buildscripts/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, atts = "", final = ""):
   7     print """    <measure number="%s">
   8       <attributes>
   9 %s        <key>
  10           <fifths>%s</fifths>
  11           <mode>%s</mode>
  12         </key>
  13       </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, atts,  fifth, mode, final)
  24
  25 first_atts = """        <divisions>1</divisions>
  26         <time symbol="common">
  27           <beats>2</beats>
  28           <beat-type>4</beat-type>
  29         </time>
  30         <clef>
  31           <sign>G</sign>
  32           <line>2</line>
  33         </clef>
  34 """
  35
  36 final_barline = """      <barline location="right">
  37         <bar-style>light-heavy</bar-style>
  38       </barline>
  39 """
  40
  41 print """<?xml version="1.0" encoding="UTF-8"?>
  42 <!DOCTYPE score-partwise PUBLIC "-//Recordare//DTD MusicXML 1.0 Partwise//EN"
  43                                 "http://www.musicxml.org/dtds/partwise.dtd">
  44 <score-partwise>
  45   <movement-title>Different Key signatures</movement-title>
  46   <part-list>
  47     <score-part id="P1">
  48       <part-name>MusicXML Part</part-name>
  49     </score-part>
  50   </part-list>
  51   <!--=========================================================-->
  52   <part id="P1">
  53 """
  54
  55 max_range = 11
  56 measure = 0
  57 for fifth in range(-max_range, max_range+1):
  58     measure += 1
  59     if fifth == -max_range:
  60         print_measure (measure, fifth, "major", first_atts)
  61     else:
  62         print_measure (measure, fifth, "major")
  63     measure += 1
  64     if fifth == max_range:
  65         print_measure (measure, fifth, "minor", "", final_barline)
  66     else:
  67         print_measure (measure, fifth, "minor")
  68
  69
  70 print """  </part>
  71 </score-partwise>
  72 """