+# Urg, Python 2.4 does not define stderr/stdout encoding
+# Maybe guess encoding from LANG/LC_ALL/LC_CTYPE?
+
+reload (sys)
+sys.setdefaultencoding ('utf-8')
+import codecs
+sys.stdout = codecs.getwriter ('utf8') (sys.stdout)
+sys.stderr = codecs.getwriter ('utf8') (sys.stderr)
+
+def encoded_write(f, s):
+ f.write (s.encode (f.encoding or 'utf-8', 'replace'))
+
+# ugh, Python 2.5 optparse requires Unicode strings in some argument
+# functions, and refuse them in some other places
+def display_encode (s):
+ return s.encode (sys.stderr.encoding or 'utf-8', 'replace')
+
+# Lilylib globals.
+program_version = '@TOPLEVEL_VERSION@'
+program_name = os.path.basename (sys.argv[0])
+
+
+# Check if program_version contains @ characters. This will be the case if
+# the .py file is called directly while building the lilypond documentation.
+# If so, try to check for the env var LILYPOND_VERSION, which is set by our
+# makefiles and use its value.
+at_re = re.compile (r'@')
+if at_re.match (program_version):
+ if os.environ.has_key('LILYPOND_VERSION'):
+ program_version = os.environ['LILYPOND_VERSION']
+ else:
+ program_version = "unknown"
+
+
+# Logging framework: We have the following output functions:
+# error
+# warning
+# progress
+# debug
+
+loglevels = {"NONE":0, "ERROR":1, "WARN":2, "BASIC":3, "PROGRESS":4, "INFO":5, "DEBUG":6}
+
+loglevel = loglevels["PROGRESS"]
+
+def set_loglevel (l):
+ global loglevel
+ newlevel = loglevels.get (l, -1)
+ if newlevel > 0:
+ debug_output (_ ("Setting loglevel to %s") % l)
+ loglevel = newlevel
+ else:
+ error (_ ("Unknown or invalid loglevel '%s'") % l)
+
+
+def handle_loglevel_option (option, opt_str, value, parser, *args):
+ if value:
+ set_loglevel (value);
+ elif args:
+ set_loglevel (args[0]);
+
+def is_loglevel (l):
+ global loglevel
+ return loglevel >= loglevels[l];
+
+def is_verbose ():
+ return is_loglevel ("DEBUG")
+
+def stderr_write (s):
+ encoded_write (sys.stderr, s)
+
+def print_logmessage (level, s, fullmessage = True, newline = True):
+ if (is_loglevel (level)):
+ if fullmessage:
+ stderr_write (program_name + ": " + s + '\n')
+ elif newline:
+ stderr_write (s + '\n')
+ else:
+ stderr_write (s)
+
+def error (s):
+ print_logmessage ("ERROR", _ ("error: %s") % s);
+
+def warning (s):
+ print_logmessage ("WARN", _ ("warning: %s") % s);
+
+def basic_progress (s):
+ print_logmessage ("BASIC", s);
+
+def progress (s, fullmessage = False, newline = True):
+ print_logmessage ("PROGRESS", s, fullmessage, newline);
+
+def debug_output (s, fullmessage = False, newline = True):
+ print_logmessage ("DEBUG", s, fullmessage, newline);
+
+
+
+def require_python_version ():
+ if sys.hexversion < 0x02040000:
+ error ("Python 2.4 or newer is required to run this program.\n\
+Please upgrade Python from http://python.org/download/, and if you use MacOS X,\n\
+please read 'Setup for MacOS X' in Application Usage.")
+ os.system ("open http://python.org/download/")
+ sys.exit (2)
+
+# A modified version of the commands.mkarg(x) that always uses
+# double quotes (since Windows can't handle the single quotes)
+# and escapes the characters \, $, ", and ` for unix shells.