Fix some errors when using python3 tempfile

tests/src/python/qgis_local_server.py

@@ -26,7 +26,8 @@
 from utilities import (
     unitTestDataPath,
     getExecutablePath,
-    openInBrowserTab
+    openInBrowserTab,
+    getTempfilePath
 )
 
 # allow import error to be raised if qgis is not on sys.path
@@ -422,10 +423,10 @@ def get_capabilities(self, params, browser=False):
         res = urllib.urlopen(url)
         xml = res.read()
         if browser:
-            tmp = tempfile.NamedTemporaryFile(suffix=".html", delete=False)
-            tmp.write(xml)
-            url = tmp.name
-            tmp.close()
+            tmp_name = getTempfilePath('html')
+            with open(tmp_name, 'wt') as temp_html:
+                temp_html.write(xml)
+            url = tmp_name
             openInBrowserTab(url)
             return False, ''
 
@@ -513,10 +514,9 @@ def get_map(self, params, browser=False):
                 and tmp_png.info().getmaintype() == 'image'
                 and tmp_png.info().getheader('Content-Type') == 'image/png'):
 
-            tmp = tempfile.NamedTemporaryFile(suffix=".png", delete=False)
-            filepath = tmp.name
-            tmp.write(tmp_png.read())
-            tmp.close()
+            filepath = getTempfilePath('png')
+            with open(filepath, 'wb') as temp_image:
+                temp_image.write(tmp_png.read())
             success = True
         else:
             raise ServerProcessError(

tests/src/python/test_qgis_local_server.py

@@ -43,7 +43,7 @@
     unittest
 )
 
-from utilities import openInBrowserTab
+from utilities import openInBrowserTab, getTempfilePath
 
 start_app()
 MAPSERV = getLocalServer()
@@ -171,10 +171,10 @@ def run_suite(module, tests):
             report += '\n<h3>{0}</h3>\n{1}'.format(k, v)
         report += '</body></html>'
 
-        tmp = tempfile.NamedTemporaryFile(suffix=".html", delete=False)
-        tmp.write(report)
-        tmp.close()
-        openInBrowserTab('file://' + tmp.name)
+        tmp_name = getTempfilePath("html")
+        with open(tmp_name, 'wb') as temp_file:
+            temp_file.write(report)
+        openInBrowserTab('file://' + tmp_name)
 
     return res
 

tests/src/python/test_qgspallabeling_base.py

@@ -469,10 +469,10 @@ def runSuite(module, tests):
             report += '\n<h3>{0}</h3>\n{1}'.format(k, v)
         report += '</body></html>'
 
-        tmp = tempfile.NamedTemporaryFile(suffix=".html", delete=False)
-        tmp.write(report)
-        tmp.close()
-        openInBrowserTab('file://' + tmp.name)
+        tmp_name = getTempfilePath('html')
+        with open(tmp_name, 'wt') as report_file:
+            report_file.write(report)
+        openInBrowserTab('file://' + tmp_name)
 
     return res