[GRASS-dev] [GRASS GIS] #3704: ctypes compilation error with Python-3.7

GRASS GIS trac at osgeo.org
Sat Dec 8 11:46:13 PST 2018 

#3704: ctypes compilation error with Python-3.7
-----------------------------+-------------------------
 Reporter:  neteler          |      Owner:  grass-dev@…
     Type:  defect           |     Status:  new
 Priority:  normal           |  Milestone:  7.8.0
Component:  Python           |    Version:  svn-trunk
 Keywords:  ctypes, python3  |        CPU:  Unspecified
 Platform:  Unspecified      |
-----------------------------+-------------------------
 I checked compilation of trunk with Python3 (using virtualenv) and get a
 compile error in ctypes:

 {{{
 (grasspy3) [mneteler at oboe ctypes ]$ cd
 /home/mneteler/software/grass77/lib/python/ctypes/

 (grasspy3) [mneteler at oboe ctypes ]$ make
 make /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib
 make[1]: Entering directory
 '/home/mneteler/software/grass77/lib/python/ctypes'
 make[1]: '/home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib' is up to date.
 make[1]: Leaving directory
 '/home/mneteler/software/grass77/lib/python/ctypes'
 make OBJ.x86_64-pc-linux-gnu/date.py OBJ.x86_64-pc-linux-gnu/gis.py
 OBJ.x86_64-pc-linux-gnu/raster.py OBJ.x86_64-pc-linux-gnu/gmath.py
 OBJ.x86_64-pc-linux-gnu/proj.py OBJ.x86_64-pc-linux-gnu/imagery.py
 OBJ.x86_64-pc-linux-gnu/vector.py OBJ.x86_64-pc-linux-gnu/rtree.py
 OBJ.x86_64-pc-linux-gnu/display.py OBJ.x86_64-pc-linux-gnu/stats.py
 OBJ.x86_64-pc-linux-gnu/dbmi.py OBJ.x86_64-pc-linux-gnu/raster3d.py
 OBJ.x86_64-pc-linux-gnu/arraystats.py OBJ.x86_64-pc-linux-gnu/cluster.py
 OBJ.x86_64-pc-linux-gnu/vedit.py OBJ.x86_64-pc-linux-gnu/segment.py
 OBJ.x86_64-pc-linux-gnu/rowio.py OBJ.x86_64-pc-linux-gnu/temporal.py
 OBJ.x86_64-pc-linux-gnu/ogsf.py OBJ.x86_64-pc-linux-gnu/nviz.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/date.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/gis.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/raster.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/gmath.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/proj.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/imagery.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/vector.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/rtree.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/display.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/stats.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/dbmi.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/raster3d.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/arraystats.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/cluster.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/vedit.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/segment.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/rowio.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/temporal.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/ogsf.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/nviz.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/__init__.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/ctypes_preamble.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/ctypes_loader.py
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/date.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/gis.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/raster.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/gmath.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/proj.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/imagery.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/vector.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/rtree.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/display.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/stats.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/dbmi.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/raster3d.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/arraystats.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/cluster.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/vedit.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/segment.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/rowio.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/temporal.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/ogsf.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/nviz.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/__init__.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/ctypes_preamble.pyc
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/etc/python/grass/lib/ctypes_loader.pyc
 make[1]: Entering directory
 '/home/mneteler/software/grass77/lib/python/ctypes'
 GISRC=/home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/demolocation/.grassrc77
 GISBASE=/home/mneteler/software/grass77/dist.x86_64-pc-linux-gnu
 PATH="/home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/bin:/home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/bin:/home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/scripts:$PATH" PYTHONPATH="/home/mneteler/software/grass77/dist.x86_64
 -pc-linux-gnu/etc/python:/home/mneteler/software/grass77/dist.x86_64-pc-
 linux-gnu/gui/wxpython:$PYTHONPATH"
 LD_LIBRARY_PATH="/home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/bin:/home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/bin:/home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/scripts:/home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/lib:/home/mneteler/software/grass77/dist.x86_64-pc-linux-gnu/lib:"
 LC_ALL=C LANG=C LANGUAGE=C ./ctypesgen.py --cpp "gcc -E
 -I/home/mneteler/software/grass77/dist.x86_64-pc-linux-gnu/include
 -I/home/mneteler/software/grass77/dist.x86_64-pc-linux-gnu/include
 -D__GLIBC_HAVE_LONG_LONG" -lgrass_datetime.7.7.svn
 /home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/include/grass/datetime.h /home/mneteler/software/grass77/dist.x86_64
 -pc-linux-gnu/include/grass/defs/datetime.h -o OBJ.x86_64-pc-linux-
 gnu/date.py
 Status: Preprocessing /home/mneteler/tmp/tmpzwarkrsu.h
 Status: gcc -E       -I/home/mneteler/software/grass77/dist.x86_64-pc-
 linux-gnu/include -I/home/mneteler/software/grass77/dist.x86_64-pc-linux-
 gnu/include -D__GLIBC_HAVE_LONG_LONG -U __GNUC__ -dD "-Dinline="
 "-D__inline__=" "-D__extension__=" "-D_Bool=uint8_t" "-D__const=const"
 "-D__asm__(x)=" "-D__asm(x)=" "-DCTYPESGEN=1"
 "/home/mneteler/tmp/tmpzwarkrsu.h"
 Traceback (most recent call last):
   File "/usr/lib64/python3.7/sre_parse.py", line 1021, in parse_template
     this = chr(ESCAPES[this][1])
 KeyError: '\\x'

