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# encoding: utf-8
"""
Copyright 2011 iACT, Universite de Montreal, Jean Piche, Olivier Belanger, Jean-Michel Dumas
This file is part of Cecilia 5.
Cecilia 5 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 3 of the License, or
(at your option) any later version.
Cecilia 5 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 Cecilia 5. If not, see <http://www.gnu.org/licenses/>.
"""
import sys, os
import unicodedata
from .constants import *
from pyo import pa_get_default_devices_from_host
if sys.version_info[0] < 3:
unicode_t = unicode
else:
unicode_t = str
CeciliaVar = dict()
CeciliaVar['DEBUG'] = 0
# System variables
CeciliaVar['systemPlatform'] = sys.platform
CeciliaVar['numDisplays'] = 1
CeciliaVar['displaySize'] = []
CeciliaVar['displayOffset'] = []
CeciliaVar['mainFrame'] = None
# Path of the currently opened file
CeciliaVar['currentCeciliaFile'] = ''
CeciliaVar['lastCeciliaFile'] = ''
CeciliaVar['builtinModule'] = False
CeciliaVar['currentModuleRef'] = None
CeciliaVar['currentModule'] = None
# Save path for the various dialogs that pops
CeciliaVar['openFilePath'] = os.path.expanduser('~')
CeciliaVar['saveFilePath'] = os.path.expanduser('~')
CeciliaVar['openAudioFilePath'] = os.path.expanduser('~')
CeciliaVar['saveAudioFilePath'] = os.path.expanduser('~')
CeciliaVar['grapherLinePath'] = os.path.expanduser('~')
# Boolean that says if file was modified since last save
CeciliaVar['isModified'] = False
CeciliaVar['presetToLoad'] = None
# Audio / Midi
CeciliaVar['availableAudioOutputs'] = []
CeciliaVar['availableAudioOutputIndexes'] = []
CeciliaVar['availableAudioInputs'] = []
CeciliaVar['availableAudioInputIndexes'] = []
CeciliaVar['availableMidiOutputs'] = []
CeciliaVar['availableMidiOutputIndexes'] = []
CeciliaVar['availableMidiInputs'] = []
CeciliaVar['availableMidiInputIndexes'] = []
# Preferences variables
CeciliaVar['soundfilePlayer'] = ''
CeciliaVar['soundfileEditor'] = ''
CeciliaVar['textEditor'] = ''
CeciliaVar['prefferedPath'] = ''
CeciliaVar['rememberedSound'] = True
# Visual variables
CeciliaVar['useTooltips'] = 1
CeciliaVar['graphTexture'] = 1
CeciliaVar['moduleDescription'] = ''
CeciliaVar['interfaceWidgets'] = []
CeciliaVar['interface'] = None
CeciliaVar['interfaceSize'] = (1000, 600)
CeciliaVar['interfacePosition'] = (0, 25)
CeciliaVar['grapher'] = None
CeciliaVar['gainSlider'] = None
CeciliaVar['plugins'] = [None] * NUM_OF_PLUGINS
CeciliaVar['userSliders'] = []
CeciliaVar['userTogglePopups'] = []
CeciliaVar['userSamplers'] = []
CeciliaVar['userInputs'] = dict()
CeciliaVar['samplerSliders'] = []
CeciliaVar['samplerTogglePopup'] = []
CeciliaVar['presets'] = dict()
CeciliaVar['initPreset'] = None
CeciliaVar['presetPanel'] = None
CeciliaVar['tooltips'] = []
# Performance variables
CeciliaVar['toDac'] = True
CeciliaVar['outputFile'] = ''
CeciliaVar['totalTime'] = 30.0
CeciliaVar['defaultTotalTime'] = 30.0
CeciliaVar['startOffset'] = 0.0
CeciliaVar['globalFade'] = 0.005
CeciliaVar['audioServer'] = None
CeciliaVar['automaticMidiBinding'] = 0
CeciliaVar['showSpectrum'] = 0
CeciliaVar['spectrumFrame'] = None
if sys.platform.startswith("win"):
def_in, def_out = pa_get_default_devices_from_host("wasapi")
elif sys.platform.startswith("darwin"):
def_in, def_out = pa_get_default_devices_from_host("core")
else:
def_in, def_out = pa_get_default_devices_from_host("alsa")
if def_in < 0:
def_in = 0
if def_out < 0:
def_out = 0
# Server Flags
CeciliaVar['sr'] = 44100
CeciliaVar['nchnls'] = 2
CeciliaVar['defaultNchnls'] = 2
CeciliaVar['sampSize'] = 0
CeciliaVar['audioFileType'] = 'aif' # aif, wav, flac, ogg, sd2, au, caf
CeciliaVar['samplePrecision'] = '32 bit' # '32 bit', '64 bit'
CeciliaVar['bufferSize'] = '512'
CeciliaVar['audioHostAPI'] = 'portaudio'
CeciliaVar['audioOutput'] = def_out
CeciliaVar['audioInput'] = def_in
CeciliaVar['enableAudioInput'] = 0
CeciliaVar['useMidi'] = 0
CeciliaVar['useSoundDur'] = 0
CeciliaVar['midiPort'] = 'portmidi'
CeciliaVar['midiDeviceIn'] = 0
CeciliaVar['defaultFirstInput'] = 0
CeciliaVar['defaultFirstOutput'] = 0
CeciliaVar['jack'] = {'client': 'cecilia5'}
CeciliaVar['lastAudioFiles'] = ""
def ensureNFD(unistr):
if sys.platform.startswith('linux') or sys.platform == 'win32':
encodings = [DEFAULT_ENCODING, ENCODING,
'cp1252', 'iso-8859-1', 'utf-16']
format = 'NFC'
else:
encodings = [DEFAULT_ENCODING, ENCODING,
'macroman', 'iso-8859-1', 'utf-16']
format = 'NFC'
decstr = unistr
if type(decstr) != unicode_t:
for encoding in encodings:
try:
decstr = decstr.decode(encoding)
break
except UnicodeDecodeError:
continue
except:
decstr = "UnableToDecodeString"
print("Unicode encoding not in a recognized format...")
