logilab-common #298777 HTMLWriter throws UnicodeDecodeError if Section->Table.children contains unicode string [open]


from logilab.common.ureports import HTMLWriter, Section, Table

section = Section(u'Main Section')

table = Table(cols=1, children=[u'\u20ac'], rheaders=1)


Is throwing UnicodeDecodeError:

Traceback (most recent call last):
   File "INSTALL_PATH/logilab/common/ureports/html_writer.py", line 92, in visit_table
    self.writeln(u'<th>%s</th>' % cell)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 0: ordinal not in range(128)

logilab.common.ureports.BaseWriter.compute_content is doing some really strange magic with StringIO and children rendering. It does not matter if You pass unicode object as children. compute_content converts it to bytestrings and than HTMLWriter fails while trying to output it.

Related pylint issue: https://bitbucket.org/logilab/pylint/issues/420/html-report-unicodeencodeerror

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