support for python 3.12 (#1019)

* add support for python 3.12

python3.12 removed `readfp()`, recommended to use `read_file()` instead

* Add versions 3.10 through 3.12 to test matrix

* CI: fix

- avoid decimal rounding
- pull back 3.11 and 3.12 since we still have some issues to work
  through

---------

Co-authored-by: ryneeverett <ryneeverett@gmail.com>

.github/workflows/bugwarrior.yml

@@ -10,7 +10,7 @@ jobs:
     timeout-minutes: 5
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
         jira-version: [1.0.10, 2.0.0]
     steps:
       - name: Checkout code
@@ -50,7 +50,7 @@ jobs:
     timeout-minutes: 60
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
         jira-version: [1.0.10, 2.0.0]
         architecture: [aarch64, ppc64le]
 

bugwarrior/config/load.py

@@ -70,7 +70,8 @@ def parse_file(configpath: str) -> dict:
             config = tomllib.load(f)
     else:
         rawconfig = BugwarriorConfigParser()
-        rawconfig.readfp(codecs.open(configpath, "r", "utf-8",))
+        with codecs.open(configpath, "r", "utf-8",) as buff:
+            rawconfig.read_file(buff)
         config = {}
         for section in rawconfig.sections():
             if section in ['hooks', 'notifications']: