common/uilib.py
author Aurelien Campeas <aurelien.campeas@logilab.fr>
Fri, 12 Feb 2010 14:17:52 +0100
brancholdstable
changeset 4561 029e08b1723f
parent 4247 b1d79216d930
child 4252 6c4f109c2b03
permissions -rw-r--r--
create oldstable branch, remove 3.5 tag
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     1
# -*- coding: utf-8 -*-
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     2
"""user interface libraries
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     3
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     4
contains some functions designed to help implementation of cubicweb user interface
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     5
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     6
:organization: Logilab
4212
ab6573088b4a update copyright: welcome 2010
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 3352
diff changeset
     7
:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
     8
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
1977
606923dff11b big bunch of copyright / docstring update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 1647
diff changeset
     9
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    10
"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    11
__docformat__ = "restructuredtext en"
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    12
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    13
import csv
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    14
import re
1635
866563e2d0fc don't depends on simplejson outside web/
sylvain.thenault@logilab.fr
parents: 1623
diff changeset
    15
from StringIO import StringIO
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    16
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2208
diff changeset
    17
from logilab.mtconverter import xml_escape, html_unescape
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    18
709
b21ee900c732 avoid dependency to common
sylvain.thenault@logilab.fr
parents: 708
diff changeset
    19
from cubicweb.utils import ustrftime
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    20
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    21
def rql_for_eid(eid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    22
    """return the rql query necessary to fetch entity with the given eid.  This
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    23
    function should only be used to generate link with rql inside, not to give
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    24
    to cursor.execute (in which case you won't benefit from rql cache).
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    25
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    26
    :Parameters:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    27
      - `eid`: the eid of the entity we should search
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    28
    :rtype: str
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    29
    :return: the rql query
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    30
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    31
    return 'Any X WHERE X eid %s' % eid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    32
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    33
3212
07d11bacfefe displaytime attribute should not have been removed from there
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3165
diff changeset
    34
def printable_value(req, attrtype, value, props=None, displaytime=True):
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    35
    """return a displayable value (i.e. unicode string)"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    36
    if value is None or attrtype == 'Bytes':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    37
        return u''
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    38
    if attrtype == 'String':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    39
        # don't translate empty value if you don't want strange results
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    40
        if props is not None and value and props.get('internationalizable'):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    41
            return req._(value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    42
        return value
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    43
    if attrtype == 'Date':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    44
        return ustrftime(value, req.property_value('ui.date-format'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    45
    if attrtype == 'Time':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    46
        return ustrftime(value, req.property_value('ui.time-format'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    47
    if attrtype == 'Datetime':
3212
07d11bacfefe displaytime attribute should not have been removed from there
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3165
diff changeset
    48
        if displaytime:
07d11bacfefe displaytime attribute should not have been removed from there
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3165
diff changeset
    49
            return ustrftime(value, req.property_value('ui.datetime-format'))
07d11bacfefe displaytime attribute should not have been removed from there
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 3165
diff changeset
    50
        return ustrftime(value, req.property_value('ui.date-format'))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    51
    if attrtype == 'Boolean':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    52
        if value:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    53
            return req._('yes')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    54
        return req._('no')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    55
    if attrtype == 'Float':
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    56
        value = req.property_value('ui.float-format') % value
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    57
    return unicode(value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    58
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    59
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    60
# text publishing #############################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    61
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    62
try:
1581
80ee6397c087 fix rest import, html_escape in null rest_publish
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
    63
    from cubicweb.ext.rest import rest_publish # pylint: disable-msg=W0611
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    64
except ImportError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    65
    def rest_publish(entity, data):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    66
        """default behaviour if docutils was not found"""
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2208
diff changeset
    67
        return xml_escape(data)
1581
80ee6397c087 fix rest import, html_escape in null rest_publish
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
    68
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    69
TAG_PROG = re.compile(r'</?.*?>', re.U)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    70
def remove_html_tags(text):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    71
    """Removes HTML tags from text
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    72
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    73
    >>> remove_html_tags('<td>hi <a href="http://www.google.fr">world</a></td>')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    74
    'hi world'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    75
    >>>
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    76
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    77
    return TAG_PROG.sub('', text)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    78
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    79
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    80
REF_PROG = re.compile(r"<ref\s+rql=([\'\"])([^\1]*?)\1\s*>([^<]*)</ref>", re.U)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    81
def _subst_rql(view, obj):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    82
    delim, rql, descr = obj.groups()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    83
    return u'<a href="%s">%s</a>' % (view.build_url(rql=rql), descr)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    84
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    85
def html_publish(view, text):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    86
    """replace <ref rql=''> links by <a href="...">"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    87
    if not text:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    88
        return u''
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    89
    return REF_PROG.sub(lambda obj, view=view:_subst_rql(view, obj), text)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
    90
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
    91
# fallback implementation, nicer one defined below if lxml is available
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
    92
def soup2xhtml(data, encoding):
2208
1c73148ed912 normalize line breaks (actually fix https://www.logilab.net/cwo/ticket/343754)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
    93
    # normalize line break
1c73148ed912 normalize line breaks (actually fix https://www.logilab.net/cwo/ticket/343754)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
    94
    # see http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.7.1
1c73148ed912 normalize line breaks (actually fix https://www.logilab.net/cwo/ticket/343754)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
    95
    return u'\n'.join(data.splitlines())
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
    96
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
    97
# fallback implementation, nicer one defined below if lxml> 2.0 is available
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
    98
def safe_cut(text, length):
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
    99
    """returns a string of length <length> based on <text>, removing any html
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   100
    tags from given text if cut is necessary."""
