Fix the regular expression escapes for more recent python versions. T…

…he strings should be raw strings eg, "((\w+)://)(.*)" -> r'((\w+)://)(.*)', otherwise the \w will be treated as an excaped unicode character.

scabha/basetypes.py

@@ -70,7 +70,7 @@ def parse(value: str, expand_user=True):
 
         If expand_user is True, ~ in (file-protocol) paths will be expanded.
         """
-        match = re.fullmatch("((\w+)://)(.*)", value)
+        match = re.fullmatch(r'((\w+)://)(.*)', value)
         if not match:
             protocol, path, remote = "file", value, False
         else:

scabha/cargo.py

@@ -524,7 +524,7 @@ def rich_help(self, tree, max_category=ParameterCategory.Optional):
                         attrs.append(f"choices: {', '.join(schema.choices)}")
                     info = []
                     schema.info and info.append(rich.markup.escape(schema.info))
-                    attrs and info.append(f"[dim]\[{rich.markup.escape(', '.join(attrs))}][/dim]")
+                    attrs and info.append(f"[dim]\\[{rich.markup.escape(', '.join(attrs))}][/dim]")
                     table.add_row(f"[bold]{name}[/bold]",
                                 f"[dim]{rich.markup.escape(str(schema.dtype))}[/dim]",
                                 " ".join(info))

scabha/configuratt/resolvers.py

@@ -218,7 +218,7 @@ def load_include_files(keyword):
                         if not incl:
                             raise ConfigurattError(f"{errloc}: empty {keyword} specifier")
                         # check for [flags] at end of specifier
-                        match = re.match("^(.*)\[(.*)\]$", incl)
+                        match = re.match(r'^(.*)\[(.*)\]$', incl)
                         if match:
                             incl = match.group(1)
                             flags = set([x.strip().lower() for x in match.group(2).split(",")])

stimela/backends/kube/__init__.py

@@ -195,7 +195,7 @@ class DebugOptions(object):
         # if >0, events will be collected and reported
         log_events:  bool = False
         # format string for reporting kubernetes events, this can include rich markup
-        event_format:  str = "=NOSUBST('\[k8s event type: {event.type}, reason: {event.reason}] {event.message}')"
+        event_format:  str = "=NOSUBST('\\[k8s event type: {event.type}, reason: {event.reason}] {event.message}')"
         event_colors:  Dict[str, str] = DictDefault(
                                 warning="blue", error="yellow", default="grey50")
 

stimela/commands/run.py

@@ -46,7 +46,7 @@ def resolve_recipe_file(filename: str):
 
     # check for (location)filename.yml or (location)/filename.yml style
     match1 = re.fullmatch("^\\((.+)\\)/?(.+)$", filename)
-    match2 = re.fullmatch("^([\w.]+)::(.+)$", filename)
+    match2 = re.fullmatch(r"^([\w.]+)::(.+)$", filename)
     if match1 or match2:
         modulename, fname = (match1 or match2).groups()
         try:
@@ -84,7 +84,7 @@ def load_recipe_files(filenames: List[str]):
     for filename in filenames:
         # check for (location)filename.yaml or (location)/filename.yaml style
         match1 = re.fullmatch("^\\((.+)\\)/?(.+)$", filename)
-        match2 = re.fullmatch("^([\w.]+)::(.+)$", filename)
+        match2 = re.fullmatch(r"^([\w.]+)::(.+)$", filename)
         if match1 or match2:
             modulename, filename = (match1 or match2).groups()
             try:

stimela/config.py

@@ -272,7 +272,7 @@ def _load(conf, config_file):
         ncpu=psutil.cpu_count(logical=True),
         node=platform.node().split('.', 1)[0],
         hostname=platform.node(), 
-        env={key: value.replace('${', '\${') for key, value in os.environ.items()})
+        env={key: value.replace('${', r'\${') for key, value in os.environ.items()})
     runtime['ncpu-logical'] = psutil.cpu_count(logical=True)
     runtime['ncpu-physical'] = psutil.cpu_count(logical=False)
 

stimela/kitchen/recipe.py

@@ -506,7 +506,7 @@ def _add_alias(self, alias_name: str, alias_target: Union[str, Tuple],
             alias_target = alias_target.replace("$", alias_name.rsplit('.', 1)[-1])
             step_spec, step_param_name = alias_target.split('.', 1)
             # treat label as a "(cabtype)" specifier?
-            if re.match('^\(.+\)$', step_spec):
+            if re.match(r'^\(.+\)$', step_spec):
                 steps = [(label, step) for label, step in self.steps.items() 
                         if (isinstance(step.cargo, Cab) and step.cab == step_spec[1:-1]) or
                             (isinstance(step.cargo, Recipe) and step.recipe == step_spec[1:-1])]

stimela/kitchen/wranglers.py

@@ -204,7 +204,7 @@ def __init__(self, regex: re.Pattern, spec: str, name: Optional[str], group: str
         self.name = name or group
         if group in regex.groupindex:
             self.gid = group
-        elif re.fullmatch('\d+', group):
+        elif re.fullmatch(r'\d+', group):
             gid = int(group)
             if gid > regex.groups:
                 raise CabValidationError(f"wrangler action '{spec}' for '{regex.pattern}': {gid} is not a valid ()-group")