feat: add get_lineage() to Python client - #3104

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feat: add get_lineage() to Python client#3104
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MarquezProject:mainfrom
psaikaushik:feat/1798-add-get-lineage-python-client-v2

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@psaikaushikpsaikaushik commented Apr 15, 2026

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Summary

Adds the missing get_lineage(node_id, depth) method to the Python client, allowing users to fetch the lineage graph for any node directly from Python without resorting to raw curl calls.

Closes#1798 (Python client portion)

What Changed

Added MarquezClient.get_lineage() that calls GET /api/v1/lineage?nodeId=&depth=.

The method follows the same patterns as existing client methods:

  • Input validation (node_id must not be None)
  • Uses DEFAULT_DEPTH (20) when depth is not specified
  • Returns the parsed JSON response

Usage

frommarquez_clientimportMarquezClientclient=MarquezClient(url='http://localhost:8080')
# Get lineage for a datasetlineage=client.get_lineage('dataset:my_namespace:my_dataset')
# Get lineage for a job with custom depthlineage=client.get_lineage('job:my_namespace:my_job', depth=5)

Note

This PR covers the Python client. The Java client portion of #1798 will be a separate PR.

Checklist

  • Follows existing client patterns
  • Includes docstring with node_id format examples
  • Input validation for required parameters
  • DCO sign-off included

@psaikaushik
feat: add get_lineage() to Python client
2a159bf
Add MarquezClient.get_lineage(node_id, depth) method that fetches
the lineage graph for a given node via GET /api/v1/lineage.
The node_id format follows the existing convention:
- For datasets: "dataset:<namespace>:<name>"
- For jobs: "job:<namespace>:<name>"
This was the last missing piece: users could already fetch column
lineage but not the standard lineage graph from the Python client.
ClosesMarquezProject#1798
Signed-off-by: Sai Kaushik Ponnekanti <psaikaushik@gmail.com>
@psaikaushikpsaikaushik mentioned this pull request Apr 15, 2026
Closed
@psaikaushik

psaikaushik commented Apr 15, 2026

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Author

@wslulciuc , @davidjgoss : Can you please take a look and let me know. thanks!

@codecov

codecovBot commented Apr 15, 2026•
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.18%. Comparing base (180f37b) to head (2a159bf).

Additional details and impacted files
@@ Coverage Diff @@## main #3104 +/- ##
=========================================
Coverage 81.18% 81.18% Complexity 1506 1506 =========================================
Files 268 268 Lines 7356 7356 Branches 325 325 =========================================
Hits 5972 5972 Misses 1226 1226 Partials 158 158

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

@psaikaushikpsaikaushik mentioned this pull request Apr 15, 2026
Open
@coderabbitaicoderabbitaiBot mentioned this pull request Jul 29, 2026
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3 tasks
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Add MarquezClient.getLineage() to java and py clients

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@psaikaushik
, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
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Skip to content
feat: add get_lineage() to Python client - #3104
Open
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Open
feat: add get_lineage() to Python client#3104
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Conversation
@psaikaushik
@psaikaushikpsaikaushik
commented
Apr 15, 2026

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Summary
Adds the missing get_lineage(node_id, depth) method to the Python client, allowing users to fetch the lineage graph for any node directly from Python without resorting to raw curl calls.
Closes#1798 (Python client portion)
What Changed
Added MarquezClient.get_lineage() that calls GET /api/v1/lineage?nodeId=&depth=.
The method follows the same patterns as existing client methods:
  • Input validation (node_id must not be None)
  • Uses DEFAULT_DEPTH (20) when depth is not specified
  • Returns the parsed JSON response
Usage
frommarquez_clientimportMarquezClientclient=MarquezClient(url='http://localhost:8080')
# Get lineage for a datasetlineage=client.get_lineage('dataset:my_namespace:my_dataset')
# Get lineage for a job with custom depthlineage=client.get_lineage('job:my_namespace:my_job', depth=5)
Note
This PR covers the Python client. The Java client portion of #1798 will be a separate PR.
Checklist
  •  Follows existing client patterns
  •  Includes docstring with node_id format examples
  •  Input validation for required parameters
  •  DCO sign-off included
@psaikaushik
feat: add get_lineage() to Python client
2a159bf
Add MarquezClient.get_lineage(node_id, depth) method that fetches
the lineage graph for a given node via GET /api/v1/lineage.
The node_id format follows the existing convention:
- For datasets: "dataset:<namespace>:<name>"
- For jobs: "job:<namespace>:<name>"
This was the last missing piece: users could already fetch column
lineage but not the standard lineage graph from the Python client.
ClosesMarquezProject#1798
Signed-off-by: Sai Kaushik Ponnekanti <psaikaushik@gmail.com>
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026
 Closed

@psaikaushik
psaikaushik
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Apr 15, 2026

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Author
@wslulciuc , @davidjgoss : Can you please take a look and let me know. thanks!
@codecov
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commented
Apr 15, 2026•

edited

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Codecov Report
✅ All modified and coverable lines are covered by tests.

