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metadata: minor optimization: call fieldtype() once per loop

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I profiled this with timeit and a dict with 1000000000 items, and this is
the time difference:

with_equals:		0.8466835720173549
with_is:		0.8536969239939936
with_old:		1.4458542719949037

I also compared using `==` and `is`, and `==` was slightly faster.
This commit is contained in:
Hans-Christoph Steiner 2023-04-21 10:52:20 +02:00
parent 9a9705a667
commit f871df502d
1 changed files with 10 additions and 9 deletions
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19
fdroidserver/metadata.py
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@ -800,15 +800,16 @@ def post_parse_yaml_metadata(yamldata):
"""
for k, v in yamldata.items():
if fieldtype(k) == TYPE_LIST:
_fieldtype = fieldtype(k)
if _fieldtype == TYPE_LIST:
if isinstance(v, str):
yamldata[k] = [v]
elif v:
yamldata[k] = [str(i) for i in v]
elif fieldtype(k) == TYPE_INT:
elif _fieldtype == TYPE_INT:
if v:
yamldata[k] = int(v)
elif fieldtype(k) == TYPE_STRING:
elif _fieldtype == TYPE_STRING:
if v or v == 0:
yamldata[k] = _normalize_type_string(v)
else:
@ -822,10 +823,10 @@ def post_parse_yaml_metadata(yamldata):
continue
_flagtype = flagtype(k)
if _flagtype is TYPE_STRING:
if _flagtype == TYPE_STRING:
if v or v == 0:
build[k] = _normalize_type_string(v)
elif _flagtype is TYPE_INT:
elif _flagtype == TYPE_INT:
build[k] = v
# versionCode must be int
if not isinstance(v, int):
@ -865,16 +866,16 @@ def write_yaml(mf, app):
"""
def _field_to_yaml(typ, value):
"""Convert data to YAML 1.2 format that keeps the right TYPE_*."""
if typ is TYPE_STRING:
if typ == TYPE_STRING:
return str(value)
elif typ is TYPE_INT:
elif typ == TYPE_INT:
return int(value)
elif typ is TYPE_MULTILINE:
elif typ == TYPE_MULTILINE:
if '\n' in value:
return ruamel.yaml.scalarstring.preserve_literal(str(value))
else:
return str(value)
elif typ is TYPE_SCRIPT:
elif typ == TYPE_SCRIPT:
if type(value) == list:
if len(value) == 1:
return value[0]