Modifying the `shard_num` read for templates to indicate that `data_path` flag needs to be passed as an integer #1037

theakshaypant · 2024-08-26T07:32:43Z

Description

This is a documentation patch.
Currently, docs seem to show data_path to be an optional flag. But for the specific example, it is mandatory. This PR makes the mention explicit.

In addition, a guardrail to expect data_path as a shard number is added in all affected tutorials.

PR Changes

Updated the docs to represent that data_path is not an optional parameter for the tutorial.
Adds a detailed error message if the shard_num is not an integer value.
This change is made in the following templates:
- keras_cnn_mnist
- keras_cnn_with_compression
- torch_cnn_histology
- torch_cnn_histology_gramine_ready
- torch_cnn_mnist
- torch_cnn_mnist_eden_compression
- torch_cnn_mnist_fed_eval
- torch_cnn_mnist_straggler_check
- torch_unet_kvasir
- torch_unet_kvasir_gramine_ready

MasterSkepticista

I think extracting first integer from the string is a dangerous assumption. From my understanding, those data paths (e.g. data/c1 or data/collab2) are not actual locations on disk (beyond the fact that user may also provide data/100shards/shard0, wherein this regex will fail).

In this case, try casting data_path to int or raise a ValueError that asks user to pass shard ID in the -d <shard_num> format, since data path does not mean anything in this example.

theakshaypant · 2024-08-26T09:16:44Z

I think extracting first integer from the string is a dangerous assumption. From my understanding, those data paths (e.g. data/c1 or data/collab2) are not actual locations on disk (beyond the fact that user may also provide data/100shards/shard0, wherein this regex will fail).

In this case, try casting data_path to int or raise a ValueError that asks user to pass shard ID in the -d <shard_num> format, since data path does not mean anything in this example.

Added exception handling when reading shard number from data path in 57809a6.
Removed the optional tag with data path in the docs in 70fe34a.

openfl-workspace/keras_cnn_mnist/src/tfmnist_inmemory.py

MasterSkepticista

Change the scope of try...except block

MasterSkepticista · 2024-08-27T04:31:43Z

@theakshaypant Please rebase your branch with develop. PKI test needs to pass.

openfl-workspace/keras_cnn_mnist/src/tfmnist_inmemory.py

MasterSkepticista

LGTM

Signed-off-by: Pant, Akshay <[email protected]>

… shard num Signed-off-by: Pant, Akshay <[email protected]>

…ing it leads to an error when starting the collaborator for some templates Signed-off-by: Pant, Akshay <[email protected]>

…int) before loading dataset Signed-off-by: Pant, Akshay <[email protected]>

Signed-off-by: Pant, Akshay <[email protected]>

…o akshay/fix-read_shard_from_default_path

Signed-off-by: Pant, Akshay <[email protected]>

teoparvanov

LGTM, with a couple of comments

teoparvanov · 2024-10-17T07:03:56Z

docs/about/features_index/taskrunner.rst

-       $ fx collaborator create -n {COL_LABEL} -d {DATA_PATH:optional}
+       $ fx collaborator create -n {COL_LABEL} -d {DATA_PATH}


In general, the entire -d {DATA_PATH} should be an optional parameter, to cover cases where the data path is already set in data.yaml as part of the FL plan creation. Not sure what the :optional refers to here though - is it just for the DATA_PATH? If so, then your suggestion is correct. If not, we should leave the documentation as is.

In some examples (the ones modified by this PR), data path represents the shard number to be used for that collaborators. When we use the default value default_data_path = f"data/{collaborator_name}", an error is encountered when starting the collaborator is started.

Data = {'c1': 'data/c1', 'c2': 'data/c2'} INFO 🧿 Starting a Collaborator Service. collaborator.py:99 INFO Building `src.dataloader.PyTorchMNISTInMemory` Module. plan.py:228 EXCEPTION : invalid literal for int() with base 10: 'data/c1' Traceback (most recent call last): File "/root/openfl-maestro/bin/fx", line 8, in <module> sys.exit(entry()) File "/root/openfl-maestro/lib/python3.8/site-packages/openfl/interface/cli .py", line 328, in entry error_handler(e) File "/root/openfl-maestro/lib/python3.8/site-packages/openfl/interface/cli .py", line 246, in error_handler raise error File "/root/openfl-maestro/lib/python3.8/site-packages/openfl/interface/cli .py", line 326, in entry cli(max_content_width=120) File "/root/openfl-maestro/lib/python3.8/site-packages/click/core.py", line 1157, in __call__ return self.main(*args, **kwargs) File "/root/openfl-maestro/lib/python3.8/site-packages/click/core.py", line 1078, in main rv = self.invoke(ctx) File "/root/openfl-maestro/lib/python3.8/site-packages/click/core.py", line 1688, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/root/openfl-maestro/lib/python3.8/site-packages/click/core.py", line 1688, in invoke return _process_result(sub_ctx.command.invoke(sub_ctx)) File "/root/openfl-maestro/lib/python3.8/site-packages/click/core.py", line 1434, in invoke return ctx.invoke(self.callback, **ctx.params) File "/root/openfl-maestro/lib/python3.8/site-packages/click/core.py", line 783, in invoke return __callback(*args, **kwargs) File "/root/openfl-maestro/lib/python3.8/site-packages/openfl/interface/col laborator.py", line 101, in start_ plan.get_collaborator(collaborator_name).run() File "/root/openfl-maestro/lib/python3.8/site-packages/openfl/federated/pla n/plan.py", line 601, in get_collaborator data_loader = self.get_data_loader(collaborator_name) File "/root/openfl-maestro/lib/python3.8/site-packages/openfl/federated/pla n/plan.py", line 453, in get_data_loader self.loader_ = Plan.build(**defaults) File "/root/openfl-maestro/lib/python3.8/site-packages/openfl/federated/pla n/plan.py", line 235, in build instance = getattr(module, class_name)(**settings) File "/home/akshay/akshay/src/dataloader.py", line 30, in __init__ shard_num=int(data_path), **kwargs ValueError: invalid literal for int() with base 10: 'data/c1'