✅ Project coverage is 81.18%. Comparing base (180f37b) to head (2a159bf).
Additional details and impacted files
@@ Coverage Diff @@## main #3104 +/- ##
=========================================
Coverage 81.18% 81.18% Complexity 1506 1506 =========================================
Files 268 268 Lines 7356 7356 Branches 325 325 =========================================
Hits 5972 5972 Misses 1226 1226 Partials 158 158 
☔ View full report in Codecov by Harness.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026

Open

@coderabbitaicoderabbitaiBot
mentioned this pull request
Jul 29, 2026
 Merged

3 tasks
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Add MarquezClient.getLineage() to java and py clients


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@psaikaushik

, 'i');
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Skip to content
feat: add get_lineage() to Python client - #3104
Open
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Open
feat: add get_lineage() to Python client#3104
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Conversation
@psaikaushik
@psaikaushikpsaikaushik
commented
Apr 15, 2026

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Summary
Adds the missing get_lineage(node_id, depth) method to the Python client, allowing users to fetch the lineage graph for any node directly from Python without resorting to raw curl calls.
Closes#1798 (Python client portion)
What Changed
Added MarquezClient.get_lineage() that calls GET /api/v1/lineage?nodeId=&depth=.
The method follows the same patterns as existing client methods:
  • Input validation (node_id must not be None)
  • Uses DEFAULT_DEPTH (20) when depth is not specified
  • Returns the parsed JSON response
Usage
frommarquez_clientimportMarquezClientclient=MarquezClient(url='http://localhost:8080')
# Get lineage for a datasetlineage=client.get_lineage('dataset:my_namespace:my_dataset')
# Get lineage for a job with custom depthlineage=client.get_lineage('job:my_namespace:my_job', depth=5)
Note
This PR covers the Python client. The Java client portion of #1798 will be a separate PR.
Checklist
  •  Follows existing client patterns
  •  Includes docstring with node_id format examples
  •  Input validation for required parameters
  •  DCO sign-off included
@psaikaushik
feat: add get_lineage() to Python client
2a159bf
Add MarquezClient.get_lineage(node_id, depth) method that fetches
the lineage graph for a given node via GET /api/v1/lineage.
The node_id format follows the existing convention:
- For datasets: "dataset:<namespace>:<name>"
- For jobs: "job:<namespace>:<name>"
This was the last missing piece: users could already fetch column
lineage but not the standard lineage graph from the Python client.
ClosesMarquezProject#1798
Signed-off-by: Sai Kaushik Ponnekanti <psaikaushik@gmail.com>
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026
 Closed

@psaikaushik
psaikaushik
commented
Apr 15, 2026

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Author
@wslulciuc , @davidjgoss : Can you please take a look and let me know. thanks!
@codecov
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commented
Apr 15, 2026•

edited

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Codecov Report
✅ All modified and coverable lines are covered by tests.

✅ Project coverage is 81.18%. Comparing base (180f37b) to head (2a159bf).
Additional details and impacted files
@@ Coverage Diff @@## main #3104 +/- ##
=========================================
Coverage 81.18% 81.18% Complexity 1506 1506 =========================================
Files 268 268 Lines 7356 7356 Branches 325 325 =========================================
Hits 5972 5972 Misses 1226 1226 Partials 158 158 
☔ View full report in Codecov by Harness.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026

Open

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mentioned this pull request
Jul 29, 2026
 Merged

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Add MarquezClient.getLineage() to java and py clients


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, 'i');
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(function(){
try {
var __m = "*";
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Skip to content
feat: add get_lineage() to Python client - #3104
Open
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Open
feat: add get_lineage() to Python client#3104
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Conversation
@psaikaushik
@psaikaushikpsaikaushik
commented
Apr 15, 2026

