Difference between revisions of "Python:JSON"
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: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 into a [[Python:DataTypes#Dictionary_or_dict|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. |
Latest revision as of 16:27, 18 October 2021
- 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 into 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.