我对python非常陌生(2天),所以请容忍我。我正在尝试从readCsv文件发送yaml。py来获取数据。yml文件。我想一切都很好,但我从readCsv发送的导出yaml中得到了报价。py来获取数据。tml。为什么?
这就是奇迹发生的地方,readCsv.py:
import csv
import pandas
import yaml
""" Reading whole csv file with panda library """
df = pandas.read_csv('chord-progressions.csv')
""" Read in csv, but easy read with pandas """
""" print(df) """
""" Convert csv to yml """
text = yaml.dump(
df.to_dict(orient='records'),
sort_keys=False, width=72, indent=4)
print(text)
""" Export the recently converted yml to getData.yml """
with open('getData.yml', 'w') as outfile:
yaml.dump(text, outfile, default_flow_style=False)
在我的getData.yml文件中输出:
"- 1st chord: 4\n 2nd chord: 1\n 3rd chord: 5\n 4th chord: Alternative\n\
\ Progression: .nan\n- 1st chord: 4\n 2nd chord: 1\n 3rd chord: 5\n \
\ 4th chord: Catchy\n Progression: .nan\n- 1st chord: 1\n 2nd chord: 1\n\
\ 3rd chord: 1\n 4th chord: Didgeridoo\n Progression: .nan\n- 1st chord:\
\ 6\n 2nd chord: 4\n 3rd chord: 5\n 4th chord: Dreadful\n Progression:\
\ .nan\n- 1st chord: 6\n 2nd chord: 2\n 3rd chord: 5\n 4th chord: Dreadful\n\
\ Progression: .nan\n- 1st chord: 6\n 2nd chord: 2\n 3rd chord: 4\n \
\ 4th chord: Endless\n Progression: .nan\n- 1st chord: 3\n 2nd chord:\
\ 4\n 3rd chord: 6\n 4th chord: Energetic\n Progression: .nan\n- 1st\
\ chord: 5\n 2nd chord: 1\n 3rd chord: 4\n 4th chord: Folk\n Progression:\
\ .nan\n- 1st chord: 6\n 2nd chord: 1\n 3rd chord: 4\n 4th chord: Folk\n\
\ Progression: .nan\n- 1st chord: 5\n 2nd chord: 4\n 3rd chord: 3\n \
\ 4th chord: Flamenco\n Progression: .nan\n- 1st chord: 5\n 2nd chord:\
\ 6\n 3rd chord: 5\n 4th chord: Flamenco\n Progression: .nan\n- 1st chord:\
\ 4\n 2nd chord: 3\n 3rd chord: 6\n 4th chord: Grunge\n Progression:\
\ .nan\n- 1st chord: 5\n 2nd chord: 1\n 3rd chord: 6\n 4th chord: Jazz\n\
\ Progression: .nan\n- 1st chord: 4\n 2nd chord: 5\n 3rd chord: 4\n \
\ 4th chord: Love\n Progression: .nan\n- 1st chord: 4\n 2nd chord: 1\n\
\ 3rd chord: 5\n 4th chord: Memories\n Progression: .nan\n- 1st chord:\
\ 5\n 2nd chord: 6\n 3rd chord: 4\n 4th chord: Pop\n Progression: .nan\n\
- 1st chord: 6\n 2nd chord: 3\n 3rd chord: 7\n 4th chord: Pop\n Progression:\
\ .nan\n- 1st chord: 1\n 2nd chord: 4\n 3rd chord: 5\n 4th chord: Rebellious\n\
\ Progression: .nan\n- 1st chord: 4\n 2nd chord: 5\n 3rd chord: 5\n \
\ 4th chord: Sad\n Progression: .nan\n- 1st chord: 5\n 2nd chord: 4\n\
\ 3rd chord: 4\n 4th chord: Sad\n Progression: .nan\n- 1st chord: 4\n\
\ 2nd chord: 5\n 3rd chord: 4\n 4th chord: Sad\n Progression: .nan\n\
- 1st chord: 4\n 2nd chord: 1\n 3rd chord: 1\n 4th chord: Sweet\n \
\ Progression: .nan\n- 1st chord: 4\n 2nd chord: 1\n 3rd chord: 4\n 4th\
\ chord: Simple\n Progression: .nan\n- 1st chord: 5\n 2nd chord: 5\n \
\ 3rd chord: 1\n 4th chord: Simple\n Progression: .nan\n- 1st chord: 4\n\
\ 2nd chord: 1\n 3rd chord: 4\n 4th chord: Wildside\n Progression: .nan\n\
- 1st chord: 1\n 2nd chord: 4\n 3rd chord: 6\n 4th chord: Wistful\n \
\ Progression: .nan\n- 1st chord: 1\n 2nd chord: 5\n 3rd chord: 7\n \
\ 4th chord: Moody\n Progression: .nan\n- 1st chord: 1\n 2nd chord: 7\n\
\ 3rd chord: 6\n 4th chord: Moody\n Progression: .nan\n"
text
已经是YAML;您不需要对它进行第二次编码。
with open('getData.yml', 'w') as outfile:
print(text, file=outfile)
或
with open('getData.yml', 'w') as outfile:
yaml.dump(
df.to_dict(orient='records'),
outfile,
sort_keys=False,
width=72,
indent=4
)
这里发生的事情是,您两次转储您的yaml
。首先,在这方面:
""" Convert csv to yml """
text = yaml.dump(
df.to_dict(orient='records'),
sort_keys=False, width=72, indent=4)
此时,text
是一个带有yaml
值的字符串。
然后,再次将其转储到此处:
""" Export the recently converted yml to getData.yml """
with open('getData.yml', 'w') as outfile:
yaml.dump(text, outfile, default_flow_style=False)
因为您正在转储的只是一个字符串,所以它将作为字符串显示在您的文件中。您可以将字符串直接写入文件:
with open('getData.yml', 'w') as outfile:
outfile.write(text)
或者,您可以直接将CSV转储到yaml中,如下所示:
with open('getData.yml', 'w') as outfile:
yaml.dump(
df.to_dict(orient='records'), outfile,
sort_keys=False, width=72, indent=4, default_flow_style=False)
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