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https://github.com/python/cpython.git
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374 lines
12 KiB
Plaintext
374 lines
12 KiB
Plaintext
THIS LIST DOES NOT CLAIM COMPLETENESS.
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==> Status indicators: (-) not fixed; (*) fixed; (?) not sure.
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======================================================================
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Problems that are difficult to solve
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------------------------------------
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(-) "f()=0" generates syntax error msg without line number
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(-) tkinter seems to leave an exception around sometime which breaks
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unmarshalling code objects [hard to reproduce, have added a trap to
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marshal.c to catch it]
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(-) destroying all modules may destroy __builtin__ (or other modules)
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while destructors of other modules may still need it [hard to fix --
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could maintain a list of all modules in order of importation so we can
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destroy them in reverse order??? really hopeless -- would have to
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destroy objects in a module in reverse order too...]
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(-) doneimport() should be called *before* the Py_AtExit code is
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called [problem: what if other threads are still active?]
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Known portability problems
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--------------------------
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(-) arraymodule doesn't compile under Ultrix (FPROTO macro)
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(-) makesetup assumes CCC is the C++ compiler -- not portable
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(-) "make depend" assumes mkdep exists -- not portable
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(-) regen calls h2py which isn't defined by default
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(-) HP doesn't compile out of the box (needs LIBS=-ldld or
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LIBS=/usr/lib/libdld.sl) [hard to test without a HP machine handy]
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======================================================================
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BUGS present in 1.1.1 and fixed in 1.2
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--------------------------------------
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(*) extraneous fclose() in run_script() in pythonrun.c for .pyc file
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(*) __str__ is called if it exists (and then fails) when applying
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str() to a class
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(*) mem leaks in inittime() in timemodule.c
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(*) mem leak in optimize() in compile.c
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(*) mem leak in func_dealloc() in funcobject.c
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(*) missing DECREF for result of run_string in exec_statement() in
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ceval.c
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(*) missing INCREF in RAISE_EXCEPTION case after gettupleitem() in
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ceval.c
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(*) posix.utime gives problems on problems on platforms where struct
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utime members are bitfields
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(*) leak in regex module.c:reg_dealloc() -- should free compiled pattern
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(*) many uses of macros from <ctype.h> fail with signed characters
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(*) compilation on NeXT requires manual editing of the Makefile
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(*) tkinter should cast malloc() result
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(*) marshal.c (w_object()) triggers GCC bug on DEC Alpha
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(*) int/long size bug in range() and xrange() on DEC Alpha
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(*) memory leaks in dbm and gdbm modules
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(*) refcnt bug in select.select([f], [f], [f])
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(*) Should fflush(stdout) before printing traceback to stderr
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(*) Linux uses GNU getopt by default which is broken
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(*) make sharedinstall references to machdep directory but doesn't
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create it
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(*) a file with unmatched triple quotes causes a loop in the scanner
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(*) [X]DECREF can cause the interpreter to be called recursively (for
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__del__ disciplines) -- so list and dict implementation calls doing
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DECREF can cause recursive calls to methods of the object being
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modified. Other files too.
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(*) if __getattr__ or __repr__ prints something, calling repr(x) from
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cmd line forgets a newline
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(*) C-level coerce() doesn't call __coerce__ when it should (and
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similar for __cmp__)
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(*) struct module assigns unaligned doubles when compiled with -DDEBUG
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on sparc
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(*) memory leak (namebuf) in initmodule2
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(*) hash() of float values returns bogus values
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(*) pow(int, int, long) does wrong series of DECREF() calls.
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(*) flushline() may clear the exception condition so shouldn't be
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called before print_error()
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(*) Everything else that uses err_get() should use err_fetch()
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(*) sockets aren't thread safe (address of static struct returned,
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some calls aren't thread safe)
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(*) threadmodule.c leaks LOTS of memory at thread exit
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(*) shared install in Modules still doesn't work for empty list
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(*) threadmodule.c leaks 'res' in t_bootstrap
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(*) errors.c shouldn't declare strerror() on NT
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(*) DECREF can cause the interpreter to be called recursively (for
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__del__ disciplines) -- so list and dict implementation calls doing
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DECREF can cause recursive calls to methods of the object being
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modified. Other files too. (Only partially fixed.)
