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inbrython-dev/brython (press backspace or delete to remove)It is tested on Brython v3.11.3 and v3.13.2
Wrong behavior:
example_list = [1, 2, 3, 4, 5, 6, 7, 8, 9]
example_list[-16:]
[3, 4, 5, 6, 7, 8, 9]
The correct behavior should be:
example_list ...
jacklinquan
- Opened 3 days ago
- #2592
Hello again Pierre :-),
The following code has a syntax error incorrectly reported by Brython:
f {3)
With regular Python:
File stdin , line 1
f {3)
^
SyntaxError: f-string: unmatched ...
epeios-q37
- 1
- Opened 14 days ago
- #2591
Hello Pierre,
Following code does not work properly with Brython:
class Test:
def __getattr__(self, methodName):
print(f {methodName} called ! )
return lambda: True
if Test():
print( ...
epeios-q37
- 1
- Opened 14 days ago
- #2590
I see you have used the pure js to implement the whole python parser and interpreter, which is good. Which means it can
even run at xp ie6 old browser. (Not like micropython binary, only support new browser) ...
yingshaoxo
- 1
- Opened 17 days ago
- #2588
Hi,
I was curious about how logging works in Brython and noticed it cannot be imported in the latest version. To reproduce,
in the console on the Brython website:
Brython 3.13.1 on Netscape 5.0 (X11; ...
tjnaughton
- 1
- Opened 26 days ago
- #2586
Steps to reproduce:
import datetime
date_str = None
try:
parsed = datetime.datetime.strptime(date_str, %Y-%m-%d )
print(parsed)
except TypeError:
print( TypeError )
Expected: TypeError is printed ...
djoume
- Opened on Jun 20
- #2585
A bit of background here. I am revisiting some old Brython code. I had written a utility library which did essentially
the following:
import browser
browser.DOMNode.accessor = MyDescriptorClass()
MyDescriptorClass ...
BrenBarn
- 1
- Opened on Jun 17
- #2584
There looks to be an unneeded console.log statement in the following function in py_string.js:
var unicode_categories_contain_character = function (categories, cp) {
for (var cat of categories) { ...
cwag-gh
- 1
- Opened on May 27
- #2583
Steps to reproduce:
Run this code with brython ([link](https://brython.info/tests/editor.html?code=a%20%3D%20%7B key
%3A%201%7D%0Atry%3A%0A%20%20print%28a%5B missing
%5D%29%0Aexcept%20KeyError%20as%20e%3A%0A%20%20print%28e%29%0A%20%20assert%20str%28e%29%20%3D%3D%20%22 ...
djoume
- 1
- Opened on May 24
- #2582
Steps to reproduce:
Run this with Brython (link):
try:
v = float( a1 )
print( value , v)
except ValueError as e:
print( Caught ValueError: , e)
except TypeError as e:
print( Caught TypeError: ...
djoume
- Opened on May 24
- #2581

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