appy.gen: added default validation for wrong dates; for Action fields, added value 'filetmp' for param 'result' for removing temp files that are returned as the result of an action; values entered by the user in the search screens are not stripped; wrapper method 'export' can now export an object in a CSV file; appy.pod: bullets for default list styles in any ODT file generated through pod are now smaller.

gen/__init__.py

@@ -1244,7 +1244,8 @@ class String(Type):
         return res
 
     def validateValue(self, obj, value):
-        if self.isSelect:
+        if not self.isSelect: return
+        # Check that the value is among possible values
         possibleValues = self.getPossibleValues(obj)
         if isinstance(value, basestring):
             error = value not in possibleValues
@@ -1254,8 +1255,7 @@ class String(Type):
                 if v not in possibleValues:
                     error = True
                     break
-            # Check that the value is among possible values
+        if error: return obj.translate('bad_select_value')
-            if error: obj.translate('bad_select_value')
 
     accents = {'é':'e','è':'e','ê':'e','ë':'e','à':'a','â':'a','ä':'a',
                'ù':'u','û':'u','ü':'u','î':'i','ï':'i','ô':'o','ö':'o',
@@ -1369,6 +1369,13 @@ class Date(Type):
             return ('jscalendar/calendar_stripped.js',
                     'jscalendar/calendar-en.js')
 
+    def validateValue(self, obj, value):
+        DateTime = obj.getProductConfig().DateTime
+        try:
+            value = DateTime(value)
+        except DateTime.DateError, ValueError:
+            return obj.translate('bad_date')
+
     def getFormattedValue(self, obj, value):
         if self.isEmptyValue(value): return ''
         res = value.strftime('%d/%m/') + str(value.year())
@@ -1828,12 +1835,14 @@ class Action(Type):
                  master=None, masterValue=None, focus=False, historized=False):
         # Can be a single method or a list/tuple of methods
         self.action = action
-        # For the following field:
+        # For the 'result' param:
         #  * value 'computation' means that the action will simply compute
         #    things and redirect the user to the same page, with some status
         #    message about execution of the action;
         #  * 'file' means that the result is the binary content of a file that
         #    the user will download.
+        #  * 'filetmp' is similar to file, but the file is a temp file and Appy
+        #    will delete it as soon as it will be served to the browser.
         #  * 'redirect' means that the action will lead to the user being
         #    redirected to some other page.
         self.result = result
@@ -1858,7 +1867,7 @@ class Action(Type):
                     actRes = act(obj)
                     if type(actRes) in sequenceTypes:
                         res[0] = res[0] and actRes[0]
-                        if self.result == 'file':
+                        if self.result.startswith('file'):
                             res[1] = res[1] + actRes[1]
                         else:
                             res[1] = res[1] + '\n' + actRes[1]

gen/plone25/generator.py

@@ -126,6 +126,7 @@ class Generator(AbstractGenerator):
             msg('ref_invalid_index',    '', msg.REF_INVALID_INDEX),
             msg('bad_long',             '', msg.BAD_LONG),
             msg('bad_float',            '', msg.BAD_FLOAT),
+            msg('bad_date',             '', msg.BAD_DATE),
             msg('bad_email',            '', msg.BAD_EMAIL),
             msg('bad_url',              '', msg.BAD_URL),
             msg('bad_alphanumeric',     '', msg.BAD_ALPHANUMERIC),

gen/plone25/mixins/ToolMixin.py

@@ -509,7 +509,7 @@ class ToolMixin(BaseMixin):
             if not importPath: continue
             objectId = os.path.basename(importPath)
             self.appy().create(appyClass, id=objectId, _data=importPath)
-        self.plone_utils.addPortalMessage(self.translate('import_done'))
+        self.say(self.translate('import_done'))
         return self.goto(rq['HTTP_REFERER'])
 
     def isAlreadyImported(self, contentType, importPath):
@@ -584,13 +584,14 @@ class ToolMixin(BaseMixin):
                 # given field.
                 attrValue = rq.form[attrName]
                 if attrName.find('*') != -1:
+                    attrValue = attrValue.strip()
                     # The type of the value is encoded after char "*".
                     attrName, attrType = attrName.split('*')
                     if attrType == 'bool':
                         exec 'attrValue = %s' % attrValue
                     elif attrType in ('int', 'float'):
                         # Get the "from" value
-                        if not attrValue.strip(): attrValue = None
+                        if not attrValue: attrValue = None
                         else:
                             exec 'attrValue = %s(attrValue)' % attrType
                         # Get the "to" value

