1 ###############################################################
2 # lilylib.py -- options and stuff
4 # source file of the GNU LilyPond music typesetter
6 # (c) 1998--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
7 # Jan Nieuwenhuizen <janneke@gnu.org>
17 ################################################################
18 # Users of python modules should include this snippet
19 # and customize variables below.
22 # Python 2.5 only accepts strings with proper Python internal encoding
23 # (i.e. ASCII or Unicode) when writing to stdout/stderr, so we must
24 # use ugettext iso gettext, and encode the string when writing to
27 localedir
= '@localedir@'
30 t
= gettext
.translation ('lilypond', localedir
)
37 # Urg, Python 2.4 does not define stderr/stdout encoding
38 # Maybe guess encoding from LANG/LC_ALL/LC_CTYPE?
40 def encoded_write(f
, s
):
41 f
.write (s
.encode (f
.encoding
or 'utf_8'))
43 # ugh, Python 2.5 optparse requires Unicode strings in some argument
44 # functions, and refuse them in some other places
45 def display_encode (s
):
46 return s
.encode (sys
.stderr
.encoding
or 'utf_8')
49 encoded_write (sys
.stderr
, s
)
51 progress
= stderr_write
53 def require_python_version ():
54 if sys
.hexversion
< 0x02040000:
55 stderr_write ("Python 2.4 or newer is required to run this program.\n\
56 Please upgrade Python from http://python.org/download/, and if you use MacOS X,\n\
57 please read 'Setup for MacOS X' in Application Usage.")
58 os
.system ("open http://python.org/download/")
61 # Modified version of the commands.mkarg(x), which always uses
62 # double quotes (since Windows can't handle the single quotes:
72 def command_name (cmd
):
73 # Strip all stuf after command,
74 # deal with "((latex ) >& 1 ) .." too
75 cmd
= re
.match ('([\(\)]*)([^\\\ ]*)', cmd
).group (2)
76 return os
.path
.basename (cmd
)
78 def subprocess_system (cmd
,
85 show_progress
= progress_p
86 name
= command_name (cmd
)
91 progress (_ ("Invoking `%s\'") % cmd
)
93 progress ( _("Running %s...") % name
)
98 stdout_setting
= subprocess
.PIPE
100 proc
= subprocess
.Popen (cmd
,
102 universal_newlines
=True,
103 stdout
=stdout_setting
,
104 stderr
=stdout_setting
)
111 log
= proc
.communicate ()
112 retval
= proc
.returncode
116 print >>sys
.stderr
, 'command failed:', cmd
118 print >>sys
.stderr
, "Child was terminated by signal", -retval
120 print >>sys
.stderr
, "Child returned", retval
123 print >>sys
.stderr
, "Error ignored"
125 if not show_progress
:
132 def ossystem_system (cmd
,
139 name
= command_name (cmd
)
142 progress (_ ("Invoking `%s\'") % cmd
)
144 progress ( _("Running %s...") % name
)
146 retval
= os
.system (cmd
)
148 print >>sys
.stderr
, 'command failed:', cmd
150 print >>sys
.stderr
, "Child was terminated by signal", -retval
152 print >>sys
.stderr
, "Child returned", retval
155 print >>sys
.stderr
, "Error ignored"
162 system
= subprocess_system
163 if sys
.platform
== 'mingw32':
165 ## subprocess x-compile doesn't work.
166 system
= ossystem_system
168 def strip_extension (f
, ext
):
169 (p
, e
) = os
.path
.splitext (f
)
175 def search_exe_path (name
):
176 p
= os
.environ
['PATH']
177 exe_paths
= p
.split (':')
179 full
= os
.path
.join (e
, name
)
180 if os
.path
.exists (full
):
185 def print_environment ():
186 for (k
,v
) in os
.environ
.items ():
187 sys
.stderr
.write ("%s=\"%s\"\n" % (k
, v
))
189 class NonDentedHeadingFormatter (optparse
.IndentedHelpFormatter
):
190 def format_heading(self
, heading
):
192 return heading
[0].upper() + heading
[1:] + ':\n'
194 def format_option_strings(self
, option
):
196 if option
._short
_opts
and option
._long
_opts
:
200 if option
.takes_value():
201 metavar
= '=%s' % option
.metavar
or option
.dest
.upper()
203 return "%3s%s %s%s" % (" ".join (option
._short
_opts
),
205 " ".join (option
._long
_opts
),
208 def format_usage(self
, usage
):
209 return _("Usage: %s") % usage
+ '\n'
211 def format_description(self
, description
):
214 def get_option_parser (*args
, **kwargs
):
215 p
= optparse
.OptionParser (*args
, **kwargs
)
216 p
.formatter
= NonDentedHeadingFormatter ()