pythonlib: Fix ResourceWarning in libgrass_interface_generator/ctypesgen/version.py

python/libgrass_interface_generator/ctypesgen/version.py

@@ -3,12 +3,13 @@
 from subprocess import Popen, PIPE
 import os
 from os import path
+from pathlib import Path
 
 THIS_DIR = path.dirname(__file__)
 VERSION_FILE = path.join(THIS_DIR, "VERSION")
 DEFAULT_PREFIX = "ctypesgen"
 
-__all__ = ["VERSION", "version_tuple", "version", "compatible"]
+__all__ = ["VERSION", "compatible", "version", "version_tuple"]
 
 
 def version_tuple(v):
@@ -23,17 +24,16 @@
 
 
 def read_file_version():
- f = open(VERSION_FILE)
- v = f.readline()
- f.close()
+ with open(VERSION_FILE) as f:
+ v = f.readline()
  return v.strip()
 
 
 def version():
  try:
  args = {"cwd": THIS_DIR}
- devnull = open(os.devnull, "w")
- p = Popen(["git", "describe"], stdout=PIPE, stderr=devnull, **args)
+ with open(os.devnull, "w") as devnull:
+  p = Popen(["git", "describe"], stdout=PIPE, stderr=devnull, **args)
  out, err = p.communicate()
  if p.returncode:
  raise RuntimeError("no version defined?")
@@ -48,7 +48,8 @@
 
 
 def version_number():
- return version().partition("-")[-1]
+ v = version()
+ return v.partition("-")[-1]
 
 
 def compatible(v0, v1):
@@ -60,9 +61,7 @@
 def write_version_file(v=None):
  if v is None:
  v = version()
- f = open(VERSION_FILE, "w")
- f.write(v)
- f.close()
+ Path(VERSION_FILE).write_text(v)
 
 
 VERSION = version()