gen/plone25/mixins/__init__.py

@@ -94,7 +94,7 @@ class BaseMixin:
             urlBack = self.getTool().getSiteUrl()
         else:
             urlBack = self.getUrl(rq['HTTP_REFERER'])
-        self.plone_utils.addPortalMessage(self.translate('delete_done'))
+        self.say(self.translate('delete_done'))
         self.goto(urlBack)
 
     def onCreate(self):
@@ -189,8 +189,7 @@ class BaseMixin:
                     urlBack = tool.getSiteUrl()
             else:
                 urlBack = self.getUrl()
-            self.plone_utils.addPortalMessage(
+            self.say(self.translate('Changes canceled.', domain='plone'))
-                self.translate('Changes canceled.', domain='plone'))
             return self.goto(urlBack)
 
         # Object for storing validation errors
@@ -202,7 +201,7 @@ class BaseMixin:
         self.intraFieldValidation(errors, values)
         if errors.__dict__:
             rq.set('errors', errors.__dict__)
-            self.plone_utils.addPortalMessage(errorMessage)
+            self.say(errorMessage)
             return self.skyn.edit(self)
 
         # Trigger inter-field validation
@@ -210,7 +209,7 @@ class BaseMixin:
         if not msg: msg = errorMessage
         if errors.__dict__:
             rq.set('errors', errors.__dict__)
-            self.plone_utils.addPortalMessage(msg)
+            self.say(msg)
             return self.skyn.edit(self)
 
         # Before saving data, must we ask a confirmation by the user ?
@@ -240,7 +239,7 @@ class BaseMixin:
             return self.goto(tool.getSiteUrl(), msg)
         if rq.get('buttonOk.x', None) or saveConfirmed:
             # Go to the consult view for this object
-            obj.plone_utils.addPortalMessage(msg)
+            obj.say(msg)
             return self.goto(obj.getUrl())
         if rq.get('buttonPrevious.x', None):
             # Go to the previous page for this object.
@@ -260,7 +259,7 @@ class BaseMixin:
                 else:
                     return self.goto(obj.getUrl(page=pageName))
             else:
-                obj.plone_utils.addPortalMessage(msg)
+                obj.say(msg)
                 return self.goto(obj.getUrl())
         if rq.get('buttonNext.x', None):
             # Go to the next page for this object
@@ -277,10 +276,30 @@ class BaseMixin:
                 else:
                     return self.goto(obj.getUrl(page=pageName))
             else:
-                obj.plone_utils.addPortalMessage(msg)
+                obj.say(msg)
                 return self.goto(obj.getUrl())
         return obj.skyn.edit(obj)
 
+    def say(self, msg, type='info'):
+        '''Prints a p_msg in the user interface. p_logLevel may be "info",
+           "warning" or "error".'''
+        mType = type
+        if mType == 'warning': mType = 'warn'
+        elif mType == 'error': mType = 'stop'
+        try:
+            self.plone_utils.addPortalMessage(msg, type=mType)
+        except UnicodeDecodeError:
+            self.plone_utils.addPortalMessage(msg.decode('utf-8'), type=mType)
+
+    def log(self, msg, type='info'):
+        '''Logs a p_msg in the log file. p_logLevel may be "info", "warning"
+           or "error".'''
+        logger = self.getProductConfig().logger
+        if type == 'warning': logMethod = logger.warn
+        elif type == 'error': logMethod = logger.error
+        else: logMethod = logger.info
+        logMethod(msg)
+
     def rememberPreviousData(self):
         '''This method is called before updating an object and remembers, for
            every historized field, the previous value. Result is a dict
@@ -880,16 +899,27 @@ class BaseMixin:
             label = '%s_action_%s' % (appyType.labelId, suffix)
             msg = self.translate(label)
         if (resultType == 'computation') or not successfull:
-            self.plone_utils.addPortalMessage(msg)
+            self.say(msg)
             return self.goto(self.getUrl(rq['HTTP_REFERER']))
-        elif resultType == 'file':
+        elif resultType.startswith('file'):
             # msg does not contain a message, but a file instance.
             response = self.REQUEST.RESPONSE
             response.setHeader('Content-Type',mimetypes.guess_type(msg.name)[0])
             response.setHeader('Content-Disposition', 'inline;filename="%s"' %\
-                               msg.name)
+                               os.path.basename(msg.name))
             response.write(msg.read())
             msg.close()
+            if resultType == 'filetmp':
+                # p_msg is a temp file. We need to delete it.
+                try:
+                    os.remove(msg.name)
+                    self.log('Temp file "%s" was deleted.' % msg.name)
+                except IOError, err:
+                    self.log('Could not remove temp "%s" (%s).' % \
+                             (msg.name, str(err)), type='warning')
+                except OSError, err:
+                    self.log('Could not remove temp "%s" (%s).' % \
+                             (msg.name, str(err)), type='warning')
         elif resultType == 'redirect':
             # msg does not contain a message, but the URL where to redirect
             # the user.