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Summary
Adds the missing get_lineage(node_id, depth) method to the Python client, allowing users to fetch the lineage graph for any node directly from Python without resorting to raw curl calls.
Closes#1798 (Python client portion)
What Changed
Added MarquezClient.get_lineage() that calls GET /api/v1/lineage?nodeId=&depth=.
The method follows the same patterns as existing client methods:
  • Input validation (node_id must not be None)
  • Uses DEFAULT_DEPTH (20) when depth is not specified
  • Returns the parsed JSON response
Usage
frommarquez_clientimportMarquezClientclient=MarquezClient(url='http://localhost:8080')
# Get lineage for a datasetlineage=client.get_lineage('dataset:my_namespace:my_dataset')
# Get lineage for a job with custom depthlineage=client.get_lineage('job:my_namespace:my_job', depth=5)
Note
This PR covers the Python client. The Java client portion of #1798 will be a separate PR.
Checklist
  •  Follows existing client patterns
  •  Includes docstring with node_id format examples
  •  Input validation for required parameters
  •  DCO sign-off included
@psaikaushik
feat: add get_lineage() to Python client
2a159bf
Add MarquezClient.get_lineage(node_id, depth) method that fetches
the lineage graph for a given node via GET /api/v1/lineage.
The node_id format follows the existing convention:
- For datasets: "dataset:<namespace>:<name>"
- For jobs: "job:<namespace>:<name>"
This was the last missing piece: users could already fetch column
lineage but not the standard lineage graph from the Python client.
ClosesMarquezProject#1798
Signed-off-by: Sai Kaushik Ponnekanti <psaikaushik@gmail.com>
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026
 Closed

@psaikaushik
psaikaushik
commented
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Author
@wslulciuc , @davidjgoss : Can you please take a look and let me know. thanks!
@codecov
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commented
Apr 15, 2026•

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Codecov Report
✅ All modified and coverable lines are covered by tests.

✅ Project coverage is 81.18%. Comparing base (180f37b) to head (2a159bf).
Additional details and impacted files
@@ Coverage Diff @@## main #3104 +/- ##
=========================================
Coverage 81.18% 81.18% Complexity 1506 1506 =========================================
Files 268 268 Lines 7356 7356 Branches 325 325 =========================================
Hits 5972 5972 Misses 1226 1226 Partials 158 158 
☔ View full report in Codecov by Harness.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026

Open

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Add MarquezClient.getLineage() to java and py clients


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})();
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var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
feat: add get_lineage() to Python client - #3104
Open
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Open
feat: add get_lineage() to Python client#3104
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
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@psaikaushikpsaikaushik
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Apr 15, 2026

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Summary
Adds the missing get_lineage(node_id, depth) method to the Python client, allowing users to fetch the lineage graph for any node directly from Python without resorting to raw curl calls.
Closes#1798 (Python client portion)
What Changed
Added MarquezClient.get_lineage() that calls GET /api/v1/lineage?nodeId=&depth=.
The method follows the same patterns as existing client methods:
  • Input validation (node_id must not be None)
  • Uses DEFAULT_DEPTH (20) when depth is not specified
  • Returns the parsed JSON response
Usage
frommarquez_clientimportMarquezClientclient=MarquezClient(url='http://localhost:8080')
# Get lineage for a datasetlineage=client.get_lineage('dataset:my_namespace:my_dataset')
# Get lineage for a job with custom depthlineage=client.get_lineage('job:my_namespace:my_job', depth=5)
Note
This PR covers the Python client. The Java client portion of #1798 will be a separate PR.
Checklist
  •  Follows existing client patterns
  •  Includes docstring with node_id format examples
  •  Input validation for required parameters
  •  DCO sign-off included
@psaikaushik
feat: add get_lineage() to Python client
2a159bf
Add MarquezClient.get_lineage(node_id, depth) method that fetches
the lineage graph for a given node via GET /api/v1/lineage.
The node_id format follows the existing convention:
- For datasets: "dataset:<namespace>:<name>"
- For jobs: "job:<namespace>:<name>"
This was the last missing piece: users could already fetch column
lineage but not the standard lineage graph from the Python client.
ClosesMarquezProject#1798
Signed-off-by: Sai Kaushik Ponnekanti <psaikaushik@gmail.com>
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026
 Closed

@psaikaushik
psaikaushik
commented
Apr 15, 2026

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Author
@wslulciuc , @davidjgoss : Can you please take a look and let me know. thanks!
@codecov
codecovBot
commented
Apr 15, 2026•

edited

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Codecov Report
✅ All modified and coverable lines are covered by tests.