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   101
    if text is None:
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   102
        return u''
362
a6a319f000c3 use mtconverter's html_unescape rather than saxutils' escape to deal with any html entity
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 350
diff changeset
   103
    noenttext = html_unescape(text)
350
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   104
    text_nohtml = remove_html_tags(noenttext)
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   105
    # try to keep html tags if text is short enough
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   106
    if len(text_nohtml) <= length:
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   107
        return text
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   108
    # else if un-tagged text is too long, cut it
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2208
diff changeset
   109
    return xml_escape(text_nohtml[:length] + u'...')
350
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   110
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   111
fallback_safe_cut = safe_cut
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   112
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   113
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   114
try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   115
    from lxml import etree
228
27b958dc72ae [lxml] lxml version < 2 does not provide an iter method on some elements
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 165
diff changeset
   116
except (ImportError, AttributeError):
3352
83aabc5e3de3 a case for tidy : for your consideration
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 3212
diff changeset
   117
    # gae environment: lxml not available
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   118
    pass
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   119
else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   120
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   121
    def soup2xhtml(data, encoding):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   122
        """tidy (at least try) html soup and return the result
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   123
        Note: the function considers a string with no surrounding tag as valid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   124
              if <div>`data`</div> can be parsed by an XML parser
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   125
        """
2208
1c73148ed912 normalize line breaks (actually fix https://www.logilab.net/cwo/ticket/343754)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   126
        # normalize line break
1c73148ed912 normalize line breaks (actually fix https://www.logilab.net/cwo/ticket/343754)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   127
        # see http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.7.1
1c73148ed912 normalize line breaks (actually fix https://www.logilab.net/cwo/ticket/343754)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   128
        data = u'\n'.join(data.splitlines())
1c73148ed912 normalize line breaks (actually fix https://www.logilab.net/cwo/ticket/343754)
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 1977
diff changeset
   129
        # XXX lxml 1.1 support still needed ?
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   130
        xmltree = etree.HTML('<div>%s</div>' % data)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   131
        # NOTE: lxml 1.1 (etch platforms) doesn't recognize
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   132
        #       the encoding=unicode parameter (lxml 2.0 does), this is
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   133
        #       why we specify an encoding and re-decode to unicode later
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   134
        body = etree.tostring(xmltree[0], encoding=encoding)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   135
        # remove <body> and </body> and decode to unicode
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   136
        return body[11:-13].decode(encoding)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   137
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   138
    if hasattr(etree.HTML('<div>test</div>'), 'iter'):
165
c5ff97312b8a cleaning code
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents: 164
diff changeset
   139
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   140
        def safe_cut(text, length):
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   141
            """returns an html document of length <length> based on <text>,
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   142
            and cut is necessary.
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   143
            """
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   144
            if text is None:
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   145
                return u''
350
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   146
            dom = etree.HTML(text)
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   147
            curlength = 0
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   148
            add_ellipsis = False
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   149
            for element in dom.iter():
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   150
                if curlength >= length:
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   151
                    parent = element.getparent()
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   152
                    parent.remove(element)
350
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   153
                    if curlength == length and (element.text or element.tail):
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   154
                        add_ellipsis = True
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   155
                else:
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   156
                    if element.text is not None:
350
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   157
                        element.text = cut(element.text, length - curlength)
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   158
                        curlength += len(element.text)
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   159
                    if element.tail is not None:
350
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   160
                        if curlength < length:
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   161
                            element.tail = cut(element.tail, length - curlength)
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   162
                            curlength += len(element.tail)
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   163
                        elif curlength == length:
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   164
                            element.tail = '...'
