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_benchmark_metadata.py
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257 lines (218 loc) · 7.04 KB
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__all__ = [
"load_metadata",
]
import os.path
from . import _benchmark, _pyproject_toml, _utils
METADATA = "pyproject.toml"
DEPENDENCIES = "requirements.in"
REQUIREMENTS = "requirements.txt"
DATA = "data"
RUN = "run_benchmark.py"
PEP_621_FIELDS = {
"name": None,
"version": None,
"requires-python": "python",
"dependencies": None,
#'optional-dependencies': '',
#'urls': '',
}
TOOL_FIELDS = {
#'inherits': None,
"metafile": None,
"name": None,
"tags": None,
"datadir": None,
"runscript": None,
"extra_opts": None,
}
# class BenchmarkMetadata:
# spec
# base
# metafile
# tags
# python
# dependencies # (from requirements.in)
# requirements # (from lock file or requirements.txt)
# datadir
# runscript
# extra_opts
def load_metadata(metafile, defaults=None):
if isinstance(metafile, str):
name, rootdir = _name_from_filename(metafile)
data, filename = _pyproject_toml.load_pyproject_toml(
metafile,
name=name or None,
requirefiles=False,
)
else:
text = metafile.read()
filename = metafile.name
name, rootdir = _name_from_filename(filename)
data = _pyproject_toml.parse_pyproject_toml(
text,
rootdir,
name,
requirefiles=False,
)
project = data.get("project")
tool = data.get("tool", {}).get("pyperformance", {})
defaults = _ensure_defaults(defaults, rootdir)
base, basefile = _resolve_base(
tool.get("inherits"), # XXX Pop it?
project,
filename,
defaults,
)
top = _resolve(project or {}, tool, filename)
merged = _merge_metadata(top, base, defaults)
if not merged.get("name"):
raise ValueError("missing benchmark name")
if not merged.get("version"):
print("====================")
from pprint import pprint
print("top:")
pprint(top)
print("base:")
pprint(base)
print("defaults:")
pprint(defaults)
print("merged:")
pprint(merged)
print("====================")
raise ValueError("missing benchmark version")
metafile = merged.pop("metafile")
merged["spec"] = _benchmark.BenchmarkSpec(
merged.pop("name"),
merged.pop("version"),
# XXX Should we leave this (origin) blank?
metafile,
)
if basefile:
merged["base"] = basefile
return merged, filename
#######################################
# internal implementation
def _name_from_filename(metafile):
rootdir, basename = os.path.split(metafile)
if basename == "pyproject.toml":
dirname = os.path.dirname(rootdir)
name = dirname[3:] if dirname.startswith("bm_") else None
elif basename.startswith("bm_") and basename.endswith(".toml"):
name = basename[3:-5]
else:
name = None
return name, rootdir
def _ensure_defaults(defaults, rootdir):
if not defaults:
defaults = {}
if not defaults.get("datadir"):
datadir = os.path.join(rootdir, DATA)
if os.path.isdir(datadir):
defaults["datadir"] = datadir
if not defaults.get("runscript"):
runscript = os.path.join(rootdir, RUN)
if os.path.isfile(runscript):
defaults["runscript"] = runscript
return defaults
def _resolve_base(metabase, project, filename, defaults, *, minimalwithbase=False):
rootdir, basename = os.path.split(filename)
if not metabase:
if basename == "pyproject.toml":
return None, None
elif not (basename.startswith("bm_") and basename.endswith(".toml")):
return None, None
elif not os.path.basename(rootdir).startswith("bm_"):
return None, None
else:
metabase = os.path.join(rootdir, "pyproject.toml")
if not os.path.isfile(metabase):
return None, None
if project is not None and minimalwithbase:
unexpected = set(project) - {"name", "dynamic", "dependencies"}
if unexpected:
raise ValueError(
f'[project] should be minimal if "inherits" is provided, got extra {sorted(unexpected)}'
)
if metabase == "..":
metabase = os.path.join(
os.path.dirname(rootdir),
"base.toml",
)
if metabase == filename:
raise Exception("circular")
if not os.path.isabs(metabase):
metabase = os.path.join(rootdir, metabase)
if metabase == filename:
raise Exception("circular")
defaults = dict(defaults, name="_base_")
return load_metadata(metabase, defaults)
def _resolve(project, tool, filename):
resolved = {
"metafile": filename,
}
rootdir = os.path.dirname(filename)
for field, target in TOOL_FIELDS.items():
if target is None:
target = field
if not resolved.get(target):
value = tool.get(field)
if value is not None:
resolved[target] = _resolve_value(field, value, rootdir)
for field, target in PEP_621_FIELDS.items():
if target is None:
target = field
if field == "url":
raise NotImplementedError
elif not resolved.get(target):
value = project.get(field)
if value is not None:
resolved[target] = value
return resolved
def _resolve_value(field, value, rootdir):
if field == "name":
_utils.check_name(value, allownumeric=True)
elif field == "metafile":
assert False, "unreachable"
elif field == "tags":
if isinstance(value, str):
value = value.replace(",", " ").split()
for tag in value:
_utils.check_name(tag)
if tag == "all":
raise ValueError("Invalid tag 'all'")
elif tag == "":
raise ValueError("Invalid empty tag")
elif field == "datadir":
if not os.path.isabs(value):
value = os.path.join(rootdir, value)
_utils.check_dir(value)
elif field == "runscript":
if not os.path.isabs(value):
value = os.path.join(rootdir, value)
_utils.check_file(value)
elif field == "extra_opts":
if isinstance(value, str):
raise TypeError(f"extra_opts should be a list of strings, got {value!r}")
for opt in value:
if not opt or not isinstance(opt, str):
raise TypeError(
f"extra_opts should be a list of strings, got {value!r}"
)
else:
raise NotImplementedError(field)
return value
def _merge_metadata(*tiers):
merged = {}
for data in tiers:
if not data:
continue
for field, value in data.items():
if field == "spec":
field = "version"
value = value.version
if merged.get(field):
# XXX Merge containers?
continue
if value or isinstance(value, int):
merged[field] = value
return merged