Bump ruff to 0.8, placate it wrt raw regex strings

course/content.py

@@ -861,10 +861,10 @@ def is_repo_file_accessible_as(
     re.MULTILINE | re.DOTALL)
 YAML_BLOCK_START_SCALAR_RE = re.compile(
     r"(:\s*[|>])"
-    "(J?)"
-    "((?:[0-9][-+]?|[-+][0-9]?)?)"
+    r"(J?)"
+    r"((?:[0-9][-+]?|[-+][0-9]?)?)"
     r"(?:\s*\#.*)?"
-    "$")
+    r"$")
 
 IN_BLOCK_END_RAW_RE = re.compile(r"(.*)({%-?\s*endraw\s*-?%})(.*)")
 GROUP_COMMENT_START = re.compile(r"^\s*#\s*\{\{\{")
@@ -1578,7 +1578,7 @@ def apply(self, dtm: datetime.datetime) -> datetime.datetime:
 
 
 PLUS_DELTA_RE = re.compile(r"^(.*)\s*([+-])\s*([0-9]+)\s+"
-    "(weeks?|days?|hours?|minutes?)$")
+    r"(weeks?|days?|hours?|minutes?)$")
 
 
 class PlusDeltaPostprocessor(DatespecPostprocessor):

course/grades.py

@@ -904,7 +904,7 @@ def view_single_grade(pctx: CoursePageContext, participation_id: str,
 
     request = pctx.request
     if pctx.request.method == "POST":
-        action_re = re.compile("^([a-z]+)_([0-9]+)$")
+        action_re = re.compile(r"^([a-z]+)_([0-9]+)$")
         action_match = None
         for key in request.POST.keys():
             action_match = action_re.match(key)

course/page/inline.py

@@ -531,7 +531,7 @@ def get_form_field(self, page_context, force_required=False):
 
 WRAPPED_NAME_RE = re.compile(r"[^{](?=(\[\[[^\[\]]*\]\]))[^}]")
 NAME_RE = re.compile(r"[^{](?=\[\[([^\[\]]*)\]\])[^}]")
-NAME_VALIDATE_RE = re.compile("^[a-zA-Z]+[a-zA-Z0-9_]{0,}$")
+NAME_VALIDATE_RE = re.compile(r"^[a-zA-Z]+[a-zA-Z0-9_]{0,}$")
 
 
 class InlineMultiQuestion(

course/utils.py

@@ -81,7 +81,7 @@
 import re
 
 
-CODE_CELL_DIV_ATTRS_RE = re.compile('(<div class="[^>]*code_cell[^>"]*")(>)')
+CODE_CELL_DIV_ATTRS_RE = re.compile(r'(<div class="[^>]*code_cell[^>"]*")(>)')
 
 
 def getattr_with_fallback(

pyproject.toml

@@ -125,7 +125,7 @@ urllib3 = "^1.26.19,<2"
 
 [tool.poetry.dev-dependencies]
 factory_boy = "^3.3.1"
-ruff = "^0.7.4"
+ruff = "^0.8"
 
 django-stubs = { version ="5.1.*", extras = ["compatible-mypy"] }