Mixing
How to merge JSON files?
-2
How can I use ordered dictionary in python older versions?
python json python-3.x
asked Nov 22 '18 at 10:57
Abhishek AllamsettyAbhishek Allamsetty
155
add a comment |
-2
How can I use ordered dictionary in python older versions?
python json python-3.x
asked Nov 22 '18 at 10:57
Abhishek AllamsettyAbhishek Allamsetty
155
add a comment |
-2
-2
-2
How can I use ordered dictionary in python older versions?
python json python-3.x
asked Nov 22 '18 at 10:57
Abhishek AllamsettyAbhishek Allamsetty
155
How can I use ordered dictionary in python older versions?
python json python-3.x
python json python-3.x
asked Nov 22 '18 at 10:57
Abhishek AllamsettyAbhishek Allamsetty
155
asked Nov 22 '18 at 10:57
Abhishek AllamsettyAbhishek Allamsetty
155
edited Dec 20 '18 at 2:11
Abhishek Allamsetty
asked Nov 22 '18 at 10:57
Abhishek AllamsettyAbhishek Allamsetty
155
asked Nov 22 '18 at 10:57
Abhishek AllamsettyAbhishek Allamsetty
155
asked Nov 22 '18 at 10:57
Abhishek AllamsettyAbhishek Allamsetty
155
155
add a comment |
add a comment |
3 Answers
3
active
oldest
votes
1
from collections import OrderedDict
from functools import partial
import json
import sys
if sys.version_info < (3,6): # Pre Python 3.6?
ordered_json_load = partial(json.load, object_pairs_hook=OrderedDict)
else:
ordered_json_load = json.load
with open('file1.json') as finput1, open('file2.json') as finput2:
# Merge data from files.
merged = ordered_json_load(finput1)
merged['body'].update(ordered_json_load(finput2)['body'].items())
# Write the merged data to an output file.
with open('output.json', 'w') as foutput:
json.dump(merged, foutput, indent=4)
Contents of output file produced:
{
"head-param": "foo",
"head-param1": "bar",
"head-sub-param": {
"head-sub-param1": "foo",
"head-sub-param2": "bar"
},
"body": {
"name1": {
"value": "foo",
"option": "bar",
"bar": "bar",
"foo": "foo",
"baz": "baz"
},
"name22": {
"value1": "foo1",
"option1": "bar1",
"bar1": "bar1",
"foo1": "foo1",
"baz1": "baz1"
}
}
}
answered Nov 22 '18 at 11:45
martineaumartineau
68.4k1090183
Thanks for the help it works, but I have some issues with that where lines are not properly aligned and also the output is not in order of the source JSON file. Please suggest me the way so that I can eliminate even that issue.
– Abhishek Allamsetty
Nov 22 '18 at 14:22
Abhishek: OK, modified to automatically preserve the order when necessary (depends on exact version of Python being used). Also prettied-up the lines dumped to the output file (assuming that's what you meant by "properly aligned").
– martineau
Nov 22 '18 at 18:06
1
Thank you so much it really helps me a lot. It works as per my expectation. Thank you so much.
– Abhishek Allamsetty
Nov 22 '18 at 23:09
add a comment |
1
I would use jsonmerge to merge your json files. It handles the merging of JSON files quite well.
You can install this library with pip install jsonmerge.
Demo:
from json import loads
from json import dump
from jsonmerge import merge
# Store your json files here
# If all of them exist in directory, you can use os.listdir() instead
json_files = ['file1.json', 'file2.json']
with open('merged.json', 'w') as json_out:
# Store updated results in this dict
data = {}
for file in json_files:
with open(file, 'rb') as json_file:
json_data = loads(json_file.read())
# Update result dict with merged data
data.update(merge(data, json_data))
dump(data, json_out, indent=4)
Which gives the following merged.json:
{
"head-param": "foo",
"head-param1": "bar",
"head-sub-param": {
"head-sub-param1": "foo",
"head-sub-param2": "bar"
},
"body": {
"name1": {
"value": "foo",
"option": "bar",
"bar": "bar",
"foo": "foo",
"baz": "baz"
},
"name22": {
"value1": "foo1",
"option1": "bar1",
"bar1": "bar1",
"foo1": "foo1",
"baz1": "baz1"
}
}
}
answered Nov 22 '18 at 11:37
RoadRunnerRoadRunner
11.3k31340
add a comment |
1
You could write a little recursive function:
def update_nested_dict(dict_1, dict_2):
"""Mutate dict_1 by updating it with all values present in dict_2."""
