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update to depend on cloudstorage client lib instead of mapreduce.lib.… #2

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update to depend on cloudstorage client lib instead of mapreduce.lib.… #2

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11 changes: 5 additions & 6 deletions input_readers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,7 @@
@author: cloudysunny14@gmail.com
'''
import logging

from mapreduce.lib import files
import cloudstorage
from mapreduce import input_readers
from mapreduce import errors

Expand Down Expand Up @@ -87,6 +86,7 @@ def validate(cls, mapper_spec):

params = _get_params(mapper_spec)

# import pdb; pdb.set_trace()
if cls.FILE_PATHS_PARAM not in params:
raise BadReaderParamsError("Must specify 'file_path' for mapper input")

Expand Down Expand Up @@ -126,9 +126,8 @@ def split_input(cls, mapper_spec):
file_sizes = {}

for file_path in file_paths:
fp = files.BufferedFile(file_path)
fp.seek(0, 2)
file_sizes[file_path] = fp.tell()
fstat = cloudstorage.stat(file_path)
file_sizes[file_path] = fstat.st_size

shard_count = min(cls._MAX_SHARD_COUNT, mapper_spec.shard_count)
shards_per_file = shard_count // len(file_paths)
Expand Down Expand Up @@ -157,7 +156,7 @@ def next(self):
self._has_iterated = True

if not self._filestream:
self._filestream = files.BufferedFile(self._file_path)
self._filestream = cloudstorage.open(self._file_path)
if self._start_position:
self._filestream.seek(self._start_position)
self._filestream.readline()
Expand Down