]> git.donarmstrong.com Git - lilypond.git/blobdiff - scripts/musicxml2ly.py
MusicXML: Add possible \layout block, use autoBeaming=##f by default, allow manual...
[lilypond.git] / scripts / musicxml2ly.py
index ac0d30ba941213265189a4f9596a0694e12cc09b..e13e2625cee6eeae9e36cc17d05b2fc51ec5f7b1 100644 (file)
@@ -24,6 +24,16 @@ from rational import Rational
 # Store command-line options in a global variable, so we can access them everythwere
 options = None
 
+class Conversion_Settings:
+    def __init__(self):
+       self.ignore_beaming = False
+
+conversion_settings = Conversion_Settings ()
+# Use a global variable to store the setting needed inside a \layout block.
+# whenever we need to change a setting or add/remove an engraver, we can access 
+# this layout and add the corresponding settings
+layout_information = musicexp.Layout ()
+
 def progress (str):
     ly.stderr_write (str + '\n')
     sys.stderr.flush ()
@@ -55,7 +65,7 @@ additional_definitions = {
 def round_to_two_digits (val):
     return round (val * 100) / 100
 
-def extract_layout_information (tree):
+def extract_paper_information (tree):
     paper = musicexp.Paper ()
     defaults = tree.get_maybe_exist_named_child ('defaults')
     if not defaults:
@@ -177,6 +187,19 @@ def extract_score_information (tree):
         set_if_exists ('encoder', ids.get_encoding_person ())
         set_if_exists ('encodingdescription', ids.get_encoding_description ())
 
+        # Finally, apply the required compatibility modes
+        # Some applications created wrong MusicXML files, so we need to 
+        # apply some compatibility mode, e.g. ignoring some features/tags
+        # in those files
+        software = ids.get_encoding_software_list ()
+
+        # Case 1: "Sibelius 5.1" with the "Dolet 3.4 for Sibelius" plugin
+        #         is missing all beam ends => ignore all beaming information
+        if "Dolet 3.4 for Sibelius" in software:
+            conversion_settings.ignore_beaming = True
+            progress (_ ("Encountered file created by Dolet 3.4 for Sibelius, containing wrong beaming information. All beaming information in the MusicXML file will be ignored"))
+        # TODO: Check for other unsupported features
+
     return header
 
 class PartGroupInfo:
@@ -248,9 +271,9 @@ def staff_attributes_to_lily_staff (mxl_attr):
             clef_sign = {"percussion": "percussion", "TAB": "tab"}.get (sign.get_text (), None)
 
     lines = 5
-    details = attributes.get_maybe_exist_named_child ('staff-details')
-    if details:
-        staff_lines = details.get_maybe_exist_named_child ('staff-lines')
+    details = attributes.get_named_children ('staff-details')
+    for d in details:
+        staff_lines = d.get_maybe_exist_named_child ('staff-lines')
         if staff_lines:
             lines = string.atoi (staff_lines.get_text ())
 
@@ -271,10 +294,10 @@ def staff_attributes_to_lily_staff (mxl_attr):
     return staff
 
 
-def extract_score_layout (part_list, staffinfo):
-    layout = musicexp.StaffGroup (None)
+def extract_score_structure (part_list, staffinfo):
+    structure = musicexp.StaffGroup (None)
     if not part_list:
-        return layout
+        return structure
 
     def read_score_part (el):
         if not isinstance (el, musicxml.Score_part):
@@ -399,8 +422,8 @@ def extract_score_layout (part_list, staffinfo):
     if len (staves) == 1:
         return staves[0]
     for i in staves:
-        layout.append_staff (i)
-    return layout
+        structure.append_staff (i)
+    return structure
 
 
 
