def slot_reEnable(self, arg):
"""Handle updating and creation of database from
a configuration file.
Here the configuration editor has finished.
"""
self.gui.setEnabled(True)
if not self.configEd.getSourcePath():
message(_("No data source"))
return
errors = self.configEd.getErrorCount()
if (errors > 0):
message(_("%d files containing errors found") % errors)
return
source = CfgZip(self.configEd.getSourcePath())
if not source.isOpen():
warning(
_("The supplied configuration file (%s) could not"
" be opened. Actually this shouldn't be possible!") %
self.configEd.getSourcePath())
return
if self.newdb:
self.createNewDb(source)
else:
self.updateDbConfig(source)
source.close()
def slot_reEnable(self, arg):
"""Handle updating and creation of database from
a configuration file.
Here the configuration editor has finished.
"""
self.gui.setEnabled(True)
if not self.configEd.getSourcePath():
message(_("No data source"))
return
errors = self.configEd.getErrorCount()
if ( errors > 0):
message(_("%d files containing errors found") % errors)
return
source = CfgZip(self.configEd.getSourcePath())
if not source.isOpen():
warning(_("The supplied configuration file (%s) could not"
" be opened. Actually this shouldn't be possible!")
% self.configEd.getSourcePath())
return
if self.newdb:
self.createNewDb(source)
else:
self.updateDbConfig(source)
source.close()
def restoreConfigFile(self, db):
"""Get a parent directory for the creation of a data file.
The file to be created may not exist already.
Returns the file-name if successful, otherwise 'None'.
"""
# put up directory dialog, starting one up from dir0
dir = getDirectory(_("Parent Folder"))
if not dir: return None
datapath = os.path.join(dir, self.dbname + '.zip')
if os.path.exists(datapath):
message(_("'%1' already exists"), (datapath, ))
return None
dest = CfgZip(datapath, True) # open for writing
if not dest.isOpen():
message(_("Couldn't open '%s' for writing") % datapath)
return None
for path, data in db.getAllData():
dest.addFile(path, data)
dest.close()
message(_("Configuration saved to '%s'") % datapath)
return datapath
def restoreConfigFile(self, db):
"""Get a parent directory for the creation of a data file.
The file to be created may not exist already.
Returns the file-name if successful, otherwise 'None'.
"""
# put up directory dialog, starting one up from dir0
dir = getDirectory(_("Parent Folder"))
if not dir: return None
datapath = os.path.join(dir, self.dbname + '.zip')
if os.path.exists(datapath):
message(_("'%1' already exists"), (datapath,))
return None
dest = CfgZip(datapath, True) # open for writing
if not dest.isOpen():
message(_("Couldn't open '%s' for writing") % datapath)
return None
for path, data in db.getAllData():
dest.addFile(path, data)
dest.close()
message(_("Configuration saved to '%s'") % datapath)
return datapath
class ConfigEd:
def __init__(self, settings):
self.settings = settings
slot("ced_open", self.slot_openConfig)
slot("ced_edit", self.slot_valueChange)
slot("ced_newItem", self.slot_switchNode)
slot("ced_clone", self.slot_clone)
slot("ced_delete", self.slot_delete)
slot("ced_comment", self.slot_commentChanged)
slot("ced_pupils", self.slot_getPupils)
slot("ced_pix", self.slot_replacePix)
slot("ced_tempsave", self.slot_tempsave)
def init(self, gui):
self.sourcePath = None # For the control panel only
self.gui = gui
self.baseFolder = None # For the folder containing the active file
self.validationObject = Validate()
if not self.slot_openConfig(False):
self.gui.close()
def slot_openConfig(self, force):
"""
"""
zpath = self.settings.getSetting("configFile")
if force or (not os.path.isfile(zpath)):
dir = os.path.dirname(str(zpath))
if not os.path.isdir(dir):
dir = None
zpath = getFile(_("Choose Configuration File"),
startDir=dir, defaultSuffix="zip",
