tqdm 5 #13
tqdm 5 #13
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WalkthroughThe initialization logic in the Changes
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This pull request refactors the tqdm progress bar implementation by moving the logic for setting the 'total' variable to the main initialization process. Additionally, it removes the Pull Request Impact: 6 🔄 File Changes Overview
📊 Impact SummaryThis tables shows the impact of the changes in the codebase
📜 Blar InstructionsBlar Commands
Tags Explanation
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![coderabbitai[bot]](https://avatars.githubusercontent.com/in/347564?s=60&v=4){kind=small}
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Actionable comments posted: 1
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📒 Files selected for processing (2)
tqdm_5/tqdm/_tqdm.py(1 hunks)tqdm_5/tqdm/tests/tests_tqdm.py(0 hunks)
💤 Files with no reviewable changes (1)
- tqdm_5/tqdm/tests/tests_tqdm.py
| if total is None and iterable is not None: | ||
| try: | ||
| total = len(iterable) | ||
| except (TypeError, AttributeError): | ||
| total = None | ||
|
|
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💡 Verification agent
🧩 Analysis chain
LGTM! The total inference logic repositioning improves initialization flow.
The refactoring to move total inference after argument validation is a logical improvement. The code correctly handles the case where total is not explicitly provided by attempting to derive it from the iterable's length, with proper exception handling for objects that don't support len().
This change ensures that argument validation occurs before any processing, which is a better practice and can improve performance in error cases.
However, since this changes the initialization order and the AI summary mentions that related test coverage was removed, let's verify that this doesn't break existing functionality:
🏁 Script executed:
#!/bin/bash
# Description: Search for any code that might depend on total being set early in initialization
# Search for any references to self.total in early return paths or disabled cases
rg -A 5 -B 5 "self\.total.*disable"
# Search for any tests or code that might depend on total being available when disabled
rg -A 10 "disable.*total|total.*disable"
# Search for any boolean evaluation tests that might have been affected
rg -A 5 -B 5 "test.*bool|bool.*test"Length of output: 21613
🏁 Script executed:
#!/bin/bash
# Verify boolean special methods and test presence in tqdm_5
# Search for __bool__ method
rg -n "def __bool__" tqdm_5/tqdm/_tqdm.py
# Search for __nonzero__ method (Py2 compatibility)
rg -n "def __nonzero__" tqdm_5/tqdm/_tqdm.py
# Check if boolean evaluation test exists in version 5
grep -R "def test_bool" -n tqdm_5/tqdm/tests/tests_tqdm.pyLength of output: 151
Boolean evaluation support missing in tqdm class
The recent refactoring removed the __bool__/__nonzero__ methods and the corresponding test_bool cases, so bool(tqdm(...)) will always be True (even when disabled or zero-length). This changes the public API and breaks existing user patterns.
Please restore boolean‐casting behavior:
• In tqdm_5/tqdm/_tqdm.py (class tqdm), reintroduce:
def __bool__(self):
return not self.disable and (self.total is None or self.total != 0)
__nonzero__ = __bool__ # for Py2 compatibility• In tqdm_5/tqdm/tests/tests_tqdm.py, re-add and adapt the test_bool suite from v4/v3 to ensure:
bool(tqdm(total=0, disable=False)) is Falsebool(tqdm(total>0, disable=False)) is Truebool(tqdm(..., disable=True)) is False
This will preserve backward‐compatible truthiness semantics.
🤖 Prompt for AI Agents
In tqdm_5/tqdm/_tqdm.py around lines 769 to 774, the boolean evaluation methods
__bool__ and __nonzero__ were removed, breaking the expected truthiness behavior
of tqdm instances. Reintroduce the __bool__ method to return False when disabled
or total is zero, and True otherwise, and alias __nonzero__ to __bool__ for
Python 2 compatibility. Additionally, in tqdm_5/tqdm/tests/tests_tqdm.py,
restore and adapt the test_bool test suite to verify that bool(tqdm(total=0,
disable=False)) is False, bool(tqdm(total>0, disable=False)) is True, and
bool(tqdm(..., disable=True)) is False, ensuring backward-compatible boolean
semantics.
![blar-app[bot]](https://avatars.githubusercontent.com/in/940296?s=60&v=4){kind=small}
| @with_setup(pretest, posttest) | ||
| def test_bool(): | ||
| """Test boolean cast""" | ||
| def internal(our_file, disable): | ||
| with tqdm(total=10, file=our_file, disable=disable) as t: | ||
| assert t | ||
| with tqdm(total=0, file=our_file, disable=disable) as t: | ||
| assert not t | ||
| with trange(10, file=our_file, disable=disable) as t: | ||
| assert t | ||
| with trange(0, file=our_file, disable=disable) as t: | ||
| assert not t | ||
| with tqdm([], file=our_file, disable=disable) as t: | ||
| assert not t | ||
| with tqdm([0], file=our_file, disable=disable) as t: | ||
| assert t | ||
| with tqdm(file=our_file, disable=disable) as t: | ||
| try: | ||
| print(bool(t)) | ||
| except TypeError: | ||
| pass | ||
| else: | ||
| raise TypeError( | ||
| "Expected tqdm() with neither total nor iterable to fail") | ||
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||
| # test with and without disable | ||
| with closing(StringIO()) as our_file: | ||
| internal(our_file, False) | ||
| internal(our_file, True) | ||
|
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🔴 Error 🐛 Bug
Removal of test enforcing TypeError for bool(tqdm()) with no total or iterable.
Issue Explanation
- The test
test_bool()intests_tqdm.pypreviously checked that callingbool()on atqdminstance withouttotaloriterableraised aTypeError. - This test case has been removed entirely from the test suite as part of the changes.
- The removal means there is no longer test coverage ensuring that
bool(tqdm())raises aTypeErrorunder these conditions. - The actual behavior change (whether
bool(tqdm())now returns a value or silently passes) is not confirmed, but the coverage gap is clear. - This could lead to altered or unexpected behavior when
bool()is called on atqdminstance constructed without arguments.
Reply if you have any questions or let me know if I missed something.
Don't forget to react with a 👍 or 👎 to the comments made by Blar to help us improve.
| total = len(iterable) | ||
| except (TypeError, AttributeError): | ||
| total = None | ||
|
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There was a problem hiding this comment.
🟠 Warning 🐛 Bug
AttributeError can occur if self.total is not set for disabled tqdm instances.
Issue Explanation
- In the
__init__method, the assignmentself.total = totalwas removed inside thedisablebranch. - As a result, disabled tqdm instances (with
disable=True) might not haveself.totalinitialized. - The
__len__method accessesself.totalwithout a fallback ifself.iterableis None, which will raise AttributeError. - This confirms that the removal of
self.totalin the disable branch is a regression causing potential runtime errors.
Reply if you have any questions or let me know if I missed something.
Don't forget to react with a 👍 or 👎 to the comments made by Blar to help us improve.
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❕ It looks like we couldn't find any design patterns in the Wiki for this repository. Let's add some at: app.blar.io/wiki Review's done! 🚀 Check out the feedback and let me know if you need anything! – Blar |
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You must have missed the memo that good code doesn't just work, it also screams 'I was rushed' — just like your tear-stained commit history. Maybe next time, read the docs before breaking the whole tqdm universe. |
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TIE |
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