Backport PR pandas-dev#50117: Alternate Ubuntu CI fix

Author: WillAyd

.github/workflows/32-bit-linux.yml

@@ -17,7 +17,7 @@ permissions:
 
 jobs:
   pytest:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3

.github/workflows/assign.yml

@@ -11,7 +11,7 @@ jobs:
     permissions:
       issues: write
       pull-requests: write
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - if: github.event.comment.body == 'take'
       run: |

.github/workflows/asv-bot.yml

@@ -21,7 +21,7 @@ jobs:
     name: "Run benchmarks"
     # TODO: Support more benchmarking options later, against different branches, against self, etc
     if: startsWith(github.event.comment.body, '@github-actions benchmark')
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     defaults:
       run:
         shell: bash -el {0}

.github/workflows/autoupdate-pre-commit-config.yml

@@ -15,7 +15,7 @@ jobs:
       pull-requests: write  # for technote-space/create-pr-action to create a PR
     if: github.repository_owner == 'pandas-dev'
     name: Autoupdate pre-commit config
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Set up Python
         uses: actions/setup-python@v4

.github/workflows/code-checks.yml

@@ -20,7 +20,7 @@ permissions:
 jobs:
   pre_commit:
     name: pre-commit
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
       group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-pre-commit
@@ -39,7 +39,7 @@ jobs:
 
   typing_and_docstring_validation:
     name: Docstring and typing validation
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     defaults:
       run:
         shell: bash -el {0}
@@ -98,7 +98,7 @@ jobs:
 
   asv-benchmarks:
     name: ASV Benchmarks
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     defaults:
       run:
         shell: bash -el {0}
@@ -129,7 +129,7 @@ jobs:
 
   build_docker_dev_environment:
     name: Build Docker Dev Environment
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     defaults:
       run:
         shell: bash -el {0}
@@ -156,7 +156,7 @@ jobs:
 
   requirements-dev-text-installable:
     name: Test install requirements-dev.txt
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7

.github/workflows/codeql.yml

@@ -10,7 +10,7 @@ concurrency:
 
 jobs:
   analyze:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     permissions:
       actions: read
       contents: read

.github/workflows/docbuild-and-upload.yml

@@ -22,7 +22,7 @@ permissions:
 jobs:
   web_and_docs:
     name: Doc Build and Upload
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7

.github/workflows/python-dev.yml

@@ -49,7 +49,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, macOS-latest, windows-latest]
+        os: [ubuntu-22.04, macOS-latest, windows-latest]
 
     name: actions-311-dev
     timeout-minutes: 120

.github/workflows/sdist.yml

@@ -19,7 +19,7 @@ permissions:
 jobs:
   build:
     if: ${{ github.event.label.name == 'Build' || contains(github.event.pull_request.labels.*.name, 'Build') || github.event_name == 'push'}}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     timeout-minutes: 60
     defaults:
       run:

.github/workflows/stale-pr.yml

@@ -11,7 +11,7 @@ jobs:
   stale:
     permissions:
       pull-requests: write
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
     - uses: actions/stale@v4
       with:

.github/workflows/ubuntu.yml

@@ -20,7 +20,7 @@ permissions:
 
 jobs:
   pytest:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     defaults:
       run:
         shell: bash -el {0}

pandas/_libs/tslibs/offsets.pyx

@@ -4134,7 +4134,9 @@ def shift_months(
 
         cnp.broadcast mi = cnp.PyArray_MultiIterNew2(out, dtindex)
 
-    if day_opt not in [None, "start", "end", "business_start", "business_end"]:
+    if day_opt is not None and day_opt not in {
+            "start", "end", "business_start", "business_end"
+    }:
         raise ValueError("day must be None, 'start', 'end', "
                          "'business_start', or 'business_end'")
 

pandas/_libs/tslibs/parsing.pyx

@@ -12,7 +12,6 @@ from cpython.datetime cimport (
     datetime,
     datetime_new,
     import_datetime,
-    tzinfo,
 )
 from cpython.object cimport PyObject_Str
 from cython cimport Py_ssize_t
@@ -44,7 +43,6 @@ from dateutil.relativedelta import relativedelta
 from dateutil.tz import (
     tzlocal as _dateutil_tzlocal,
     tzoffset,
-    tzstr as _dateutil_tzstr,
     tzutc as _dateutil_tzutc,
 )
 
@@ -441,7 +439,7 @@ cdef parse_datetime_string_with_reso(
     try:
         parsed, reso = dateutil_parse(date_string, _DEFAULT_DATETIME,
                                       dayfirst=dayfirst, yearfirst=yearfirst,
-                                      ignoretz=False, tzinfos=None)
+                                      ignoretz=False)
     except (ValueError, OverflowError) as err:
         # TODO: allow raise of errors within instead
         raise DateParseError(err)
@@ -633,7 +631,6 @@ cdef dateutil_parse(
     str timestr,
     object default,
     bint ignoretz=False,
-    object tzinfos=None,
     bint dayfirst=False,
     bint yearfirst=False,
 ):
@@ -642,7 +639,7 @@ cdef dateutil_parse(
     cdef:
         str attr
         datetime ret
-        object res, tzdata
+        object res
         object reso = None
         dict repl = {}
 
@@ -671,24 +668,7 @@ cdef dateutil_parse(
     if res.weekday is not None and not res.day:
         ret = ret + relativedelta.relativedelta(weekday=res.weekday)
     if not ignoretz:
-        if callable(tzinfos) or tzinfos and res.tzname in tzinfos:
-            # Note: as of 1.0 this is not reached because
-            #  we never pass tzinfos, see GH#22234
-            if callable(tzinfos):
-                tzdata = tzinfos(res.tzname, res.tzoffset)
-            else:
-                tzdata = tzinfos.get(res.tzname)
-            if isinstance(tzdata, tzinfo):
-                new_tzinfo = tzdata
-            elif isinstance(tzdata, str):
-                new_tzinfo = _dateutil_tzstr(tzdata)
-            elif isinstance(tzdata, int):
-                new_tzinfo = tzoffset(res.tzname, tzdata)
-            else:
-                raise ValueError("offset must be tzinfo subclass, "
-                                 "tz string, or int offset")
-            ret = ret.replace(tzinfo=new_tzinfo)
-        elif res.tzname and res.tzname in time.tzname:
+        if res.tzname and res.tzname in time.tzname:
             ret = ret.replace(tzinfo=_dateutil_tzlocal())
         elif res.tzoffset == 0:
             ret = ret.replace(tzinfo=_dateutil_tzutc())