mahmoud/glom

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☄️ Python's nested data operator (and CLI), for all your declarative restructuring needs. Got data? Glom it! ☄️

Stars: 2.2k
Forks: 86
Open beginner issues: 0
Indexed issues: 100

Dominant language: Python
License: No license data
Last GitHub push: Sep 8, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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100 open issues indexed

`glom()` on self-referential target dicts triggers `RecursionError` Open

Difficulty 4/5 3-5 days Newbie friendliness 56/100

mahmoud/glom#315 · Opened Jul 31, 2026
`glom.Path.__eq__` silently mutates the `other` argument Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

mahmoud/glom#314 · 2 comments · Opened Jul 31, 2026
`glom.glom()` silently mutates the `spec` argument Open

Difficulty 4/5 3-5 days Newbie friendliness 62/100

mahmoud/glom#313 · 2 comments · Opened Jul 31, 2026
`glom.reduction.flatten` hangs with large `levels` parameter Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

mahmoud/glom#312 · Opened Jul 31, 2026
Fill array from fields around Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#293 · Opened Oct 21, 2025
Async Support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#291 · Opened Jul 4, 2025
how to deal this data Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

mahmoud/glom#287 · 2 comments · Opened Nov 8, 2024
Recursive Delete-If-Empty? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

mahmoud/glom#273 · 6 comments · 1 reaction · Opened Nov 6, 2023
Inspect output is not clear Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

mahmoud/glom#267 · 1 comment · Opened Sep 19, 2023
Question, how to pull items into an array in a spec? Open

Difficulty 2/5 1-3 hours Newbie friendliness 30/100

mahmoud/glom#260 · 4 comments · Opened Apr 28, 2023
Scope usage changes from v22 to v23 Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mahmoud/glom#259 · 7 comments · Opened Apr 25, 2023
Recurive wildcard produces a StopIteration exception when called on objects containing iterators Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mahmoud/glom#254 · 2 comments · Opened Feb 6, 2023
Feature Discussion: More granular `skip_exc` in `Coalesce` Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#253 · 2 comments · Opened Feb 6, 2023
Extract nodes from json based on user input preserveing a portion of the higher level object as well Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#247 · 1 comment · Opened Nov 18, 2022
Inconsistent Delete Behavior Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

mahmoud/glom#246 · 5 comments · Opened Nov 10, 2022
glom.grouping is super useful actually Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

mahmoud/glom#245 · 1 comment · Opened Oct 26, 2022
Match report-many-errors for APIs and unit tests Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

mahmoud/glom#244 · 2 comments · Opened Aug 15, 2022
non-determinstic behavior on dict-like objects with attributes Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

mahmoud/glom#243 · 4 comments · 1 reaction · Opened Aug 15, 2022
document advanced glomming Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mahmoud/glom#241 · 1 comment · 1 reaction · Opened Jul 5, 2022
OSS-Fuzz continuous fuzzing integration Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mahmoud/glom#240 · Opened May 24, 2022
Global options for missing values Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#239 · 1 comment · Opened Apr 13, 2022
add support for python 3.9+ type specifiers to match Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mahmoud/glom#236 · Opened Feb 9, 2022
Inconsistent behaviour between attributes/keys after release 22.1.0 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mahmoud/glom#233 · 5 comments · Opened Jan 27, 2022
Memo spec proposal Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

mahmoud/glom#229 · 1 comment · Opened Nov 12, 2021
assign with coalesce [question] Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#226 · 5 comments · Opened Sep 25, 2021
How can I use glom to pick out zero, one, or more, array elements with a key that must match a value, and how to load this spec from file Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

mahmoud/glom#225 · 4 comments · Opened Aug 25, 2021
When assigning, how to generate a different `missing` structure based on path type? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

mahmoud/glom#224 · 4 comments · 2 reactions · Opened Jul 23, 2021
[s1, s2, s3, ...] as spec should be equivalent to [(s1, s2, s3, ...)] Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

mahmoud/glom#220 · 1 comment · Opened Apr 25, 2021
Remove all paths by value Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#219 · Opened Apr 25, 2021
How is Fill supposed to operate? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#218 · 7 comments · Opened Apr 25, 2021
Match with callables is undocumented and inconsistent with the rest of glom Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mahmoud/glom#217 · 4 comments · Opened Apr 25, 2021
Use case for arg-mode Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#213 · Opened Mar 9, 2021
Or() kwarg -- errors= Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

mahmoud/glom#212 · Opened Mar 9, 2021
Using glom to concatenate two keys ? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

mahmoud/glom#211 · 1 comment · Opened Feb 18, 2021
Use glom to extract subset of nested dict Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#210 · Opened Jan 18, 2021
Can't seem to read a 3rd level Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

mahmoud/glom#209 · Opened Jan 3, 2021
Getting a non-manipulated subset, including or omitting keys Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

mahmoud/glom#208 · 4 comments · Opened Dec 21, 2020
How to access more than one field without creating a dict? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mahmoud/glom#207 · 1 comment · Opened Nov 19, 2020
Add documentation with jq/jsonpath-like examples Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mahmoud/glom#204 · 1 reaction · Opened Oct 21, 2020
scope -> virtual_machine + frames Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#203 · 2 comments · Opened Oct 14, 2020
First() isn't very discoverable Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

mahmoud/glom#202 · Opened Oct 3, 2020
T doesn't change context when called in different scopes Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#201 · 2 comments · Opened Sep 28, 2020
better target-path Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#199 · 1 comment · Opened Sep 15, 2020
Should Ref() freeze mode at glomtime? Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

mahmoud/glom#197 · 1 comment · Opened Aug 29, 2020
list spec preserve laziness / generator-ness of target Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#194 · Opened Aug 17, 2020
coalesce-along-list Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

mahmoud/glom#192 · 6 comments · Opened Aug 14, 2020
targeted memoization structure for self-recursive structures Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

mahmoud/glom#186 · Opened Aug 9, 2020
Iter filter(), dropwhile(), takewhile() work with match? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mahmoud/glom#182 · Opened Aug 3, 2020
proofreading 20.7.0 docs Open

Difficulty 1/5 Under an hour Newbie friendliness 35/100

mahmoud/glom#180 · 13 comments · Opened Aug 1, 2020
investigating memory usage Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mahmoud/glom#179 · 2 comments · Opened Jul 31, 2020

mahmoud/glom

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