for key, value in dict_2.items():
if key not in dict_1:
# Just add the value to dict_1
dict_1[key] = value
continue
if isinstance(value, dict):
# If this is a dict then let's recurse...
update_nested_dict(dict_1[key], value)
Calling update_nested_dict(json1, json2) mutates json1 to:
{'head-param': 'foo',
'head-param1': 'bar',
'head-sub-param': {'head-sub-param1': 'foo', 'head-sub-param2': 'bar'},
'body': {'name1': {'value': 'foo',
'option': 'bar',
'bar': 'bar',
'foo': 'foo',
'baz': 'baz'},
'name22': {'value1': 'foo1',
'option1': 'bar1',
'bar1': 'bar1',
'foo1': 'foo1',
'baz1': 'baz1'}}}
answered Nov 22 '18 at 12:12
Bernard StockermansBernard Stockermans
315
You've basically implemented in pure Python what the built-indict.update()method would do much more quickly.
– martineau
Nov 22 '18 at 18:12
I don't think that's quite true, unlessdict.updatehas a recursive option?
– Bernard Stockermans
Nov 23 '18 at 16:36
1
Bernard: No,dict.update()doesn't have an option like that—but it doesn't need one. Here's an example with some proof (in addition, of course, to my own answer to this question).
– martineau
Nov 23 '18 at 19:36
add a comment |
Your Answer
StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
});
});
}, "code-snippets");
StackExchange.ready(function() {
var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
}
});
function createEditor() {
StackExchange.prepareEditor({
heartbeatType: 'answer',
autoActivateHeartbeat: false,
convertImagesToLinks: true,
noModals: true,
showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
allowUrls: true
},
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true
});
}
});
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53429414%2fhow-to-merge-json-files%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
1
from collections import OrderedDict
from functools import partial
import json
import sys
if sys.version_info < (3,6): # Pre Python 3.6?
ordered_json_load = partial(json.load, object_pairs_hook=OrderedDict)
else:
ordered_json_load = json.load
with open('file1.json') as finput1, open('file2.json') as finput2:
# Merge data from files.
merged = ordered_json_load(finput1)
merged['body'].update(ordered_json_load(finput2)['body'].items())
# Write the merged data to an output file.
with open('output.json', 'w') as foutput:
json.dump(merged, foutput, indent=4)
Contents of output file produced:
{
"head-param": "foo",
"head-param1": "bar",
"head-sub-param": {
"head-sub-param1": "foo",
"head-sub-param2": "bar"
},
"body": {
"name1": {
"value": "foo",
"option": "bar",
"bar": "bar",
"foo": "foo",
"baz": "baz"
},
"name22": {
"value1": "foo1",
"option1": "bar1",
"bar1": "bar1",
"foo1": "foo1",
"baz1": "baz1"
}
}
}
answered Nov 22 '18 at 11:45
martineaumartineau
68.4k1090183
Thanks for the help it works, but I have some issues with that where lines are not properly aligned and also the output is not in order of the source JSON file. Please suggest me the way so that I can eliminate even that issue.
– Abhishek Allamsetty
Nov 22 '18 at 14:22
Abhishek: OK, modified to automatically preserve the order when necessary (depends on exact version of Python being used). Also prettied-up the lines dumped to the output file (assuming that's what you meant by "properly aligned").
– martineau
Nov 22 '18 at 18:06
1
Thank you so much it really helps me a lot. It works as per my expectation. Thank you so much.
