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* gn3/db/sample_data.py (get_sample_data_ids): Re-use "delete_sample_data" and
"insert_sample_data" when updating data; and also add logic for updating
modified data.
* tests/unit/db/test_sample_data.py: Add tests for the above.
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* gn3/db/sample_data.py (__extract_actions): An update on a vector of data can
contain: inserts, deletes and updates. This functions extracts these actions
during an update.
* tests/unit/db/test_sample_data.py (test_extract_actions): Add test-case for
the above.
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* gn3/db/sample_data.py (insert_sample_data)[__insert_data]: Move check to the
main body. With this check here, you have 3 redundant checks. For a successful
insert, it will insert the first value to the `PublishData` table and ignore the
rest of the inserts.
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* gn3/db/sample_data.py: Now constant, `_MAP`.
(delete_sample_data)[__delete_data]: Replace `_map` with `_MAP`.
(insert_sample_data)[__insert_data]: Ditto.
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* gn3/db/sample_data.py (insert_sample_data): Use correct query string. Also,
use CaseAttributeId to determine whether case-attributes were inserted. If so,
do not attempt an insert.
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* gn3/db/sample_data.py (insert_sample_data)[__insert_case_attribute]: Remove
extra parameters.
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* gn3/db/sample_data.py (insert_sample_data): If data already exists in the
table, do not attempt an insert; otherwise, an error will be generated.
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* gn3/csvcmp.py (fill_csv): Update this function to allow empty lists to be
filled with the default value(set in the args).
* tests/unit/test_csvcmp.py (test_fill_csv): Update test to capture above.
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* gn3/db/sample_data (get_sample_data_ids): Add an extra condition that caters
for inserts: during inserts, joins won't work when fetching the strain_id,
publishdata_id, and strain_name. In this case, just create 2 separate queries
to do that work.
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* gn3/csvcmp.py (extract_strain_name): New function.
* gn3/db/sample_data (delete_sample_data): Use the aforementioned function.
(insert_sample_data): Ditto.
* tests/unit/test_csvcmp: Test cases for above.
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* gn3/db/sample_data.py (delete_sample_data): Modify this function to allow
deleting case-attribute values.
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* gn3/db/sample_data.py (insert_sample_data): Modify this function to allow
inserting case-attribute values.
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* gn3/db/sample_data.py (get_sample_data_ids): Extend to also fetch
InbredSetId.
(update_sample_data): Discard the returned value of InbredSetId.
(delete_sample_data): Ditto.
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* gn3/db/sample_data.py: Import Any, Tuple.
(get_sample_data_ids): New function that fetches the strain_id and
publishdata_id of a given data point.
(update_sample_data): Use `get_sample_data_ids`.
(delete_sample_data): Ditto.
(insert_sample_data): Ditto.
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gn3/csvcmp.py (csv_diff): If the diff is empty, don't add an extra key
"Column" to the dictionary.
tests/unit/test_csvcmp (test_csv_diff_only_column_change): Add test-case for
the above.
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Should you try to run `csvdiff` against 2 csv files with either file having a
non-even columns, there will be an error. As such, the csv files need to be
"filled" before running `csvdiff`.
* gn3/csvcmp (csv_diff): For non-even rows in the csv files, fill the csv
rows.
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* gn3/csvcmp.py (fill_csv): Given a csv text with uneven or incomplete fields
whole length are less than width, fill them with a value which defaults to
"x".
* tests/unit/test_csvcmp.py (test_fill_csv): Test cases for the above.
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* gn3/csvcmp.py (remove_insignificant_edits): "all" evaluates all elements and
throws an error if when `abs(float(x) - float(y)) < epsilon` is processed. Use
"and" instead because of it's short-circuiting behaviour.
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When inserting, deleting, or editing case-attributes, we need the column
headers in order to be able to know identify the attribute of interest.
* gn3/csvcmp.py (csv_diff): Add extra "Column" key in returned dict.
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gn3/csvcmp.py: New file
(create_dirs_if_not_exists): From a list of dirs, create them if they don't
exist.
(remove_insignificant_edits): Given a dict with a "Modification" key, remove
edits with "delta < ε".
(csv_diff): Generate a csv_diff using the "csvdiff" tool packaged in guix.
tests/unit/test_csvcmp.py: Add some tests for "gn3/csvcmp.py"
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* gn3/db/traits.py (get_trait_csv_sample_data): Update SQL to fix runtime
errors.
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* gn3/db/traits.py (get_trait_csv_sample_data): Fetch case attribute data if
it exists.
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This reverts commit 710769e84b3bc6a2bdd66effdbac0659272ed511.
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Fix some issues caught by tests due to changes introducing the hand-off of the
partial correlations computations to an external process
Fix some issues due to the changes that introduce context managers for
database connections
Update some tests to take the above two changes into consideration
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Use the `with` context manager to open database connections, so as to ensure
that those connections are closed once the call is completed. This hopefully
avoids the 'too many connections' error
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Long-running computations are handed off to external processes. This avoids
timeouts in the webserver, and also reduces chances of instability of the
webserver.
