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The MS resource compiler simply cannot be convinced to do arithmetic

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correctly.  So field3.py is a Python program that can.  This injects
another manual step into the Python release process for Windows; so
it goes.
This commit is contained in:
Tim Peters 2002-10-11 18:25:52 +00:00
parent ce2f663c48
commit c78462fb94
2 changed files with 56 additions and 2 deletions
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23
PC/python_nt.rc
View file

@ -19,9 +19,29 @@
#endif
/* Nothing below this should need to be changed except for copyright
* notices and company name.
* notices, company name, and FIELD3. Unfortunately, all attempts
* to get the resource compiler to do arithmetic in macros have
* failed miserably -- it gives syntax errors, ignores operators,
* or does stuff that's simply bizarre.
*/
/* This is what we'd like FIELD3 to be:
*
* #define FIELD3 (PY_MICRO_VERSION*1000 + PY_RELEASE_LEVEL*10 + PY_RELEASE_SERIAL)
*
* but that neither gives an error nor comes anywhere close to working. The
* following comment and #define are output from PCbuild\field3.py:
*
* For 2.3a0,
* PY_MICRO_VERSION = 0
* PY_RELEASE_LEVEL = 'alpha' = 0xa
* PY_RELEASE_SERIAL = 1
*
* and 0*1000 + 10*10 + 1 = 101
*/
#define FIELD3 101
/* e.g., 2.1a2
* PY_VERSION comes from patchevel.h
*/
@ -37,7 +57,6 @@
#if PY_RELEASE_SERIAL > 9
# error "PY_RELEASE_SERIAL > 9"
#endif
#define FIELD3 (PY_MICRO_VERSION*1000 + PY_RELEASE_LEVEL*10 + PY_RELEASE_SERIAL)
#define PYVERSION64 PY_MAJOR_VERSION, PY_MINOR_VERSION, FIELD3, PYTHON_API_VERSION
// String Tables

35
PCbuild/field3.py Normal file
View file

@ -0,0 +1,35 @@
# An absurd workaround for the lack of arithmetic in MS's resource compiler.
# After building Python, run this, then paste the output into the appropriate
# part of PC\python_nt.rc.
# Example output:
#
# * For 2.3a0,
# * PY_MICRO_VERSION = 0
# * PY_RELEASE_LEVEL = 'alpha' = 0xA
# * PY_RELEASE_SERIAL = 1
# *
# * and 0*1000 + 10*10 + 1 = 101.
# */
# #define FIELD3 101
import sys
major, minor, micro, level, serial = sys.version_info
levelnum = {'alpha': 0xA,
'beta': 0xB,
'candidate': 0xC,
'final': 0xF,
}[level]
string = sys.version.split()[0] # like '2.3a0'
print " * For %s," % string
print " * PY_MICRO_VERSION = %d" % micro
print " * PY_RELEASE_LEVEL = %r = %s" % (level, hex(levelnum))
print " * PY_RELEASE_SERIAL = %d" % serial
print " *"
field3 = micro * 1000 + levelnum * 10 + serial
print " * and %d*1000 + %d*10 + %d = %d" % (micro, levelnum, serial, field3)
print " */"
print "#define FIELD3", field3