) or \
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(layout.rrheaders and i+1 == len(table_content)) or \
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(layout.rcheaders and j+1 == len(row)):
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self.writeln('<th>%s</th>' % cell)
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else:
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self.writeln('<td>%s</td>' % cell)
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self.writeln('</tr>')
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self.writeln('</table>')
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def visit_list(self, layout):
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"""display a list as html"""
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self.writeln('<ul%s>' % self.handle_attrs(layout))
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for row in list(self.compute_content(layout)):
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self.writeln('<li>%s</li>' % row)
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self.writeln('</ul>')
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def visit_paragraph(self, layout):
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"""display links (using <p>)"""
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self.write('<p>')
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self.format_children(layout)
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self.write('</p>')
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def visit_span(self, layout):
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"""display links (using <p>)"""
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self.write('<span%s>' % self.handle_attrs(layout))
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self.format_children(layout)
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self.write('</span>')
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def visit_link(self, layout):
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"""display links (using <a>)"""
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self.write(' <a href="%s"%s>%s</a>' % (layout.url,
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self.handle_attrs(layout),
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layout.label))
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def visit_verbatimtext(self, layout):
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"""display verbatim text (using <pre>)"""
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self.write('<pre>')
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self.write(layout.data.replace('&', '&').replace('<', '<'))
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self.write('</pre>')
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def visit_text(self, layout):
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"""add some text"""
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data = layout.data
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if layout.escaped:
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data = data.replace('&', '&').replace('<', '<')
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self.write(data)
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