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0003-wf-export_to_model-add-opendocument-support-4292.patch

Benjamin Dauvergne, 28 octobre 2015 13:13

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Subject: [PATCH 3/4] wf/export_to_model: add opendocument support (#4292)

 tests/template-out.odt    | Bin 0 -> 31138 bytes
 tests/template.odt        | Bin 0 -> 9817 bytes
 tests/test_form_pages.py  |  90 ++++++++++++++++++++++++++++++++++++++++++++--
 wcs/wf/export_to_model.py |  87 ++++++++++++++++++++++++++++++++++++++++----
 4 files changed, 167 insertions(+), 10 deletions(-)
 create mode 100644 tests/template-out.odt
 create mode 100644 tests/template.odt
tests/test_form_pages.py
3 3
import os
4 4
import re
5 5
import StringIO
6
import zipfile
6 7
from webtest import Upload
7 8

  
8 9
from quixote.http_request import Upload as QuixoteUpload
......
23 24

  
24 25
from utilities import get_app, login, create_temporary_pub, clean_temporary_pub, emails
25 26

  
27

  
28
def assert_equal_zip(stream1, stream2):
29
    z1 = zipfile.ZipFile(stream1)
30
    z2 = zipfile.ZipFile(stream2)
31
    assert set(z1.namelist()) == set(z2.namelist())
32
    for name in z1.namelist():
33
        assert z1.read(name) == z2.read(name), 'file "%s" differs' % name
34

  
35

  
26 36
def pytest_generate_tests(metafunc):
27 37
    if 'pub' in metafunc.fixturenames:
28 38
        metafunc.parametrize('pub', ['pickle', 'sql'], indirect=True)
......
1135 1145
    st1 = wf.add_status('Status1', 'st1')
1136 1146
    export_to = ExportToModel()
1137 1147
    export_to.label = 'create doc'
1138
    upload = QuixoteUpload('/foo/test.rtf', content_type='text/rtf')
1148
    upload = QuixoteUpload('/foo/test.rtf', content_type='application/rtf')
1139 1149
    upload.fp = StringIO.StringIO()
1140 1150
    upload.fp.write('HELLO WORLD')
1141 1151
    upload.fp.seek(0)
......
1178 1188
    resp = resp.click('test.rtf')
1179 1189
    assert resp.location.endswith('/test.rtf')
1180 1190
    resp = resp.follow()
1181
    assert resp.content_type == 'text/rtf'
1191
    assert resp.content_type == 'application/rtf'
1182 1192
    assert resp.body == 'HELLO WORLD'
1183 1193

  
1184 1194
    # change file content, same name
1185
    upload = QuixoteUpload('/foo/test.rtf', content_type='text/rtf')
1195
    upload = QuixoteUpload('/foo/test.rtf', content_type='application/rtf')
1186 1196
    upload.fp = StringIO.StringIO()
1187 1197
    upload.fp.write('HELLO NEW WORLD')
1188 1198
    upload.fp.seek(0)
......
1197 1207
    assert resp.click('test.rtf', index=0).follow().body == 'HELLO WORLD'
1198 1208
    assert resp.click('test.rtf', index=1).follow().body == 'HELLO NEW WORLD'
1199 1209

  
1210
def test_formdata_generated_document_odt_download(pub):
1211
    create_user(pub)
1212
    wf = Workflow(name='status')
1213
    st1 = wf.add_status('Status1', 'st1')
1214
    export_to = ExportToModel()
1215
    export_to.label = 'create doc'
1216
    template_filename = os.path.join(os.path.dirname(__file__), 'template.odt')
1217
    template = open(template_filename).read()
1218
    upload = QuixoteUpload('/foo/template.odt', content_type='application/octet-stream')
1219
    upload.fp = StringIO.StringIO()
1220
    upload.fp.write(template)
1221
    upload.fp.seek(0)
1222
    export_to.model_file = UploadedFile(pub.app_dir, None, upload)
1223
    export_to.id = '_export_to'
1224
    export_to.by = ['_submitter']
1225
    st1.items.append(export_to)
1226
    export_to.parent = st1
1227
    wf.store()
1228

