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@@ -3,19 +3,18 @@
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#
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# MODULE: GRASS initialization (Python)
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# AUTHOR(S): Original author unknown - probably CERL
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-# Andreas Lange - Germany - andreas.lange at rhein-main.de
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-# Huidae Cho - Korea - grass4u at gmail.com
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-# Justin Hickey - Thailand - jhickey at hpcc.nectec.or.th
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-# Markus Neteler - Germany/Italy - neteler at itc.it
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-# Hamish Bowman - New Zealand - hamish_b at yahoo,com
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+# Andreas Lange <andreas.lange rhein-main.de>
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+# Huidae Cho <grass4u gmail.com>
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+# Justin Hickey <jhickey hpcc.nectec.or.th>
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+# Markus Neteler <neteler osgeo.org>
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+# Hamish Bowman <hamish_b yahoo,com>
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# Converted to Python (based on init.sh) by Glynn Clements
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-# Martin Landa - Czech Republic - landa.martin at gmail.com
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-# PURPOSE: Sets up some environment variables.
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-# It also parses any remaining command line options for
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-# setting the GISDBASE, LOCATION, and/or MAPSET.
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-# Finally it starts GRASS with the appropriate user
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+# Martin Landa <landa.martin gmail.com>
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+# PURPOSE: Sets up environment variables, parses any remaining
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+# command line options for setting the GISDBASE, LOCATION,
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+# and/or MAPSET. Finally it starts GRASS with the appropriate user
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# interface and cleans up after it is finished.
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-# COPYRIGHT: (C) 2000-2010 by the GRASS Development Team
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+# COPYRIGHT: (C) 2000-2011 by the GRASS Development Team
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#
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# This program is free software under the GNU General
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# Public License (>=v2). Read the file COPYING that
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@@ -32,17 +31,22 @@ import re
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import platform
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# Variables substituted during build process
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-# Set the GISBASE variable
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-gisbase = "@GISBASE@"
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+if os.environ.has_key('GISBASE'):
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+ gisbase = os.environ['GISBASE']
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+else:
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+ gisbase = "@GISBASE@"
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cmd_name = "@START_UP@"
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grass_version = "@GRASS_VERSION_NUMBER@"
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ld_library_path_var = '@LD_LIBRARY_PATH_VAR@'
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-config_projshare = "@CONFIG_PROJSHARE@"
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+if os.environ.has_key('GRASS_PROJSHARE'):
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+ config_projshare = os.environ['GRASS_PROJSHARE']
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+else:
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+ config_projshare = "@CONFIG_PROJSHARE@"
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grass_config_dirname = "@GRASS_CONFIG_DIR@"
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gisbase = os.path.normpath(gisbase)
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-### i18N
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+# i18N
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import gettext
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gettext.install('grasslibs', os.path.join(gisbase, 'locale'), unicode=True)
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@@ -67,16 +71,16 @@ def try_rmdir(path):
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except:
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pass
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-def cleanup_dir(dir):
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- if not dir:
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+def cleanup_dir(path):
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+ if not path:
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return
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-
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- for root, dirs, files in os.walk(dir, topdown = False):
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+
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+ for root, dirs, files in os.walk(path, topdown = False):
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for name in files:
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- try_remove(os.path.join(root, name))
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+ try_remove(os.path.join(root, name))
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for name in dirs:
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- try_rmdir(os.path.join(root, name))
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-
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+ try_rmdir(os.path.join(root, name))
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+
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def cleanup():
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tmpdir, lockfile
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# all exits after setting up $tmpdir should also tidy it up
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@@ -90,7 +94,7 @@ def fatal(msg):
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def message(msg):
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sys.stderr.write(msg + "\n")
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sys.stderr.flush()
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-
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+
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def readfile(path):
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f = open(path, 'r')
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s = f.read()
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@@ -200,11 +204,11 @@ def create_gisrc():
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s = None
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except:
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s = None
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-
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+
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# Copy the global grassrc file to the session grassrc file
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if s:
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writefile(gisrc, s)
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-
