scripts/auxiliar/musicxml_generate_keys.py

   1 #!/usr/bin/env python
   2
   3 notes = "CDEFGAB"
   4 alterations = [-1, 0, 1]
   5
   6 def print_measure (nr, fifth, mode, atts1 = "", atts = "", final = ""):
   7     print """    <measure number="%s">
   8       <attributes>
   9 %s        <key>
  10           <fifths>%s</fifths>
  11           <mode>%s</mode>
  12         </key>
  13 %s      </attributes>
  14       <note>
  15         <pitch>
  16           <step>C</step>
  17           <octave>4</octave>
  18         </pitch>
  19         <duration>2</duration>
  20         <voice>1</voice>
  21         <type>half</type>
  22       </note>
  23 %s    </measure>""" % (nr, atts1, fifth, mode, atts, final)
  24
  25 first_div = """        <divisions>1</divisions>
  26 """
  27 first_atts = """        <time symbol="common">
  28           <beats>2</beats>
  29           <beat-type>4</beat-type>
  30         </time>
  31         <clef>
  32           <sign>G</sign>
  33           <line>2</line>
  34         </clef>
  35 """
  36
  37 final_barline = """      <barline location="right">
  38         <bar-style>light-heavy</bar-style>
  39       </barline>
  40 """
  41
  42 print """<?xml version="1.0" encoding="UTF-8"?>
  43 <!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 1.0 Partwise//EN"
  44                                 "http://www.musicxml.org/dtds/partwise.dtd">
  45 <score-partwise>
  46   <movement-title>Different Key signatures</movement-title>
  47   <identification>
  48     <miscellaneous>
  49       <miscellaneous-field name="description">Various key signature: from 11
  50             flats to 11 sharps (each one first one measure in major, then one
  51             measure in minor)</miscellaneous-field>
  52     </miscellaneous>
  53   </identification>
  54   <part-list>
  55     <score-part id="P1">
  56       <part-name>MusicXML Part</part-name>
  57     </score-part>
  58   </part-list>
  59   <!--=========================================================-->
  60   <part id="P1">"""
  61
  62 max_range = 11
  63 measure = 0
  64 for fifth in range(-max_range, max_range+1):
  65     measure += 1
  66     if fifth == -max_range:
  67         print_measure (measure, fifth, "major", first_div, first_atts)
  68     else:
  69         print_measure (measure, fifth, "major")
  70     measure += 1
  71     if fifth == max_range:
  72         print_measure (measure, fifth, "minor", "", "", final_barline)
  73     else:
  74         print_measure (measure, fifth, "minor")
  75
  76
  77 print """  </part>
  78 </score-partwise>"""