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#9230: allow Pdb.checkline() to be called without a current frame, for setting breakpoints before starting debugging.

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This commit is contained in:
Georg Brandl 2010-07-30 07:21:26 +00:00
parent a91a94b7c0
commit 1e30bd3753
1 changed files with 5 additions and 2 deletions
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7
Lib/pdb.py
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@ -675,7 +675,10 @@ class Pdb(bdb.Bdb, cmd.Cmd):
Return `lineno` if it is, 0 if not (e.g. a docstring, comment, blank Return `lineno` if it is, 0 if not (e.g. a docstring, comment, blank
line or EOF). Warning: testing is not comprehensive. line or EOF). Warning: testing is not comprehensive.
""" """
line = linecache.getline(filename, lineno, self.curframe.f_globals) # this method should be callable before starting debugging, so default
# to "no globals" if there is no current frame
globs = self.curframe.f_globals if hasattr(self, 'curframe') else None
line = linecache.getline(filename, lineno, globs)
if not line: if not line:
print('End of file', file=self.stdout) print('End of file', file=self.stdout)
return 0 return 0
@ -1514,7 +1517,7 @@ def main():
# changed by the user from the command line. There is a "restart" command # changed by the user from the command line. There is a "restart" command
# which allows explicit specification of command line arguments. # which allows explicit specification of command line arguments.
pdb = Pdb() pdb = Pdb()
while 1: while True:
try: try:
pdb._runscript(mainpyfile) pdb._runscript(mainpyfile)
if pdb._user_requested_quit: if pdb._user_requested_quit: