[英]How to convert a YAML to CSV in python
我的 log.yml 文件中保存了一个字典列表,我想将其转换为 csv 使其看起来像这样
Yaml_to_CSV.py
import csv
import yaml
fieldnames = ['Name', 'IP', 'Comments', 'Subnet4', 'Subnet-Mask']
with open('output.csv', 'w', newline='') as f_output:
csv_output = csv.DictWriter(f_output, fieldnames=fieldnames)
csv_output.writeheader()
for filename in ['log.yml']:
with open(filename) as f_input:
data = yaml.safe_load(f_input)
我被困在这里。
日志.yml
- comments: FWP - Host 1
ipv4-address: 10.1.2.3
name: gTest101
- comments: FWP - Network 2
name: gTest102
subnet-mask: 255.255.255.255
subnet4: 41.1.2.2
您可以在 YAML 中的字段名称和 CSV 文件中的字段名称之间使用 map 的字典:
import csv
import yaml
fields = {
'name' : 'Name',
'ipv4-address' : 'IP',
'comments' : 'Comments',
'subnet4' : 'Subnet4',
'subnet-mask' : 'Subnet-Mask',
}
with open('output.csv', 'w', newline='') as f_output:
csv_output = csv.DictWriter(f_output, fieldnames=fields.values())
csv_output.writeheader()
for filename in ['log.yml']:
with open(filename) as f_input:
for row_yaml in yaml.safe_load(f_input):
row_csv = {fields[key] : value for key, value in row_yaml.items()}
csv_output.writerow(row_csv)
这将产生output.csv
为:
Name,IP,Comments,Subnet4,Subnet-Mask
gTest101,10.1.2.3,FWP - Host 1,,
gTest102,,FWP - Network 2,41.1.2.2,255.255.255.255
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