filter=(_("zip Files"), ("*.zip",)),
create=True)
if not zpath:
return False
if isinstance(zpath, unicode):
zpath = zpath.encode('utf8')
self.save() # If a folder is open, save it and close it
self.source = CfgZip(zpath)
if not self.source.isOpen():
warning(_("The supplied configuration file (%s) could"
" not be opened. A completely empty configuration"
" will be created.") % zpath)
self.baseFolder = os.path.dirname(zpath)
self.gui.setTitle(_("Config Editor: %s") % zpath)
self.gui.setLabel(_("For database: %s") % self.source.cfgName)
self.settings.setSetting("configFile", zpath)
self.buildTree()
return True
def buildTree(self):
self.currentSpec = None
self.fileDict = {}
self.nodeDict = {}
self.validationObject.init(self.fileDict)
self.gui.clearTable()
self.gui.clearTree()
self.readLevel(dataDefinition(), "")
self.checkAll()
def pathExists(self, path):
return (self.fileDict.get(path) != None)
def checkAll(self):
errorTags = self.validationObject.validateAll()
self.gui.setTreeNodeColours(errorTags)
def readLevel(self, itemlist, path):
for item in itemlist:
iname = item[0]
itype = item[1]
# If it's a directory, make directory sub-nodes
if (itype == "/"):
if iname:
self.addDir(iname, item, path)
else:
# If the name is empty, all existing directories count
dirs = self.source.listDirs(path)
if not dirs:
# Create a 'default' directory ...
self.addDir("default", item, path)
else:
dirs.sort()
for iname in dirs:
self.addDir(iname, item, path)
# Files
elif (itype == "i"):
# Image files - just make nodes for them.
# Only 'empty' file-names (in the spec) are covered
# at present!
files = self.source.listFiles(path)
files.sort()
for f in files:
self.addnode(f, joinPath(path, f), item)
elif not iname:
# The file-name can be 'empty', in which case all
# existing files count, except any starting with '_'
files = [f for f in self.source.listFiles(path)
if not f.startswith('_')]
if not files:
# Create a 'default' file ...
self.addFile(path, FDEFAULT, item)
else:
files.sort()
for f in files:
self.addFile(path, f, item)
continue
else:
self.addFile(path, iname, item)
def addDir(self, iname, item, path):
"""Add a directory node to the tree structure.
"""
newpath = joinPath(path, iname)
self.addnode(iname, newpath + '/', item)
self.readLevel(item[3:], newpath)
def addFile(self, path, iname, item, text=None):
"""Add a file to the tree structure.
If no text is supplied, get it from the file.
"""
newpath = joinPath(path.rstrip('/'), iname)
if (text == None):
text = self.source.getFile(newpath)
dic = getsini(text)
sec = self.buildSection(item[3:], dic)
comment = dic["comment"]
self.addnode(iname, newpath, list(item[:3]) + [comment, sec])
def addnode(self, iname, path, ispec):
"""Add a node to the 'directory' tree.
"""
# There is the specification record for that path
self.fileDict[path] = ispec
# And there is the graphical node, which just records the path.
# Get the parent (gui) node
ps = path.rstrip('/').rsplit('/', 1)
if (len(ps) == 1):
parent = None
else:
parent = self.nodeDict[ps[0] + '/']
node = self.gui.addnode(parent, iname, path, ispec[1], ispec[2])
self.nodeDict[path] = node
def buildSection(self, spec, vdict):
"""Build a list representing a section containing field
definitions. It will take on the values from the given
dictionary, leaving out those not in the specification list
and adding default values for those not in the dictionary.
"""
slist = []
for field, ftype, tip in spec:
ft = ftype.split("|")
val = vdict.get(field)
if (val == None):
# Get the default value
if (len(ft) > 1):
val = ft[1]
else:
val = ""
if (ft[0]== "bool"):
if (val == ""):
val = "0"
elif (val != "0"):
val = "1"
slist.append([field, val, ft, tip])
return slist
def writeSection(self, path, flist, comment):
"""Build a sini-file from the given data.
