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View Code? Open in Web Editor NEWIPython magic command to profile and view your python code as a heat map.
License: MIT License
IPython magic command to profile and view your python code as a heat map.
License: MIT License
Trying this out, I got a TypeError on first try.
specs:
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
<ipython-input-2-91c61b03397a> in <module>()
----> 1 get_ipython().run_cell_magic('heat', '', 'def test():\n 50 * 50\n 1 + 2 \n 5 / 4')
C:\Users\User\Anaconda3\envs\poker\lib\site-packages\IPython\core\interactiveshell.py in run_cell_magic(self, magic_name, line, cell)
2113 magic_arg_s = self.var_expand(line, stack_depth)
2114 with self.builtin_trap:
-> 2115 result = fn(magic_arg_s, cell)
2116 return result
2117
<decorator-gen-126> in heat(self, line, cell)
C:\Users\User\Anaconda3\envs\poker\lib\site-packages\IPython\core\magic.py in <lambda>(f, *a, **k)
186 # but it's overkill for just that one bit of state.
187 def magic_deco(arg):
--> 188 call = lambda f, *a, **k: f(*a, **k)
189
190 if callable(arg):
C:\Users\User\Anaconda3\envs\poker\lib\site-packages\heat.py in heat(self, line, cell)
49 tmp_file = 'ipython_cell_input.py'
50 with open(tmp_file, 'wb') as f:
---> 51 f.write(cell)
52
53 pyheat = PyHeat(tmp_file)
TypeError: a bytes-like object is required, not 'str'
Usually, one can access from the current notebook cell variables from previous cells (for instance, we define a
in cell 2 and access it in 3). However, I can not get that to work when using heat (example in cell 4), which is sometimes annoying (especially when creating such variable can take up some time).
---------------------------------------------------------------------------
NameError Traceback (most recent call last)
<ipython-input-4-6d5dc00d7528> in <module>()
----> 1 get_ipython().run_cell_magic('heat', '', 'print(a)')
/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/IPython/core/interactiveshell.py in run_cell_magic(self, magic_name, line, cell)
2085 magic_arg_s = self.var_expand(line, stack_depth)
2086 with self.builtin_trap:
-> 2087 result = fn(magic_arg_s, cell)
2088 return result
2089
<decorator-gen-124> in heat(self, line, cell)
/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/IPython/core/magic.py in <lambda>(f, *a, **k)
186 # but it's overkill for just that one bit of state.
187 def magic_deco(arg):
--> 188 call = lambda f, *a, **k: f(*a, **k)
189
190 if callable(arg):
/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/heat.py in heat(self, line, cell)
61
62 pyheat = PyHeat(tmp_file)
---> 63 pyheat.create_heatmap()
64 pyheat.show_heatmap(output_file=filename)
65 pyheat.close_heatmap()
/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/pyheat/pyheat.py in create_heatmap(self)
44 """Method to define the heatmap using profile data."""
45 # Profile the file.
---> 46 self.__profile_file()
47 # Map profile stats to heatmap data.
48 self.__fetch_heatmap_data_from_profile()
/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/pyheat/pyheat.py in __profile_file(self)
71 self.line_profiler = pprofile.Profile()
72 self.line_profiler.runfile(
---> 73 open(self.pyfile.path, 'r'), {}, self.pyfile.path)
74
75 def __get_line_profile_data(self):
/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/pprofile.py in runfile(self, fd, argv, fd_name, compile_flags, dont_inherit, globals)
606 try:
607 sys.argv[:] = argv
--> 608 return self.runctx(code, ctx_globals, None)
609 finally:
610 sys.argv[:] = original_sys_argv
/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/pprofile.py in runctx(self, cmd, globals, locals)
586 """Similar to profile.Profile.runctx ."""
587 with self():
--> 588 exec(cmd, globals, locals)
589 return self
590
/Users/Jean/Desktop/ipython_cell_input.py in <module>()
----> 1 print(a)
NameError: name 'a' is not defined
Anyway, thank you for the great extension ๐
It would sometimes be desirable to omit a certain line of code or certain function from the heatmap, I'm thinking something along the lines of pylint's disable comments
This is a great magic!!
I wonder why this code is not working:
%%heat
def gauss(A, b):
Ab = np.column_stack((A, b))
for p, pivot_vrsta in enumerate(Ab[:-1]):
for vrsta in Ab[p + 1:]:
if pivot_vrsta[p]:
vrsta[p:] = vrsta[p:] - pivot_vrsta[p:] * vrsta[p] / pivot_vrsta[p]
else:
raise Exception('Division with 0.')
return Ab
import numpy as np
n = 40
gauss(np.random.random((n, n)),np.random.random(n))
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