[英]Google colab open csv file
我試圖通過這種方式在 google csv 上打開 .csv 文件
import pandas as pd
from google.colab import files
uploaded = files.upload()
for fn in uploaded.keys():
print('User uploaded file "{name}" with length {length} bytes'.format(
name=fn, length=len(uploaded[fn])))
import io
df = pd.read_csv(io.StringIO(uploaded['test.csv'].decode('utf-8')))
但我有一個錯誤:
ParserError Traceback (most recent call last)
<ipython-input-6-7c1e8871ef06> in <module>()
1 import io
----> 2 df = pd.read_csv(io.StringIO(uploaded['test.csv'].decode('utf-8')))
3 print(df)
/usr/local/lib/python3.6/dist-packages/pandas/io/parsers.py in parser_f(filepath_or_buffer, sep, delimiter, header, names, index_col, usecols, squeeze, prefix, mangle_dupe_cols, dtype, engine, converters, true_values, false_values, skipinitialspace, skiprows, nrows, na_values, keep_default_na, na_filter, verbose, skip_blank_lines, parse_dates, infer_datetime_format, keep_date_col, date_parser, dayfirst, iterator, chunksize, compression, thousands, decimal, lineterminator, quotechar, quoting, escapechar, comment, encoding, dialect, tupleize_cols, error_bad_lines, warn_bad_lines, skipfooter, skip_footer, doublequote, delim_whitespace, as_recarray, compact_ints, use_unsigned, low_memory, buffer_lines, memory_map, float_precision)
707 skip_blank_lines=skip_blank_lines)
708
--> 709 return _read(filepath_or_buffer, kwds)
710
711 parser_f.__name__ = name
/usr/local/lib/python3.6/dist-packages/pandas/io/parsers.py in _read(filepath_or_buffer, kwds)
453
454 try:
--> 455 data = parser.read(nrows)
456 finally:
457 parser.close()
/usr/local/lib/python3.6/dist-packages/pandas/io/parsers.py in read(self, nrows)
1067 raise ValueError('skipfooter not supported for iteration')
1068
-> 1069 ret = self._engine.read(nrows)
1070
1071 if self.options.get('as_recarray'):
/usr/local/lib/python3.6/dist-packages/pandas/io/parsers.py in read(self, nrows)
1837 def read(self, nrows=None):
1838 try:
-> 1839 data = self._reader.read(nrows)
1840 except StopIteration:
1841 if self._first_chunk:
pandas/_libs/parsers.pyx in pandas._libs.parsers.TextReader.read()
pandas/_libs/parsers.pyx in pandas._libs.parsers.TextReader._read_low_memory()
pandas/_libs/parsers.pyx in pandas._libs.parsers.TextReader._read_rows()
pandas/_libs/parsers.pyx in pandas._libs.parsers.TextReader._tokenize_rows()
pandas/_libs/parsers.pyx in pandas._libs.parsers.raise_parser_error()
ParserError: Error tokenizing data. C error: Expected 1 fields in line 19, saw 2
如何在 google colab 上打開.csv
文件
您不需要 StringIO, test.csv
文件已經上傳到那里。
import pandas as pd
from google.colab import files
uploaded = files.upload()
df = pd.read_csv('test.csv')
將您的文件添加到谷歌驅動器並嘗試此操作
!pip install -U -q PyDrive
from pydrive.auth import GoogleAuth
from pydrive.drive import GoogleDrive
from google.colab import auth
from oauth2client.client import GoogleCredentials
# 1. Authenticate and create the PyDrive client.
auth.authenticate_user()
gauth = GoogleAuth()
gauth.credentials = GoogleCredentials.get_application_default()
drive = GoogleDrive(gauth)
file_list = drive.ListFile({'q': "'<FOLDER ID>' in parents and trashed=false"}).GetList()
for file1 in file_list:
print('title: %s, id: %s' % (file1['title'], file1['id']))
title: train.csv, id: <TRAIN_FILE_ID>
title: test.csv, id: <TEST_FILE_ID>
train_downloaded = drive.CreateFile({'id': '<TRAIN_FILE_ID>'})
train_downloaded.GetContentFile('train.csv')
test_downloaded = drive.CreateFile({'id': '<TEST_FILE_ID>'})
test_downloaded.GetContentFile('test.csv')
import pandas as pd
import numpy as np
df_train = pd.read_csv('train.csv')
df_train
查看鏈接了解更多詳情
http://nali.org/load-google-drive-csv-panda-dataframe-google-colab/
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