erp5_wendelin: fix byte size of data array and add test

bt5/erp5_wendelin/DocumentTemplateItem/portal_components/document.erp5.DataArray.py

@@ -179,7 +179,6 @@ class DataArray(BigFile):
       ranges = HTTPRangeSupport.parseRange(range)
 
       array = self.getArray()
-      factor = array.nbytes / array.shape[0]
 
       if if_range is not None:
         # Only send ranges if the data isn't modified, otherwise send
@@ -240,9 +239,10 @@ class DataArray(BigFile):
           RESPONSE.setHeader('Content-Range',
               'bytes %d-%d/%d' % (start, end - 1, self.getSize()))
           RESPONSE.setStatus(206) # Partial content
-
-          # convert ranges from bytes to array indices
-          RESPONSE.write(array[start/factor:end/factor].tobytes())
+          self.log(str((start, end)))
+          # convert array to bytes
+          data = array[:].view('<b').reshape((-1,))[start:end].tobytes()
+          RESPONSE.setBody(data, lock=True)
         else:
           boundary = choose_boundary()
 
@@ -260,6 +260,7 @@ class DataArray(BigFile):
           # will only accept x-byteranges.
           draftprefix = (request_range is not None) and 'x-' or ''
 
+          self.log(size)
           RESPONSE.setHeader('Content-Length', size)
           RESPONSE.setHeader('Accept-Ranges', 'bytes')
           RESPONSE.setHeader('Last-Modified', rfc1123_date(self._data_mtime()))
@@ -267,17 +268,19 @@ class DataArray(BigFile):
               'multipart/%sbyteranges; boundary=%s' % (
                   draftprefix, boundary))
           RESPONSE.setStatus(206) # Partial content
-
+          data = ''
           for start, end in ranges:
-            RESPONSE.write('\r\n--%s\r\n' % boundary)
-            RESPONSE.write('Content-Type: %s\r\n' %
-                self.content_type)
-            RESPONSE.write(
-                'Content-Range: bytes %d-%d/%d\r\n\r\n' % (
-                    start, end - 1, self.getSize()))
-
-            # convert ranges from bytes to array indices
-            RESPONSE.write(array[start/factor:end/factor].tobytes())
-
-          RESPONSE.write('\r\n--%s--\r\n' % boundary)
+            data = '{data}\r\n--{boundary}\r\n'\
+                   'Content-Type: {content_type}\r\n'\
+                   'Content-Range: bytes {start:d}-{end:d}/{size:d}\r\n\r\n'\
+                   '{array}'.format(data=data,
+                             boundary=boundary,
+                             content_type=self.content_type,
+                             start=start,
+                             end=end-1,
+                             size=self.getSize(),
+                             array=array[:].view('<b').reshape((-1,))[start:end].tobytes())
+
+          data = '{}\r\n--{}--\r\n'.format(data, boundary)
+          RESPONSE.setBody(data, lock=True)
           return True
\ No newline at end of file

bt5/erp5_wendelin/DocumentTemplateItem/portal_components/document.erp5.DataArray.xml

@@ -46,9 +46,9 @@
             <key> <string>text_content_warning_message</string> </key>
             <value>
               <tuple>
-                <string>W:133, 42: Redefining built-in \'format\' (redefined-builtin)</string>
-                <string>W:165,  4: Redefining built-in \'range\' (redefined-builtin)</string>
-                <string>W:192, 10: No exception type(s) specified (bare-except)</string>
+                <string>W:139, 42: Redefining built-in \'format\' (redefined-builtin)</string>
+                <string>W:171,  4: Redefining built-in \'range\' (redefined-builtin)</string>
+                <string>W:197, 10: No exception type(s) specified (bare-except)</string>
               </tuple>
             </value>
         </item>
@@ -104,11 +104,13 @@
   </record>
   <record id="4" aka="AAAAAAAAAAQ=">
     <pickle>
-      <global name="WorkflowHistoryList" module="Products.ERP5Type.patches.WorkflowTool"/>
+      <global name="WorkflowHistoryList" module="Products.ERP5Type.Workflow"/>
     </pickle>
     <pickle>
-      <tuple>
-        <none/>
+      <dictionary>
+        <item>
+            <key> <string>_log</string> </key>
+            <value>
               <list>
                 <dictionary>
                   <item>
@@ -121,7 +123,9 @@
                   </item>
                 </dictionary>
               </list>
-      </tuple>
+            </value>
+        </item>
+      </dictionary>
     </pickle>
   </record>
 </ZopeData>

bt5/erp5_wendelin/TestTemplateItem/portal_components/test.erp5.testWendelin.py

@@ -33,6 +33,10 @@ import numpy as np
 import string
 import random
 import urllib
+import requests
+import StringIO as st
+
+from Products.ERP5Type.Log import log
 
 def getRandomString():
   return 'test_%s' %''.join([random.choice(string.ascii_letters + string.digits) \
@@ -230,6 +234,18 @@ class Test(ERP5TypeTestCase):
            np.array_equal(data_array.getArraySlice(0,100), \
                           new_array[:100]))
     
+    # test get array by request if exists and chech that length is correct
+    data_arrays = self.portal.data_array_module.objectValues()
+    spectrum_array = [o for o in data_arrays if o.getTitle() == 'pydata-spectrum2']
+    if len(spectrum_array) == 1:
+      spectrum_array_id = spectrum_array[0].getId()
+      headers = {'Range': 'bytes=0-'}
+      url = 'https://softinst127199.host.vifib.net/erp5/web_site_module/pydata_runner/hateoas/data_array_module/' + spectrum_array_id
+      response = requests.get(url, auth=('zope', 'aybvtnkf'), headers=headers)
+      response_string = st.StringIO()
+      response_string.write(response.content)
+      self.assertEquals(response_string.len, spectrum_array[0].getSize())
+
   def test_04_DataBucket(self):
     """
       Test data bucket

bt5/erp5_wendelin/TestTemplateItem/portal_components/test.erp5.testWendelin.xml

@@ -46,7 +46,8 @@
             <key> <string>text_content_warning_message</string> </key>
             <value>
               <tuple>
-                <string>W: 63, 35: Unused variable \'data_product\' (unused-variable)</string>
+                <string>W: 67, 35: Unused variable \'data_product\' (unused-variable)</string>
+                <string>W: 39,  0: Unused log imported from Products.ERP5Type.Log (unused-import)</string>
               </tuple>
             </value>
         </item>
@@ -102,11 +103,13 @@
   </record>
   <record id="4" aka="AAAAAAAAAAQ=">
     <pickle>
-      <global name="WorkflowHistoryList" module="Products.ERP5Type.patches.WorkflowTool"/>
+      <global name="WorkflowHistoryList" module="Products.ERP5Type.Workflow"/>
     </pickle>
     <pickle>
-      <tuple>
-        <none/>
+      <dictionary>
+        <item>
+            <key> <string>_log</string> </key>
+            <value>
               <list>
                 <dictionary>
                   <item>
@@ -119,7 +122,9 @@
                   </item>
                 </dictionary>
               </list>
-      </tuple>
+            </value>
+        </item>
+      </dictionary>
     </pickle>
   </record>
 </ZopeData>