Python 3.x load返回str而不是dict
使用pyyaml和python3,以下内存中的yaml字符串加载没有错误,但是yaml.full_load()返回str而不是dict。这是预期的行为吗?谢谢Python 3.x load返回str而不是dict,python-3.x,pyyaml,Python 3.x,Pyyaml,使用pyyaml和python3,以下内存中的yaml字符串加载没有错误,但是yaml.full_load()返回str而不是dict。这是预期的行为吗?谢谢 main: orgs: &org1 org1: categories: - one - two - three &org2 org2: categories: - one - two people
main:
orgs:
&org1 org1:
categories:
- one
- two
- three
&org2 org2:
categories:
- one
- two
people:
- userid: user1
org: *org1
roles:
- roleA
- roleB
- userid: user2
org: *org2
roles:
- roleA
MAIN\u YAML=MAIN:orgs:&org1:categories:-一二三&org2org2:categories:-一两个人:-userid:user1org:*org1roles:-roleA-roleB userid:user2org:*org2roles:-roleA
已成功解析
假的
下面是创建一行程序的shell脚本:
tr -d '\n\t' < main.yaml > temp.yaml
tr -d ' ' < temp.yaml > main_squeezed.yaml
MAIN_YAML=$(cat main_squeezed.yaml)
tr-d'\n\t'temp.yaml
tr-d''main_.yaml
MAIN_YAML=$(cat MAIN_.YAML)
您似乎是从没有YAML文件“原样”(带换行符)的环境变量加载它
当字符串中包含换行符时,它会起作用:
>>> s = """main:
... orgs:
... &org1 org1:
... categories:
... - one
... - two
... - three
... &org2 org2:
... categories:
... - one
... - two
... people:
... - userid: user1
... org: *org1
... roles:
... - roleA
... - roleB
... - userid: user2
... org: *org2
... roles:
... - roleA"""
>>>
>>> import yaml
>>> yaml.full_load(s)
{'main': {'orgs': {'org1': {'categories': ['one', 'two', 'three']}, 'org2': {'categories': ['one', 'two']}}, 'people': [{'userid': 'user1', 'org': 'org1', 'roles': ['roleA', 'roleB']}, {'userid': 'user2', 'org': 'org2', 'roles': ['roleA']}]}}
当字符串是一行文本时,它不起作用:
>>> t = s.replace('\n', '').replace(' ', '') # same thing, but one line
>>> yaml.full_load(t)
'main:orgs:&org1org1:categories:-one-two-three&org2org2:categories:-one-twopeople:-userid:user1org:*org1roles:-roleA-roleB-userid:user2org:*org2roles:-roleA'
啊,是的,我正在将它作为文件中的一个ENV变量传递给Docker容器,并且换行符正在被剥离,因此它适合一行。下面是生成一行程序的shell脚本。tr-d'\n\t'
>>> s = """main:
... orgs:
... &org1 org1:
... categories:
... - one
... - two
... - three
... &org2 org2:
... categories:
... - one
... - two
... people:
... - userid: user1
... org: *org1
... roles:
... - roleA
... - roleB
... - userid: user2
... org: *org2
... roles:
... - roleA"""
>>>
>>> import yaml
>>> yaml.full_load(s)
{'main': {'orgs': {'org1': {'categories': ['one', 'two', 'three']}, 'org2': {'categories': ['one', 'two']}}, 'people': [{'userid': 'user1', 'org': 'org1', 'roles': ['roleA', 'roleB']}, {'userid': 'user2', 'org': 'org2', 'roles': ['roleA']}]}}
>>> t = s.replace('\n', '').replace(' ', '') # same thing, but one line
>>> yaml.full_load(t)
'main:orgs:&org1org1:categories:-one-two-three&org2org2:categories:-one-twopeople:-userid:user1org:*org1roles:-roleA-roleB-userid:user2org:*org2roles:-roleA'