Return the text of the file.
"""
text = ''
clines = comment.splitlines()
if clines:
for cl in clines:
text += '#%s\n' % cl
for fspec in flist:
text += '%s = %s\n' % (fspec[0], fspec[1])
return text
def saveData(self, filePath, imageX=None):
"""Save all the data to a zip file.
If imageX is a directory path, get the images from there
instead of from the source file
"""
dest = CfgZip(filePath, write=True)
for f, spec in self.fileDict.items():
if f.endswith('/'):
continue
if (spec[1] == 'i'):
if not imageX:
# Image file, copy it from the source
dest.addFile(f, self.source.getFile(f))
else:
# Information file, write it in 'sini'-format
dest.addFile(f, self.writeSection(f, spec[4], spec[3]))
if imageX:
# Copy in all files ending .svg and .jpg from the given folder
try:
tlist = ["teachers/" + i
for i in os.listdir(imageX + "/teachers")]
except:
tlist = []
try:
ilist = os.listdir(imageX)
except:
ilist = []
imlist = ilist + tlist
for i in imlist:
if i.endswith(".svg") or i.endswith(".jpg"):
fpath = [imageX] + i.split('/')
dest.addFromFile(os.path.join(*fpath), "imagefiles/" + i)
dest.close()
def slot_tempsave(self, arg):
self.save(True)
def save(self, onlytemp=False, force=False, imageX=None):
"""Save the data to a temporary file, close it and then ask if
the original file should be replaced by it.
If onlytemp is True, stop after saving the data to the
temporary file, leaving the source file open, and fail if that
didn't work first time. Otherwise the possibility of entering
an alternative save path will be given.
If force is True, don't ask, just do everything.
If imageX is a directory path, get the images from there
instead of from the source file
"""
if not self.baseFolder:
return
cfgFile = os.path.join(self.baseFolder, self.source.cfgName + '.zip')
tmpsave = cfgFile + '_'
backup = cfgFile + '~'
while True:
try:
if os.path.exists(tmpsave):
os.remove(tmpsave)
self.saveData(tmpsave, imageX)
if onlytemp:
messageDialog(_("Information"),
_("Saved as '%s'") % tmpsave)
return
self.source.close()
break
except:
traceback.print_exc()
warning(_("Could not save data to '%s'") % tmpsave)
if onlytemp:
return
tmpsave = getFile(_("Save file to"),
startDir=os.path.dirname(tmpsave),
defaultSuffix="zip",
filter=(_("zip Files"), ("*.zip",)),
create=True)
if isinstance(tmpsave, unicode):
tmpsave = tmpsave.encode('utf8')
if not tmpsave:
return
if (not force) and (not confirmationDialog(_("Replace existing file?"),
_("The changes have been saved to '%s'.\n"
"Should this now replace the previous data?") % tmpsave)):
return
try:
if os.path.exists(backup):
os.remove(backup)
if os.path.exists(cfgFile):
os.rename(cfgFile, backup)
os.rename(tmpsave, cfgFile)
if imageX:
self.baseFolder = None
self.slot_openConfig(False)
else:
# For the control panel, to indicate that the file has
# been saved:
self.sourcePath = cfgFile
self.validationObject.validateAll()
self.errorCount = self.validationObject.errorCount
except:
traceback.print_exc()
warning(_("Couldn't update configuration file '%s'") % cfgFile)