– Abhishek Allamsetty
Nov 22 '18 at 23:09
add a comment |
1
from collections import OrderedDict
from functools import partial
import json
import sys
if sys.version_info < (3,6): # Pre Python 3.6?
ordered_json_load = partial(json.load, object_pairs_hook=OrderedDict)
else:
ordered_json_load = json.load
with open('file1.json') as finput1, open('file2.json') as finput2:
# Merge data from files.
merged = ordered_json_load(finput1)
merged['body'].update(ordered_json_load(finput2)['body'].items())
# Write the merged data to an output file.
with open('output.json', 'w') as foutput:
json.dump(merged, foutput, indent=4)
Contents of output file produced:
{
"head-param": "foo",
"head-param1": "bar",
"head-sub-param": {
"head-sub-param1": "foo",
"head-sub-param2": "bar"
},
"body": {
"name1": {
"value": "foo",
"option": "bar",
"bar": "bar",
"foo": "foo",
"baz": "baz"
},
"name22": {
"value1": "foo1",
"option1": "bar1",
"bar1": "bar1",
"foo1": "foo1",
"baz1": "baz1"
}
}
}
answered Nov 22 '18 at 11:45
martineaumartineau
68.4k1090183
Thanks for the help it works, but I have some issues with that where lines are not properly aligned and also the output is not in order of the source JSON file. Please suggest me the way so that I can eliminate even that issue.
– Abhishek Allamsetty
Nov 22 '18 at 14:22
Abhishek: OK, modified to automatically preserve the order when necessary (depends on exact version of Python being used). Also prettied-up the lines dumped to the output file (assuming that's what you meant by "properly aligned").
– martineau
Nov 22 '18 at 18:06
1
Thank you so much it really helps me a lot. It works as per my expectation. Thank you so much.
– Abhishek Allamsetty
Nov 22 '18 at 23:09
add a comment |
1
1
1
from collections import OrderedDict
from functools import partial
import json
import sys
if sys.version_info < (3,6): # Pre Python 3.6?
ordered_json_load = partial(json.load, object_pairs_hook=OrderedDict)
else:
ordered_json_load = json.load
with open('file1.json') as finput1, open('file2.json') as finput2:
# Merge data from files.
merged = ordered_json_load(finput1)
merged['body'].update(ordered_json_load(finput2)['body'].items())
# Write the merged data to an output file.
with open('output.json', 'w') as foutput:
json.dump(merged, foutput, indent=4)
Contents of output file produced:
{
"head-param": "foo",
"head-param1": "bar",
"head-sub-param": {
"head-sub-param1": "foo",
"head-sub-param2": "bar"
},
"body": {
"name1": {
"value": "foo",
"option": "bar",
"bar": "bar",
"foo": "foo",
"baz": "baz"
},
"name22": {
"value1": "foo1",
"option1": "bar1",
"bar1": "bar1",
"foo1": "foo1",
"baz1": "baz1"
}
}
}
answered Nov 22 '18 at 11:45
martineaumartineau
68.4k1090183
from collections import OrderedDict
from functools import partial
import json
import sys
if sys.version_info < (3,6): # Pre Python 3.6?
ordered_json_load = partial(json.load, object_pairs_hook=OrderedDict)
else:
ordered_json_load = json.load
with open('file1.json') as finput1, open('file2.json') as finput2:
# Merge data from files.
merged = ordered_json_load(finput1)
merged['body'].update(ordered_json_load(finput2)['body'].items())
# Write the merged data to an output file.
with open('output.json', 'w') as foutput:
json.dump(merged, foutput, indent=4)
Contents of output file produced:
{
"head-param": "foo",
"head-param1": "bar",
"head-sub-param": {
"head-sub-param1": "foo",
"head-sub-param2": "bar"
},
"body": {
"name1": {
"value": "foo",
"option": "bar",
"bar": "bar",
"foo": "foo",
"baz": "baz"
},
"name22": {
"value1": "foo1",
"option1": "bar1",
"bar1": "bar1",
"foo1": "foo1",
"baz1": "baz1"
}
}
}
answered Nov 22 '18 at 11:45
martineaumartineau
68.4k1090183
edited Nov 22 '18 at 17:52
answered Nov 22 '18 at 11:45
martineaumartineau
68.4k1090183
answered Nov 22 '18 at 11:45
martineaumartineau
68.4k1090183
answered Nov 22 '18 at 11:45
martineaumartineau
68.4k1090183
68.4k1090183
Thanks for the help it works, but I have some issues with that where lines are not properly aligned and also the output is not in order of the source JSON file. Please suggest me the way so that I can eliminate even that issue.
