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Free disk size (todo) #172

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Free disk size (todo) #172

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c451674
Free disk size (todo)
us Mar 6, 2019
9fcb2a3
Deleted todo comment line
us Mar 6, 2019
f6ba641
Moved free_disk_size method to py_utils
us Mar 14, 2019
4f17fa1
Changed py_utils to utils.py_utils
us Mar 14, 2019
4d6083e
Change dir name to _data_dir_root
us Mar 14, 2019
dce7c7b
Fixed errors.
us Mar 14, 2019
bcb3494
Deleted unused codes.
us Mar 14, 2019
7e38b62
Fixed free_disk_size method to cross-platforms
us Mar 14, 2019
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15 changes: 13 additions & 2 deletions tensorflow_datasets/core/dataset_builder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -382,13 +382,24 @@ def _log_download_bytes(self):
# Print is intentional: we want this to always go to stdout so user has
# information needed to cancel download/preparation if needed.
# This comes right before the progress bar.

stat = os.statvfs('/')
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free_disk_size = (stat.f_bavail * stat.f_frsize) / 1024
dataset_size = self.info.size_in_bytes
def _check_disk_size():
if (dataset_size > free_disk_size ) :
raise IOError("Not enough disk space!!\nDataset size : {dataset_size} \nFree size : {free_disk_size} \nYou need to extra {needed_disk_size} to download."
.format(dataset_size=units.size_str(dataset_size),
free_disk_size=units.size_str(free_disk_size),
needed_disk_size=units.size_str(dataset_size-free_disk_size)))

_check_disk_size()

size_text = units.size_str(self.info.size_in_bytes)
termcolor.cprint(
"Downloading / extracting dataset %s (%s) to %s..." %
(self.name, size_text, self._data_dir),
attrs=["bold"])
# TODO(tfds): Should try to estimate the available free disk space (if
# possible) and raise an error if not.

@abc.abstractmethod
def _info(self):
Expand Down