Interactive Python Debugger, IPython-interface to pdb
ipdb exports functions to access the IPython debugger, which features tab completion, syntax highlighting, better tracebacks, better introspection with the same interface as the pdb module.
Questions tagged [ipdb]
192 questions
3
votes
2 answers
ipdb commands obscured by variables
When i try to debug this sample script with ipdb:
n = 1
next = 1
print('end')
I can't execute line 3 because python variables obscure pdb commands:
$ ipdb test.py
> /tmp/test.py(1)()
----> 1 n = 1
2 next = 1
3…
Kossak
- 1,273
- 1
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- 31
3
votes
1 answer
Itertools.product raises "Error in argument"
I am a bit lost here:
I can not use itertools.product in my code. This is in a break point in unittest setUp method:
ipdb> import itertools
ipdb> itertools
ipdb> itertools.product
ipdb>…
zidarsk8
- 3,088
- 4
- 23
- 30
3
votes
1 answer
Home button bug in ipdb on Linux
Running a file consisting of the line
import ipdb;ipdb.set_trace()
then entering more than 19 or more arbitrary characters in the command line and then hitting Home button (or Ctrl-A) makes the cursor go to position 11 instead of position 0 of the…
Antony Hatchkins
- 31,947
- 10
- 111
- 111
3
votes
1 answer
Convenience function defined for debugging with ipdb in Python
At the top of my Python scripts I have defined the following convenience function for debugging with ipdb:
def bp():
import ipdb
ipdb.set_trace()
So when I want to debug in a certain point I can write:
bp()
instead of having to write…
Daniel Arteaga
- 467
- 3
- 9
3
votes
3 answers
Trouble Importing in Ipython: ImportError: No module named 'ipdb'
I've run pip install ipdb but when I run import ipdb in iPython I still get the error: ImportError: No module named 'ipdb'
What does this mean?
Similarly, when I'm importing files (with .py extension) in iPython, I'm also getting this error…
Erin Wolpert
- 363
- 1
- 5
- 8
3
votes
1 answer
python ipdb occasionally shows no code lines
Interrupting execution of python code with
import ipdb; ipdb.set_trace()
sometimes (but not always) drops me into ipdb without showing surrounding lines of code, even if I issue the l command. Ie, I get something like
>…
Gerhard
- 1,925
- 3
- 15
- 24
3
votes
2 answers
ipdb / set_trace() bug on Windows?
I am getting a really strange output when running a python script and setting a break point with ipdb as in this program:
import sys
import ipdb
parents, babies = (1, 1)
while babies < 100:
ipdb.set_trace()
print 'This generation has {0}…
aegger
- 342
- 1
- 2
- 13
3
votes
0 answers
Show traceback of an exception raised by a manually invoked function in ipdb
ipdb> def aaaa(q): q[2]
ipdb> aaaa([1,2,3,4])
ipdb> aaaa([])
*** IndexError: list index out of range
ipdb>
I want to have a full traceback displayed (pretty one - with stack frames, locals, etc.), not only '*** IndexError: list index out of range'.…
Michał Pawłowski
- 385
- 3
- 9
2
votes
1 answer
How to debug a function that has been passed as an argument to another function
I'm new to Python and used to debugging in R. I'm trying to debug my_function when it has been passed as an argument to another function
df.apply(my_function, axis=1)
When I use the debugger (I'm in Spyder V5) I can jump down into the apply…
hashtagyoloswag
- 35
- 4
2
votes
1 answer
How to print p variable inside ipdb
I have variable called p and I want to print its value inside ipdb.
p = 100
breakpoint() # DEBUG
ipdb> help p
p expression
Print the value of the expression.
ipdb> p
*** SyntaxError: unexpected EOF while parsing
I can't to it since p…
alper
- 2,919
- 9
- 53
- 102
2
votes
1 answer
How to use PYTHONBREAKPOINT to start ipython?
I was trying to get the interactive ipython which can also make use of auto-complete by doing the following but somehow I see it starting ipdb instead and not being able to make use of auto-complete.
pip install ipython pyreadline
export…
sorin
- 161,544
- 178
- 535
- 806
2
votes
0 answers
Why Python's breakpoint and ipdb behave this way?
I'm used to debugging in Python with PyCharm.
Now I'm trying to learn using ipdb with Jupyter(Lab to be precise).
But the two following behaviors are really puzzling me !
First one
breakpoint()
for i in range(3):
print(i)
Then in the debugger…
Icarwiz
- 184
- 6
2
votes
2 answers
Enter sticky mode by default with ipdb
When debugging with ipdb, I find it useful to enter in sticky mode to follow the code source. Is there a way to enter automatically in sticky mode without having to type sticky?
BiBi
- 7,418
- 5
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- 69
2
votes
0 answers
When added ipdb at flask app it raises RuntimeError: There is no current event loop in thread
Okay now I'm working on simple flask app and it is working but while working I needed ipdb at certain api, after I added it
Traceback (most recent call last):
File "/home/amir/Workspace/mmb/recsysenv/lib/python3.6/site-packages/flask/app.py",…
A.Raouf
- 2,171
- 1
- 24
- 36
2
votes
1 answer
Why does quitting ipdb while inside a cmd.Cmd subclass function exit the function?
I have a little cmd subclass:
class Foo(cmd.Cmd):
def do_ipdb(self, *a, **kw):
import ipdb; ipdb.set_trace()
pass
Foo().cmdloop()
This works and lets me inside ipdb, but when exiting, either using 'q' or CTRL-D, the cmdloop…
CIsForCookies
- 12,097
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