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966 Commits

Author SHA1 Message Date
Taus Brock-Nannestad
7f3c6acd08 Python: Handle class attribute references in API graph 
This is slightly dubious, and should really be in the currently
unimplemented "def" counterpart to the "use" bits we already have.

However, it seems to work correctly, and in the spirit of moving
things along, this seemed like the easier solution. We can always
replace the implementation with the "proper" approach at a later point.
 2021-02-05 21:54:35 +01:00
Taus Brock-Nannestad
ef600575ca Python: Add API graph support for subclasses 2021-02-05 16:52:58 +01:00
yoff
7fef1a8817 Merge pull request #5069 from tausbn/python-api-graphs 
Python: Add support for API graphs
 2021-02-05 13:17:09 +01:00
Taus Brock-Nannestad
f6e1ea5b2a Python: Fix missing global variable source nodes 
In lieu of removing the offending flow (which would likely have
consequences for a lot of other tests), I opted to simply _include_
the relevant nodes directly.
 2021-02-04 18:07:13 +01:00
Taus Brock-Nannestad
2524f23a46 Python: Add more test cases 
There is now a bit of redundancy in the tests, but I thought it useful
to actually include some of the cases called out explicitly in the
documentation, so as to make it easy to see that the code actually
does what we expect (in these cases, anyway).
 2021-02-04 18:05:33 +01:00
Taus
634041d2d7 Merge pull request #5047 from yoff/python-dataflow-unpacking-unifying-experiments 
Python: dataflow, unify iterated unpacking
 2021-02-04 12:57:43 +01:00
Taus
4627799c93 Python: Fix more typos 
Co-authored-by: Rasmus Wriedt Larsen <rasmuswriedtlarsen@gmail.com>
 2021-02-04 12:41:17 +01:00
Taus
e5ec1e105c Python: Fix typos in test files 
Co-authored-by: yoff <lerchedahl@gmail.com>
 2021-02-04 12:18:07 +01:00
Rasmus Wriedt Larsen
ac0f2d37db Python: Fix small typo in test-output 
Spotted by yoff in https://github.com/github/codeql/pull/5069#discussion_r570063207
 2021-02-04 12:11:20 +01:00
Taus Brock-Nannestad
5974af661e Python: Update test file 
Makes the `a.b.c.d` test more sensible.

Also adds a test that shows a case where we're currently _not_ getting
the right flow.
 2021-02-03 22:43:21 +01:00
Rasmus Lerchedahl Petersen
a7ca065411 Python: Fix ForTarget 2021-02-03 22:14:15 +01:00
Taus Brock-Nannestad
e4c3544a3f Python: Add support for from foo.bar import baz 
This turned out to be fairly simple. Given an import such as
```python
from foo.bar.baz import quux
```
we create an API-graph node for each valid dotted prefix of
`foo.bar.baz`, i.e. `foo`, `foo.bar`, and `foo.bar.baz`. For these, we
then insert nodes in the API graph, such that `foo` steps to `foo.bar`
along an edge labeled `bar`, etc.

Finally, we only allow undotted names to hang off of the API-graph
root. Thus, `foo` will have a `moduleImport` edge off of the root, and
a `getMember` edge for `bar` (which in turn has a `getMember` edge for
`baz`).

Relative imports are explicitly ignored.

Finally, this commit also adds inline tests for a variety of ways of
importing modules, including a copy of the "import-helper" tests (with
a few modifications to allow a single annotation per line, as these
get rather long quickly!).
 2021-02-02 21:59:33 +01:00
Rasmus Wriedt Larsen
e57e4e1916 Merge branch 'main' into port-url-redirect-query 2021-02-02 13:37:34 +01:00
Rasmus Wriedt Larsen
d046e39a82 Python: Fix tornado inline expectations in tests 
After merge commit
 2021-02-02 12:04:24 +01:00
yoff
b92af8bcec Merge pull request #5042 from RasmusWL/django-more-view-classes 
Python: Add full-path modeling of Django more view classes
 2021-02-01 17:33:29 +01:00
Rasmus Wriedt Larsen
4b6a59a126 Python: Apply code-review suggestion 
Co-authored-by: yoff <lerchedahl@gmail.com>
 2021-02-01 11:12:32 +01:00
Rasmus Lerchedahl Petersen
27fd46b855 Python: Update test expectation 2021-02-01 08:55:20 +01:00
Rasmus Lerchedahl Petersen
6730396ad6 Python: Remove tests from non-test directory 2021-02-01 08:52:00 +01:00
Rasmus Lerchedahl Petersen
f6fa1276a6 Python: Add consistency checks 
to all data-flow test floders
 2021-01-29 21:28:43 +01:00
Rasmus Lerchedahl Petersen
05a138694d Python: Fix crashing test 2021-01-29 21:12:44 +01:00
Rasmus Lerchedahl Petersen
182d435dc6 Python: Replace comprehension read-step by for 
read-step. Add a version targetting sequence nodes.
 2021-01-29 17:31:59 +01:00
Rasmus Wriedt Larsen
94e7980ca4 Merge branch 'main' into port-url-redirect-query 2021-01-29 16:22:50 +01:00
Rasmus Wriedt Larsen
9c01aa2304 Python: Add modeling for django.shortcuts.redirect 2021-01-29 15:41:00 +01:00
Rasmus Wriedt Larsen
ff2f2b5792 Python: Add django.shortcuts.redirect test 2021-01-29 15:37:20 +01:00
Taus
cb195a0dc4 Merge pull request #4752 from yoff/python-dataflow-unpacking-assignment 
Python: Dataflow, unpacking assignment
 2021-01-29 14:15:28 +01:00
Taus
be5b7bb4c4 Merge pull request #5022 from yoff/python-split-lambdas 
Python: Callable for lambdas
 2021-01-29 14:12:26 +01:00
Rasmus Wriedt Larsen
173012578e Python: Add missing type-tracking step for django.views 
Easy to overlook, and will onyl be caught by tests if they use `import
parent.thing` and not `from parent import thing`
 2021-01-28 12:10:42 +01:00
Rasmus Wriedt Larsen
54725ccbb9 Python: Support full-path import of Django View class 
requestHandler still MISSING :(
 2021-01-28 12:10:40 +01:00
Rasmus Wriedt Larsen
61d69f2cc8 Python: Add test for full-path import of Django View class 2021-01-28 12:10:39 +01:00
Rasmus Wriedt Larsen
5646af56dd Python: Fix too many results from DataFlow::importNode 2021-01-27 19:11:55 +01:00
Rasmus Wriedt Larsen
0d42e546a0 Python: Add deep import chain to import-helper tests 2021-01-27 19:09:09 +01:00
Rasmus Wriedt Larsen
44bb41e84b Python: Add extra type-tracking test for "long" import chain 
While trying to debug an other problem related to full import of django view, I
stumbled upon this oddity. (yikes)
 2021-01-27 19:06:51 +01:00
Rasmus Lerchedahl Petersen
d3e0e84c37 Python: Separate callable for lambdas 
Since lambdas are split, but their children are not,
we use the Function as the callable.
 2021-01-26 21:17:59 +01:00
Rasmus Lerchedahl Petersen
4526a1dd2f Python: test for split lambda 2021-01-26 21:17:59 +01:00
Rasmus Wriedt Larsen
902bade5ae Merge pull request #5015 from yoff/python-add-missing-postupdate-nodes 
Python: add missing postupdate nodes
 2021-01-26 14:39:29 +01:00
Taus
4c0f54f5d3 Merge pull request #5007 from yoff/python-disregard-comp-args 2021-01-26 12:53:33 +01:00
Rasmus Lerchedahl Petersen
2c58643fd1 Python: Test for parameters without nodes. 2021-01-26 11:28:31 +01:00
CodeQL CI
c1726ed868 Merge pull request #5014 from RasmusWL/typetracking-test-track-self 
Approved by tausbn
 2021-01-26 02:10:52 -08:00
Rasmus Lerchedahl Petersen
7b9ca7171a Python: update test expectations 2021-01-26 09:47:48 +01:00
Rasmus Lerchedahl Petersen
dacc21d0b5 Python: update test expectation 2021-01-26 09:45:41 +01:00
yoff
7ba0939239 Merge pull request #4995 from RasmusWL/tornado-model-http-sinks 
Python: model HTTP sink in Tornado
 2021-01-25 21:53:44 +01:00
Rasmus Wriedt Larsen
a8186be2fa Python: Add test of type-tracking self in methods 2021-01-25 17:20:11 +01:00
Rasmus Lerchedahl Petersen
ad39bfb2ff Python: Add postupdate nodes for subscripts. 
This drops reverse read inconsistencies on saltstack from 14909 to 1353.
 2021-01-25 17:01:25 +01:00
Rasmus Lerchedahl Petersen
361bee851a Python: Tests inspired by reverse read check 2021-01-25 17:01:25 +01:00
Rasmus Lerchedahl Petersen
4ff2c6d85a Python: fix test expectation 
probably a copy-paste error..
 2021-01-25 16:49:51 +01:00
Rasmus Lerchedahl Petersen
89e56707c3 Python: Omit all unresolved parameter nodes. 
Drops the results further to 139.
 2021-01-24 16:16:07 +01:00
Rasmus Lerchedahl Petersen
0d20a4cb4a Python: Simplify modelling 2021-01-22 19:40:34 +01:00
Rasmus Lerchedahl Petersen
f948ef8f27 Merge branch 'main' of github.com:github/codeql into python-dataflow-unpacking-assignment 2021-01-22 16:26:48 +01:00
Rasmus Wriedt Larsen
7a76a5134e Python: Add redirect modeling for Tornado 
After making https://github.com/github/codeql/pull/4995, I realized how easy
this would be :D

Will need to do some manual merge-conflict handling, but it should be all good
:)
 2021-01-21 14:04:11 +01:00
Rasmus Wriedt Larsen
2f86937e5a Python: Remove unused param in test code 2021-01-21 13:44:56 +01:00