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(*) tkinter dereferences NULL if timer callback raises an exception
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(*) must link with -lieee for linux
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(*) if a timer handler routine raises an exception, the interpreter
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dereferences NULL
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(*) __getattr__ doesn't clear error
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(*) '%s' % a, where a is a class instance, fails
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(*) "make test" won't find freshly built dynamically loaded modules --
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should add ./Modules to TESTPATH
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(*) lshift calls __rshift__ instead of __rlshift__
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(*) memory leak in creation of sys.builtin_module_names
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(*) Bugs in instance_dealloc(): (a) memory leak for exception
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type+value; (2) should save+restore traceback as well
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(*) modsupport.c(vmkvalue): on systems where va_list is an array, the
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calls to do_mkvalue and do_mktuple don't want an "&" before va.
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======================================================================
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BUGS found in 1.1 and fixed in 1.1.1
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------------------------------------
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(*) printing name of lambda in traceback dereferences NULL
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(*) A built-in function using getargs() and expecting >= 1 argument
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may dump core when called without arguments
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(*) newgetargs() dumps core in compat mode when NULL is passed in but
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max is >0
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(*) pow() should be declared varargs since it uses newgetargs
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(*) newmodule.c doesn't compile on SunOS 4.1.3 due to non-K&R backslashes
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(*) some typos in tut.tex
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(*) test for broken static forward is not strong enough
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(*) Doc/Makefile assumes . is in $PATH in call to whichlibs
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(*) math module misses hypot() function
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(*) structmember.h should include stddef.h (for offsetof macro)
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(*) gdbmmodule.c frees the wrong structures
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(*) makesetup script misses some dollars and backslashes
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(*) getargs.obj missing from NT makefile
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(*) sorting class instances broken if no __cmp__ defined
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======================================================================
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BUGS found in 1.0.3 and fixed in 1.1
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------------------------------------
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(*) 2 specific leaks: 1 PYTHONPATH; 2 reading code from .pyc
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(*) If class C doesn't define __cmp__, cmp(a,b) will return -2 and
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[a,b].sort() will fail
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(*) Syntax errors are reported in a silly way if multi-line tokens are
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involved.
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(*) SyntaxError exception for compile('...') are reported wrongly
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(lineno is always zero and offset is offset into the whole string).
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(*) freeze script needs major rewrite to cope with multiple extensions
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(Jack seems to have fixed it now -- where is it?)
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(*) unwanted entries in stack trace if err_clear() clears an error
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that also set a stack trace
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(*) i, x[i] = a, b assigns b to x[a] rather than to x[i] as expected
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(documented with a warning in ref6.tex!)
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(*) etags no longer supports -t flag
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(*) compile.c:com_argdefs() references unalloc'ed memory for def
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f(a=1,): ...
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(*) If you have a python binary in your path like
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/ufs/guido/bin/sgi/python then the default prefix option computed by
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the configure script is bogus!
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(*) Make rule for making lib*.a should remove the lib*.a file first.
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(*) vars() error message is wrong (copied from dir() obviously).
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(*) socket.gethostname() is undocumented.
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(*) rfc822.py: getfirst* dies when multiple headers occur
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(*) urllib caching is wrong (should use date from Expires header)
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(*) On a related matter: regexpr.c still has two malloc()s the results
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of which are not tested for being NULL (lines 1253 and 1530). There
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are also some in rgbimagemodule.c. Am I overlooking something or is
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this a crasher?
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(*) strop.rindex('abc', '') returns 0 instead of 3
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(*) sunaudiodevmodule.o is too long!
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(*) toplevel README needs new text on PC and Mac builds
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(*) long(0x80000000) has wrong value!