 During handling of the above exception, another exception occurred:

 Traceback (most recent call last):
   File "./ctypesgen.py", line 162, in <module>
     descriptions = ctypesgencore.parser.parse(options.headers, options)
   File
 "/home/mneteler/software/grass77/lib/python/ctypes/ctypesgencore/parser/__init__.py",
 line 22, in parse
     parser.parse()
   File
 "/home/mneteler/software/grass77/lib/python/ctypes/ctypesgencore/parser/datacollectingparser.py",
 line 74, in parse
     ctypesparser.CtypesParser.parse(self, fname, False)
   File
 "/home/mneteler/software/grass77/lib/python/ctypes/ctypesgencore/parser/cparser.py",
 line 122, in parse
     self.preprocessor_parser.parse(filename)
   File
 "/home/mneteler/software/grass77/lib/python/ctypes/ctypesgencore/parser/preprocessor.py",
 line 222, in parse
     token = self.lexer.token()
   File
 "/home/mneteler/software/grass77/lib/python/ctypes/ctypesgencore/parser/preprocessor.py",
 line 63, in token
     result = lex.Lexer.token(self)
   File
 "/home/mneteler/software/grass77/lib/python/ctypes/ctypesgencore/parser/lex.py",
 line 355, in token
     newtok = func(tok)
   File
 "/home/mneteler/software/grass77/lib/python/ctypes/ctypesgencore/parser/pplexer.py",
 line 284, in t_ANY_string_literal
     t.value = StringLiteral(t.value)
   File
 "/home/mneteler/software/grass77/lib/python/ctypes/ctypesgencore/parser/pplexer.py",
 line 82, in __new__
     r'\x0\1', value[1:-1])
   File "/usr/lib64/python3.7/re.py", line 192, in sub
     return _compile(pattern, flags).sub(repl, string, count)
   File "/usr/lib64/python3.7/re.py", line 309, in _subx
     template = _compile_repl(template, pattern)
   File "/usr/lib64/python3.7/re.py", line 300, in _compile_repl
     return sre_parse.parse_template(repl, pattern)
   File "/usr/lib64/python3.7/sre_parse.py", line 1024, in parse_template
     raise s.error('bad escape %s' % this, len(this))
 re.error: bad escape \x at position 0
 make[1]: *** [Makefile:102: OBJ.x86_64-pc-linux-gnu/date.py] Error 1
 make[1]: Leaving directory
 '/home/mneteler/software/grass77/lib/python/ctypes'
 make: *** [Makefile:81: default] Error 2
 }}}

 Any idea how to fix that?

-- 
Ticket URL: <https://trac.osgeo.org/grass/ticket/3704>
GRASS GIS <https://grass.osgeo.org>

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