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bpo-20523: pdb searches for .pdbrc in ~ instead of $HOME #11846

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bpo-20523: pdb searches for .pdbrc in ~ instead of $HOME #11846

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6 changes: 3 additions & 3 deletions Lib/pdb.py
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Original file line number Diff line number Diff line change
Expand Up @@ -159,11 +159,11 @@ def __init__(self, completekey='tab', stdin=None, stdout=None, skip=None,
self.allow_kbdint = False
self.nosigint = nosigint

# Read $HOME/.pdbrc and ./.pdbrc
# Read ~/.pdbrc and ./.pdbrc
self.rcLines = []
if readrc:
if 'HOME' in os.environ:
envHome = os.environ['HOME']
envHome = os.path.expanduser('~')
if envHome != '~':
try:
with open(os.path.join(envHome, ".pdbrc")) as rcFile:
self.rcLines.extend(rcFile)
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12 changes: 12 additions & 0 deletions Lib/test/test_pdb.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1333,6 +1333,18 @@ def test_readrc_kwarg(self):
if save_home is not None:
os.environ['HOME'] = save_home

def test_readrc_homedir(self):
save_home = os.environ.pop("HOME", None)
with support.temp_dir() as temp_dir, patch("os.path.expanduser"):
os.path.expanduser.return_value = temp_dir
try:
with open(os.path.join(temp_dir, ".pdbrc"), "w") as f:
f.write("invalid")
self.assertEqual(pdb.Pdb().rcLines[0], "invalid")
finally:
if save_home is not None:
os.environ["HOME"] = save_home

def test_header(self):
stdout = StringIO()
header = 'Nobody expects... blah, blah, blah'
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