– Abhishek Allamsetty
Nov 22 '18 at 14:22
Abhishek: OK, modified to automatically preserve the order when necessary (depends on exact version of Python being used). Also prettied-up the lines dumped to the output file (assuming that's what you meant by "properly aligned").
– martineau
Nov 22 '18 at 18:06
1
Thank you so much it really helps me a lot. It works as per my expectation. Thank you so much.
– Abhishek Allamsetty
Nov 22 '18 at 23:09
add a comment |
Thanks for the help it works, but I have some issues with that where lines are not properly aligned and also the output is not in order of the source JSON file. Please suggest me the way so that I can eliminate even that issue.
– Abhishek Allamsetty
Nov 22 '18 at 14:22
Abhishek: OK, modified to automatically preserve the order when necessary (depends on exact version of Python being used). Also prettied-up the lines dumped to the output file (assuming that's what you meant by "properly aligned").
– martineau
Nov 22 '18 at 18:06
1
Thank you so much it really helps me a lot. It works as per my expectation. Thank you so much.
– Abhishek Allamsetty
Nov 22 '18 at 23:09
Thanks for the help it works, but I have some issues with that where lines are not properly aligned and also the output is not in order of the source JSON file. Please suggest me the way so that I can eliminate even that issue.
– Abhishek Allamsetty
Nov 22 '18 at 14:22
Thanks for the help it works, but I have some issues with that where lines are not properly aligned and also the output is not in order of the source JSON file. Please suggest me the way so that I can eliminate even that issue.
– Abhishek Allamsetty
Nov 22 '18 at 14:22
Abhishek: OK, modified to automatically preserve the order when necessary (depends on exact version of Python being used). Also prettied-up the lines dumped to the output file (assuming that's what you meant by "properly aligned").
– martineau
Nov 22 '18 at 18:06
Abhishek: OK, modified to automatically preserve the order when necessary (depends on exact version of Python being used). Also prettied-up the lines dumped to the output file (assuming that's what you meant by "properly aligned").
– martineau
Nov 22 '18 at 18:06
1
1
Thank you so much it really helps me a lot. It works as per my expectation. Thank you so much.
– Abhishek Allamsetty
Nov 22 '18 at 23:09
Thank you so much it really helps me a lot. It works as per my expectation. Thank you so much.
– Abhishek Allamsetty
Nov 22 '18 at 23:09
add a comment |
1
I would use jsonmerge to merge your json files. It handles the merging of JSON files quite well.
You can install this library with pip install jsonmerge.
Demo:
from json import loads
from json import dump
from jsonmerge import merge
# Store your json files here
# If all of them exist in directory, you can use os.listdir() instead
json_files = ['file1.json', 'file2.json']
with open('merged.json', 'w') as json_out:
# Store updated results in this dict
data = {}
for file in json_files:
with open(file, 'rb') as json_file:
json_data = loads(json_file.read())
# Update result dict with merged data
data.update(merge(data, json_data))
dump(data, json_out, indent=4)
Which gives the following merged.json:
{
"head-param": "foo",
"head-param1": "bar",
"head-sub-param": {
"head-sub-param1": "foo",
"head-sub-param2": "bar"
},
"body": {
"name1": {
"value": "foo",
"option": "bar",
"bar": "bar",
"foo": "foo",
"baz": "baz"
},
"name22": {
"value1": "foo1",
"option1": "bar1",
"bar1": "bar1",
"foo1": "foo1",
"baz1": "baz1"
}
}
}
answered Nov 22 '18 at 11:37
RoadRunnerRoadRunner
11.3k31340
add a comment |
1
I would use jsonmerge to merge your json files. It handles the merging of JSON files quite well.