@@ -1256,11 +1279,11 @@ def musicxml_note_to_lily_main_event (n):
         if drum_type:
             event.drum_type = drum_type
         else:
-            n.message ("drum %s type unknown, please add to instrument_drumtype_dict" % n.instrument_name)
+            n.message (_ ("drum %s type unknown, please add to instrument_drumtype_dict") % n.instrument_name)
             event.drum_type = 'acousticsnare'
 
     else:
-        n.message ("cannot find suitable event")
+        n.message (_ ("cannot find suitable event"))
 
     if event:
        event.duration = musicxml_duration_to_lily (n)
@@ -1477,7 +1500,7 @@ def musicxml_voice_to_lily_voice (voice):
                 voice_builder.jumpto (n._when)
             except NegativeSkip, neg:
                 voice_builder.correct_negative_skip (n._when)
-                n.message ("Negative skip? from %s to %s, diff %s" % (neg.here, neg.dest, neg.dest - neg.here))
+                n.message (_ ("Negative skip found: from %s to %s, difference is %s") % (neg.here, neg.dest, neg.dest - neg.here))
             
         if isinstance (n, musicxml.Attributes):
             if n.is_first () and n._measure_position == Rational (0):
@@ -1675,7 +1698,7 @@ def musicxml_voice_to_lily_voice (voice):
         mxl_beams = [b for b in n.get_named_children ('beam')
                      if (b.get_type () in ('begin', 'end')
                          and b.is_primary ())] 
-        if mxl_beams:
+        if mxl_beams and not conversion_settings.ignore_beaming:
             beam_ev = musicxml_spanner_to_lily_event (mxl_beams[0])
             if beam_ev:
                 ev_chord.append (beam_ev)
@@ -1862,6 +1885,12 @@ Copyright (c) 2005--2008 by
                   dest = "convert_directions",
                   help = _ ("do not convert directions (^, _ or -) for articulations, dynamics, etc."))
 
+    p.add_option ('--no-beaming', 
+                  action = "store_false",
+                  default = True,
+                  dest = "convert_beaming",
+                  help = _ ("do not convert beaming information, use lilypond's automatic beaming instead"))
+
     p.add_option ('-o', '--output',
                   metavar = _ ("FILE"),
                   action = "store",
@@ -1949,6 +1978,11 @@ def update_score_setup (score_structure, part_list, voices):
             staves_info.append (format_staff_info (part_id, None, thisstaff_raw_voices))
         score_structure.set_part_information (part_id, staves_info)
 
+# Set global values in the \layout block, like auto-beaming etc.
+def update_layout_information ():
+    if not conversion_settings.ignore_beaming and layout_information:
+        layout_information.set_context_item ('Score', 'autoBeaming = ##f')
+
 def print_ly_preamble (printer, filename):
     printer.dump_version ()
     printer.print_verbatim ('%% automatically converted from %s\n' % filename)
@@ -2009,21 +2043,24 @@ def read_musicxml (filename, compressed, use_lxml):
 
 def convert (filename, options):
     progress (_ ("Reading MusicXML from %s ...") % filename)
-    
+
     tree = read_musicxml (filename, options.compressed, options.use_lxml)
+    score_information = extract_score_information (tree)
+    paper_information = extract_paper_information (tree)
+
     parts = tree.get_typed_children (musicxml.Part)
     (voices, staff_info) = get_all_voices (parts)
 
     score_structure = None
     mxl_pl = tree.get_maybe_exist_typed_child (musicxml.Part_list)
     if mxl_pl:
-        score_structure = extract_score_layout (mxl_pl, staff_info)
+        score_structure = extract_score_structure (mxl_pl, staff_info)
         part_list = mxl_pl.get_named_children ("score-part")
 
     # score information is contained in the <work>, <identification> or <movement-title> tags
-    score_information = extract_score_information (tree)
-    layout_information = extract_layout_information (tree)
     update_score_setup (score_structure, part_list, voices)
+    # After the conversion, update the list of settings for the \layout block
+    update_layout_information ()
 
     if not options.output_name:
         options.output_name = os.path.basename (filename) 
@@ -2043,6 +2080,8 @@ def convert (filename, options):
     print_ly_additional_definitions (printer, filename)
     if score_information:
         score_information.print_ly (printer)
+    if paper_information:
+        paper_information.print_ly (printer)
     if layout_information:
         layout_information.print_ly (printer)
     print_voice_definitions (printer, part_list, voices)
@@ -2084,6 +2123,7 @@ def main ():
         musicexp.set_pitch_language (options.language)
         needed_additional_definitions.append (options.language)
         additional_definitions[options.language] = "\\include \"%s.ly\"\n" % options.language
+    conversion_settings.ignore_beaming = not options.convert_beaming
 
     # Allow the user to leave out the .xml or xml on the filename
     filename = get_existing_filename_with_extension (args[0], "xml")