# self.currentSection is a list of field-item lists, in display order.
# These consist of [field-name, value, field-type-list, tip].
# The field-type list is the field specifier split at '|'.
def slot_valueChange(self, rv):
if self.disableChange:
return
row, value = rv
entry = self.currentSection[row]
entry[1] = value
# This is to allow checking of changes to the error state of
# the file
newERC = self.errorRowCount
if self.rowErrors[row]:
newERC -= 1
# Set the error state for the particular field
vError = self.validate(value, entry[2])
self.gui.setValid(row, vError)
# Continue with checking the file error state
self.rowErrors[row] = vError
if vError:
newERC += 1
if ((newERC != self.errorRowCount) and (newERC == 0) or
(self.errorRowCount == 0)):
self.checkAll()
def slot_switchNode(self, path):
self.currentPath = path
self.currentSpec = self.fileDict[path]
# Block attempts to update the data
self.disableChange = True
self.gui.clearTable()
self.rowErrors = []
self.errorRowCount = 0
if (self.currentSpec[1] == "="):
self.currentSection = self.currentSpec[4]
row = 0
for sec in self.currentSection:
ftype = sec[2][0]
field = sec[0]
value = sec[1]
if (ftype == "bool"):
self.gui.addBoolField(sec[0], sec[1], sec[3])
vError = ''
else:
self.gui.addField(sec[0], sec[1], sec[3])
vError = self.validate(sec[1], sec[2])
self.gui.setValid(row, vError)
self.rowErrors.append(vError)
if vError:
self.errorRowCount += 1
row += 1
else:
self.currentSection = None
if (self.currentSpec[1] == "="):
self.gui.setComment(self.currentSpec[3])
else:
self.gui.clearComment()
# Unblock attempts to update the data
self.disableChange = False
def slot_commentChanged(self, text):
if self.disableChange:
return
self.currentSpec[3] = text
def validate(self, value, spec):
"""Check the value against the field specification.
If valid, return '', otherwise return an error message.
"""
return self.validationObject.checkValue(value, spec, self.currentPath)
def slot_clone(self, arg):
"""Make an exact copy of this node. Only 'non-fixed' nodes
may be cloned.
"""
spec = self.currentSpec
if not spec:
return
if (spec[0] != '') or (spec[1] not in ('/', '=')):
warning(_("Can't clone this node"))
return
fpath = self.currentPath.rstrip('/')
spl = fpath.rsplit("/", 1)
if (len(spl) == 1):
basePath = ''
oldName = fpath
else:
basePath, oldName = spl
while True:
filename = None
if basePath.endswith('/pupils'):
ipath = basePath[:-6] + 'info'
try:
id = int(self.getField(ipath, 'lastId'))
if (id > 0):
id += 1
self.changeField(ipath, 'lastId', str(id))
filename = "%03d" % id
except:
pass
if not filename:
filename = getFileName(oldName)
if not filename:
return
path = joinPath(basePath, filename)
if (spec[1] == '/'):
path += '/'
if self.fileDict.has_key(path):
warning(_("Node '%s' already exists") % filename)
else:
break
# Handle '='-files and folders separately
if (spec[1] == '/'):
# Folder
self.cloneDir(self.currentPath, path, filename)
elif (spec[1] == '='):
# Information file
self.cloneFile(path, filename, spec)
else:
return
self.gui.sort(self.nodeDict[basePath + '/'])
self.gui.setCurrentItem(self.nodeDict[path])
self.checkAll()
def cloneFile(self, newpath, name, spec):
"""Copy a file node to the new name, using the details
in spec. path is the path of the new node.
"""
# The specification list needs to be duplicated
spec2 = list(spec)
# But that's not enough, also the field lists
spec2[4] = [list(l) for l in spec[4]]
self.addnode(name, newpath, spec2)
def cloneDir(self, oldpath, newpath, name):
"""Copy a folder node recursively. Note that oldpath
and newpath are the paths including the folder to be
copied.
"""
spec = self.fileDict[oldpath]
self.addnode(name, newpath, spec)
dirs, files = dirList(self.fileDict.keys(), oldpath)
files.sort()
for f in files:
spec = self.fileDict[oldpath + f]
self.cloneFile(newpath + f, f, spec)
dirs.sort()
for d in dirs:
self.cloneDir(oldpath + d + '/', newpath + d + '/', d)
def slot_delete(self, arg):
"""The graphical items must be deleted but also the entries in
self.fileDict.