You can install this library with pip install jsonmerge.
Demo:
from json import loads
from json import dump
from jsonmerge import merge
# Store your json files here
# If all of them exist in directory, you can use os.listdir() instead
json_files = ['file1.json', 'file2.json']
with open('merged.json', 'w') as json_out:
# Store updated results in this dict
data = {}
for file in json_files:
with open(file, 'rb') as json_file:
json_data = loads(json_file.read())
# Update result dict with merged data
data.update(merge(data, json_data))
dump(data, json_out, indent=4)
Which gives the following merged.json:
{
"head-param": "foo",
"head-param1": "bar",
"head-sub-param": {
"head-sub-param1": "foo",
"head-sub-param2": "bar"
},
"body": {
"name1": {
"value": "foo",
"option": "bar",
"bar": "bar",
"foo": "foo",
"baz": "baz"
},
"name22": {
"value1": "foo1",
"option1": "bar1",
"bar1": "bar1",
"foo1": "foo1",
"baz1": "baz1"
}
}
}
answered Nov 22 '18 at 11:37
RoadRunnerRoadRunner
11.3k31340
add a comment |
1
1
1
I would use jsonmerge to merge your json files. It handles the merging of JSON files quite well.
You can install this library with pip install jsonmerge.
Demo:
from json import loads
from json import dump
from jsonmerge import merge
# Store your json files here
# If all of them exist in directory, you can use os.listdir() instead
json_files = ['file1.json', 'file2.json']
with open('merged.json', 'w') as json_out:
# Store updated results in this dict
data = {}
for file in json_files:
with open(file, 'rb') as json_file:
json_data = loads(json_file.read())
# Update result dict with merged data
data.update(merge(data, json_data))
dump(data, json_out, indent=4)
Which gives the following merged.json:
{
"head-param": "foo",
"head-param1": "bar",
"head-sub-param": {
"head-sub-param1": "foo",
"head-sub-param2": "bar"
},
"body": {
"name1": {
"value": "foo",
"option": "bar",
"bar": "bar",
"foo": "foo",
"baz": "baz"
},
"name22": {
"value1": "foo1",
"option1": "bar1",
"bar1": "bar1",
"foo1": "foo1",
"baz1": "baz1"
}
}
}
answered Nov 22 '18 at 11:37
RoadRunnerRoadRunner
11.3k31340
I would use jsonmerge to merge your json files. It handles the merging of JSON files quite well.
You can install this library with pip install jsonmerge.
Demo:
from json import loads
from json import dump
from jsonmerge import merge
# Store your json files here
# If all of them exist in directory, you can use os.listdir() instead
json_files = ['file1.json', 'file2.json']
with open('merged.json', 'w') as json_out:
# Store updated results in this dict
data = {}
for file in json_files:
with open(file, 'rb') as json_file:
json_data = loads(json_file.read())
# Update result dict with merged data
data.update(merge(data, json_data))
dump(data, json_out, indent=4)
Which gives the following merged.json:
{
"head-param": "foo",
"head-param1": "bar",
"head-sub-param": {
"head-sub-param1": "foo",
"head-sub-param2": "bar"
},
"body": {
"name1": {
"value": "foo",
"option": "bar",
"bar": "bar",
"foo": "foo",
"baz": "baz"
},
"name22": {
"value1": "foo1",
"option1": "bar1",
"bar1": "bar1",
"foo1": "foo1",
"baz1": "baz1"
}
}
}
answered Nov 22 '18 at 11:37
RoadRunnerRoadRunner
11.3k31340
edited Nov 22 '18 at 11:51
answered Nov 22 '18 at 11:37
RoadRunnerRoadRunner
11.3k31340
answered Nov 22 '18 at 11:37
RoadRunnerRoadRunner
11.3k31340
answered Nov 22 '18 at 11:37
RoadRunnerRoadRunner
11.3k31340
11.3k31340
add a comment |
add a comment |
1
You could write a little recursive function:
def update_nested_dict(dict_1, dict_2):
"""Mutate dict_1 by updating it with all values present in dict_2."""