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+
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def read_gisrc():
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kv = {}
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f = open(gisrc, 'r')
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@@ -237,7 +241,7 @@ def read_gui():
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if not grass_gui:
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grass_gui = default_gui
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-
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+
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if grass_gui == 'gui':
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grass_gui = default_gui
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@@ -276,14 +280,14 @@ def set_paths():
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path_prepend(addon_path, 'PATH')
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path_prepend(gfile('scripts'), 'PATH')
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path_prepend(gfile('bin'), 'PATH')
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-
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+
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# Set PYTHONPATH to find GRASS Python modules
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path_prepend(gfile('etc', 'python'), 'PYTHONPATH')
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-
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+
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# Add .py (Python) to list of executable extensions to search for in MS-Windows PATH
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if windows:
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path_append('.PY', 'PATHEXT')
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-
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+
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def find_exe(pgm):
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for dir in os.getenv('PATH').split(os.pathsep):
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path = os.path.join(dir, pgm)
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@@ -303,26 +307,26 @@ def set_defaults():
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else:
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pager = "cat"
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os.environ['GRASS_PAGER'] = pager
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-
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+
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# GRASS_WISH
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if not os.getenv('GRASS_WISH'):
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os.environ['GRASS_WISH'] = "wish"
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-
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+
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# GRASS_PYTHON
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if not os.getenv('GRASS_PYTHON'):
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if windows:
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os.environ['GRASS_PYTHON'] = "python.exe"
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else:
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os.environ['GRASS_PYTHON'] = "python"
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-
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+
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# GRASS_GNUPLOT
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if not os.getenv('GRASS_GNUPLOT'):
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os.environ['GRASS_GNUPLOT'] = "gnuplot -persist"
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-
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+
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# GRASS_PROJSHARE
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if not os.getenv('GRASS_PROJSHARE'):
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os.environ['GRASS_PROJSHARE'] = config_projshare
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-
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+
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def set_browser():
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# GRASS_HTML_BROWSER
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browser = os.getenv('GRASS_HTML_BROWSER')
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@@ -331,7 +335,7 @@ def set_browser():
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# OSX doesn't execute browsers from the shell PATH - route thru a script
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browser = gfile('etc', "html_browser_mac.sh")
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os.environ['GRASS_HTML_BROWSER_MACOSX'] = "-b com.apple.helpviewer"
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-
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+
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if windows or cygwin:
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# MinGW startup moved to into init.bat
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browser = "explorer"
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@@ -348,7 +352,7 @@ def set_browser():
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# OSX doesn't execute browsers from the shell PATH - route thru a script
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os.environ['GRASS_HTML_BROWSER_MACOSX'] = "-b %s" % browser
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browser = gfile('etc', "html_browser_mac.sh")
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-
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+
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if not browser:
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warning(_("Searched for a web browser, but none found"))
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# even so we set konqueror to make lib/gis/parser.c happy:
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@@ -367,11 +371,11 @@ def grass_intro():
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for line in f:
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sys.stderr.write(line)
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f.close()
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-
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+
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sys.stderr.write("\n")
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sys.stderr.write(_("Hit RETURN to continue"))
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sys.stdin.readline()
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-
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+
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#for convenience, define pwd as GISDBASE:
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s = r"""GISDBASE: %s
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LOCATION_NAME: <UNKNOWN>
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@@ -405,7 +409,7 @@ def check_gui():
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"Hit RETURN to continue.\n"))
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sys.stdin.readline()
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grass_gui = 'text'
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-
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+
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else:
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# Display a message if a graphical interface was expected
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if grass_gui != 'text':
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@@ -416,7 +420,7 @@ def check_gui():
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"Hit RETURN to continue"""))
