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ValueContainer.py
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ValueContainer.py
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# Copyright (C) 2015 Manuel Hirschauer (manuel@hirschauer.net)
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# For questions regarding this module contact
# Manuel Hirschauer <manuel@hirschauer.net>
from __future__ import with_statement
import os
class ValueContainer():
"""
Keeps hold of variables that can be restored at any point.
It can store values and reload them from a local file.
Store a variable from any helper/controller:
C{self.yaas._value_container.set_value(chain_name + device.parameters[1].name, device.parameters[1].value)}
Retrieve variable:
C{if self.yaas._value_container.has_value(chain_name + device.parameters[1].name):}
C{device.parameters[1].value = self.yaas._value_container.get_single_value(chain_name + device.parameters[1].name)}
"""
def __init__(self, parent):
self._parent = parent
self.loadValues()
def set_value(self, key, value):
if isinstance(value, list):
self._values[key] = value
else:
self._values[key] = [value]
self.storeValues()
def get_value(self, key):
if self.has_value(key):
return self._values[key]
def get_single_value(self, key):
value = self.get_value(key)[0]
if isinstance(value, str):
return float(value)
return value
def has_value(self, key):
return self._values.has_key(key)
def values(self):
return self._values
"""
#!/usr/local/bin/python
# Python: Retrieve filename of currently-open Ableton Live set
# based on inspecting Live's last Log.txt.
import re
import os
import glob
# Use Log.txt corresponding to latest Live version. eg:
# ~/Library/Preferences/Ableton/Live\ 9.0.6/Log.txt
root = os.path.expanduser("~/Library/Preferences/Ableton")
logfiles = glob.glob("%s/Live */Log.txt" % root)
regexp = "file://.*\.als$"
if logfiles:
logfile = list(sorted(logfiles))[-1]
# print "(using logfile %s)" % logfile
contents = file(logfile).readlines()
projects = filter(lambda line: re.search(regexp, line), contents)
project = projects[-1].strip()
project = os.path.basename(project)
print project
"""
def loadValues(self):
self._values = {}
if os.path.isfile(__file__ + '_data.pkl'):
with open(__file__ + '_data.pkl', 'r') as f:
for line in f:
line = line[:-2]
keyvalue = line.split("=")
key = keyvalue[0]
valuearray = keyvalue[1]
values = valuearray.split(';')
self._values[key] = values
def storeValues(self):
storage_file = open(__file__ + '_data.pkl', 'wb')
for key in self._values.keys():
value = ''
if isinstance(self._values[key], list):
for index in range(len(self._values[key])):
value += str(self._values[key][index]) + ';'
else:
value = self._values[key]
storage_file.write(key + '=' + str(value) + "\n")
storage_file.close()