gnu: Python: Update to 3.7.4.

* gnu/packages/python.scm (python-3.7): Update to 3.7.4.
[source](snippet): Move disabled tests ...
[arguments]<#:make-flags>: ... here.  Enable previously failing tests.
<#:phases>: Add 'set-TZDIR'.
[native-inputs]: Add TZDATA-FOR-TESTS.
* gnu/packages/commencement.scm (python-boot0)[arguments]: Clear <#:make-flags>.
Delete 'set-TZDIR' phase.
* gnu/packages/patches/python-3-fix-tests.patch: Disable two new tests that do
not work in the build container.  Adjust context.

gnu/packages/commencement.scm

@@ -1887,6 +1887,9 @@ (define python-boot0
                      ((#:configure-flags _ ''())
                       `(list "--without-ensurepip"
                              "--without-threads"))
+                     ;; Clear #:make-flags, such that changes to the regular
+                     ;; Python package won't interfere with this one.
+                     ((#:make-flags _ ''()) ''())
                      ((#:phases phases)
                       `(modify-phases ,phases
                          (add-before 'configure 'disable-modules
@@ -1897,7 +1900,8 @@ (define python-boot0
                                ;; Prevent the 'ossaudiodev' extension from being
                                ;; built, since it requires Linux headers.
                                (("'linux', ") ""))
-                             #t))))
+                             #t))
+                         (delete 'set-TZDIR)))
                      ((#:tests? _ #f) #f))))))
     (package-with-bootstrap-guile
      (package-with-explicit-inputs python %boot0-inputs

gnu/packages/patches/python-3-fix-tests.patch

@@ -85,7 +85,7 @@ diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.
 diff --git a/Lib/test/test_asyncio/test_base_events.py b/Lib/test/test_asyncio/test_base_events.py
 --- a/Lib/test/test_asyncio/test_base_events.py
 +++ b/Lib/test/test_asyncio/test_base_events.py
-@@ -1301,6 +1301,8 @@ class BaseEventLoopWithSelectorTests(test_utils.TestCase):
+@@ -1323,6 +1323,8 @@ class BaseEventLoopWithSelectorTests(test_utils.TestCase):
          self._test_create_connection_ip_addr(m_socket, False)
  
      @patch_socket
@@ -128,7 +128,7 @@ diff --git a/Lib/test/test_normalization.py b/Lib/test/test_normalization.py
 diff --git a/Lib/test/test_pathlib.py b/Lib/test/test_pathlib.py
 --- a/Lib/test/test_pathlib.py
 +++ b/Lib/test/test_pathlib.py
-@@ -2130,8 +2130,7 @@ class PosixPathTest(_BasePathTest, unittest.TestCase):
+@@ -2134,8 +2134,7 @@ class PosixPathTest(_BasePathTest, unittest.TestCase):
          self.assertEqual(given, expect)
          self.assertEqual(set(p.rglob("FILEd*")), set())
  
@@ -141,7 +141,7 @@ diff --git a/Lib/test/test_pathlib.py b/Lib/test/test_pathlib.py
 diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
 --- a/Lib/test/test_pdb.py
 +++ b/Lib/test/test_pdb.py
-@@ -1133,11 +1133,11 @@ def test_pdb_issue_20766():
+@@ -1150,11 +1150,11 @@ def test_pdb_issue_20766():
      > <doctest test.test_pdb.test_pdb_issue_20766[0]>(6)test_function()
      -> print('pdb %d: %s' % (i, sess._previous_sigint_handler))
      (Pdb) continue
@@ -158,7 +158,7 @@ diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
 diff --git a/Lib/test/test_regrtest.py b/Lib/test/test_regrtest.py
 --- a/Lib/test/test_regrtest.py
 +++ b/Lib/test/test_regrtest.py
-@@ -764,6 +764,7 @@ class ArgsTestCase(BaseTestCase):
+@@ -762,6 +762,7 @@ class ArgsTestCase(BaseTestCase):
          output = self.run_tests('--fromfile', filename)
          self.check_executed_tests(output, tests)
  
@@ -166,12 +166,12 @@ diff --git a/Lib/test/test_regrtest.py b/Lib/test/test_regrtest.py
      def test_interrupted(self):
          code = TEST_INTERRUPTED
          test = self.create_test('sigint', code=code)
-@@ -781,6 +782,7 @@ class ArgsTestCase(BaseTestCase):
+@@ -779,6 +780,7 @@ class ArgsTestCase(BaseTestCase):
                   % (self.TESTNAME_REGEX, len(tests)))
          self.check_line(output, regex)
  
 +    @unittest.skipIf(True, 'Keyboard interrupts do not work in the Guix build environment.')
-     def test_slow_interrupted(self):
+     def test_slowest_interrupted(self):
          # Issue #25373: test --slowest with an interrupted test
          code = TEST_INTERRUPTED
 diff --git a/Lib/test/test_resource.py b/Lib/test/test_resource.py
@@ -188,7 +188,7 @@ diff --git a/Lib/test/test_resource.py b/Lib/test/test_resource.py
 diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py
 --- a/Lib/test/test_shutil.py
 +++ b/Lib/test/test_shutil.py
-@@ -1135,6 +1135,7 @@ class TestShutil(unittest.TestCase):
+@@ -1143,6 +1143,7 @@ class TestShutil(unittest.TestCase):
          self.assertRaises(ValueError, make_archive, base_name, 'xxx')
  
      @support.requires_zlib
@@ -196,7 +196,7 @@ diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py
      def test_make_archive_owner_group(self):
          # testing make_archive with owner and group, with various combinations
          # this works even if there's not gid/uid support
-@@ -1163,6 +1164,7 @@ class TestShutil(unittest.TestCase):
+@@ -1171,6 +1172,7 @@ class TestShutil(unittest.TestCase):
  
