update_bugs_by_version: Use pathlib

Author: cameel

scripts/update_bugs_by_version.py

@@ -6,20 +6,20 @@
 # This makes it possible to use this script as part of CI to check
 # that the list is up to date.
 
-import os
 import json
 import re
 import sys
+from pathlib import Path
 
 def comp(version_string):
     return [int(c) for c in version_string.split('.')]
 
-path = os.path.dirname(os.path.realpath(__file__))
-with open(path + '/../docs/bugs.json', encoding='utf8') as bugsFile:
-    bugs = json.load(bugsFile)
+root_path = Path(__file__).resolve().parent.parent
+
+bugs = json.loads((root_path / 'docs/bugs.json').read_text(encoding='utf8'))
 
 versions = {}
-with open(path + '/../Changelog.md', encoding='utf8') as changelog:
+with (root_path / 'Changelog.md').open(encoding='utf8') as changelog:
     for line in changelog:
         m = re.search(r'^### (\S+) \((\d+-\d+-\d+)\)$', line)
         if m:
@@ -36,8 +36,6 @@ def comp(version_string):
         value['bugs'] += [bug['name']]
 
 new_contents = json.dumps(versions, sort_keys=True, indent=4, separators=(',', ': '))
-with open(path + '/../docs/bugs_by_version.json', 'r', encoding='utf8') as bugs_by_version:
-    old_contents = bugs_by_version.read()
-with open(path + '/../docs/bugs_by_version.json', 'w', encoding='utf8') as bugs_by_version:
-    bugs_by_version.write(new_contents)
+old_contents = (root_path / 'docs/bugs_by_version.json').read_text(encoding='utf8')
+(root_path / 'docs/bugs_by_version.json').write_text(new_contents, encoding='utf8')
 sys.exit(old_contents != new_contents)