swap between getargspec and getfullargspec due to getargspec deprecation

src/rez/cli/_bez.py

@@ -55,9 +55,13 @@ def run():
                   targets=%(targets)s,
                   build_args=%(build_args)s)
 
-    import inspect
-    args = inspect.getargspec(buildfunc).args
-    kwargs = dict((k, v) for k, v in kwargs.iteritems() if k in args)
+    try:
+        from inspect import getfullargspec as getargspec
+    except ImportError:
+        from inspect import getargspec
+        pass
+    args = getargspec(buildfunc).args
+    kwargs = {k: v for k, v in kwargs.items() if k in args}
 
     buildfunc(**kwargs)
 

src/rez/cli/forward.py

@@ -18,8 +18,11 @@ def command(opts, parser, extra_arg_groups=None):
     from rez.exceptions import RezSystemError
     from rez.vendor import yaml
     from rez.vendor.yaml.error import YAMLError
-    import inspect
     import os.path
+    if six.PY2:
+        from inspect import getargspec
+    else:
+        from inspect import getfullargspec as getargspec
 
     # we don't usually want warnings printed in a wrapped tool. But in cases
     # where we do (for debugging) we leave a backdoor - setting $REZ_QUIET=0
@@ -57,7 +60,7 @@ def command(opts, parser, extra_arg_groups=None):
         module = plugin_manager.get_plugin_module(plugin_type, plugin_name)
 
     target_func = getattr(module, func_name)
-    func_args = inspect.getargspec(target_func).args
+    func_args = getargspec(target_func).args
     if "_script" in func_args:
         kwargs["_script"] = yaml_file
     if "_cli_args" in func_args:

src/rez/serialise.py

@@ -2,7 +2,7 @@
 Read and write data from file. File caching via a memcached server is supported.
 """
 from contextlib import contextmanager
-from inspect import isfunction, ismodule, getargspec
+from inspect import isfunction, ismodule
 import sys
 import stat
 import os
@@ -20,9 +20,14 @@
 from rez.config import config
 from rez.vendor.atomicwrites import atomic_write
 from rez.vendor.enum import Enum
+from rez.vendor.six import six
 from rez.vendor.six.six.moves import StringIO
 from rez.vendor import yaml
 
+if six.PY2:
+    from inspect import getargspec
+else:
+    from inspect import getfullargspec as getargspec
 
 tmpdir_manager = TempDirs(config.tmpdir, prefix="rez_write_")
 debug_print = config.debug_printer("file_loads")

src/rez/utils/memcached.py

@@ -5,11 +5,16 @@
 from threading import local
 from contextlib import contextmanager
 from functools import update_wrapper
-from inspect import getargspec, isgeneratorfunction
+from inspect import isgeneratorfunction
 from hashlib import md5
 from uuid import uuid4
 from rez.vendor.six import six
 
+if six.PY2:
+    from inspect import getargspec
+else:
+    from inspect import getfullargspec as getargspec
+
 basestring = six.string_types[0]