[1.8.x] Normalized usage of the tempfile module.

Specifically stopped using the dir argument.

Backport of a8fe1241 from master

tests/admin_views/tests.py

@@ -3322,8 +3322,7 @@ class AdminInlineFileUploadTest(TestCase):
         # Set up test Picture and Gallery.
         # These must be set up here instead of in fixtures in order to allow Picture
         # to use a NamedTemporaryFile.
-        tdir = tempfile.gettempdir()
-        file1 = tempfile.NamedTemporaryFile(suffix=".file1", dir=tdir)
+        file1 = tempfile.NamedTemporaryFile(suffix=".file1")
         file1.write(b'a' * (2 ** 21))
         filename = file1.name
         file1.close()

tests/file_uploads/tests.py

@@ -50,10 +50,8 @@ class FileUploadTests(TestCase):
         self.assertEqual(response.status_code, 200)
 
     def test_large_upload(self):
-        tdir = tempfile.gettempdir()
-
         file = tempfile.NamedTemporaryFile
-        with file(suffix=".file1", dir=tdir) as file1, file(suffix=".file2", dir=tdir) as file2:
+        with file(suffix=".file1") as file1, file(suffix=".file2") as file2:
             file1.write(b'a' * (2 ** 21))
             file1.seek(0)
 
@@ -262,11 +260,8 @@ class FileUploadTests(TestCase):
                             "Got a long file name (%s characters)." % len(got))
 
     def test_file_content(self):
-        tdir = tempfile.gettempdir()
-
         file = tempfile.NamedTemporaryFile
-        with file(suffix=".ctype_extra", dir=tdir) as no_content_type, \
-                file(suffix=".ctype_extra", dir=tdir) as simple_file:
+        with file(suffix=".ctype_extra") as no_content_type, file(suffix=".ctype_extra") as simple_file:
             no_content_type.write(b'no content')
             no_content_type.seek(0)
 
@@ -291,10 +286,8 @@ class FileUploadTests(TestCase):
 
     def test_content_type_extra(self):
         """Uploaded files may have content type parameters available."""
-        tdir = tempfile.gettempdir()
-
         file = tempfile.NamedTemporaryFile
-        with file(suffix=".ctype_extra", dir=tdir) as no_content_type, file(suffix=".ctype_extra", dir=tdir) as simple_file:
+        with file(suffix=".ctype_extra") as no_content_type, file(suffix=".ctype_extra") as simple_file:
             no_content_type.write(b'something')
             no_content_type.seek(0)
 

tests/gis_tests/geoapp/tests.py

 from __future__ import unicode_literals
 
 import re
-from tempfile import NamedTemporaryFile
+import tempfile
 
 from django.contrib.gis import gdal
 from django.contrib.gis.geos import HAS_GEOS
@@ -219,10 +219,10 @@ class GeoModelTest(TestCase):
         self.assertIn('"point": "%s"' % houston.point.ewkt, result)
 
         # Reload now dumped data
-        with NamedTemporaryFile(mode='w', suffix='.json') as tempfile:
-            tempfile.write(result)
-            tempfile.seek(0)
-            call_command('loaddata', tempfile.name, verbosity=0)
+        with tempfile.NamedTemporaryFile(mode='w', suffix='.json') as tmp:
+            tmp.write(result)
+            tmp.seek(0)
+            call_command('loaddata', tmp.name, verbosity=0)
         self.assertListEqual(original_data, list(City.objects.all().order_by('name')))
 
 

tests/model_regress/test_pickle.py

@@ -80,14 +80,16 @@ print(article.headline)"""
             article_text="This is an article",
         )
 
-        with NamedTemporaryFile(mode='w+', suffix=".py", dir='.') as script:
+        with NamedTemporaryFile(mode='w+', suffix=".py") as script:
             script.write(script_template % pickle.dumps(a))
             script.flush()
+            pythonpath = [os.path.dirname(script.name)] + sys.path
             env = {
                 # Needed to run test outside of tests directory
-                str('PYTHONPATH'): os.pathsep.join(sys.path),
+                str('PYTHONPATH'): os.pathsep.join(pythonpath),
                 # Needed on Windows because http://bugs.python.org/issue8557
                 str('PATH'): os.environ['PATH'],
+                str('TMPDIR'): os.environ['TMPDIR'],
                 str('LANG'): os.environ.get('LANG', ''),
             }
             if 'SYSTEMROOT' in os.environ:  # Windows http://bugs.python.org/issue20614

tests/utils_tests/test_autoreload.py

@@ -5,6 +5,7 @@ from importlib import import_module
 from django import conf
 from django.contrib import admin
 from django.test import TestCase, override_settings
+from django.test.utils import extend_sys_path
 from django.utils._os import npath, upath
 from django.utils.autoreload import gen_filenames
 
@@ -88,12 +89,12 @@ class TestFilenameGenerator(TestCase):
         self.assertFalse(any(f.endswith('.pyc') for f in gen_filenames()))
 
     def test_deleted_removed(self):
-        fd, filepath = tempfile.mkstemp(dir=os.path.dirname(upath(__file__)), suffix='.py')
-        try:
-            _, filename = os.path.split(filepath)
-            import_module('.%s' % filename.replace('.py', ''), package='utils_tests')
-            self.assertIn(npath(filepath), gen_filenames())
-        finally:
-            os.close(fd)
-            os.remove(filepath)
-        self.assertNotIn(filepath, gen_filenames())
+        dirname = tempfile.mkdtemp()
+        filename = os.path.join(dirname, 'test_deleted_removed_module.py')
+        with open(filename, 'w'):
+            pass
+        with extend_sys_path(dirname):
+            import_module('test_deleted_removed_module')
+        self.assertIn(npath(filename), gen_filenames())
+        os.unlink(filename)
+        self.assertNotIn(filename, gen_filenames())

tests/view_tests/tests/test_debug.py

@@ -9,7 +9,7 @@ import os
 import re
 import shutil
 import sys
-from tempfile import NamedTemporaryFile, mkdtemp, mkstemp
+import tempfile
 from unittest import skipIf
 
 from django.core import mail
@@ -142,8 +142,8 @@ class DebugViewTests(TestCase):
     def test_template_loader_postmortem(self):
         """Tests for not existing file"""
         template_name = "notfound.html"
-        with NamedTemporaryFile(prefix=template_name) as tempfile:
-            tempdir = os.path.dirname(tempfile.name)
+        with tempfile.NamedTemporaryFile(prefix=template_name) as tmpfile:
+            tempdir = os.path.dirname(tmpfile.name)
             template_path = os.path.join(tempdir, template_name)
             with override_settings(TEMPLATES=[{
                 'BACKEND': 'django.template.backends.django.DjangoTemplates',
@@ -155,9 +155,9 @@ class DebugViewTests(TestCase):
     @skipIf(sys.platform == "win32", "Python on Windows doesn't have working os.chmod() and os.access().")
     def test_template_loader_postmortem_notreadable(self):
         """Tests for not readable file"""
-        with NamedTemporaryFile() as tempfile:
-            template_name = tempfile.name
-            tempdir = os.path.dirname(tempfile.name)
+        with tempfile.NamedTemporaryFile() as tmpfile:
+            template_name = tmpfile.name
+            tempdir = os.path.dirname(tmpfile.name)
             template_path = os.path.join(tempdir, template_name)
             os.chmod(template_path, 0o0222)
             with override_settings(TEMPLATES=[{
@@ -170,7 +170,7 @@ class DebugViewTests(TestCase):
     def test_template_loader_postmortem_notafile(self):
         """Tests for not being a file"""
         try:
-            template_path = mkdtemp()
+            template_path = tempfile.mkdtemp()
             template_name = os.path.basename(template_path)
             tempdir = os.path.dirname(template_path)
             with override_settings(TEMPLATES=[{
@@ -295,7 +295,7 @@ class ExceptionReporterTests(TestCase):
         reporter = ExceptionReporter(None, None, None, None)
 
         for newline in ['\n', '\r\n', '\r']:
-            fd, filename = mkstemp(text=False)
+            fd, filename = tempfile.mkstemp(text=False)
             os.write(fd, force_bytes(newline.join(LINES) + newline))
             os.close(fd)