  
1229
    formdef = create_formdef()
1230
    formdef.workflow_id = wf.id
1231
    formdef.fields = []
1232
    formdef.store()
1233
    formdef.data_class().wipe()
1234

  
1235
    resp = login(get_app(pub), username='foo', password='foo').get('/test/')
1236
    resp = resp.forms[0].submit('submit')
1237
    assert 'Check values then click submit.' in resp.body
1238
    resp = resp.forms[0].submit('submit')
1239
    assert resp.status_int == 302
1240
    form_location = resp.location
1241
    resp = resp.follow()
1242
    assert 'The form has been recorded' in resp.body
1243

  
1244
    resp = resp.form.submit('button_export_to')
1245

  
1246
    resp = resp.follow() # $form/$id/create_doc
1247
    resp = resp.follow() # $form/$id/create_doc/
1248
    with open(os.path.join(os.path.dirname(__file__), 'template-out.odt')) as f:
1249
        assert_equal_zip(StringIO.StringIO(resp.body), f)
1250

  
1251
    export_to.attach_to_history = True
1252
    wf.store()
1253

  
1254
    resp = login(get_app(pub), username='foo', password='foo').get(form_location)
1255
    resp = resp.form.submit('button_export_to')
1256
    assert resp.location == form_location
1257
    resp = resp.follow() # back to form page
1258

  
1259
    resp = resp.click('template.odt')
1260
    assert resp.location.endswith('/template.odt')
1261
    resp = resp.follow()
1262
    assert resp.content_type == 'application/octet-stream'
1263
    with open(os.path.join(os.path.dirname(__file__), 'template-out.odt')) as f:
1264
        assert_equal_zip(StringIO.StringIO(resp.body), f)
1265

  
1266
    # change file content, same name
1267
    upload = QuixoteUpload('/foo/test.rtf', content_type='application/rtf')
1268
    upload.fp = StringIO.StringIO()
1269
    upload.fp.write('HELLO NEW WORLD')
1270
    upload.fp.seek(0)
1271
    export_to.model_file = UploadedFile(pub.app_dir, None, upload)
1272
    wf.store()
1273

  
1274
    resp = login(get_app(pub), username='foo', password='foo').get(form_location)
1275
    resp = resp.form.submit('button_export_to')
1276
    assert resp.location == form_location
1277
    resp = resp.follow() # back to form page
1278

  
1279
    with open(os.path.join(os.path.dirname(__file__), 'template-out.odt')) as f:
1280
        body = resp.click('template.odt', index=0).follow().body
1281
        assert_equal_zip(StringIO.StringIO(body), f)
1282
    assert resp.click('test.rtf', index=0).follow().body == 'HELLO NEW WORLD'
1283

  
1200 1284
def test_formdata_form_file_download(pub):
1201 1285
    create_user(pub)
1202 1286
    wf = Workflow(name='status')
wcs/wf/export_to_model.py
16 16

  
17 17
from StringIO import StringIO
18 18
from xml.etree import ElementTree as ET
19
import zipfile
19 20

  
20 21
from quixote import get_response, get_request, get_publisher
21 22
from quixote.directory import Directory
......
33 34
                           template_on_formdata, register_item_class)
34 35

  
35 36

  
37
def transform_opendocument(instream, outstream, process):
38
    '''Take a file-like object containing an ODT, ODS, or any open-office
39
       format, parse context.xml with element tree and apply process to its root
40
       node.
41
    '''
42
    zin = zipfile.ZipFile(instream, mode='r')
43
    zout = zipfile.ZipFile(outstream, mode='w')
44
    assert 'content.xml' in zin.namelist()
45
    for filename in zin.namelist():
46
        content = zin.read(filename)
47
        if filename in ('meta.xml', 'content.xml'):
48
            root = ET.fromstring(content)
49
            process(root)
50
            content = ET.tostring(root)
51
        zout.writestr(filename, content)
52
    zout.close()
53