for key, value in dict_2.items():
if key not in dict_1:
# Just add the value to dict_1
dict_1[key] = value
continue
if isinstance(value, dict):
# If this is a dict then let's recurse...
update_nested_dict(dict_1[key], value)
Calling update_nested_dict(json1, json2) mutates json1 to:
{'head-param': 'foo',
'head-param1': 'bar',
'head-sub-param': {'head-sub-param1': 'foo', 'head-sub-param2': 'bar'},
'body': {'name1': {'value': 'foo',
'option': 'bar',
'bar': 'bar',
'foo': 'foo',
'baz': 'baz'},
'name22': {'value1': 'foo1',
'option1': 'bar1',
'bar1': 'bar1',
'foo1': 'foo1',
'baz1': 'baz1'}}}
answered Nov 22 '18 at 12:12
Bernard StockermansBernard Stockermans
315
You've basically implemented in pure Python what the built-indict.update()method would do much more quickly.
– martineau
Nov 22 '18 at 18:12
I don't think that's quite true, unlessdict.updatehas a recursive option?
– Bernard Stockermans
Nov 23 '18 at 16:36
1
Bernard: No,dict.update()doesn't have an option like that—but it doesn't need one. Here's an example with some proof (in addition, of course, to my own answer to this question).
– martineau
Nov 23 '18 at 19:36
add a comment |
1
You could write a little recursive function:
def update_nested_dict(dict_1, dict_2):
"""Mutate dict_1 by updating it with all values present in dict_2."""
for key, value in dict_2.items():
if key not in dict_1:
# Just add the value to dict_1
dict_1[key] = value
continue
if isinstance(value, dict):
# If this is a dict then let's recurse...
update_nested_dict(dict_1[key], value)
Calling update_nested_dict(json1, json2) mutates json1 to:
{'head-param': 'foo',
'head-param1': 'bar',
'head-sub-param': {'head-sub-param1': 'foo', 'head-sub-param2': 'bar'},
'body': {'name1': {'value': 'foo',
'option': 'bar',
'bar': 'bar',
'foo': 'foo',
'baz': 'baz'},
'name22': {'value1': 'foo1',
'option1': 'bar1',
'bar1': 'bar1',
'foo1': 'foo1',
'baz1': 'baz1'}}}
answered Nov 22 '18 at 12:12
Bernard StockermansBernard Stockermans
315
You've basically implemented in pure Python what the built-indict.update()method would do much more quickly.
– martineau
Nov 22 '18 at 18:12
I don't think that's quite true, unlessdict.updatehas a recursive option?
– Bernard Stockermans
Nov 23 '18 at 16:36
1
Bernard: No,dict.update()doesn't have an option like that—but it doesn't need one. Here's an example with some proof (in addition, of course, to my own answer to this question).
– martineau
Nov 23 '18 at 19:36
add a comment |
1
1
1
You could write a little recursive function:
def update_nested_dict(dict_1, dict_2):
"""Mutate dict_1 by updating it with all values present in dict_2."""
for key, value in dict_2.items():
if key not in dict_1:
# Just add the value to dict_1
dict_1[key] = value
continue
if isinstance(value, dict):
# If this is a dict then let's recurse...
update_nested_dict(dict_1[key], value)
Calling update_nested_dict(json1, json2) mutates json1 to:
{'head-param': 'foo',
'head-param1': 'bar',
'head-sub-param': {'head-sub-param1': 'foo', 'head-sub-param2': 'bar'},
'body': {'name1': {'value': 'foo',
'option': 'bar',
'bar': 'bar',
'foo': 'foo',
'baz': 'baz'},
'name22': {'value1': 'foo1',
'option1': 'bar1',
'bar1': 'bar1',
'foo1': 'foo1',
'baz1': 'baz1'}}}
answered Nov 22 '18 at 12:12
Bernard StockermansBernard Stockermans
315
You could write a little recursive function:
def update_nested_dict(dict_1, dict_2):
"""Mutate dict_1 by updating it with all values present in dict_2."""
