[READY] Prevent users from modifying extra conf data #1029
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+ Coverage 97.13% 97.14% +<.01%
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Reviewed 2 of 2 files at r1. Comments from Reviewable |
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seems ok, though it's a little sad that we have to jump through such hoops, Review status: all files reviewed at latest revision, all discussions resolved. ycmd/utils.py, line 536 at r1 (raw file):
we should have module tests for this that ensure a == b and a != b work for a generic one of these Comments from Reviewable |
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Yes, it's annoying. Reviewed 2 of 2 files at r1, 1 of 1 files at r2, 1 of 1 files at r3. ycmd/utils.py, line 536 at r1 (raw file): Previously, puremourning (Ben Jackson) wrote…
Done. Comments from Reviewable |
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Review status: all files reviewed at latest revision, all discussions resolved. ycmd/utils.py, line 504 at r3 (raw file):
Should we call a knife a knife and name this class UserDataDict ? We could call it ImmutableHashableDict, but that is a bit of a mouthful and we only use it for one thing. Comments from Reviewable |
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Reviewed 2 of 2 files at r1, 1 of 1 files at r3. Comments from Reviewable |
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Review status: all files reviewed at latest revision, 1 unresolved discussion. ycmd/utils.py, line 504 at r3 (raw file):
I feel the class is a little too generic to call it
A hashable object must be immutable so calling it Comments from Reviewable |
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Review status: all files reviewed at latest revision, 1 unresolved discussion. ycmd/utils.py, line 504 at r3 (raw file): Previously, micbou wrote…
Ah ok then Comments from Reviewable |
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@zzbot r+ Review status: all files reviewed at latest revision, 1 unresolved discussion. Comments from Reviewable |
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📌 Commit 3d2bd52 has been approved by |
[READY] Prevent users from modifying extra conf data
Users can change the values of the extra conf data by doing something like
```python
def FlagsForFile( filename, **kwargs ):
flags = kwargs[ 'client_data' ][ 'flags' ]
flags.append( '-Wall' ) # Change the value of request_data[ 'extra_conf_data' ][ 'flags' ]
return { 'flags': flags }
```
in the `.ycm_extra_conf.py` file. This was already possible prior to PR #1010 but it's now a problem because cache is invalidated if extra conf data has changed. We prevent that by doing a deep copy when getting a value of a `HashableDict`'s key.
Also, implement the `__eq__` and `__ne__` methods in `HashableDict` as recommended by the official documentation on [`__hash__`](https://docs.python.org/2/reference/datamodel.html#object.__hash__)
> If a class does not define a __cmp__() or __eq__() method it should not define a __hash__() operation either
and [`__eq__`](https://docs.python.org/2/reference/datamodel.html#object.__eq__)
> There are no implied relationships among the comparison operators. The truth of x==y does not imply that x!=y is false. Accordingly, when defining __eq__(), one should also define __ne__() so that the operators will behave as expected.
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@zzbot r+ Review status: all files reviewed at latest revision, 1 unresolved discussion, some commit checks failed. Comments from Reviewable |
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📌 Commit 3d2bd52 has been approved by |
[READY] Prevent users from modifying extra conf data
Users can change the values of the extra conf data by doing something like
```python
def FlagsForFile( filename, **kwargs ):
flags = kwargs[ 'client_data' ][ 'flags' ]
flags.append( '-Wall' ) # Change the value of request_data[ 'extra_conf_data' ][ 'flags' ]
return { 'flags': flags }
```
in the `.ycm_extra_conf.py` file. This was already possible prior to PR #1010 but it's now a problem because cache is invalidated if extra conf data has changed. We prevent that by doing a deep copy when getting a value of a `HashableDict`'s key.
Also, implement the `__eq__` and `__ne__` methods in `HashableDict` as recommended by the official documentation on [`__hash__`](https://docs.python.org/2/reference/datamodel.html#object.__hash__)
> If a class does not define a __cmp__() or __eq__() method it should not define a __hash__() operation either
and [`__eq__`](https://docs.python.org/2/reference/datamodel.html#object.__eq__)
> There are no implied relationships among the comparison operators. The truth of x==y does not imply that x!=y is false. Accordingly, when defining __eq__(), one should also define __ne__() so that the operators will behave as expected.
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Users can change the values of the extra conf data by doing something like
in the
.ycm_extra_conf.pyfile. This was already possible prior to PR #1010 but it's now a problem because cache is invalidated if extra conf data has changed. We prevent that by doing a deep copy when getting a value of aHashableDict's key.Also, implement the
__eq__and__ne__methods inHashableDictas recommended by the official documentation on__hash__and
__eq__This change is