sagews-fix-python-3.12

Author: haraldschilly

src/smc_sagews/setup.py

@@ -7,7 +7,7 @@ def readme():
 
 setup(
     name='smc_sagews',
-    version='1.1',
+    version='1.2',
     description='CoCalc Worksheets',
     long_description=readme(),
     url='https://github.com/sagemathinc/cocalc',
@@ -28,6 +28,7 @@ def readme():
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.12',
         'Topic :: Mathematics :: Server',
     ],
     keywords='server mathematics cloud',

src/smc_sagews/smc_sagews/sage_salvus.py

@@ -17,7 +17,6 @@
 
 # set backend of matplot lib before any other module is loaded
 import matplotlib
-import imp
 matplotlib.use('Agg')
 
 import copy, os, sys, types, re
@@ -2569,6 +2568,12 @@ def f():
             # Run some commands to tell Sage that its
             # pid has changed.
             import sage.misc.misc
+
+            # since python 3.12, there is no imp
+            try:
+                import imp
+            except:
+                import importlib as imp
             imp.reload(sage.misc.misc)
 
             # The pexpect interfaces (and objects defined in them) are
@@ -3369,7 +3374,7 @@ def var0(*args, **kwds):
 
 
 def var(*args, **kwds):
-    """
+    r"""
     Create symbolic variables and inject them into the global namespace.
 
     NOTE: In CoCalc, you can use var as a line decorator::

src/smc_sagews/smc_sagews/sage_server.py

@@ -63,9 +63,15 @@ def unicode8(s):
 def log(*args):
     try:
         debug_log = open(LOGFILE, 'a')
-        mesg = "%s (%s): %s\n" % (PID, datetime.utcnow().strftime(
-            '%Y-%m-%d %H:%M:%S.%f')[:-3], ' '.join([unicode8(x)
-                                                    for x in args]))
+        from sys import version_info
+        if version_info >= (3, 12):
+            from datetime import UTC
+            d = datetime.now(UTC)
+        else:
+            d = datetime.utcnow()
+        d_txt = d.strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]
+        args_str = ' '.join([unicode8(x) for x in args])
+        mesg = "%s (%s): %s\n" % (PID, d_txt, args_str)
         debug_log.write(mesg)
         debug_log.flush()
     except Exception as err: