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* SF bug 1061968: threads: segfault or Py_FatalError at exitTim Peters2004-11-081-13/+12
| | | | | | | | | | | | | | | | | PyGILState_Ensure(): The fix in 2.4a3 for bug 1010677 reintroduced thread shutdown race bug 225673. Repaired by (once again) ensuring the GIL is held whenever deleting a thread state. Alas, there's no useful test case for this shy bug. Four years ago, only Guido could provoke it, on his box, and today only Armin can provoke it on his box. I've never been able to provoke it (but not for lack of trying!). This is a critical fix for 2.3.5 too, since the fix for 1010677 got backported there already and so also reintroduced 225673. I don't intend to backport this fix. For whoever (if anyone) does, there are other thread fixes in 2.4 that need backporting too, and I bet they need to happen first for this patch to apply cleanly.
* SF patch 1025636: Check for NULL returns in compile.c:com_import_stmtJeremy Hylton2004-11-071-4/+14
| | | | There is no test for this change, because there is no way to provoke memory errors on demand. Test suite passes, though.
* SF patch #1035255: Remove CoreServices / CoreFoundation dependencies in coreRaymond Hettinger2004-11-051-158/+67
| | | | | | | | | | | | | (Contributed by Bob Ippolito.) This patch trims down the Python core on Darwin by making it independent of CoreFoundation and CoreServices. It does this by: Changed linker flags in configure/configure.in Removed the unused PyMac_GetAppletScriptFile Moved the implementation of PyMac_StrError to the MacOS module Moved the implementation of PyMac_GetFullPathname to the Carbon.File module
* Maintain peepholer's cumlc invariant by updating the running totalRaymond Hettinger2004-11-021-0/+4
| | | | | | everytime a LOAD_CONSTANT is encountered, created, or overwritten. Added two tests to cover cases affected by the patch.
* Simplify and future proof NOP counting in the peepholer.Raymond Hettinger2004-11-011-13/+6
| | | | No longer assumes that the input is NOP free.
* Fixed a comment and added another one.Armin Rigo2004-10-301-1/+4
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* Adopt some peepholer suggestions from Armin Rigo:Raymond Hettinger2004-10-301-15/+20
| | | | | | | | * Use simpler, faster two pass algorithm for markblocks(). * Free the blocks variable if not NULL and exiting without change. * Verify that the rest of the compiler has not set an exception. * Make the test for tuple of constants less restrictive. * Embellish the comment for chained conditional jumps.
* SF bug #1053819: Segfault in tuple_of_constantsRaymond Hettinger2004-10-261-1/+9
| | | | | | | Peepholer could be fooled into misidentifying a tuple_of_constants. Added code to count consecutive occurrences of LOAD_CONST. Use the count to weed out the misidentified cases. Added a unittest.
* SF bug #1048870: call arg of lambda not updatingRaymond Hettinger2004-10-241-0/+2
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* Patch #975056 - fixes for restartable signals on *BSD. In addition,Anthony Baxter2004-10-131-24/+19
| | | | a few remaining calls to signal() were converted to PyOS_setsig().
* SF patch 1044089: New C API function PyEval_ThreadsInitialized(), by NickTim Peters2004-10-112-4/+6
| | | | | Coghlan, for determining whether PyEval_InitThreads() has been called. Also purged the undocumented+unused _PyThread_Started int.
* Revert rev 2.35. It was based on erroneous reasoning -- the currentTim Peters2004-10-101-15/+8
| | | | | | | thread's id can't get duplicated, because (of course!) the current thread is still running. The code should work either way, but reverting the gratuitous change should make backporting easier, and gets the bad reasoning out of 2.35's new comments.
* PyInterpreterState_New(), PyThreadState_New(): use malloc/free directly.Tim Peters2004-10-101-4/+16
| | | | | | This appears to finish repairs for SF bug 1041645. This is a critical bugfix.
* find_key(): This routine wasn't thread-correct, and accounts for theTim Peters2004-10-101-5/+17
| | | | | | release-build failures noted in bug 1041645. This is a critical bugfix. I'm not going to backport it, though (no time).
* PyGILState_Release(): If we need to delete the TLS entry for this thread,Tim Peters2004-10-091-8/+15
| | | | | that must be done under protection of the GIL, for reasons explained in new comments.
* _PyGILState_Init(), PyGILState_Ensure(): Since PyThread_set_key_value()Tim Peters2004-10-091-2/+5
| | | | | | | | | can fail, check its return value, and die if it does fail. _PyGILState_Init(): Assert that the thread doesn't already have an association for autoTLSkey. If it does, PyThread_set_key_value() will ignore the attempt to (re)set the association, which the code clearly doesn't want.
* Document the results of painful reverse-engineering of the "portable TLS"Tim Peters2004-10-091-6/+84
| | | | | | | | | code. PyThread_set_key_value(): It's clear that this code assumes the passed-in value isn't NULL, so document that it must not be, and assert that it isn't. It remains unclear whether existing callers want the odd semantics actually implemented by this function.
* Style guide & consistency changes. No semantic changes.Tim Peters2004-10-092-29/+41
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* Trim trailing whitespace.Tim Peters2004-10-091-8/+8
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* SF patch #1035498: -m option to run a module as a scriptRaymond Hettinger2004-10-071-0/+16
| | | | (Contributed by Nick Coghlan.)
* Finalize the freelist of list objects.Raymond Hettinger2004-10-071-0/+1
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* Print verbose messages to stderr. Fixes #1036752.Martin v. Löwis2004-10-031-1/+2
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* Improve error message for augmented assignments to genexps or listcomps.Raymond Hettinger2004-09-291-2/+2
| | | | | Rather than introduce new logic, took the approach of making the message itself more general.
* Fix two erroneous error messages.Raymond Hettinger2004-09-291-2/+2
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* Replaced a test with an assertion.Raymond Hettinger2004-09-281-3/+1
| | | | (Suggested by Michael Hudson.)
* Fix for SF bug #1029475 : reload() doesn't work with PEP 302 loaders.Phillip J. Eby2004-09-231-4/+10
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* SF patch #1031667: Fold tuples of constants into a single constantRaymond Hettinger2004-09-222-12/+93
| | | | | | | | Example: >>> import dis >>> dis.dis(compile('1,2,3', '', 'eval')) 0 0 LOAD_CONST 3 ((1, 2, 3)) 3 RETURN_VALUE
* SF bug #1014215: Unspecific errors with metaclassRaymond Hettinger2004-09-161-4/+16
| | | | | | | | | | | | | | High level error message was stomping useful detailed messages from lower level routines. The new approach is to augment string error messages returned by the low level routines. The provides both high and low level information. If the exception value is not a string, no changes are made. To see the improved messages in action, type: import random class R(random): pass class B(bool): pass
* SF patch #1007189, multi-line imports, for instance:Anthony Baxter2004-08-313-826/+897
| | | | | "from blah import (foo, bar baz, bongo)"
* Centralize WITH_TSC processing.Martin v. Löwis2004-08-291-37/+3
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* Bypass peepholing of code with lineno tables having intervals >= 255.Raymond Hettinger2004-08-251-4/+8
| | | | | | | | Allows the lineno fixup code to remain simple and not have to deal with multibyte codings. * Add an assertion to that effect. * Remove the XXX comment on the subject.
* Fix typo in comment and add clarification.Raymond Hettinger2004-08-251-1/+2
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* Patch #1015021: Stop claiming that coerce can return None.Martin v. Löwis2004-08-251-4/+4
| | | | Will backport to 2.3.
* Simplify chains of conditional jumps.Raymond Hettinger2004-08-251-2/+25
| | | | (Suggested by Neal Norwitz.)
* Stop producing or using OverflowWarning. PEP 237 thought this wouldTim Peters2004-08-251-1/+3
| | | | | | | happen in 2.3, but nobody noticed it still was getting generated (the warning was disabled by default). OverflowWarning and PyExc_OverflowWarning should be removed for 2.5, and left notes all over saying so.
* Incorporate review comments courtesy of Neal Norwitz:Raymond Hettinger2004-08-241-6/+8
| | | | | | | | | * Perform the code length check earlier. * Eliminate the extra PyMem_Free() upon hitting an EXTENDED_ARG. * Assert that the NOP count used in jump retargeting matches the NOPs eliminated in the final step. * Add an XXX note to indicate that more work is being to done to handle linenotab with intervals > 255.
* SF Patch #1013667: Cleanup Peepholer OutputRaymond Hettinger2004-08-232-36/+102
| | | | | | | | | * Make a pass to eliminate NOPs. Produce code that is more readable, more compact, and a tiny bit faster. Makes the peepholer more flexible in the scope of allowable transformations. * With Guido's okay, bumped up the magic number so that this patch gets widely exercised before the alpha goes out.
* Patch #900727: Add Py_InitializeEx to allow embedding without signals.Martin v. Löwis2004-08-191-2/+10
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* Move the bytecode optimizer upstream so that its results are saved in pycRaymond Hettinger2004-08-181-3/+6
| | | | | | | | | | | | | | files and not re-optimized upon import. Saves a bit of startup time while still remaining decoupled from the rest of the compiler. As a side benefit, handcoded bytecode is not run through the optimizer when new code objects are created. Hopefully, a handcoder has already created exactly what they want to have run. (Idea suggested by Armin Rigo and Michael Hudson. Initially avoided because of worries about compiler coupling; however, only the nexus point needed to be moved so there won't be a conflict when the AST branch is loaded.)
* This is Mark Russell's patch:Michael W. Hudson2004-08-172-37/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [ 1009560 ] Fix @decorator evaluation order From the description: Changes in this patch: - Change Grammar/Grammar to require newlines between adjacent decorators. - Fix order of evaluation of decorators in the C (compile.c) and python (Lib/compiler/pycodegen.py) compilers - Add better order of evaluation check to test_decorators.py (test_eval_order) - Update the decorator documentation in the reference manual (improve description of evaluation order and update syntax description) and the comment: Used Brett's evaluation order (see http://mail.python.org/pipermail/python-dev/2004-August/047835.html) (I'm checking this in for Anthony who was having problems getting SF to talk to him)
* The attached patch fixes FTBFS on GNU/k*BSD. The problem happens on GNU/k*BSDMatthias Klose2004-08-161-0/+10
| | | | | | | | | | because GNU/k*BSD uses gnu pth to provide pthreads, but will also happen on any system that does the same. python fails to build because it doesn't detect gnu pth in pthread emulation. See C comments in patch for details. patch taken from http://bugs.debian.org/264315
* Correct the order of application for decorators. Meant to be bottom-up and notBrett Cannon2004-08-151-1/+4
| | | | top-down. Now matches the PEP.
* Fix incorrect comment for (struct compiling)->c_cellvarsBrett Cannon2004-08-151-1/+1
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* This is my patch:Michael W. Hudson2004-08-122-2/+34
| | | | | | [ 1005891 ] support --with-tsc on PPC plus a trivial change to settscdump's docstring and a Misc/NEWS entry.
* code_new(): Wouldn't compile on Windows, because of gcc'ism.Tim Peters2004-08-121-1/+1
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* Fix bugMichael W. Hudson2004-08-121-27/+88
| | | | | | | | | | [ 1005248 ] new.code() not cleanly checking its arguments using the result of new.code() can still destroy the sun, but merely calling the function shouldn't any more. I also rewrote the existing tests of new.code() to use vastly less un-bogus arguments, and added tests for the previous insane behaviours.
* Patch #1005468: Disambiguate "min() or max()" exception string.Martin v. Löwis2004-08-121-3/+4
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* This was quite a dark bug in my recent in-place string concatenationArmin Rigo2004-08-071-1/+1
| | | | | | hack: it would resize *interned* strings in-place! This occurred because their reference counts do not have their expected value -- stringobject.c hacks them. Mea culpa.
* Subclasses of string can no longer be interned. The semantics ofJeremy Hylton2004-08-071-0/+5
| | | | | | | | | | | interning were not clear here -- a subclass could be mutable, for example -- and had bugs. Explicitly interning a subclass of string via intern() will raise a TypeError. Internal operations that attempt to intern a string subclass will have no effect. Added a few tests to test_builtin that includes the old buggy code and verifies that calls like PyObject_SetAttr() don't fail. Perhaps these tests should have gone in test_string.
* FixMichael W. Hudson2004-08-071-9/+7
| | | | | | | | | [ 991812 ] PyArg_ParseTuple can miss errors with warnings as exceptions as suggested in the report. This is definitely a 2.3 candidate (as are most of the checkins I've made in the last month...)
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