gen/plone25/model.py

@@ -113,7 +113,7 @@ class Translation(ModelClass):
     # All methods defined below are fake. Real versions are in the wrapper.
     def getPoFile(self): pass
     po = Action(action=getPoFile, page=Page('actions', show='view'),
-                result='file')
+                result='filetmp')
     title = String(show=False, indexed=True)
     def computeLabel(self): pass
     def showField(self, name): pass

gen/plone25/skin/page.pt

@@ -729,10 +729,10 @@
 <tal:comment replace="nothing">
   This macro displays the global message on the page.
 </tal:comment>
-<metal:message define-macro="message" i18n:domain="plone" >
+<metal:message define-macro="message">
   <tal:comment replace="nothing">Single message from portal_status_message request key</tal:comment>
   <div tal:define="msg request/portal_status_message | nothing"
-       tal:condition="msg" class="portalMessage" tal:content="structure msg" i18n:translate=""></div>
+       tal:condition="msg" class="portalMessage" tal:content="structure msg"></div>
 
   <tal:comment replace="nothing">Messages added via plone_utils</tal:comment>
   <tal:messages define="messages putils/showPortalMessages" condition="messages">
@@ -741,7 +741,7 @@
               repeat="msg messages">
       <div tal:define="mtype msg/type | nothing;"
            tal:attributes="class python:mtype and type_css_map[mtype] or 'info';"
-           tal:content="structure msg/message | nothing" i18n:translate=""></div>
+           tal:content="structure msg/message | nothing"></div>
     </tal:msgs>
   </tal:messages>
 </metal:message>

gen/plone25/workflow.py

@@ -182,5 +182,5 @@ def do(transitionName, stateChange, logger):
     if not msg:
         msg = ploneObj.translate(u'Your content\'s status has been modified.',
                                  domain='plone')
-    ploneObj.plone_utils.addPortalMessage(msg)
+    ploneObj.say(msg)
 # ------------------------------------------------------------------------------

gen/plone25/wrappers/__init__.py

@@ -8,6 +8,7 @@ from appy.gen import Search
 from appy.gen.utils import sequenceTypes
 from appy.shared.utils import getOsTempFolder, executeCommand, normalizeString
 from appy.shared.xml_parser import XmlMarshaller
+from appy.shared.csv_parser import CsvMarshaller
 
 # Some error messages ----------------------------------------------------------
 WRONG_FILE_TUPLE = 'This is not the way to set a file. You can specify a ' \
@@ -19,6 +20,7 @@ class AbstractWrapper:
     '''Any real Zope object has a companion object that is an instance of this
        class.'''
     def __init__(self, o): self.__dict__['o'] = o
+    def appy(self): return self
 
     def __setattr__(self, name, value):
         appyType = self.o.getAppyType(name)
@@ -248,22 +250,8 @@ class AbstractWrapper:
         wfTool.doActionFor(self.o, transitionName, comment=comment)
         del self.o._v_appy_do
 
