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Added async wrappers to the decorators to work with async functions #250

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Added async wrappers to the decorators to work with async functions #250

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38 changes: 28 additions & 10 deletions memory_profiler.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
import traceback
import warnings
import contextlib
import asyncio

if sys.platform == "win32":
# any value except signal.CTRL_C_EVENT and signal.CTRL_BREAK_EVENT
Expand Down Expand Up @@ -683,14 +684,21 @@ def add_function(self, func):
def wrap_function(self, func):
""" Wrap a function to profile it.
"""

if asyncio.iscoroutinefunction(func):
async def f(*args, **kwds):
self.enable_by_count()
try:
return await func(*args, **kwds)
finally:
self.disable_by_count()
return f

def f(*args, **kwds):
self.enable_by_count()
try:
return func(*args, **kwds)
finally:
self.disable_by_count()

return f

def runctx(self, cmd, globals, locals):
Expand Down Expand Up @@ -1098,14 +1106,24 @@ def profile(func=None, stream=None, precision=1, backend='psutil'):
if not tracemalloc.is_tracing():
tracemalloc.start()
if func is not None:
@wraps(func)
def wrapper(*args, **kwargs):
prof = LineProfiler(backend=backend)
val = prof(func)(*args, **kwargs)
show_results(prof, stream=stream, precision=precision)
return val

return wrapper
if not asyncio.iscoroutinefunction(func):
@wraps(func)
def wrapper(*args, **kwargs):
prof = LineProfiler(backend=backend)
val = prof(func)(*args, **kwargs)
show_results(prof, stream=stream, precision=precision)

return val
return wrapper
else:
@wraps(func)
async def wrapper(*args, **kwargs):
prof = LineProfiler(backend=backend)
val = await prof(func)(*args, **kwargs)
show_results(prof, stream=stream, precision=precision)

return val
return wrapper
else:
def inner_wrapper(f):
return profile(f, stream=stream, precision=precision,
Expand Down