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======================================================================
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Bugs found in 1.0.2 and not yet fixed
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-------------------------------------
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(?) compiler warnings about argument type of uname() on ULTRIX
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machines (don't know what to do about it) [could be fixed by fix for
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bitfields in struct uname]
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(?) syntax error for interactive input prints garbage instead of last
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source line on some systems (e.g. AIX) (impossible to test/reproduce)
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[I think I've found this one -- a missing INCREF in print_error]
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(?) (maybe) a bad .pyc file (with old magic number) causes the .py
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file to be ignored [should be fixed by rewrite of import.c]
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(?) Sunos4.0.2 / 386 configure bugs:
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- timelocal instead of mktime
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- unistd.h doesn't declare some functions
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(don't know what to do about this)
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Bugs found in 1.0.2 and fixed in 1.0.3
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--------------------------------------
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(*) nasty bug in string formatting (see test_types.py, search for %)
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(*) if a triple-quoted string ends in a quote followed by a newline
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(followed immediately by the terminating 3 quotes) then a syntax error
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or system error ensues
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(*) bug in socket.listen: clipping backlog to >= 1 doesn't work
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(*) two bogus XDEL's in Modules/regexmodule.reg_dealloc()
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(*) Parser/myreadline.my_fgets: #endif EINTR misplaced
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(*) new IP address for ftp.cwi.nl !!!
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(*) typing vars() to interactive prompt runs into infinite loop
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because of '_'
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(*) tokenizer/tok_nextc() runs into infinite loop when file does not
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end in linefeed
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(*) Sunos4.0.2 / 386 configure bugs:
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(*) - use size_t at some places without including sys/types.h
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(*) - missing clock_t
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(*) - uses SEEK_SET in some places that don't include unistd.h
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======================================================================
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Bugs found in 1.0.1 and not yet fixed
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-------------------------------------
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(?) threads are slow on Solaris 2
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(so what?)
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(*) threads cause myreadline.c's readline() to think it sees an EOF.
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(I *think* I've fixed this, by testing for EINTR)
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(?) min() on PC version generates wrong result (i.e. same as max())
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[this happens on SoftPC -- don't know about other systems]
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(can't find the reason -- may be SoftPC bug)
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(*) flp.py cache bug: if the cache only contains one form, asking for
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all forms returns only the cached form
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Bugs found in 1.0.1 and fixed in 1.0.2
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--------------------------------------
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(*) core dump when parser.parsefile() called
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(*) man page contains a mess before -d option
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(*) threads don't work on IRIX 4
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(*) wrong cast of svideo_getattr in svmodule.c
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(*) bad return value in runpython.c's run_tty_1()
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(*) creating dict of 100,000 objects gets MemoryError or dumps core
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(*) freeze script doesn't work
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======================================================================
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BUGS found in 1.0.0 and not yet fixed
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-------------------------------------
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(*) On NeXT, need to define _POSIX_SOURCE.
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(?) there appears to be something wrong with gcc and -ldl on some
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SunOS 4.1.3 systems
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(?) jredfords reports core dump with float literals
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BUGS found in 1.0.0 and fixed in 1.0.1
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--------------------------------------
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(*) On SGI IRIX 4 using cc, compilation errors in md5module.c.
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(*) In cdmodule.c, getattr initialized with (destructor)!
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(*) Lib/tzparse.py runs test() on import
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(*) Lib/filewin.py belongs in Lib/stdwin
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(*) lib and man install targets don't use $(srcdir)
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(*) Modules/rgbimgmodule.c: exception name contains comma instead of dot
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(*) The FAQ still references misc/EXTENDING and misc/DYNLOAD etc
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(*) The FAQ still describes how to work around a problem in 0.9.9 exec()
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(*) Lib/aifc.py, returns float rate, should be int
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(*) Lib/sunau.py, incorrectly cumputes byte count from frame rate
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(*) README should mention possibility of passing OPT=-g to make
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(*) dynamic loading on sunos 4.1.3 must call dlopen(..., 1)
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(*) use of <varargs.h> vs. <stdarg.h> should depend on
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HAVE_STDARG_PROTOTYPES, not on HAVE_STDARG_H
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(*) Doc/README refers to Misc/FTP which in fact does not exist any more
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(*) filter(None, 'abcdefg') dumps core
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(*) once you interrupt time.sleep(), there is no interrupt handler!
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======================================================================
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end of file
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