-    def log(self, message, type='info'):
+    def log(self, message, type='info'): return self.o.log(message, type)
-        '''Logs a message in the log file. p_logLevel may be "info", "warning"
+    def say(self, message, type='info'): return self.o.say(message, type)
-           or "error".'''
-        logger = self.o.getProductConfig().logger
-        if type == 'warning': logMethod = logger.warn
-        elif type == 'error': logMethod = logger.error
-        else: logMethod = logger.info
-        logMethod(message)
-
-    def say(self, message, type='info'):
-        '''Prints a message in the user interface. p_logLevel may be "info",
-           "warning" or "error".'''
-        mType = type
-        if mType == 'warning': mType = 'warn'
-        elif mType == 'error': mType = 'stop'
-        self.o.plone_utils.addPortalMessage(message, type=mType)
 
     def normalize(self, s, usage='fileName'):
         '''Returns a version of string p_s whose special chars have been
@@ -346,12 +334,22 @@ class AbstractWrapper:
            method in those cases.'''
         self.o.reindexObject()
 
-    def export(self, at='string'):
+    def export(self, at='string', format='xml', include=None, exclude=None):
-        '''Creates an "exportable", XML version of this object. If p_at is
+        '''Creates an "exportable" version of this object. p_format is XML by
-           "string", this method returns the XML version, without the XML
+           default, but can also be "csv". If p_format is:
-           prologue. Else, (a) if not p_at, the XML will be exported on disk,
+           * "xml", if p_at is "string", this method returns the XML version,
-           in the OS temp folder, with an ugly name; (b) else, it will be
+                    without the XML prologue. Else, (a) if not p_at, the XML
-           exported at path p_at.'''
+                    will be exported on disk, in the OS temp folder, with an
+                    ugly name; (b) else, it will be exported at path p_at.
+           * "csv", if p_at is "string", this method returns the CSV data as a
+                    string. If p_at is an opened file handler, the CSV line will
+                    be appended in it.
+           If p_include is given, only fields whose names are in it will be
+           included. p_exclude, if given, contains names of fields that will
+           not be included in the result.
+        '''
+        if format == 'xml':
+            # Todo: take p_include and p_exclude into account.
             # Determine where to put the result
             toDisk = (at != 'string')
             if toDisk and not at:
@@ -369,6 +367,13 @@ class AbstractWrapper:
                 return at
             else:
                 return xml
+        elif format == 'csv':
+            if isinstance(at, basestring):
+                marshaller = CsvMarshaller(include=include, exclude=exclude)
+                return marshaller.marshall(self)
+            else:
+                marshaller = CsvMarshaller(at, include=include, exclude=exclude)
+                marshaller.marshall(self)
 
     def historize(self, data):
         '''This method allows to add "manually" a "data-change" event into the

gen/po.py

@@ -82,6 +82,7 @@ class PoMessage:
     BAD_LONG = 'An integer value is expected; do not enter any space.'
     BAD_FLOAT = 'A floating-point number is expected; use the dot as decimal ' \
                 'separator, not a comma; do not enter any space.'
+    BAD_DATE = 'Please specify a valid date.'
     BAD_EMAIL = 'Please enter a valid email.'
     BAD_URL = 'Please enter a valid URL.'
     BAD_ALPHANUMERIC = 'Please enter a valid alphanumeric value.'
@@ -142,6 +143,7 @@ class PoMessage:
             oldDefault = self.default
             if self.default != newMsg.default:
                 # The default value has changed in the pot file
+                oldDefault = self.default
                 self.default = newMsg.default
                 if self.msg.strip():
                     self.fuzzy = True
@@ -149,6 +151,12 @@ class PoMessage:
                     # because the default value has changed) only if the user
                     # has already entered a message. Else, this has no sense to
                     # rewrite the empty message.
+                    if not oldDefault.strip():
+                        # This is a strange case: the old default value did not
+                        # exist. Maybe was this PO file generated from some
+                        # tool, but simply without any default value. So in
+                        # this case, we do not consider the label as fuzzy.
+                        self.fuzzy = False
                 else:
                     self.fuzzy = False
             if (language == 'en'):

