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feat: build the wrapper lazily #19

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feat: build the wrapper lazily #19

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16 changes: 12 additions & 4 deletions src/pytest_codspeed/_wrapper/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@
from cffi import FFI # type: ignore
from filelock import FileLock

from .. import __version__

if TYPE_CHECKING:
from .wrapper import lib as LibType

Expand All @@ -24,13 +26,19 @@ def _get_ffi():

def get_lib() -> "LibType":
try:
ffi = _get_ffi()
build_lock = FileLock(f"{_wrapper_dir}/build.lock")
with build_lock:
ffi.compile(
target="dist_callgrind_wrapper.*",
tmpdir=_wrapper_dir,
is_target_already_built = any(
target.startswith(f"dist_callgrind_wrapper.{__version__}.")
for target in os.listdir(_wrapper_dir)
)
if not is_target_already_built:
ffi = _get_ffi()
ffi.compile(
target=f"dist_callgrind_wrapper.{__version__}.*",
tmpdir=_wrapper_dir,
)

from .dist_callgrind_wrapper import lib # type: ignore

return lib
Expand Down