[GRASS-dev] [GRASS GIS] #3837: OSGeo4W winGRASS77svn - startup error: TypeError: endswith first arg must be bytes or a tuple of bytes, not str

[GRASS GIS]

#3837: OSGeo4W winGRASS77svn - startup error: TypeError: endswith first arg must
be bytes or a tuple of bytes, not str
--------------------------+------------------------------------
  Reporter:  hellik       |      Owner:  grass-dev@…
      Type:  defect       |     Status:  new
  Priority:  blocker      |  Milestone:  7.8.0
 Component:  Python       |    Version:  svn-trunk
Resolution:               |   Keywords:  python3, py3, wingrass
       CPU:  Unspecified  |   Platform:  MSWindows
--------------------------+------------------------------------

Comment (by hellik):

 Replying to [comment:5 pmav99]:
 > The traceback in the original post indicates that the problematic line
 is:
 > {{{
 >     if any(cmd.lower().endswith(ext.lower()) for ext in pathext):
 > }}}
 > which currently has been changed to (I guess with other changes, too):
 > {{{
 >     if any(cmd.lower().endswith(ext) for ext in pathext):
 > }}}
 > Could you please paste an updated traceback?

 https://trac.osgeo.org/grass/browser/grass/trunk/lib/python/script/core.py#L210

 {{{
 195         if sys.platform == "win32":
 196             # The current directory takes precedence on Windows.
 197             if not os.curdir in path:
 198                 path.insert(0, os.curdir)
 199
 200             # PATHEXT is necessary to check on Windows (force
 lowercase)
 201             pathext = list(map(lambda x: encode(x.lower()),
 202                                os.environ.get("PATHEXT",
 "").split(os.pathsep)))
 203             if b'.py' not in pathext:
 204                 # we assume that PATHEXT contains always '.py'
 205                 pathext.insert(0, b'.py')
 206             # See if the given file matches any of the expected path
 extensions.
 207             # This will allow us to short circuit when given
 "python.exe".
 208             # If it does match, only test that one, otherwise we have
 to try
 209             # others.
 210             if any(cmd.lower().endswith(ext) for ext in pathext):
 211                 files = [cmd]
 212             else:
 213                 files = [cmd + ext for ext in pathext]
 }}}

 {{{
 C:\>g.version -breg
 version=7.7.svn
 date=2019
 revision=r74474M
 build_date=2019-05-08
 build_platform=x86_64-w64-mingw32
 build_off_t_size=8

  ./configure  --host=x86_64-w64-mingw32 '--with-
 libs=/c/msys64/usr/src/grass_trunk/mswindows/osgeo4w/lib ' --with-
 includes=/c/OSGeo4W64/include --libexecdir=/c/OSGeo4W64/bin
 --prefix=/c/OSGeo4W64/apps/grass --bindir=/c/OSGeo4W64/bin
 --includedir=/c/OSGeo4W64/include --without-x --with-cxx --enable-shared
 --enable-largefile --with-fftw --with-freetype --with-proj-
 share=/c/OSGeo4W64/share/proj --with-
 gdal=/c/msys64/usr/src/grass_trunk/mswindows/osgeo4w/gdal-config --with-
 geos=/c/msys64/usr/src/grass_trunk/mswindows/osgeo4w/geos-config --with-
 sqlite --with-regex --with-nls --with-freetype-
 includes=/c/OSGeo4W64/include/freetype2 --with-zstd --with-odbc --with-
 cairo --with-postgres --with-opengl=windows --with-bzlib --with-
 liblas=/c/msys64/usr/src/grass_trunk/mswindows/osgeo4w/liblas-config
 libgis_revision=74118
 libgis_date="2019-02-21 10:38:28 +0100 (Thu, 21 Feb 2019) "
 proj4=5.2.0
 gdal=2.4.1
 geos=3.7.0
 sqlite=3.26.0
 }}}

 with r74474

 {{{
 C:\>g.gui wxpython
 Launching <wxpython> GUI in the background, please wait...
 Traceback (most recent call last):
   File "C:\OSGEO4~1\apps\grass\grass77/gui/wxpython/wxgui.py", line 32, in
 <module>
     from core import globalvar
   File "C:\OSGEO4~1\apps\grass\grass77\gui\wxpython\core\globalvar.py",
 line 35, in <module>
     from core.debug import Debug
   File "C:\OSGEO4~1\apps\grass\grass77\gui\wxpython\core\debug.py", line
 77, in <module>
     Debug = DebugMsg()
   File "C:\OSGEO4~1\apps\grass\grass77\gui\wxpython\core\debug.py", line
 39, in __init__
     self.SetLevel()
   File "C:\OSGEO4~1\apps\grass\grass77\gui\wxpython\core\debug.py", line
 45, in SetLevel
     self.debuglevel = int(grass.gisenv().get('WX_DEBUG', 0))
   File "C:\OSGEO4~1\apps\grass\grass77\etc\python\grass\script\core.py",
 line 1075, in gisenv
     s = read_command("g.gisenv", flags='n', env=env)
   File "C:\OSGEO4~1\apps\grass\grass77\etc\python\grass\script\core.py",
 line 495, in read_command
     process = pipe_command(*args, **kwargs)
   File "C:\OSGEO4~1\apps\grass\grass77\etc\python\grass\script\core.py",
 line 464, in pipe_command
     return start_command(*args, **kwargs)
   File "C:\OSGEO4~1\apps\grass\grass77\etc\python\grass\script\core.py",
 line 394, in start_command
     return Popen(args, **popts)
   File "C:\OSGEO4~1\apps\grass\grass77\etc\python\grass\script\core.py",
 line 54, in __init__
     cmd = shutil_which(args[0])
   File "C:\OSGEO4~1\apps\Python37\lib\shutil.py", line 1151, in which
     if any(cmd.lower().endswith(ext.lower()) for ext in pathext):
   File "C:\OSGEO4~1\apps\Python37\lib\shutil.py", line 1151, in <genexpr>
     if any(cmd.lower().endswith(ext.lower()) for ext in pathext):
 TypeError: endswith first arg must be bytes or a tuple of bytes, not str
 }}}

-- 
Ticket URL: <https://trac.osgeo.org/grass/ticket/3837#comment:6>
GRASS GIS <https://grass.osgeo.org>