The results of these long-running computations are needed eventually, so this
commit provides a way to check for the state of the computation, and the
results if any.
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Run the partial correlations code in an external python process decoupling it
from the server and making it asynchronous.
Summary of changes:
* gn3/api/correlation.py:
- Remove response processing code
- Queue partial corrs processing
- Create new endpoint to get results
* gn3/commands.py
- Compose the pcorrs command to be run in an external process
- Enable running of subprocess commands with list args
* gn3/responses/__init__.py: new module indicator file
* gn3/responses/pcorrs_responses.py: Hold response processing code extracted
from ~gn3.api.correlations.py~ file
* scripts/partial_correlations.py: CLI script to process the pcorrs
* sheepdog/worker.py:
- Add the *genenetwork3* path at the beginning of the ~sys.path~ list to
override any GN3 in the site-packages
- Add any environment variables to be set for the command to be run
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correlations
In the original version of the if statement* I believe it was
interpreted as "if a_val and (b_val is not None)". This caused
values of 0 for a_val (the primary trait's values) to be evaluated as
False.
I changed it to compare both a_val and b_val to None. This seems to have
fixed the issue.
* if (a_val and b_val is not None)
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Context managers should be preferred when allocating resources.
* gn3/computations/wgcna.py (stream_cmd_output): Call Popen with context
manager.
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When the encoding is not specified explicitly, the system default encoding is
used. This is not recommended.
* gn3/computations/ctl.py (call_ctl_script),
gn3/computations/gemma.py (generate_pheno_txt_file),
gn3/computations/parsers.py (parse_genofile),
gn3/computations/partial_correlations.py (partial_correlations_fast),
gn3/computations/rqtl.py (process_rqtl_output, process_perm_output),
gn3/computations/wgcna.py (dump_wgcna_data, call_wgcna_script),
gn3/fs_helpers.py (jsonfile_to_dict): Explicitly specify UTF-8 to be the file
encoding.
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tests/unit/computations/test_gemma.py (TestGemma.test_generate_pheno_txt_file),
tests/unit/computations/test_wgcna.py (TestWgcna.test_create_json_file): Test
for call to open with encoding='utf-8' argument.
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* Use `with` in place of plain `open`
* Use f-strings in place of `str.format()`
* Remove string interpolation from queries - provide data as query parameters
* other minor fixes
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Test that the partial correlations endpoint handles a mix of existing and
non-existing control traits gracefully and issues a warning to the user.
Summary of changes:
* gn3/computations/partial_correlations.py: Issue a warning for all
non-existing control traits
* gn3/db/partial_correlations.py: update queries - use `INNER JOIN` for tables
instead of comma-separated list of tables
* tests/integration/conftest.py: Add `db_conn` fixture to provide a database
connection to the tests. This will probably be changed in the future to
connect to a temporary database for tests.
* tests/integration/test_partial_correlations.py: Add test to check for
correct behaviour with a mix of existing and non-existing control traits
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Test that if the endpoint is queried and not a single one of the control
traits exists in the database, then the endpoint will respond with a
404 (not-found) status code.
Summary of changes:
* gn3/computations/partial_correlations.py: Check whether any control trait is
found. If none is found, return "not-found" message.
* gn3/db/partial_correlations.py: Fix bug in Geno query.
* tests/integration/test_partial_correlations.py: Add test for non-existing
control traits. Rename function to make it clearer what it is testing
for. Remove obsoleted comments.
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The code was migrated from GN1 with a faulty assumption that all trait types
have a corresponding `*Freeze` table in the database. This assumption is not
true for the `Temp` traits.
This commit removes the buggy code.
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Test that the partial correlations endpoint responds with an appropriate
"not-found" message and the corresponding 404 status code in the case where a
request is made and the primary trait requested for does not exist in the
database.
Summary of the changes in each file:
* gn3/api/correlation.py: generalise the building of the response
* gn3/computations/partial_correlations.py: return with a "not-found" if the
primary trait does not exist in the database
* gn3/db/partial_correlations.py: Fix a number of bugs that led to exceptions
in the case that the primary trait did not exist
* pytest.ini: register a `slow` pytest marker
* tests/integration/test_partial_correlations.py: Add a new test to check for
an appropriate 404 response in case of a primary trait that does not exist
in the database.
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Add a test for the partial correlations endpoint, with:
- no data in the request
- missing items in the data
Fix the bugs caught by the test
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Add property tests using pytest and hypothesis to test that the expected
properties hold for the
`gn3.computations.partial_correlations.dictify_by_samples`
function.
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Do all the work in a single iteration to avoid unnecessary iterations that
hamper performance.
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Web servers are long-running processes, and python is not very good at
cleaning up after itself especially in forked processes - this leads to memory
errors in the web-server after a while.
This commit removes the use of multiprocessing to avoid such failures.
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