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   165
                        else:
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   166
                            element.tail = ''
350
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   167
            text = etree.tounicode(dom[0])[6:-7] # remove wrapping <body></body>
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   168
            if add_ellipsis:
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   169
                return text + u'...'
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   170
            return text
1157
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   171
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   172
def text_cut(text, nbwords=30, gotoperiod=True):
350
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   173
    """from the given plain text, return a text with at least <nbwords> words,
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   174
    trying to go to the end of the current sentence.
277
a11a3c231050 fix lxml is available, we can have a nicer version of soup2xhtml even if its lxml < 2.0
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 228
diff changeset
   175
1157
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   176
    :param nbwords: the minimum number of words required
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   177
    :param gotoperiod: specifies if the function should try to go to
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   178
                       the first period after the cut (i.e. finish
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   179
                       the sentence if possible)
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   180
350
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   181
    Note that spaces are normalized.
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   182
    """
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   183
    if text is None:
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   184
        return u''
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   185
    words = text.split()
927
bfcc610c3d5e text_cut must return unicode not string
Stephanie Marcu <stephanie.marcu@logilab.fr>
parents: 525
diff changeset
   186
    text = u' '.join(words) # normalize spaces
1157
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   187
    textlength = minlength = len(' '.join(words[:nbwords]))
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   188
    if gotoperiod:
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   189
        textlength = text.find('.', minlength) + 1
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   190
        if textlength == 0: # no period found
81a383cdda5c text_cut() accepts a gotoperiod parameter
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents: 927
diff changeset
   191
            textlength = minlength
350
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   192
    return text[:textlength]
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   193
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   194
def cut(text, length):
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   195
    """returns a string of a maximum length <length> based on <text>
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   196
    (approximatively, since if text has been  cut, '...' is added to the end of the string,
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   197
    resulting in a string of len <length> + 3)
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   198
    """
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   199
    if text is None:
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   200
        return u''
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   201
    if len(text) <= length:
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   202
        return text
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   203
    # else if un-tagged text is too long, cut it
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   204
    return text[:length] + u'...'
f34ef2c64605 cleanup/fix cut variants
Sylvain Thenault <sylvain.thenault@logilab.fr>
parents: 277
diff changeset
   205
165
c5ff97312b8a cleaning code
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents: 164
diff changeset
   206
1581
80ee6397c087 fix rest import, html_escape in null rest_publish
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   207
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   208
# HTML generation helper functions ############################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   209
2398
a8d18e320ef3 a standard-conformant fix for sgml_tags
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2375
diff changeset
   210
HTML4_EMPTY_TAGS = frozenset(('base', 'meta', 'link', 'hr', 'br', 'param',
a8d18e320ef3 a standard-conformant fix for sgml_tags
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2375
diff changeset
   211
                              'img', 'area', 'input', 'col'))
a8d18e320ef3 a standard-conformant fix for sgml_tags
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2375
diff changeset
   212
2516
b58826130680 extract function: sgml_attributes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2458
diff changeset
   213
def sgml_attributes(attrs):
b58826130680 extract function: sgml_attributes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2458
diff changeset
   214
    return u' '.join(u'%s="%s"' % (attr, xml_escape(unicode(value)))
b58826130680 extract function: sgml_attributes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2458
diff changeset
   215
                     for attr, value in sorted(attrs.items())
b58826130680 extract function: sgml_attributes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2458
diff changeset
   216
                     if value is not None)
b58826130680 extract function: sgml_attributes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2458
diff changeset
   217
1623
sylvain.thenault@logilab.fr
parents: 1581
diff changeset
   218
def simple_sgml_tag(tag, content=None, escapecontent=True, **attrs):
525
bd4e03297cf0 function to make generation of a simple sgml tag
sylvain.thenault@logilab.fr
parents: 362
diff changeset
   219
    """generation of a simple sgml tag (eg without children tags) easier
bd4e03297cf0 function to make generation of a simple sgml tag
sylvain.thenault@logilab.fr
parents: 362
diff changeset
   220
2399
68799e25f893 a standard-conformant fix for sgml_tags
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2375
diff changeset
   221
    content and attri butes will be escaped
525
bd4e03297cf0 function to make generation of a simple sgml tag
sylvain.thenault@logilab.fr
parents: 362
diff changeset
   222
    """