  
54

  
55
def is_opendocument(stream):
56
    try:
57
        with zipfile.ZipFile(stream) as z:
58
            if 'mimetype' in z.namelist():
59
                return z.read('mimetype').startswith('application/vnd.oasis.opendocument.')
60
    except zipfile.BadZipfile:
61
        return False
62
    finally:
63
        stream.seek(0)
64

  
65

  
36 66
class TemplatingError(PublishError):
37 67
    def __init__(self, description):
38 68
        self.title = _('Templating Error')
......
151 181
            return base_url + self.get_directory_name()
152 182

  
153 183
    def model_file_validation(self, upload):
184
        if hasattr(upload, 'fp'):
185
            fp = upload.fp
186
        elif hasattr(upload, 'get_file'):
187
            fp = upload.get_file()
188
        else:
189
            raise Exception('unknown upload %r' % upload)
154 190
        if upload.content_type and upload.content_type == 'application/rtf':
155
            return True, ''
191
            return 'rtf', ''
156 192
        if (upload.content_type and upload.content_type == 'application/octet-stream') or \
157 193
                upload.content_type is None:
158 194
            if upload.base_filename and upload.base_filename.endswith('.rtf'):
159
                return True, ''
160
        upload.fp.seek(0)
161
        if upload.read(10).startswith('{\\rtf'):
162
            upload.fp.seek(0)
163
            return True, ''
164
        return False, _('Only RTF files can be used')
195
                return 'rtf', ''
196
        if fp.read(10).startswith('{\\rtf'):
197
            fp.seek(0)
198
            return 'rtf', ''
199
        fp.seek(0)
200
        if upload.content_type and upload.content_type.startswith('application/vnd.oasis.opendocument.'):
201
            return 'opendocument', ''
202
        if (upload.content_type and upload.content_type == 'application/octet-stream') or \
203
                upload.content_type is None:
204
            if upload.base_filename and upload.base_filename.rsplit('.', 1) in ('odt', 'ods', 'odc', 'odb'):
205
                return 'opendocument', ''
206
        if is_opendocument(fp):
207
            return 'opendocument', ''
208
        return False, _('Only RTF and OpenDocument files can be used')
165 209

  
166 210
    def add_parameters_widgets(self, form, parameters, prefix='',
167 211
                               formdef=None):
......
222 266
    directory_name = property(get_directory_name)
223 267

  
224 268
    def apply_template_to_formdata(self, formdata):
269
        assert self.model_file
270
        kind, msg = self.model_file_validation(self.model_file)
271
        if kind == 'rtf':
272
            return self.apply_rtf_template_to_formdata(formdata)
273
        elif kind == 'opendocument':
274
            return self.apply_od_template_to_formdata(formdata)
275
        else:
276
            raise Exception('unsupported model kind %r' % kind)
277

  
278
    def apply_rtf_template_to_formdata(self, formdata):
225 279
        process = None
226 280
        if self.model_file.base_filename.endswith('.rtf'):
227 281
            process = rtf_process
......
242 296
            raise TemplatingError(_('Unknown error in the '
243 297
                                    'template: %s') % str(e))
244 298

  
299

  
300
    def apply_od_template_to_formdata(self, formdata):
301
        def process_root(root):
302
            def process_text(t):
303
                if isinstance(t, unicode):
304
                    t = t.encode(get_publisher().site_charset)
305
                t = template_on_formdata(formdata, t)
306
                return unicode(t, get_publisher().site_charset)
307
            for node in root.iter():
308
                if node.text:
309
                    node.text = process_text(node.text)
310
                if node.tail:
311
                    node.tail = process_text(node.tail)
312
        outstream = StringIO()
313
        transform_opendocument(self.model_file.get_file(), outstream,
314
                               process_root)
315
        return outstream.getvalue()
316

  
317

  
245 318
    def get_parameters(self):
246 319
        return ('by', 'label', 'model_file', 'attach_to_history',
247 320
                'backoffice_info_text')
248
-