Module tkintertable.Prefs
Manages preferences for Table class.
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
Source code
"""
Manages preferences for Table class.
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
"""
from __future__ import absolute_import, division, print_function
import os, pickle
class Preferences:
def __init__(self,program,defaults):
"""Find and load the preferences file"""
filename='.'+program+'_preferences'
dirs=self.get_dirs()
self.noprefs = False
try:
for ldir in dirs:
fn=os.path.join(ldir,filename)
if os.path.isfile(fn):
self.load_prefs(fn)
#self.save_prefs()
return
else:
self.noprefs = True
if self.noprefs == True:
raise
except:
# If we didn't find a file then set to default and save
print ('Did not find preferences!!!')
self.prefs=defaults.copy()
self.pref_file=os.path.join(dirs[0],filename)
self.prefs['_prefdir']=dirs[0]
self.prefs['_preffile']=self.pref_file
self.save_prefs()
# Defaults savedir?
if 'HOMEPATH' in os.environ:
self.prefs['datadir']=os.environ['HOMEPATH']
if 'HOME' in os.environ:
self.prefs['datadir']=os.environ['HOME']
if hasattr(self.prefs,'datadir'):
mydocs=os.path.join(self.prefs['datadir'],'My Documents')
if os.path.isdir(mydocs):
self.prefs['datadir']=mydocs
self.save_prefs()
return
def __del__(self):
# Make sure we save the file when killed
self.save_prefs()
return
def set(self,key,value):
# Set a key
self.prefs[key]=value
#self.save_prefs()
return
def get(self,key):
if key in self.prefs:
return self.prefs[key]
return
def delete(self,key):
if key in self.prefs:
del self.prefs[key]
else:
#raise 'No such key',key
pass
self.save_prefs()
return
def get_dirs(self):
"""Compile a prioritised list of all dirs"""
dirs=[]
keys=['HOME','HOMEPATH','HOMEDRIVE']
import os, sys
for key in keys:
if key in os.environ:
dirs.append(os.environ[key])
if 'HOMEPATH' in os.environ:
# windows
dirs.append(os.environ['HOMEPATH'])
# Drives
possible_dirs=["C:\\","D:\\","/"]
for pdir in possible_dirs:
if os.path.isdir(pdir):
dirs.append(pdir)
rdirs=[]
for dirname in dirs:
if os.path.isdir(dirname):
rdirs.append(dirname)
return rdirs
def load_prefs(self,filename):
"""Load prefs"""
self.pref_file = filename
try:
fd = open(filename,'rb')
self.prefs = pickle.load(fd)
#print (self.prefs)
fd.close()
except Exception as e:
print (e)
return
def save_prefs(self):
"""Save prefs"""
try:
fd = open(self.pref_file,'wb')
#print (self.prefs)
pickle.dump(self.prefs, fd, protocol=2)
fd.close()
except:
print ('could not save')
return
returnClasses
class Preferences (program, defaults)-
Find and load the preferences file
Source code
class Preferences: def __init__(self,program,defaults): """Find and load the preferences file""" filename='.'+program+'_preferences' dirs=self.get_dirs() self.noprefs = False try: for ldir in dirs: fn=os.path.join(ldir,filename) if os.path.isfile(fn): self.load_prefs(fn) #self.save_prefs() return else: self.noprefs = True if self.noprefs == True: raise except: # If we didn't find a file then set to default and save print ('Did not find preferences!!!') self.prefs=defaults.copy() self.pref_file=os.path.join(dirs[0],filename) self.prefs['_prefdir']=dirs[0] self.prefs['_preffile']=self.pref_file self.save_prefs() # Defaults savedir? if 'HOMEPATH' in os.environ: self.prefs['datadir']=os.environ['HOMEPATH'] if 'HOME' in os.environ: self.prefs['datadir']=os.environ['HOME'] if hasattr(self.prefs,'datadir'): mydocs=os.path.join(self.prefs['datadir'],'My Documents') if os.path.isdir(mydocs): self.prefs['datadir']=mydocs self.save_prefs() return def __del__(self): # Make sure we save the file when killed self.save_prefs() return def set(self,key,value): # Set a key self.prefs[key]=value #self.save_prefs() return def get(self,key): if key in self.prefs: return self.prefs[key] return def delete(self,key): if key in self.prefs: del self.prefs[key] else: #raise 'No such key',key pass self.save_prefs() return def get_dirs(self): """Compile a prioritised list of all dirs""" dirs=[] keys=['HOME','HOMEPATH','HOMEDRIVE'] import os, sys for key in keys: if key in os.environ: dirs.append(os.environ[key]) if 'HOMEPATH' in os.environ: # windows dirs.append(os.environ['HOMEPATH']) # Drives possible_dirs=["C:\\","D:\\","/"] for pdir in possible_dirs: if os.path.isdir(pdir): dirs.append(pdir) rdirs=[] for dirname in dirs: if os.path.isdir(dirname): rdirs.append(dirname) return rdirs def load_prefs(self,filename): """Load prefs""" self.pref_file = filename try: fd = open(filename,'rb') self.prefs = pickle.load(fd) #print (self.prefs) fd.close() except Exception as e: print (e) return def save_prefs(self): """Save prefs""" try: fd = open(self.pref_file,'wb') #print (self.prefs) pickle.dump(self.prefs, fd, protocol=2) fd.close() except: print ('could not save') return returnMethods
def delete(self, key)-
Source code
def delete(self,key): if key in self.prefs: del self.prefs[key] else: #raise 'No such key',key pass self.save_prefs() return def get(self, key)-
Source code
def get(self,key): if key in self.prefs: return self.prefs[key] return def get_dirs(self)-
Compile a prioritised list of all dirs
Source code
def get_dirs(self): """Compile a prioritised list of all dirs""" dirs=[] keys=['HOME','HOMEPATH','HOMEDRIVE'] import os, sys for key in keys: if key in os.environ: dirs.append(os.environ[key]) if 'HOMEPATH' in os.environ: # windows dirs.append(os.environ['HOMEPATH']) # Drives possible_dirs=["C:\\","D:\\","/"] for pdir in possible_dirs: if os.path.isdir(pdir): dirs.append(pdir) rdirs=[] for dirname in dirs: if os.path.isdir(dirname): rdirs.append(dirname) return rdirs def load_prefs(self, filename)-
Load prefs
Source code
def load_prefs(self,filename): """Load prefs""" self.pref_file = filename try: fd = open(filename,'rb') self.prefs = pickle.load(fd) #print (self.prefs) fd.close() except Exception as e: print (e) return def save_prefs(self)-
Save prefs
Source code
def save_prefs(self): """Save prefs""" try: fd = open(self.pref_file,'wb') #print (self.prefs) pickle.dump(self.prefs, fd, protocol=2) fd.close() except: print ('could not save') return return def set(self, key, value)-
Source code
def set(self,key,value): # Set a key self.prefs[key]=value #self.save_prefs() return