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Allow blueprints and groups to be infinitely reusable (#2150)

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* Allow blueprints and groups to be infinitely reusable
This commit is contained in:
Adam Hopkins
2021-06-21 18:41:04 +03:00
committed by GitHub
parent 108a4a99c7
commit 53da4dd091
4 changed files with 92 additions and 58 deletions
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28
sanic/app.py
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@@ -420,7 +420,33 @@ class Sanic(BaseSanic):
"""
if isinstance(blueprint, (list, tuple, BlueprintGroup)):
for item in blueprint:
self.blueprint(item, **options)
params = {**options}
if isinstance(blueprint, BlueprintGroup):
if blueprint.url_prefix:
merge_from = [
options.get("url_prefix", ""),
blueprint.url_prefix,
]
if not isinstance(item, BlueprintGroup):
merge_from.append(item.url_prefix or "")
merged_prefix = "/".join(
u.strip("/") for u in merge_from
).rstrip("/")
params["url_prefix"] = f"/{merged_prefix}"
for _attr in ["version", "strict_slashes"]:
if getattr(item, _attr) is None:
params[_attr] = getattr(
blueprint, _attr
) or options.get(_attr)
if item.version_prefix == "/v":
if blueprint.version_prefix == "/v":
params["version_prefix"] = options.get(
"version_prefix"
)
else:
params["version_prefix"] = blueprint.version_prefix
self.blueprint(item, **params)
return
if blueprint.name in self.blueprints:
assert self.blueprints[blueprint.name] is blueprint, (