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Fix snakemake rule existence checks #1084

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merged 1 commit into from
Sep 20, 2023
Merged

Fix snakemake rule existence checks #1084

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10 changes: 9 additions & 1 deletion workflow/snakemake_rules/main_workflow.smk
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Original file line number Diff line number Diff line change
Expand Up @@ -1394,6 +1394,14 @@ rule build_description:
with open(output.description, "w", encoding = "utf-8") as o:
o.write(template.safe_substitute(context))

def rule_exists(name):
# Some versions of Snakemake throw a WorkflowError even with the
# three-arg getattr(), so catch any error and assume non-existence.
try:
return bool(getattr(rules, name, None))
except:
return False

def get_auspice_config(w):
"""
Auspice configs are chosen via this heirarchy:
Expand All @@ -1403,7 +1411,7 @@ def get_auspice_config(w):
"""
if "auspice_config" in config["builds"].get(w.build_name, {}):
return config["builds"][w.build_name]["auspice_config"]
if "auspice_config" in rules.__dict__:
if rule_exists("auspice_config"):
return rules.auspice_config.output
return config["files"]["auspice_config"]

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