Re: [galaxy-dev] Python ValueError: too many values to unpack

Op 26 jan. 2016, om 15:20 heeft Hans-Rudolf Hotz <hrh(a)fmi.ch&gt; het volgende geschreven: Hi Matthias Make sure 'listing' is a list of (displayName,value,boolean) Though, there might be other errors as well Regards, Hans-Rudolf I am not sure, whether this On 01/26/2016 01:22 PM, Matthias De Smet wrote: > Hi all, > > I’m trying to develop a tool that lets you select a file on the server. > I’m using the dynamic_options setting to let Galaxy render a dropdown > list of available file. > > > However, when I try to test the tool in its current form, I get the > following error: > > <pre> > galaxy.web.framework.decorators ERROR 2016-01-26 13:08:35,649 Uncaught > exception in exposed API method: > Traceback (most recent call last): > File "lib/galaxy/web/framework/decorators.py", line 260, in decorator > rval = func( self, trans, *args, **kwargs) > File "lib/galaxy/webapps/galaxy/api/tools.py", line 98, in build > return tool.to_json(trans, kwd.get('inputs', kwd)) > File "lib/galaxy/tools/__init__.py", line 2602, in to_json > populate_state(trans, self.inputs, state_inputs, state_errors, > params.__dict__) > File "lib/galaxy/tools/__init__.py", line 2471, in populate_state > state[input.name] = input.get_initial_value(trans, context, > history=history) > File "lib/galaxy/tools/parameters/basic.py", line 984, in > get_initial_value > value = [ optval for _, optval, selected in options if selected ] > ValueError: too many values to unpack > </pre> > > My tool xml looks like this: > > <pre> > > <tool id="archivetolibrary" name="Copy files" version="0.1.0"> > <description>from the archive to a data library</description> > <code file="list_files.py"/> > <command interpreter="bash"> > test.sh > $log > </command> > <inputs> > <param name="archive_source" type="select" display="radio" > label="Choose source archive"> > <options from_file="archives.loc"> > <column name="name" index="0"/> > <column name="value" index="1"/> > </options> > </param> > <param name="query" type="text" label="Search for files"/> > <param name="selected_file" type="select" label="Choose your file" > dynamic_options="list_files(archive_source,query)"/> > </inputs> > <outputs> > <data name="log" format="txt" label="${tool.name} on > ${on_string}"></data> > </outputs> > <tests> > <test> > </test> > </tests> > <help> > This tool copies data from and archive folder to your history. Keep in > mind this folder MUST be readable by Galaxy in order for this tool to work. > </help> > </tool> > > </pre> > > and the script called in the “code” tag looks like this > > <pre> > def list_files(dir,query): listing=[] > for fname in listdir(dir): > fullpath = path.join(dir, fname) #only select datafiles, not md5 > checksums > if path.isfile(fullpath) and not fullpath.endswith(".md5"): > listing.append( fname ) > return listing > </pre> > > This script should return a list with filenames that should be displayed > in the dropdown list. > > I’m tracking Galaxy release 15.10, running on a Ubuntu 14.04.3 server > > Thanks for your help! > > Matthias > > > > > > > ___________________________________________________________ > Please keep all replies on the list by using "reply all" > in your mail client. To manage your subscriptions to this > and other Galaxy lists, please use the interface at: > https://lists.galaxyproject.org/ > > To search Galaxy mailing lists use the unified search at: > http://galaxyproject.org/search/mailinglists/ >