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Added a custom verbose option #104

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Added a custom verbose option #104

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eb58a14
Added a custom verbose option
josemazo Aug 18, 2016
4e9b063
Merge pull request #1 from lyst/master
josemazo Aug 22, 2017
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16 changes: 11 additions & 5 deletions lightfm/lightfm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -453,8 +453,10 @@ def fit(self, interactions,
num_threads: int, optional
Number of parallel computation threads to use. Should
not be higher than the number of physical cores.
verbose: bool, optional
whether to print progress messages.
verbose: bool or function, optional
if it's a bool, whether to print progress messages;
if it's a function, the print or logging function for printing
progress messages.

Returns
-------
Expand Down Expand Up @@ -513,8 +515,10 @@ def fit_partial(self, interactions,
num_threads: int, optional
Number of parallel computation threads to use. Should
not be higher than the number of physical cores.
verbose: bool, optional
whether to print progress messages.
verbose: bool or function, optional
if it's a bool, whether to print progress messages;
if it's a function, the print or logging function for printing
progress messages.

Returns
-------
Expand Down Expand Up @@ -567,7 +571,9 @@ def fit_partial(self, interactions,

for epoch in range(epochs):

if verbose:
if hasattr(verbose, '__call__'):
verbose('Epoch %s' % epoch)
elif verbose:
print('Epoch %s' % epoch)

self._run_epoch(item_features,
Expand Down