Only 'non-fixed' nodes may be deleted and then only when they
are not the only one at that level.
"""
spec = self.currentSpec
if (spec[0] != ''):
warning(_("Can't delete this node"))
return
spl = self.currentPath.rstrip('/').rsplit("/", 1)
if (len(spl) == 1):
basePath = ''
else:
basePath = spl[0] + '/'
# Check for siblings
baselen = len(basePath)
for p in self.fileDict.keys():
if p.startswith(basePath):
if (p == self.currentPath):
continue
rest = p[baselen:].rstrip('/')
if (len(rest.split('/')) != 1):
continue
specf = self.fileDict[p]
if (specf[0] != '') or (specf[1] != spec[1]):
continue
self.delete(self.currentPath)
self.checkAll()
return
warning(_("This is the last node of its type, not deleting"))
def delete(self, path):
"""This deletes a node and all its children.
"""
# Get the graphical item
item = self.nodeDict[path]
# Delete the memory structures
if path.endswith('/'):
# Folder
for p in self.fileDict.keys():
if p.startswith(path):
del self.fileDict[p]
del self.nodeDict[p]
else:
del self.fileDict[path]
del self.nodeDict[path]
# Delete the gui items
self.gui.deleteItem(item)
def slot_getPupils(self, arg):
"""Import pupil data from csv files, one file per class.
"""
columns = [f[0] for f in getSpec("classes/*/pupils/*")[3:]]
csv = CsvData(self.settings.getSetting("csvData"))
if not getCsvConfig(["id"] + columns, csv):
return
self.settings.setSetting("csvData", csv.setting)
csvHandler = Csv2Sini(self, csv.separator, csv.columns)
lastDir = self.settings.getSetting("csvDir")
csvdir = csvHandler.init(lastDir)
if not csvdir:
return
self.settings.setSetting("csvDir", csvdir)
guiReport(_("Importing pupil data"), csvHandler, '')
self.checkAll()
self.gui.setCurrentItem(self.nodeDict["classes/"])
def slot_replacePix(self, arg):
"""Replace the all images by the contents of a supplied folder.
"""
sdir = getDirectory(_("Image Folder"))
if not sdir:
return
# Perform a save operation, but instead of getting the images
# from the (old) source file, get them from sdir.
if isinstance(sdir, unicode):
sdir = sdir.encode('utf8')
self.save(imageX=sdir)
def emptyDir(self, path):
"""Empty the directory node at the given path.
"""
dirs, files = dirList(self.fileDict.keys(), path.rstrip('/') + '/')
for f in (dirs + files):
self.delete(joinPath(path, f))
def addPupil(self, pupilPath, id, sinitext):
"""Used by the csv import utility to add a pupil.
"""
for s in self.fileDict[pupilPath.rstrip('/') + '/'][3:]:
if (s[0] == '') and (s[1] == '='):
spec = s
break
self.addFile(pupilPath, id, spec, sinitext)
def endPupils(self, classPath, idauto):
"""After all pupils have been entered for a class (using the
csv import utility), make sure there is at least one pupil (!)
and set the 'lastId' field in 'info'.
"""
if (idauto == 0):
self.addPupil(classPath + "/pupils", FDEFAULT, '')
idauto = 1
elif (idauto < 0):
idauto = 0
self.changeField(classPath + "/info", "lastId", str(idauto))
def changeField(self, path, field, value):
"""Change one field of a file.
"""
# First in the memory structure
spec = self.fileDict[path]
flist = spec[4]
for sec in flist:
if (sec[0] == field):
sec[1] = value
def getField(self, path, field):
"""Get the value of the given field in the given file.
"""
spec = self.fileDict[path]
flist = spec[4]
for sec in flist:
if (sec[0] == field):
return sec[1]
return None