✅ Project coverage is 81.18%. Comparing base (180f37b) to head (2a159bf).
Additional details and impacted files
@@ Coverage Diff @@## main #3104 +/- ##
=========================================
Coverage 81.18% 81.18% Complexity 1506 1506 =========================================
Files 268 268 Lines 7356 7356 Branches 325 325 =========================================
Hits 5972 5972 Misses 1226 1226 Partials 158 158 
☔ View full report in Codecov by Harness.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026

Open

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mentioned this pull request
Jul 29, 2026
 Merged

3 tasks
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Add MarquezClient.getLineage() to java and py clients


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feat: add get_lineage() to Python client - #3104
Open
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Open
feat: add get_lineage() to Python client#3104
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
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@psaikaushikpsaikaushik
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Summary
Adds the missing get_lineage(node_id, depth) method to the Python client, allowing users to fetch the lineage graph for any node directly from Python without resorting to raw curl calls.
Closes#1798 (Python client portion)
What Changed
Added MarquezClient.get_lineage() that calls GET /api/v1/lineage?nodeId=&depth=.
The method follows the same patterns as existing client methods:
  • Input validation (node_id must not be None)
  • Uses DEFAULT_DEPTH (20) when depth is not specified
  • Returns the parsed JSON response
Usage
frommarquez_clientimportMarquezClientclient=MarquezClient(url='http://localhost:8080')
# Get lineage for a datasetlineage=client.get_lineage('dataset:my_namespace:my_dataset')
# Get lineage for a job with custom depthlineage=client.get_lineage('job:my_namespace:my_job', depth=5)
Note
This PR covers the Python client. The Java client portion of #1798 will be a separate PR.
Checklist
  •  Follows existing client patterns
  •  Includes docstring with node_id format examples
  •  Input validation for required parameters
  •  DCO sign-off included
@psaikaushik
feat: add get_lineage() to Python client
2a159bf
Add MarquezClient.get_lineage(node_id, depth) method that fetches
the lineage graph for a given node via GET /api/v1/lineage.
The node_id format follows the existing convention:
- For datasets: "dataset:<namespace>:<name>"
- For jobs: "job:<namespace>:<name>"
This was the last missing piece: users could already fetch column
lineage but not the standard lineage graph from the Python client.
ClosesMarquezProject#1798
Signed-off-by: Sai Kaushik Ponnekanti <psaikaushik@gmail.com>
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026
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psaikaushik
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Apr 15, 2026

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Author
@wslulciuc , @davidjgoss : Can you please take a look and let me know. thanks!
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Codecov Report
✅ All modified and coverable lines are covered by tests.

✅ Project coverage is 81.18%. Comparing base (180f37b) to head (2a159bf).
Additional details and impacted files
@@ Coverage Diff @@## main #3104 +/- ##
=========================================
Coverage 81.18% 81.18% Complexity 1506 1506 =========================================
Files 268 268 Lines 7356 7356 Branches 325 325 =========================================
Hits 5972 5972 Misses 1226 1226 Partials 158 158 
☔ View full report in Codecov by Harness.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.
@psaikaushikpsaikaushik
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Apr 15, 2026

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Add MarquezClient.getLineage() to java and py clients


1 participant

@psaikaushik

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Skip to content
feat: add get_lineage() to Python client - #3104
Open
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Open
feat: add get_lineage() to Python client#3104
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Conversation
@psaikaushik
@psaikaushikpsaikaushik
commented
Apr 15, 2026

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Summary
Adds the missing get_lineage(node_id, depth) method to the Python client, allowing users to fetch the lineage graph for any node directly from Python without resorting to raw curl calls.
Closes#1798 (Python client portion)
What Changed
Added MarquezClient.get_lineage() that calls GET /api/v1/lineage?nodeId=&depth=.
The method follows the same patterns as existing client methods:
  • Input validation (node_id must not be None)
  • Uses DEFAULT_DEPTH (20) when depth is not specified
  • Returns the parsed JSON response
Usage
frommarquez_clientimportMarquezClientclient=MarquezClient(url='http://localhost:8080')
# Get lineage for a datasetlineage=client.get_lineage('dataset:my_namespace:my_dataset')
# Get lineage for a job with custom depthlineage=client.get_lineage('job:my_namespace:my_job', depth=5)
Note
This PR covers the Python client. The Java client portion of #1798 will be a separate PR.
Checklist
  •  Follows existing client patterns
  •  Includes docstring with node_id format examples
  •  Input validation for required parameters
  •  DCO sign-off included
@psaikaushik
feat: add get_lineage() to Python client
2a159bf
Add MarquezClient.get_lineage(node_id, depth) method that fetches
the lineage graph for a given node via GET /api/v1/lineage.
The node_id format follows the existing convention:
- For datasets: "dataset:<namespace>:<name>"
- For jobs: "job:<namespace>:<name>"
This was the last missing piece: users could already fetch column
lineage but not the standard lineage graph from the Python client.
ClosesMarquezProject#1798
Signed-off-by: Sai Kaushik Ponnekanti <psaikaushik@gmail.com>
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026
 Closed

@psaikaushik
psaikaushik
commented
Apr 15, 2026

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Author
@wslulciuc , @davidjgoss : Can you please take a look and let me know. thanks!
@codecov
codecovBot
commented
Apr 15, 2026•

edited

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Codecov Report
✅ All modified and coverable lines are covered by tests.