pod/styles.in.content.xml

@@ -40,43 +40,43 @@
   <@style@:paragraph-properties @fo@:keep-with-next="always"/>
 </@style@:style>
 <@text@:list-style @style@:name="podBulletedList">
-  <@text@:list-level-style-bullet @text@:level="1" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="●">
+  <@text@:list-level-style-bullet @text@:level="1" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="•">
     <@style@:list-level-properties @text@:space-before="0.25in" @text@:min-label-width="0.25in"/>
     <@style@:text-properties @style@:font-name="PodStarSymbol"/>
   </@text@:list-level-style-bullet>
-  <@text@:list-level-style-bullet @text@:level="2" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="○">
+  <@text@:list-level-style-bullet @text@:level="2" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="◦">
     <@style@:list-level-properties @text@:space-before="0.5in" @text@:min-label-width="0.25in"/>
     <@style@:text-properties @style@:font-name="PodStarSymbol"/>
     </@text@:list-level-style-bullet>
-  <@text@:list-level-style-bullet @text@:level="3" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="■">
+  <@text@:list-level-style-bullet @text@:level="3" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="▪">
     <@style@:list-level-properties @text@:space-before="0.75in" @text@:min-label-width="0.25in"/>
     <@style@:text-properties @style@:font-name="PodStarSymbol"/>
   </@text@:list-level-style-bullet>
-  <@text@:list-level-style-bullet @text@:level="4" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="●">
+  <@text@:list-level-style-bullet @text@:level="4" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="•">
     <@style@:list-level-properties @text@:space-before="1in" @text@:min-label-width="0.25in"/>
     <@style@:text-properties @style@:font-name="PodStarSymbol"/>
   </@text@:list-level-style-bullet>
-  <@text@:list-level-style-bullet @text@:level="5" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="○">
+  <@text@:list-level-style-bullet @text@:level="5" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="◦">
     <@style@:list-level-properties @text@:space-before="1.25in" @text@:min-label-width="0.25in"/>
     <@style@:text-properties @style@:font-name="PodStarSymbol"/>
   </@text@:list-level-style-bullet>
-  <@text@:list-level-style-bullet @text@:level="6" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="■">
+  <@text@:list-level-style-bullet @text@:level="6" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="▪">
     <@style@:list-level-properties @text@:space-before="1.5in" @text@:min-label-width="0.25in"/>
     <@style@:text-properties @style@:font-name="PodStarSymbol"/>
   </@text@:list-level-style-bullet>
-  <@text@:list-level-style-bullet @text@:level="7" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="●">
+  <@text@:list-level-style-bullet @text@:level="7" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="•">
     <@style@:list-level-properties @text@:space-before="1.75in" @text@:min-label-width="0.25in"/>
     <@style@:text-properties @style@:font-name="PodStarSymbol"/>
   </@text@:list-level-style-bullet>
-  <@text@:list-level-style-bullet @text@:level="8" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="○">
+  <@text@:list-level-style-bullet @text@:level="8" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="◦">
     <@style@:list-level-properties @text@:space-before="2in" @text@:min-label-width="0.25in"/>
     <@style@:text-properties @style@:font-name="PodStarSymbol"/>
   </@text@:list-level-style-bullet>
-  <@text@:list-level-style-bullet @text@:level="9" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="■">
+  <@text@:list-level-style-bullet @text@:level="9" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="▪">
     <@style@:list-level-properties @text@:space-before="2.25in" @text@:min-label-width="0.25in"/>
     <@style@:text-properties @style@:font-name="PodStarSymbol"/>
   </@text@:list-level-style-bullet>
-  <@text@:list-level-style-bullet @text@:level="10" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="●">
+  <@text@:list-level-style-bullet @text@:level="10" @text@:style-name="podBulletStyle" @style@:num-suffix="." @text@:bullet-char="•">
     <@style@:list-level-properties @text@:space-before="2.5in" @text@:min-label-width="0.25in"/>
     <@style@:text-properties @style@:font-name="PodStarSymbol"/>
   </@text@:list-level-style-bullet>

pod/test/Tester.py

@@ -177,7 +177,8 @@ class Test(appy.shared.test.Test):
                 areXml=True, xmlTagsToIgnore=(
                    (OdfEnvironment.NS_DC, 'date'),
                    (OdfEnvironment.NS_STYLE, 'style')),
-                xmlAttrsToIgnore=('draw:name','text:name'), encoding='utf-8')
+                xmlAttrsToIgnore=('draw:name','text:name','text:bullet-char'),
+                encoding='utf-8')
             if diffOccurred:
                 res = True
                 break

shared/csv_parser.py

@@ -18,6 +18,7 @@
 
 # ------------------------------------------------------------------------------
 from appy import Object
+from appy.gen.utils import sequenceTypes
 
