def main(argv=[]):
#If there are no arguments, use empty.txt
if len(sys.argv) <= 1:
sheet = open('data/empty.txt', 'r')
else:
#Else, try opening the file and using it. If failed, use empty.txt
try:
sheet = open(sys.argv[1], 'r')
parse = Parse(sheet)
except:
print("Corrupted file error. Starting from an empty file.")
sheet = open('data/empty.txt', 'r')
parse = Parse(sheet)
selection = 0
#List the different choices for the user
while selection != 6:
print("What would you like to do with the sheet music?\n")
print("1. Modify a note")
print("2. Add a harmony note")
print("3. Edit song info")
print("4. Modify lyrics")
print("5. Save to file")
print("6. Exit Sheet Music Maker\n")
#Print the staff in its current condition
parse.printStaff()
try:
selection = int(raw_input("\nSelection: "))
#This clause is for modifying existing notes, or harmonizing them
if selection == 1 or selection == 2:
if selection == 1:
print("Please select a note to modify...")
else:
print("Please select a note to harmonize...")
#Select the bar from which to pick a note
barNo = -1
maxBars = len(parse.staff.notes)
while barNo not in range(1, maxBars + 1):
print("Enter the bar of the note [1 - %d]:\n" % maxBars)
barNo = int(raw_input())
#Select a note from that specified bar
maxNotes = len(parse.staff.notes[barNo - 1])
if maxNotes > 1:
noteNo = -1
while noteNo not in range(1, maxNotes + 1):
print(
"Enter the number of the note in the bar [1 - %d]:\n"
% maxNotes)
noteNo = int(raw_input())
else:
noteNo = 1
#Enter a pitch for the note or harmony
if selection == 1:
pitch = raw_input(
"Enter the new pitch of the note [cb1 - g#2] or 'rest':\n"
)
else:
pitch = raw_input(
"Enter the new pitch of the note [cb1 - g#2]")
#If harmonizing, the duration must be the same as the note to be harmonized
#Otherwise, specify the new duration
if selection == 1:
duration = raw_input(
"Enter the new duration of the note (1/16 - 3/2):\n")
parse.modifyNote(barNo, noteNo, pitch, duration)
else:
parse.addHarmony(barNo, noteNo, pitch)
#This clause is for editing the title, author, lenght and time signature
elif selection == 3:
title = raw_input("Please enter the song title:\n")
author = raw_input("Please enter the song author:\n")
length = int(
raw_input(
"Please enter the number of bars in the song:\n"))
time = raw_input(
"Please enter the time signature of the song:\n")
parse.editInfo(title, author, time, length)
#Adding Lyrics
elif selection == 4:
lyrics = raw_input(
"Please enter the lyrics on a single line (syllables separated by '-', words by a space\n"
)
buf = StringIO.StringIO(lyrics)
parse.handleLyrics(buf)
buf.close()
#Saving the sheet music into a file
elif selection == 5:
f = open("data/SheetMusicMaker_Output.txt", "w")
parse.printStaff(f)
f.close()
print(
"Sheet music written to data/SheetMusicMaker_Output.txt\n")
#If an invalid selection was made, raise and error to go to the except-clause
elif selection != 6:
raise IOError
except:
#Display what kind of error was raised
print("Invalid input:", sys.exc_info()[0])
print("Try again.")
selection = 0
#Exit the program on choice No. 6
print("Exiting the program.")
sheet.close()