✅ Project coverage is 81.18%. Comparing base (180f37b) to head (2a159bf).
Additional details and impacted files
@@ Coverage Diff @@## main #3104 +/- ##
=========================================
Coverage 81.18% 81.18% Complexity 1506 1506 =========================================
Files 268 268 Lines 7356 7356 Branches 325 325 =========================================
Hits 5972 5972 Misses 1226 1226 Partials 158 158 
☔ View full report in Codecov by Harness.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026

Open

@coderabbitaicoderabbitaiBot
mentioned this pull request
Jul 29, 2026
 Merged

3 tasks
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Add MarquezClient.getLineage() to java and py clients


1 participant

@psaikaushik

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Skip to content
feat: add get_lineage() to Python client - #3104
Open
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Open
feat: add get_lineage() to Python client#3104
psaikaushik wants to merge 1 commit into
MarquezProject:mainfrom 
psaikaushik:feat/1798-add-get-lineage-python-client-v2
Conversation
@psaikaushik
@psaikaushikpsaikaushik
commented
Apr 15, 2026

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Summary
Adds the missing get_lineage(node_id, depth) method to the Python client, allowing users to fetch the lineage graph for any node directly from Python without resorting to raw curl calls.
Closes#1798 (Python client portion)
What Changed
Added MarquezClient.get_lineage() that calls GET /api/v1/lineage?nodeId=&depth=.
The method follows the same patterns as existing client methods:
  • Input validation (node_id must not be None)
  • Uses DEFAULT_DEPTH (20) when depth is not specified
  • Returns the parsed JSON response
Usage
frommarquez_clientimportMarquezClientclient=MarquezClient(url='http://localhost:8080')
# Get lineage for a datasetlineage=client.get_lineage('dataset:my_namespace:my_dataset')
# Get lineage for a job with custom depthlineage=client.get_lineage('job:my_namespace:my_job', depth=5)
Note
This PR covers the Python client. The Java client portion of #1798 will be a separate PR.
Checklist
  •  Follows existing client patterns
  •  Includes docstring with node_id format examples
  •  Input validation for required parameters
  •  DCO sign-off included
@psaikaushik
feat: add get_lineage() to Python client
2a159bf
Add MarquezClient.get_lineage(node_id, depth) method that fetches
the lineage graph for a given node via GET /api/v1/lineage.
The node_id format follows the existing convention:
- For datasets: "dataset:<namespace>:<name>"
- For jobs: "job:<namespace>:<name>"
This was the last missing piece: users could already fetch column
lineage but not the standard lineage graph from the Python client.
ClosesMarquezProject#1798
Signed-off-by: Sai Kaushik Ponnekanti <psaikaushik@gmail.com>
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026
 Closed

@psaikaushik
psaikaushik
commented
Apr 15, 2026

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Author
@wslulciuc , @davidjgoss : Can you please take a look and let me know. thanks!
@codecov
codecovBot
commented
Apr 15, 2026•

edited

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Codecov Report
✅ All modified and coverable lines are covered by tests.

✅ Project coverage is 81.18%. Comparing base (180f37b) to head (2a159bf).
Additional details and impacted files
@@ Coverage Diff @@## main #3104 +/- ##
=========================================
Coverage 81.18% 81.18% Complexity 1506 1506 =========================================
Files 268 268 Lines 7356 7356 Branches 325 325 =========================================
Hits 5972 5972 Misses 1226 1226 Partials 158 158 
☔ View full report in Codecov by Harness.

📢 Have feedback on the report? Share it here.
 🚀 New features to boost your workflow: 
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.
@psaikaushikpsaikaushik
mentioned this pull request
Apr 15, 2026

Open

@coderabbitaicoderabbitaiBot
mentioned this pull request
Jul 29, 2026
 Merged

3 tasks
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Add MarquezClient.getLineage() to java and py clients


1 participant

@psaikaushik