  
      @support.requires_zlib
@@ -269,7 +269,7 @@ diff --git a/Lib/test/test_spwd.py b/Lib/test/test_spwd.py
 diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
 --- a/Lib/test/test_tarfile.py
 +++ b/Lib/test/test_tarfile.py
-@@ -2504,9 +2504,12 @@ def root_is_uid_gid_0():
+@@ -2509,9 +2509,12 @@ def root_is_uid_gid_0():
          import pwd, grp
      except ImportError:
          return False
@@ -285,6 +285,26 @@ diff --git a/Lib/test/test_tarfile.py b/Lib/test/test_tarfile.py
          return False
      return True
  
+diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
+--- a/Lib/test/test_threading.py
++++ b/Lib/test/test_threading.py
+@@ -1249,6 +1249,7 @@ class MiscTestCase(unittest.TestCase):
+ 
+ 
+ class InterruptMainTests(unittest.TestCase):
++    @unittest.skipIf(True, 'Keyboard interrupts do not work in the Guix build container.')
+     def test_interrupt_main_subthread(self):
+         # Calling start_new_thread with a function that executes interrupt_main
+         # should raise KeyboardInterrupt upon completion.
+@@ -1260,6 +1261,8 @@ class InterruptMainTests(unittest.TestCase):
+             t.join()
+         t.join()
+ 
++
++    @unittest.skipIf(True, 'Keyboard interrupts do not work in the Guix build container.')
+     def test_interrupt_main_mainthread(self):
+         # Make sure that if interrupt_main is called in main thread that
+         # KeyboardInterrupt is raised instantly.
 diff --git a/Tools/scripts/run_tests.py b/Tools/scripts/run_tests.py
 --- a/Tools/scripts/run_tests.py
 +++ b/Tools/scripts/run_tests.py

gnu/packages/python.scm

@@ -76,6 +76,7 @@
 (define-module (gnu packages python)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (gnu packages)
+  #:use-module (gnu packages base)
   #:use-module (gnu packages bash)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages dbm)
@@ -324,7 +325,7 @@ (define-public python2-called-python
 (define-public python-3.7
   (package (inherit python-2)
     (name "python")
-    (version "3.7.3")
+    (version "3.7.4")
     (source (origin
               (method url-fetch)
               (uri (string-append "https://www.python.org/ftp/python/"
@@ -335,7 +336,7 @@ (define-public python-3.7
                         "python-3-search-paths.patch"))
               (sha256
                (base32
-                "066ka8csjwkycqpgyv424d8hhqhfd7r6svsp4sfcvkylci0baq6s"))
+                "0gxiv5617zd7dnqm5k9r4q2188lk327nf9jznwq9j6b8p0s92ygv"))
               (modules '((guix build utils)))
               (snippet
                '(begin
@@ -344,33 +345,31 @@ (define-public python-3.7
                   (substitute* "Modules/Setup.dist"
                     ;; Link Expat instead of embedding the bundled one.
                     (("^#pyexpat.*") "pyexpat pyexpat.c -lexpat\n"))
-
-                  (for-each delete-file
-                            '(;; This test may hang and eventually run out of
-                              ;; memory on some systems:
-                              ;; <https://bugs.python.org/issue34587>
-                              "Lib/test/test_socket.py"
-
-                              ;; Delete test that fails on low-memory systems.
-                              "Lib/test/test_mmap.py"
-
-                              ;; These tests fail on AArch64.
-                              "Lib/ctypes/test/test_win32.py"
-                              "Lib/test/test_fcntl.py"
-                              "Lib/test/test_posix.py"))
                   #t))))
     (arguments
      (substitute-keyword-arguments (package-arguments python-2)
        ((#:make-flags _)
         `(list (string-append
                 (format #f "TESTOPTS=-j~d" (parallel-job-count))
-                ;; Exclude the following test, which fails as of 3.7.3 (see:
+                ;; test_mmap fails on low-memory systems.
-                ;; https://bugs.python.org/issue35998).
+                " --exclude test_mmap"
-                ;; Exclude test_email, which fails with glibc 2.29 and later
+                ;; test_socket may hang and eventually run out of memory
-                ;; (see <https://https://bugs.python.org/issue35317>).
+                ;; on some systems: <https://bugs.python.org/issue34587>.
-                " --exclude test_asyncio test_email")))
+                " test_socket"
+                ;; XXX: test_ctypes fails on some platforms due to a problem in
+                ;; libffi 3.2.1: <https://bugs.python.org/issue23249>.
+                ,@(if (string-prefix? "aarch64" (%current-system))
+                      '(" test_ctypes")
+                      '()))))
        ((#:phases phases)
        `(modify-phases ,phases
+          (add-before 'check 'set-TZDIR
+            (lambda* (#:key inputs #:allow-other-keys)
+              ;; test_email requires the Olson time zone database.
+              (setenv "TZDIR"
+                      (string-append (assoc-ref inputs "tzdata")
+                                     "/share/zoneinfo"))
+              #t))
           ;; Unset SOURCE_DATE_EPOCH while running the test-suite and set it
           ;; again afterwards.  See <https://bugs.python.org/issue34022>.
           (add-before 'check 'unset-SOURCE_DATE_EPOCH
@@ -399,6 +398,9 @@ (define-public python-3.7
                               (find-files out "\\.py$")))
                   (list '() '("-O") '("-OO")))
                  #t)))))))
+    (native-inputs
+     `(("tzdata" ,tzdata-for-tests)
+       ,@(package-native-inputs python-2)))
     (native-search-paths
      (list (search-path-specification
             (variable "PYTHONPATH")