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# main.py
"""
The program "MMA - Musical Midi Accompaniment" and the associated
modules distributed with it are protected by copyright.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Bob van der Poel <bob@mellowood.ca>
"""
import os
import MMA.midi
import MMA.midifuncs
import MMA.parse
import MMA.file
import MMA.options
import MMA.auto
import MMA.docs
import MMA.tempo
import MMA.debug
import MMA.paths
import MMA.writeMid
from MMA.safe_eval import safeEnv
from . import gbl
from MMA.common import *
cmdSMF = None
########################################
########################################
# This is the program mainline. It is called/executed
# exactly once from a call in the stub program mma.py.
# for some reason, someone might want a different encoding
# real easy to set it from env at startup
m = safeEnv( 'MMA_ENCODING' )
if m: # don't set to empty ... will crash
gbl.encoding = m
# MMA prints errors/warning/debug to stdout
# this will redirect to a file
gbl.logFile = safeEnv('MMA_LOGFILE')
MMA.paths.init() # initialize the lib/include paths
# Get our command line stuff
MMA.options.opts()
# LibPath and IncPath are set before option parsing, but
# debug setting wasn't. So we need to do the debug for this now
if MMA.debug.debug:
dPrint("Initialization has set LibPath set to %s" % MMA.paths.libPath)
dPrint("Initialization has set IncPath set to %s" % MMA.paths.incPath)
#######################################
# Set up initial meta track stuff. Track 0 == meta
m = gbl.mtrks[0] = MMA.midi.Mtrk(0)
if gbl.infile:
if gbl.infile != 1:
fileName = MMA.file.locFile(gbl.infile, None)
if fileName and not gbl.noCredit:
m.addTrkName(0, "%s" % fileName.rstrip(".mma"))
m.addText(0, "Created by MMA. Input filename: %s" % fileName)
m.addTempo(0, gbl.tempo) # most user files will override this
MMA.tempo.setTime(['4/4']) # and this. IMPORTANT! Sets default chordTabs[]
# Read RC files
MMA.paths.readRC()
################################################
# Update the library database file(s) (-g option)
# Note: This needs to be here, after reading of RC files
if gbl.makeGrvDefs:
if gbl.infile:
error("No filename is permitted with the -g option")
MMA.auto.libUpdate() # update and EXIT
################################
# We need an input file for anything after this point.
if not gbl.infile:
if gbl.createDocs:
gbl.lineno = -1
error("-D options require a filename.")
MMA.options.usage("No input filename specified.")
################################
# Just extract docs (-Dxh, etc) to stdout.
if gbl.createDocs:
if gbl.createDocs == 4:
MMA.docs.htmlGraph(gbl.infile)
else:
f = MMA.file.locFile(gbl.infile, None)
if not f:
error("File '%s' not found" % gbl.infile)
MMA.parse.parseFile(f)
MMA.docs.docDump()
sys.exit(0)
#########################################################
# This cmdline option overrides the setting in RC files
if MMA.options.cmdSMF is not None:
gbl.lineno = -1
MMA.midifuncs.setMidiFileType(['SMF=%s' % MMA.options.cmdSMF])
######################################
# Create the output filename
if not MMA.debug.noOutput:
MMA.paths.createOutfileName(".mid")
################################################
# Read/process files....
# First the mmastart files
MMA.paths.dommaStart()
# The song file specified on the command line
if gbl.infile == 1: # use stdin, set filename to 1
f = 1
else:
f = MMA.file.locFile(gbl.infile, None)
if not f:
gbl.lineno = -1
error("Input file '%s' not found" % gbl.infile)
MMA.parse.parseFile(f)
# Finally, the mmaend files
MMA.paths.dommaEnd()
#################################################
# Just display the channel assignments (-c) and exit...
if MMA.debug.chshow:
msg = ["\nFile '%s' parsed, but no MIDI file produced!" % gbl.infile]
msg.append("\nTracks allocated:\n")
k = list(gbl.tnames.keys())
k.sort()
max = 0
for a in k + gbl.deletedTracks:
if len(a) > max:
max = len(a)
max += 1
wrap = 0
for a in k:
wrap += max
if wrap > 60:
wrap = max
msg.append('\n')
msg.append(" %-*s" % (max, a))
msg.append('\n')
print(' '.join(msg))
if gbl.deletedTracks:
msg = ["Deleted Tracks:\n"]
wrap = 0
for a in gbl.deletedTracks:
wrap += max
if wrap > 60:
wrap = max
msg.append('\n')
msg.append(" %-*s" % (max, a),)
msg.append('\n')
print(' '.join(msg))
msg=["Channel assignments:\n"]
for c, n in sorted(gbl.midiAssigns.items()):
if n:
wrap = 3
msg.append(" %2s" % c)
for nn in n:
wrap += max
if wrap > 63:
msg.append('\n ')
wrap = max+3
msg.append(" %-*s" % (max, nn))
msg.append('\n')
print(' '.join(msg))
sys.exit(0)
MMA.writeMid.maker()
if MMA.debug.debug:
dPrint("Completed processing '%s' to '%s'." %
(gbl.infile, MMA.paths.outfile))
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