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# Copyright 2016 Egor Tensin <Egor.Tensin@gmail.com>
# This file is licensed under the terms of the MIT License.
# See LICENSE.txt for details.
from collections.abc import Iterable
import csv
from ..record import Record
from ..timestamp import Timestamp
class Reader(Iterable):
def __init__(self, path):
self._fd = open(path)
self._reader = csv.reader(self._fd)
def __enter__(self):
self._fd.__enter__()
return self
def __exit__(self, *args):
self._fd.__exit__(*args)
def __iter__(self):
return map(Reader._record_from_row, self._reader)
@staticmethod
def _record_from_row(row):
record = Record(Timestamp.from_string(row[0]))
for i in range(len(Record.FIELDS)):
record[Record.FIELDS[i]] = row[i + 1]
return record
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