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sys.stdin.readline()
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grass_gui = 'text'
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-
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+
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# Save the user interface variable in the grassrc file - choose a temporary
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# file name that should not match another file
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if os.access(gisrc, os.F_OK):
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@@ -428,28 +432,28 @@ def non_interactive(arg):
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global gisdbase, location_name, mapset, location
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# Try non-interactive startup
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l = None
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-
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+
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if arg == '-':
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if location:
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l = location
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else:
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l = arg
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-
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+
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if l:
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if l == '.':
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l = os.getcwd()
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elif not os.path.isabs(l):
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l = os.path.abspath(l)
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-
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+
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l, mapset = os.path.split(l)
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if not mapset:
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l, mapset = os.path.split(l)
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l, location_name = os.path.split(l)
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gisdbase = l
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-
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+
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if gisdbase and location_name and mapset:
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location = os.path.join(gisdbase, location_name, mapset)
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-
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+
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if not os.access(os.path.join(location, "WIND"), os.R_OK):
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if location_name == "PERMANENT":
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fatal(_("<%s> is not a valid GRASS location") % location)
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@@ -466,12 +470,12 @@ def non_interactive(arg):
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message(_("Missing WIND file fixed"))
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else:
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fatal(_("<%s> is not a valid GRASS location") % location)
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-
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+
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if os.access(gisrc, os.R_OK):
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kv = read_gisrc()
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else:
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kv = {}
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-
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+
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kv['GISDBASE'] = gisdbase
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kv['LOCATION_NAME'] = location_name
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kv['MAPSET'] = mapset
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@@ -479,7 +483,7 @@ def non_interactive(arg):
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else:
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fatal(_("GISDBASE, LOCATION_NAME and MAPSET variables not set properly.\n"
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"Interactive startup needed."))
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-
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+
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def set_data():
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# User selects LOCATION and MAPSET if not set
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if not location:
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@@ -493,7 +497,7 @@ def set_data():
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# Shouldn't need this but you never know
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fatal(_("Invalid user interface specified - <%s>.\n"
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"Use the --help option to see valid interface names.") % grass_gui)
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-
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+
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def gui_startup():
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if grass_gui == 'wxpython':
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thetest = call([os.getenv('GRASS_PYTHON'),
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@@ -509,7 +513,7 @@ def gui_startup():
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"Switching to text mode now.\n\n"
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"Hit RETURN to continue..."))
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sys.stdin.readline()
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-
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+
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os.execlp(cmd_name, "-text")
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sys.exit(1)
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elif thetest == 2:
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@@ -519,7 +523,7 @@ def gui_startup():
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else:
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fatal(_("Invalid return code from GUI startup script.\n"
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"Please advise GRASS developers of this error."))
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-
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+
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def load_gisrc():
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global gisdbase, location_name, mapset, location
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kv = read_gisrc()
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@@ -553,7 +557,7 @@ def check_lock():
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{ 'user' : user, 'file' : lockfile })
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else:
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msg = _("Unable to properly access \"%s\"\nPlease notify system personel.") % lockfile
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-
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+
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if msg:
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if grass_gui == "wxpython":
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thetest = call([os.getenv('GRASS_PYTHON'), os.path.join(wxpython_base, "gis_set_error.py"), msg])
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@@ -565,7 +569,7 @@ def make_fontcap():
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if fc and not os.access(fc, os.R_OK):
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message(_("Building user fontcap..."))
