Add Python 3.13 and 3.14 checking in build workflow (#623)

* Add Python 3.13 and 3.14 checking in build workflow

Author: dbieber

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         os: ["macos-latest", "ubuntu-latest"]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13.0-rc.2"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14.0-rc.2"]
         include:
           - {os: "ubuntu-22.04", python-version: "3.7"}
 

fire/core.py

@@ -678,8 +678,14 @@ def _CallAndUpdateTrace(component, args, component_trace, treatment='class',
 
   # Call the function.
   if inspectutils.IsCoroutineFunction(fn):
-    loop = asyncio.get_event_loop()
-    component = loop.run_until_complete(fn(*varargs, **kwargs))
+    try:
+      loop = asyncio.get_running_loop()
+    except RuntimeError:
+      # No event loop running, create a new one
+      component = asyncio.run(fn(*varargs, **kwargs))
+    else:
+      # Event loop is already running
+      component = loop.run_until_complete(fn(*varargs, **kwargs))
   else:
     component = fn(*varargs, **kwargs)
 

fire/inspectutils.py

@@ -14,7 +14,6 @@
 
 """Inspection utility functions for Python Fire."""
 
-import asyncio
 import inspect
 import sys
 import types
@@ -345,6 +344,6 @@ def GetClassAttrsDict(component):
 
 def IsCoroutineFunction(fn):
   try:
-    return asyncio.iscoroutinefunction(fn)
+    return inspect.iscoroutinefunction(fn)
   except:  # pylint: disable=bare-except
     return False

fire/parser.py

@@ -19,7 +19,7 @@
 import sys
 
 if sys.version_info[0:2] < (3, 8):
-  _StrNode = ast.Str  # type: ignore  # deprecated but needed for Python < 3.8
+  _StrNode = ast.Str  # type: ignore  # pylint: disable=no-member  # deprecated but needed for Python < 3.8
 else:
   _StrNode = ast.Constant
 

pyproject.toml

@@ -24,6 +24,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Operating System :: OS Independent",
     "Operating System :: POSIX",
     "Operating System :: MacOS",