于子津的问题

[FullStackPark-Admin]

#-*-coding:utf-8-*-
"""

"""

import csv
import os
import codecs

#主函数
def changeFalse():
    os.chdir('/Users/lincolnwung/Desktop/国际人/Python-CSV/')

    if not os.path.exists('temp'):
        os.mkdir('temp')

    header = ['ListingId', '借款金额', '借款期限', '借款利率', '借款成功日期', '初始评级', '借款类型', '是否首标', '年龄', '性别', '手机认证', '户口认证', '视频认证',
              '学历认证', '征信认证', '淘宝认证', '历史成功借款次数', '历史成功借款金额', '总待还本金', '历史正常还款期数', '历史逾期还款期数']

    file_obj = open("./LC.csv",'r')
    reader = csv.DictReader(file_obj, delimiter=',')
    my_list = []
    for line in reader:

        # 逻辑写到下面就行了

        if(line['手机认证']=='成功认证'):
            line['手机认证'] = 1

        # 逻辑写到上面就行了
        my_list.append(line)

    file_name = "temp.csv"
    with open(file_name, 'w') as f:
        csvWriter = csv.DictWriter(f, header)

        csvWriter.writeheader()

        for row in my_list:
            csvWriter.writerow(row)
        f.close()

changeFalse()

[Hermioneyuzijin]

江湖救急^o^

[Hermioneyuzijin]

建立temp.csv目的是啥

[Hermioneyuzijin]

#-*-coding:utf-8-*-

import pandas as pd
df = pd.read_csv("LC.csv") 
df

import csv
import os
import codecs

def changeFalse():
    os.chdir('/Users/yuzijin/Downloads/ppdai_3_23/LC.csv')

    if not os.path.exists('temp'):
        os.mkdir('temp')

    header = ['ListingId', '借款金额', '借款期限', '借款利率', '借款成功日期', '初始评级', '借款类型', '是否首标', '年龄', '性别', '手机认证', '户口认证', '视频认证','学历认证', '征信认证', '淘宝认证', '历史成功借款次数', '历史成功借款金额', '总待还本金', '历史正常还款期数', '历史逾期还款期数']

    file_obj = open("./LC.csv",'r')
    reader = csv.DictReader(file_obj, delimiter=',')
    my_list = []
    for line in reader:

        if(line['手机认证']=='成功认证'):
            line['手机认证'] = 1
        else:
            line['手机认证'] = 0
        if(line['学历认证']=='成功认证'):
            line['学历认证'] = 1
        else:
            line['学历认证'] = 0
        if(line['征信认证']=='成功认证'):
            line['征信认证'] = 1
        else:
            line['征信认证'] = 0
        if(line['淘宝认证']=='成功认证'):
            line['淘宝认证'] = 1
        else:
            line['淘宝认证'] = 0

        my_list.append(line)

    file_name = "temp.csv"
    with open(file_name, 'w') as f:
        csvWriter = csv.DictWriter(f, header)

        csvWriter.writeheader()

        for row in my_list:
            csvWriter.writerow(row)
        f.close()
df = pd.read_csv("temp.csv") 
df

[Hermioneyuzijin]

FileNotFoundError                         Traceback (most recent call last)
<ipython-input-40-e4bf336b73fd> in <module>()
     52             csvWriter.writerow(row)
     53         f.close()
---> 54 df = pd.read_csv("temp.csv")
     55 df

/anaconda3/lib/python3.6/site-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)
    653                     skip_blank_lines=skip_blank_lines)
    654 
--> 655         return _read(filepath_or_buffer, kwds)
    656 
    657     parser_f.__name__ = name

/anaconda3/lib/python3.6/site-packages/pandas/io/parsers.py in _read(filepath_or_buffer, kwds)
    403 
    404     # Create the parser.
--> 405     parser = TextFileReader(filepath_or_buffer, **kwds)
    406 
    407     if chunksize or iterator:

/anaconda3/lib/python3.6/site-packages/pandas/io/parsers.py in __init__(self, f, engine, **kwds)
    762             self.options['has_index_names'] = kwds['has_index_names']
    763 
--> 764         self._make_engine(self.engine)
    765 
    766     def close(self):

/anaconda3/lib/python3.6/site-packages/pandas/io/parsers.py in _make_engine(self, engine)
    983     def _make_engine(self, engine='c'):
    984         if engine == 'c':
--> 985             self._engine = CParserWrapper(self.f, **self.options)
    986         else:
    987             if engine == 'python':

/anaconda3/lib/python3.6/site-packages/pandas/io/parsers.py in __init__(self, src, **kwds)
   1603         kwds['allow_leading_cols'] = self.index_col is not False
   1604 
-> 1605         self._reader = parsers.TextReader(src, **kwds)
   1606 
   1607         # XXX

pandas/_libs/parsers.pyx in pandas._libs.parsers.TextReader.__cinit__ (pandas/_libs/parsers.c:4209)()

pandas/_libs/parsers.pyx in pandas._libs.parsers.TextReader._setup_parser_source (pandas/_libs/parsers.c:8873)()

FileNotFoundError: File b'temp.csv' does not exist