for key, value in dict_2.items():
if key not in dict_1:
# Just add the value to dict_1
dict_1[key] = value
continue
if isinstance(value, dict):
# If this is a dict then let's recurse...
update_nested_dict(dict_1[key], value)
Calling update_nested_dict(json1, json2) mutates json1 to:
{'head-param': 'foo',
'head-param1': 'bar',
'head-sub-param': {'head-sub-param1': 'foo', 'head-sub-param2': 'bar'},
'body': {'name1': {'value': 'foo',
'option': 'bar',
'bar': 'bar',
'foo': 'foo',
'baz': 'baz'},
'name22': {'value1': 'foo1',
'option1': 'bar1',
'bar1': 'bar1',
'foo1': 'foo1',
'baz1': 'baz1'}}}
answered Nov 22 '18 at 12:12
Bernard StockermansBernard Stockermans
315
answered Nov 22 '18 at 12:12
Bernard StockermansBernard Stockermans
315
answered Nov 22 '18 at 12:12
Bernard StockermansBernard Stockermans
315
answered Nov 22 '18 at 12:12
Bernard StockermansBernard Stockermans
315
315
You've basically implemented in pure Python what the built-indict.update()method would do much more quickly.
– martineau
Nov 22 '18 at 18:12
I don't think that's quite true, unlessdict.updatehas a recursive option?
– Bernard Stockermans
Nov 23 '18 at 16:36
1
Bernard: No,dict.update()doesn't have an option like that—but it doesn't need one. Here's an example with some proof (in addition, of course, to my own answer to this question).
– martineau
Nov 23 '18 at 19:36
add a comment |
You've basically implemented in pure Python what the built-indict.update()method would do much more quickly.
– martineau
Nov 22 '18 at 18:12
I don't think that's quite true, unlessdict.updatehas a recursive option?
– Bernard Stockermans
Nov 23 '18 at 16:36
1
Bernard: No,dict.update()doesn't have an option like that—but it doesn't need one. Here's an example with some proof (in addition, of course, to my own answer to this question).
– martineau
Nov 23 '18 at 19:36
You've basically implemented in pure Python what the built-in
dict.update() method would do much more quickly.– martineau
Nov 22 '18 at 18:12
You've basically implemented in pure Python what the built-in
dict.update() method would do much more quickly.– martineau
Nov 22 '18 at 18:12
I don't think that's quite true, unless
dict.update has a recursive option?– Bernard Stockermans
Nov 23 '18 at 16:36
I don't think that's quite true, unless
dict.update has a recursive option?– Bernard Stockermans
Nov 23 '18 at 16:36
1
1
Bernard: No,
dict.update() doesn't have an option like that—but it doesn't need one. Here's an example with some proof (in addition, of course, to my own answer to this question).– martineau
Nov 23 '18 at 19:36
Bernard: No,
dict.update() doesn't have an option like that—but it doesn't need one. Here's an example with some proof (in addition, of course, to my own answer to this question).– martineau
Nov 23 '18 at 19:36
add a comment |
draft saved
draft discarded
Thanks for contributing an answer to Stack Overflow!
- Please be sure to answer the question. Provide details and share your research!
But avoid …
- Asking for help, clarification, or responding to other answers.
- Making statements based on opinion; back them up with references or personal experience.
To learn more, see our tips on writing great answers.
draft saved
draft discarded
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
StackExchange.ready(
function () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53429414%2fhow-to-merge-json-files%23new-answer', 'question_page');
}
);
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Sign up or log in
StackExchange.ready(function () {
StackExchange.helpers.onClickDraftSave('#login-link');
});
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Sign up using Google
Sign up using Facebook
Sign up using Email and Password
Post as a guest
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
Required, but never shown