 # ------------------------------------------------------------------------------
 WRONG_LINE = 'Line number %d in file %s does not have the right number of ' \
@@ -198,4 +199,97 @@ class CsvParser:
                         newValue = self.resolveReference(attrName, attrValue)
                     setattr(obj, attrName, newValue)
         return self.res
+
+# ------------------------------------------------------------------------------
+class CsvMarshaller:
+    '''This class is responsible for producing a string, CSV-ready, line of data
+       from a Appy object.'''
+    undumpable = ('File', 'Action', 'Info', 'Pod')
+    def __init__(self, at=None, sep=';', subSep=',', wrap='"',
+                 includeHeaders=True, include=None, exclude=None):
+        # If specified, p_at is an opened file handler to the CSV file to fill
+        self.at = at
+        # The CSV field separator
+        self.sep = sep
+        # The sub-separator for multi-valued fields
+        self.subSep = subSep
+        # The "wrap" char will wrap any value that contains self.sep.
+        self.wrap = wrap
+        # Must we put field names as first line in the CSV?
+        self.includeHeaders = includeHeaders
+        # If p_include is given, it lists names of fields that will be included
+        self.include = include
+        # If p_exclude is given, it lists names of fields that will be excluded
+        self.exclude = exclude
+
+    def marshallString(self, value):
+        '''Produces a version of p_value that can be put in the CSV file.'''
+        return value.replace('\r\n', ' ').replace('\n', ' ')
+
+    def marshallValue(self, field, value):
+        '''Produces a version of p_value that can be dumped in a CSV file.'''
+        if isinstance(value, basestring):
+            # Format the string as a one-line CSV-ready value
+            res = self.marshallString(value)
+        elif type(value) in sequenceTypes:
+            # Create a list of values, separated by a sub-separator.
+            res = []
+            for v in value:
+                res.append(self.marshallValue(field, v))
+            res = self.subSep.join(res)
+        elif hasattr(value, 'klass') and hasattr(value, 'title'):
+            # This is a reference to another object. Dump only its title.
+            res = value.title
+        elif value == None:
+            # Empty string is more beautiful than 'None'
+            res = ''
+        else:
+            res = str(value)
+        # If self.sep is found among this value, we must wrap it with self.wrap
+        if self.sep in res:
+            # Double any wrapper char if present
+            res = res.replace(self.wrap, '%s%s' % (self.wrap, self.wrap))
+            # Wrap the value
+            res = '%s%s%s' % (self.wrap, res, self.wrap)
+        return res
+
+    def includeField(self, field):
+        '''Must p_field be included in the result ?'''
+        # Check self.include and self.exclude
+        if self.include and field.name not in self.include: return False
+        if self.exclude and field.name in self.exclude: return False
+        # Check field type
+        if field.type in self.undumpable: return False
+        # Don't dump password fields
+        if (field.type == 'String') and (field.format == 3): return False
+        if (field.type == 'Ref') and field.isBack: return False
+        if (field.type == 'Computed') and not field.plainText: return False
+        return True
+
+    def marshall(self, obj):
+        '''Creates the CSV line representing p_obj and dumps it in self.at if
+           specified, or return it else.'''
+        obj = obj.appy()
+        res = []
+        # Dump the header line if required, and if there is still no line
+        # dumped in self.at.
+        headers = []
+        if self.includeHeaders and self.at and (self.at.tell() == 0):
+            for field in obj.fields:
+                if not self.includeField(field): continue
+                headers.append(field.name)
+            self.at.write(self.sep.join(headers))
+            self.at.write('\n')
+        # Dump the data line.
+        for field in obj.fields:
+            if not self.includeField(field): continue
+            # Get the field value
+            value = field.getValue(obj.o)
+            value = self.marshallValue(field, value)
+            res.append(value)
+        res = self.sep.join(res)
+        if self.at:
+            self.at.write(res)
+            self.at.write('\n')
+        else: return res
 # ------------------------------------------------------------------------------