bd4e03297cf0 function to make generation of a simple sgml tag
sylvain.thenault@logilab.fr
parents: 362
diff changeset
   223
    value = u'<%s' % tag
bd4e03297cf0 function to make generation of a simple sgml tag
sylvain.thenault@logilab.fr
parents: 362
diff changeset
   224
    if attrs:
980
59552ba2015f more tags, map klass -> class avoiding needs to use **dict
sylvain.thenault@logilab.fr
parents: 862
diff changeset
   225
        try:
59552ba2015f more tags, map klass -> class avoiding needs to use **dict
sylvain.thenault@logilab.fr
parents: 862
diff changeset
   226
            attrs['class'] = attrs.pop('klass')
59552ba2015f more tags, map klass -> class avoiding needs to use **dict
sylvain.thenault@logilab.fr
parents: 862
diff changeset
   227
        except KeyError:
59552ba2015f more tags, map klass -> class avoiding needs to use **dict
sylvain.thenault@logilab.fr
parents: 862
diff changeset
   228
            pass
2516
b58826130680 extract function: sgml_attributes
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2458
diff changeset
   229
        value += u' ' + sgml_attributes(attrs)
525
bd4e03297cf0 function to make generation of a simple sgml tag
sylvain.thenault@logilab.fr
parents: 362
diff changeset
   230
    if content:
1623
sylvain.thenault@logilab.fr
parents: 1581
diff changeset
   231
        if escapecontent:
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2208
diff changeset
   232
            content = xml_escape(unicode(content))
1623
sylvain.thenault@logilab.fr
parents: 1581
diff changeset
   233
        value += u'>%s</%s>' % (content, tag)
525
bd4e03297cf0 function to make generation of a simple sgml tag
sylvain.thenault@logilab.fr
parents: 362
diff changeset
   234
    else:
2398
a8d18e320ef3 a standard-conformant fix for sgml_tags
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2375
diff changeset
   235
        if tag in HTML4_EMPTY_TAGS:
a8d18e320ef3 a standard-conformant fix for sgml_tags
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2375
diff changeset
   236
            value += u' />'
a8d18e320ef3 a standard-conformant fix for sgml_tags
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2375
diff changeset
   237
        else:
a8d18e320ef3 a standard-conformant fix for sgml_tags
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents: 2375
diff changeset
   238
            value += u'></%s>' % tag
525
bd4e03297cf0 function to make generation of a simple sgml tag
sylvain.thenault@logilab.fr
parents: 362
diff changeset
   239
    return value
bd4e03297cf0 function to make generation of a simple sgml tag
sylvain.thenault@logilab.fr
parents: 362
diff changeset
   240
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   241
def tooltipize(text, tooltip, url=None):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   242
    """make an HTML tooltip"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   243
    url = url or '#'
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   244
    return u'<a href="%s" title="%s">%s</a>' % (url, tooltip, text)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   245
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   246
def toggle_action(nodeid):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   247
    """builds a HTML link that uses the js toggleVisibility function"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   248
    return u"javascript: toggleVisibility('%s')" % nodeid
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   249
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   250
def toggle_link(nodeid, label):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   251
    """builds a HTML link that uses the js toggleVisibility function"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   252
    return u'<a href="%s">%s</a>' % (toggle_action(nodeid), label)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   253
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   254
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   255
def ureport_as_html(layout):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   256
    from logilab.common.ureports import HTMLWriter
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   257
    formater = HTMLWriter(True)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   258
    stream = StringIO() #UStringIO() don't want unicode assertion
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   259
    formater.format(layout, stream)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   260
    res = stream.getvalue()
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   261
    if isinstance(res, str):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   262
        res = unicode(res, 'UTF8')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   263
    return res
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   264
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   265
# traceback formatting ########################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   266
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   267
import traceback
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   268
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   269
def rest_traceback(info, exception):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   270
    """return a ReST formated traceback"""
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   271
    res = [u'Traceback\n---------\n::\n']
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   272
    for stackentry in traceback.extract_tb(info[2]):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   273
        res.append(u'\tFile %s, line %s, function %s' % tuple(stackentry[:3]))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   274
        if stackentry[3]:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   275
            res.append(u'\t  %s' % stackentry[3].decode('utf-8', 'replace'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   276
    res.append(u'\n')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   277
    try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   278
        res.append(u'\t Error: %s\n' % exception)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   279
    except:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   280
        pass
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   281
    return u'\n'.join(res)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   282
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   283
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   284
def html_traceback(info, exception, title='',
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   285
                   encoding='ISO-8859-1', body=''):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   286
    """ return an html formatted traceback from python exception infos.
