I've been having the most awful time debugging my code under WingIDE.
Everything used to work fine, but I updated my copy of WingIDE and my
web2py image and debugging went to h3ll in a handcart.
Specifically, when entering a breakpoint on my Mac, the WIngIDE interface
would go into a "beach ball" display and would not let me enter any text in
the "debug probe" pane. Or I could laboriously enter text a character at a
time but the debug probe would fail to execute it.
After seeking help from the folks at WingWare, we found the problem was
occurring in the monkey-patched version of linecache.getline. Adding a
try-except block to handle errors seems to fix the problem, at least for my
use.
# enhance linecache.getline (used by debugger) to look at the source
file
# if the line was not found (under py2exe & when file was modified)
import linecache
py2exe_getline = linecache.getline
def getline(filename, lineno, *args, **kwargs):
line = py2exe_getline(filename, lineno, *args, **kwargs)
if not line:
try:
f = open(filename, "r")
try:
for i, line in enumerate(f):
if lineno == i + 1:
break
else:
line = None
finally:
f.close()
except (IOError, OSError):
line = None
return line
linecache.getline = getline
-- Joe B.
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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