ptvsd.break_into_debugger not breaking at the right place

[DonJayamanne]

import ptvsd
import time
ptvsd.enable_attach()
ptvsd.wait_for_attach()
time.sleep(2)
ptvsd.break_into_debugger()
print("Hello world")

• Run the above code
• Attach the debugger in VSC
• Debugger breaks at the wrong, place.
  It breaks in urllib/parse.py line 745:

def quote(string, safe='/', encoding=None, errors=None):
    """quote('abc def') -> 'abc%20def'

This used to work in PTVSD 4.1.1a5
Most likely related to #462

[DonJayamanne]

The commit d635e22 is what has introduced this bug.

/cc @karthiknadig @fabioz
If we test PTVSD prior to the above commit, things were fine, however after that, we have either one of the two issues:

• Breaking into debugger doesn't work
• Or if we add a delay time.slee (as above), then it breaks at the wrong place.

Note: This is related to #462

[fabioz]

I'll take a look at this.

[fabioz]

Pull request #508 should fix the part related to pydevd.

[DonJayamanne]

Sorry, fixed.