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   287
    """
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   288
    tcbk = info[2]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   289
    stacktb = traceback.extract_tb(tcbk)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   290
    strings = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   291
    if body:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   292
        strings.append(u'<div class="error_body">')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   293
        # FIXME
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   294
        strings.append(body)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   295
        strings.append(u'</div>')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   296
    if title:
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2208
diff changeset
   297
        strings.append(u'<h1 class="error">%s</h1>'% xml_escape(title))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   298
    try:
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2208
diff changeset
   299
        strings.append(u'<p class="error">%s</p>' % xml_escape(str(exception)).replace("\n","<br />"))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   300
    except UnicodeError:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   301
        pass
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   302
    strings.append(u'<div class="error_traceback">')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   303
    for index, stackentry in enumerate(stacktb):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   304
        strings.append(u'<b>File</b> <b class="file">%s</b>, <b>line</b> '
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   305
                       u'<b class="line">%s</b>, <b>function</b> '
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   306
                       u'<b class="function">%s</b>:<br/>'%(
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2208
diff changeset
   307
            xml_escape(stackentry[0]), stackentry[1], xml_escape(stackentry[2])))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   308
        if stackentry[3]:
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2208
diff changeset
   309
            string = xml_escape(stackentry[3]).decode('utf-8', 'replace')
2996
866a2c135c33 B #345282 xhtml requires to use &#160; instead of &nbsp;
Nicolas Chauvat <nicolas.chauvat@logilab.fr>
parents: 2516
diff changeset
   310
            strings.append(u'&#160;&#160;%s<br/>\n' % (string))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   311
        # add locals info for each entry
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   312
        try:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   313
            local_context = tcbk.tb_frame.f_locals
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   314
            html_info = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   315
            chars = 0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   316
            for name, value in local_context.iteritems():
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2208
diff changeset
   317
                value = xml_escape(repr(value))
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   318
                info = u'<span class="name">%s</span>=%s, ' % (name, value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   319
                line_length = len(name) + len(value)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   320
                chars += line_length
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   321
                # 150 is the result of *years* of research ;-) (CSS might be helpful here)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   322
                if chars > 150:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   323
                    info = u'<br/>' + info
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   324
                    chars = line_length
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   325
                html_info.append(info)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   326
            boxid = 'ctxlevel%d' % index
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   327
            strings.append(u'[%s]' % toggle_link(boxid, '+'))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   328
            strings.append(u'<div id="%s" class="pycontext hidden">%s</div>' %
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   329
                           (boxid, ''.join(html_info)))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   330
            tcbk = tcbk.tb_next
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   331
        except Exception:
1581
80ee6397c087 fix rest import, html_escape in null rest_publish
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   332
            pass # doesn't really matter if we have no context info
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   333
    strings.append(u'</div>')
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   334
    return '\n'.join(strings)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   335
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   336
# csv files / unicode support #################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   337
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   338
class UnicodeCSVWriter:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   339
    """proxies calls to csv.writer.writerow to be able to deal with unicode"""
1581
80ee6397c087 fix rest import, html_escape in null rest_publish
sylvain.thenault@logilab.fr
parents: 1263
diff changeset
   340
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   341
    def __init__(self, wfunc, encoding, **kwargs):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   342
        self.writer = csv.writer(self, **kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   343
        self.wfunc = wfunc
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   344
        self.encoding = encoding
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   345
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   346
    def write(self, data):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   347
        self.wfunc(data)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   348
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   349
    def writerow(self, row):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   350
        csvrow = []
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   351
        for elt in row:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   352
            if isinstance(elt, unicode):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   353
                csvrow.append(elt.encode(self.encoding))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   354
            else:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   355
                csvrow.append(str(elt))
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   356
        self.writer.writerow(csvrow)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   357
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   358
    def writerows(self, rows):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   359
        for row in rows:
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   360
            self.writerow(row)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   361
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   362
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   363
# some decorators #############################################################
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   364
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   365
class limitsize(object):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   366
    def __init__(self, maxsize):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   367
        self.maxsize = maxsize
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   368
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   369
    def __call__(self, function):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   370
        def newfunc(*args, **kwargs):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   371
            ret = function(*args, **kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   372
            if isinstance(ret, basestring):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   373
                return ret[:self.maxsize]
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   374
            return ret
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   375
        return newfunc
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   376
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   377
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   378
def htmlescape(function):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   379
    def newfunc(*args, **kwargs):
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   380
        ret = function(*args, **kwargs)
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   381
        assert isinstance(ret, basestring)
2312
af4d8f75c5db use xml_escape
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents: 2208
diff changeset
   382
        return xml_escape(ret)
0
b97547f5f1fa Showtime !
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
diff changeset
   383
    return newfunc