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Merged revisions 87497 via svnmerge from

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........
  r87497 | r.david.murray | 2010-12-26 14:54:29 -0500 (Sun, 26 Dec 2010) | 7 lines

  #5258/#10642: print fn, line, traceback and continue when .pth file is broken

  If a .pth file contained an error, it could cause a traceback in site.py,
  terminating its processing.  In 2.7 and 3.2, the interpreter will then not
  start.  Previously, a message would print saying to use -v to get the
  traceback.  In either case, the traceback generated for a failed .pth file did
  not include the .pth filename, making it difficult to debug the problem.  Now
  site.py reports not only the .pth filename but also the line number causing the
  error, and just skips the remainder of the file.
........
This commit is contained in:
R. David Murray 2010-12-26 22:29:53 +00:00
parent 8e726b4328
commit 5874ed6cee
3 changed files with 71 additions and 9 deletions
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28
Lib/site.py
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@ -61,6 +61,7 @@ ImportError exception, it is silently ignored.
import sys
import os
import __builtin__
import traceback
# Prefixes for site-packages; add additional prefixes like /usr/local here
PREFIXES = [sys.prefix, sys.exec_prefix]
@ -155,17 +156,26 @@ def addpackage(sitedir, name, known_paths):
except IOError:
return
with f:
for line in f:
for n, line in enumerate(f):
if line.startswith("#"):
continue
if line.startswith(("import ", "import\t")):
exec line
continue
line = line.rstrip()
dir, dircase = makepath(sitedir, line)
if not dircase in known_paths and os.path.exists(dir):
sys.path.append(dir)
known_paths.add(dircase)
try:
if line.startswith(("import ", "import\t")):
exec line
continue
line = line.rstrip()
dir, dircase = makepath(sitedir, line)
if not dircase in known_paths and os.path.exists(dir):
sys.path.append(dir)
known_paths.add(dircase)
except Exception as err:
print >>sys.stderr, "Error processing line {:d} of {}:\n".format(
n+1, fullname)
for record in traceback.format_exception(*sys.exc_info()):
for line in record.splitlines():
print >>sys.stderr, ' '+line
print >>sys.stderr, "\nRemainder of file ignored"
break
if reset:
known_paths = None
return known_paths