break
if decstr == "UnableToDecodeString":
return unistr
else:
return unicodedata.normalize(format, decstr)
# Reading and writing of preferences should be moved to CeciliaLib.
def readCeciliaPrefsFromFile():
if os.path.isfile(PREFERENCES_FILE):
try:
file = open(PREFERENCES_FILE, 'rt', encoding=FILE_ENCODING)
except:
print('Unable to open the preferences file.\n')
print('Cecilia will use the default preferences.\n')
return
print('Loading Cecilia Preferences...')
#### Some special cases ####
convertToInt = ['sr', 'defaultNchnls', 'audioOutput', 'audioInput', 'sampSize', 'automaticMidiBinding',
'midiDeviceIn', 'useTooltips', 'enableAudioInput', 'graphTexture', 'showSpectrum', 'useSoundDur',
'defaultFirstInput', 'defaultFirstOutput']
convertToFloat = ['defaultTotalTime', 'globalFade', 'DEBUG']
convertToTuple = ['interfaceSize', 'interfacePosition']
jackPrefs = ['client']
text = ensureNFD(file.read())
# Go through the text file to assign values to the variables
try:
for i, line in enumerate(text.splitlines()):
if i == 0:
if not line.startswith("version"):
print('preferences file from an older version not used. New preferences will be created.\n')
return
else:
if line.strip(' \n').split('=')[1] != APP_VERSION:
print('preferences file from an older version not used. New preferences will be created.\n')
return
else:
continue
pref = line.strip(' \n').split('=')
if pref[1] != '':
if pref[0] in convertToInt:
CeciliaVar[pref[0]] = int(pref[1])
elif pref[0] in convertToFloat:
CeciliaVar[pref[0]] = float(pref[1])
elif pref[0] in convertToTuple:
CeciliaVar[pref[0]] = eval(pref[1])
elif pref[0] in jackPrefs:
CeciliaVar['jack'][pref[0]] = pref[1]
else:
if pref[0] == 'audioHostAPI' and pref[1] not in AUDIO_DRIVERS:
CeciliaVar[pref[0]] = 'portaudio'
else:
CeciliaVar[pref[0]] = pref[1]
except:
print("something wrong happened when reading preferences "
"(probably character encoding/decoding problem), "
"some preferences may be lost.")
file.close()
CeciliaVar["nchnls"] = CeciliaVar["defaultNchnls"]
else:
print('Preferences file not found. Using defaults...\n')
def writeCeciliaPrefsToFile():
varsToSave = ['interfaceSize', 'interfacePosition', 'useTooltips', 'enableAudioInput', 'textEditor',
'sr', 'defaultNchnls', 'sampSize', 'audioHostAPI', 'audioFileType', 'audioOutput',
'audioInput', 'midiPort', 'midiDeviceIn', 'samplePrecision', 'client', 'graphTexture',
'globalFade', 'bufferSize', 'soundfilePlayer', 'soundfileEditor', 'prefferedPath', 'DEBUG',
'openFilePath', 'saveFilePath', 'saveAudioFilePath', 'openAudioFilePath', 'grapherLinePath',
'defaultTotalTime', 'lastAudioFiles', 'automaticMidiBinding', 'showSpectrum', 'useSoundDur',
'defaultFirstInput', 'defaultFirstOutput', 'lastCeciliaFile']
print('Writing Cecilia preferences...')
try:
file = open(PREFERENCES_FILE, 'wt')
except IOError:
print('Unable to open the preferences file.\n')
return
file.write("version=%s\n" % APP_VERSION)
for key in CeciliaVar:
if key in varsToSave:
line = '%s=%s\n' % (key, CeciliaVar[key])
file.write(line)
elif key == 'jack':
line = '%s=%s\n' % ('client', CeciliaVar[key]['client'])
file.write(line)
file.close()
readCeciliaPrefsFromFile()
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