Python:JSON: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 6: | Line 6: | ||
:Return <jsonstring> as [[Python:DataTypes#Dictionary_or_dict|dict]]. | :Return <jsonstring> as [[Python:DataTypes#Dictionary_or_dict|dict]]. | ||
;json.load(<fh>) | ;json.load(<fh>) | ||
:Read a | :Read a jsonstring from the file opened on <fh> and return it as [[Python:DataTypes#Dictionary_or_dict|dict]]. | ||
<syntaxhighlight lang=python> | <syntaxhighlight lang=python> | ||
import json | import json | ||
| Line 12: | Line 12: | ||
data = json.load(fh) | data = json.load(fh) | ||
</syntaxhighlight> | </syntaxhighlight> | ||
:Read a jsonstring from an url in to a dictionary. | |||
<syntaxhighlight lang=python> | |||
import json | |||
import requests | |||
response = json.loads(requests.get(url).text) | |||
for key in response: | |||
print(key) | |||
</syntaxhighlight> | |||
Below can be used on [[Python:DataTypes|datatypes]] like lists and tuples too, not on sets. | Below can be used on [[Python:DataTypes|datatypes]] like lists and tuples too, not on sets. | ||
Revision as of 12:45, 23 May 2020
- import json
- Enable json functions. The json module is standard available (no installation needed)
- json.loads(<jsonstring>)
- Return <jsonstring> as dict.
- json.load(<fh>)
- Read a jsonstring from the file opened on <fh> and return it as dict.
import json
with open(filename) as fh:
data = json.load(fh)
- Read a jsonstring from an url in to a dictionary.
import json
import requests
response = json.loads(requests.get(url).text)
for key in response:
print(key)
Below can be used on datatypes like lists and tuples too, not on sets.
- json.dumps(dict, indent=4)
- Convert a dict into a json string nicely formatted. Indent each level with 4 spaces.
- json.dump(dict, fh, indent=4)
- Dumps to the file opened on filehandle fh.