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call(["g.mkfontcap"])
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-
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+
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def check_shell():
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global sh, shellname
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# cygwin has many problems with the shell setup
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@@ -589,11 +593,11 @@ def check_shell():
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shellname = "Bourne Shell"
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else:
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shellname = "shell"
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-
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+
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# check for SHELL
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if not os.getenv('SHELL'):
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fatal(_("The SHELL variable is not set"))
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-
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+
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def check_batch_job():
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global batch_job
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# hack to process batch jobs:
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@@ -615,7 +619,7 @@ def check_batch_job():
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bj = Popen(shell,shell=True)
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bj.wait()
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message(_("Execution of '%s' finished.") % batch_job)
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-
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+
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def start_gui():
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# Start the chosen GUI but ignore text
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if grass_debug:
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@@ -634,7 +638,7 @@ def clear_screen():
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else:
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if not os.getenv('GRASS_BATCH_JOB') and not grass_debug:
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call(["tput", "clear"])
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-
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+
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def show_banner():
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sys.stderr.write(r"""
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__________ ___ __________ _______________
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@@ -668,43 +672,43 @@ r"""
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shellname, os.getenv('SHELL'),
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_("Help is available with the command:"),
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_("See the licence terms with:")))
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-
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+
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if grass_gui == 'wxpython':
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message("%-41sg.gui wxpython" % _("If required, restart the GUI with:"))
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else:
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message("%-41sg.gui %s" % (_("Start the GUI with:"), default_gui))
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-
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+
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message("%-41sexit" % _("When ready to quit enter:"))
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message("")
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def csh_startup():
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global exit_val
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-
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+
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userhome = os.getenv('HOME') # save original home
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home = location
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os.environ['HOME'] = home
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-
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+
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cshrc = os.path.join(home, ".cshrc")
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tcshrc = os.path.join(home, ".tcshrc")
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try_remove(cshrc)
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try_remove(tcshrc)
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-
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+
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f = open(cshrc, 'w')
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f.write("set home = %s" % userhome)
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f.write("set history = 3000 savehist = 3000 noclobber ignoreeof")
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f.write("set histfile = %s" % os.path.join(os.getenv('HOME'), ".history"))
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-
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+
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f.write("set prompt = '\\")
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f.write("Mapset <%s> in Location <%s> \\" % (mapset, location_name))
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f.write("GRASS %s > '" % grass_version)
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f.write("set BOGUS=``;unset BOGUS")
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-
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+
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path = os.path.join(userhome, ".grass.cshrc")
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if os.access(path, os.R_OK):
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f.write(readfile(path))
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-
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+
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mail_re = re.compile(r"^ *set *mail *= *")
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-
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+
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for filename in [".cshrc", ".tcshrc", ".login"]:
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path = os.path.join(userhome, filename)
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if os.access(path, os.R_OK):
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@@ -713,17 +717,17 @@ def csh_startup():
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for l in lines:
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if mail_re.match(l):
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f.write(l)
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-
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+
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path = os.getenv('PATH').split(':')
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f.write("set path = ( %s ) " % ' '.join(path))
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-
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+
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f.close()
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writefile(tcshrc, readfile(cshrc))
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-
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+
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exit_val = call([gfile("etc", "run"), os.getenv('SHELL')])
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-
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+
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os.environ['HOME'] = userhome
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-
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+
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def bash_startup():
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global exit_val
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@@ -775,7 +779,7 @@ def default_startup():
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else:
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os.environ['PS1'] = "GRASS %s (%s):\w > " % (grass_version, location_name)
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exit_val = call([gfile("etc", "run"), os.getenv('SHELL')])
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-
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+
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if exit_val != 0:
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fatal(_("Failed to start shell '%s'") % os.getenv('SHELL'))
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@@ -789,13 +793,13 @@ def done_message():
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message("")
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message(_("Goodbye from GRASS GIS"))
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message("")
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-
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+
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def clean_temp():
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message(_("Cleaning up temporary files..."))
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nul = open(os.devnull, 'w')
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call([gfile("etc", "clean_temp")], stdout = nul, stderr = nul)
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nul.close()
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-
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+
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def get_username():
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global user
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if windows:
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@@ -816,7 +820,7 @@ def get_username():
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pass
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if not user:
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user = "user_%d" % os.getuid()
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-
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+
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def parse_cmdline():
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global args, grass_gui, create_new
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args = []
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@@ -946,7 +950,7 @@ message(_("Starting GRASS GIS..."))
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check_gui()
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# Parsing argument to get LOCATION
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-if args == []:
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+if not args:
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# Try interactive startup
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location = None
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else:
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@@ -992,7 +996,7 @@ else:
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show_info()
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if grass_gui == "wxpython":
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message(_("Launching '%s' GUI in the background, please wait...") % grass_gui)
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-
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+
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if sh in ['csh', 'tcsh']:
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csh_startup()
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elif sh in ['bash', 'msh', 'cygwin']:
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@@ -1014,6 +1018,6 @@ writefile(gisrcrc, s)
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cleanup()
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-#### after this point no more grass modules may be called ####
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+# After this point no more grass modules may be called
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done_message()
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Martin Landa