Hence at the time of creating this PR, I suggested modifying the documentation to remove the "optional" for DATA_PATH.
We can keep the documentation as is with a more descriptive error message in the example as you suggested in another comment.

Reverted change in aae8185.

teoparvanov · 2024-10-17T07:06:32Z

openfl-workspace/torch_cnn_histology/src/dataloader.py

+        try:
+            int(data_path)
+        except:
+            raise ValueError("Expected `%s` to be representable as `int`.", data_path)


In the error message, specify that this is for the shard number for the given collaborator.

Addressed in ca90679.

teoparvanov · 2024-10-17T07:06:55Z

openfl-workspace/torch_cnn_histology_gramine_ready/src/pthistology_inmemory.py

+        try:
+            int(data_path)
+        except:
+            raise ValueError("Expected `%s` to be representable as `int`.", data_path)


Same comment here, and for the other ValueError instances throughout the PR

Addressed in ca90679.

openfl-workspace/torch_unet_kvasir/src/data_loader.py

…o akshay/fix-read_shard_from_default_path

Signed-off-by: Pant, Akshay <[email protected]>

MasterSkepticista self-assigned this Aug 26, 2024

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theakshaypant changed the title ~~Modifying the shard_num parameter to support default_data_path value~~ Modifying the shard_num read for templates to indicate that data_path flag needs to be passed as an integer Aug 26, 2024

MasterSkepticista reviewed Aug 26, 2024

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theakshaypant added 5 commits August 27, 2024 10:33

fix(workspaces): reading shard number from default path

6c39bb9

Signed-off-by: Pant, Akshay <[email protected]>

fix(workspaces): added valueerror handling where data path represents…

ab9884e

… shard num Signed-off-by: Pant, Akshay <[email protected]>

fix(docs): removed optional from collaborator create command as omitt…

aded759

…ing it leads to an error when starting the collaborator for some templates Signed-off-by: Pant, Akshay <[email protected]>

fix(openfl-workspaces): added type check for data path as shard num (…

93e8d9c

…int) before loading dataset Signed-off-by: Pant, Akshay <[email protected]>

fix(openfl-workspaces): changed error message for ValueError

c6e35bf

Signed-off-by: Pant, Akshay <[email protected]>

theakshaypant force-pushed the akshay/fix-read_shard_from_default_path branch from 3035e0e to c6e35bf Compare August 27, 2024 05:05

MasterSkepticista requested a review from psfoley August 27, 2024 05:56

Merge branch 'develop' of https://github.com/theakshaypant/openfl int…

5b4dbc3

…o akshay/fix-read_shard_from_default_path

theakshaypant requested a review from teoparvanov October 17, 2024 06:14

restructure: linter changes

7062391

Signed-off-by: Pant, Akshay <[email protected]>

teoparvanov approved these changes Oct 17, 2024

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teoparvanov reviewed Oct 17, 2024

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openfl-workspace/torch_unet_kvasir/src/data_loader.py Outdated Show resolved Hide resolved

theakshaypant added 3 commits November 4, 2024 12:42

Merge branch 'develop' of https://github.com/theakshaypant/openfl int…

4c96e86

…o akshay/fix-read_shard_from_default_path

fix(task runner examples): add a more descriptive error message

ca90679

Signed-off-by: Pant, Akshay <[email protected]>

fix(task runner docs): revert to DATA_PATH being optional

aae8185

Signed-off-by: Pant, Akshay <[email protected]>

theakshaypant requested a review from teoparvanov November 5, 2024 05:20

rahulga1 merged commit 1fad044 into securefederatedai:develop Nov 5, 2024
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Modifying the `shard_num` read for templates to indicate that `data_path` flag needs to be passed as an integer #1037

Modifying the `shard_num` read for templates to indicate that `data_path` flag needs to be passed as an integer #1037

theakshaypant commented Aug 26, 2024 •

edited by MasterSkepticista

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		$ fx collaborator create -n {COL_LABEL} -d {DATA_PATH:optional}
		$ fx collaborator create -n {COL_LABEL} -d {DATA_PATH}

Modifying the shard_num read for templates to indicate that data_path flag needs to be passed as an integer #1037

Modifying the shard_num read for templates to indicate that data_path flag needs to be passed as an integer #1037

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Modifying the `shard_num` read for templates to indicate that `data_path` flag needs to be passed as an integer #1037

Modifying the `shard_num` read for templates to indicate that `data_path` flag needs to be passed as an integer #1037

theakshaypant commented Aug 26, 2024 •

edited by MasterSkepticista

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