discuss: flowcharts update


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Subject: Re: flowcharts update
From: Alex Nordstrom ####@####.####
Date: 26 Apr 2005 08:13:39 -0000
Message-Id: <200504261613.21364.lx@se.linux.org>

On Tue, 26 Apr 2005 14:23, Machtelt Garrels wrote:
> On Tue, 26 Apr 2005, Alex Nordstrom wrote:
> > My suggestion would be to select more distinctive colours and
> > preferably add another way to convey the information conveyed by
> > the colours.
>
> Wouldn't it be better to use different grey values, then? 

That should probably work, and it is also beneficial for users wishing 
to print or make greyscale copies. The main thing, then, would be to 
ensure that the contrast is sufficient. As I understand it, any colours 
should be distinguishable to the colourblind as long as their 
luminescence varies (i.e. they convert to different shades of grey), 
but don't quote me on that.

In case you do wish to use colourblind-accessible colours, you might 
find the following site useful to simulate different conditions:

http://colorfilter.wickline.org/

It also has a feature to create accessible colour schemes. The Checky 
extension for Mozilla Firefox provides convenient context-menu access 
to examine any page or image viewed in Firefox using this filter (and 
others).

-- 
Alex Nordstrom
http://lx.n3.net/
Please do not CC me in followups;
I am subscribed to the tldp discussion list.

--> -->
 
 
<type 'exceptions.IOError'>
Python 2.5.2: /usr/bin/python
Wed Jul 3 10:13:23 2024

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

 /opt/ezmlm-browse-0.20/<string> in ()
 /opt/ezmlm-browse-0.20/main.py in main()
  424 
  425         if path is not None:
  426                 main_path(path)
  427         else:
  428                 main_form()
global main_form = <function main_form at 0x86a2c6c>
 /opt/ezmlm-browse-0.20/main.py in main_form()
  378         except ImportError:
  379                 die(ctxt, "Invalid command")
  380         module.do(ctxt)
  381 
  382 def main():
module = <module 'commands.showmsg' from '/opt/ezmlm-browse-0.20/commands/showmsg.pyc'>, module.do = <function do at 0x86b810c>, global ctxt = {'cmd': 'showmsg', 'threadidx': 3, 'HTTP_X_FORWA...HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate'}
 /opt/ezmlm-browse-0.20/commands/showmsg.py in do(ctxt={'cmd': 'showmsg', 'threadidx': 3, 'HTTP_X_FORWA...HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate'})
   18         write(html('msg-pager') % ctxt)
   19         write('<hr>')
   20         sub_showmsg(ctxt, ctxt[MSGNUM])
   21         write('<hr>')
   22         write(html('msg-pager') % ctxt)
global sub_showmsg = <function sub_showmsg at 0x86a21ec>, ctxt = {'cmd': 'showmsg', 'threadidx': 3, 'HTTP_X_FORWA...HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate'}, global MSGNUM = 'msgnum'
 /opt/ezmlm-browse-0.20/globalfns.py in sub_showmsg(ctxt={'cmd': 'showmsg', 'threadidx': 3, 'HTTP_X_FORWA...HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate'}, msgnum=9296)
  229         format_timestamp(ctxt, ctxt)
  230         write(html('msg-header') % ctxt)
  231         rec_showpart(ctxt, msg, 0)
  232         write(html('msg-footer') % ctxt)
  233         ctxt.pop()
global rec_showpart = <function rec_showpart at 0x86a21b4>, ctxt = {'cmd': 'showmsg', 'threadidx': 3, 'HTTP_X_FORWA...HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate'}, msg = <email.message.Message instance at 0x8715dec>
 /opt/ezmlm-browse-0.20/globalfns.py in rec_showpart(ctxt={'cmd': 'showmsg', 'threadidx': 3, 'HTTP_X_FORWA...HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate'}, part=<email.message.Message instance at 0x8715dec>, partnum=1)
  205                 else:
  206                         for p in part.get_payload():
  207                                 partnum = rec_showpart(ctxt, p, partnum+1)
  208         else:
  209                 write(html('msg-sep') % ctxt)
partnum = 1, global rec_showpart = <function rec_showpart at 0x86a21b4>, ctxt = {'cmd': 'showmsg', 'threadidx': 3, 'HTTP_X_FORWA...HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate'}, p = <email.message.Message instance at 0x8715d8c>
 /opt/ezmlm-browse-0.20/globalfns.py in rec_showpart(ctxt={'cmd': 'showmsg', 'threadidx': 3, 'HTTP_X_FORWA...HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate'}, part=<email.message.Message instance at 0x8715d8c>, partnum=2)
  208         else:
  209                 write(html('msg-sep') % ctxt)
  210                 sub_showpart(ctxt, part)
  211         return partnum
  212 
global sub_showpart = <function sub_showpart at 0x86a2144>, ctxt = {'cmd': 'showmsg', 'threadidx': 3, 'HTTP_X_FORWA...HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate'}, part = <email.message.Message instance at 0x8715d8c>
 /opt/ezmlm-browse-0.20/globalfns.py in sub_showpart(ctxt={'cmd': 'showmsg', 'threadidx': 3, 'HTTP_X_FORWA...HTTP_ACCEPT_ENCODING': 'gzip, br, zstd, deflate'}, part=<email.message.Message instance at 0x8715d8c>)
  164         type = ctxt[TYPE] = part.get_content_type()
  165         ctxt[FILENAME] = part.get_filename()
  166         template = html('msg-' + type.replace('/', '-'))
  167         if not template:
  168                 template = html('msg-' + type[:type.find('/')])
global template = <function template at 0x869ae9c>, global html = <function html at 0x869aed4>, type = 'application/pgp-signature', type.replace = <built-in method replace of str object at 0x871aa68>
 /opt/ezmlm-browse-0.20/globalfns.py in html(name='msg-application-pgp-signature')
   40 
   41 def html(name):
   42         return template(name + '.html')
   43 
   44 def xml(name):
global template = <function template at 0x869ae9c>, name = 'msg-application-pgp-signature'
 /opt/ezmlm-browse-0.20/globalfns.py in template(filename='msg-application-pgp-signature.html')
   31         except IOError:
   32                 if not _template_zipfile:
   33                         _template_zipfile = zipfile.ZipFile(sys.argv[0])
   34                 try:
   35                         f = _template_zipfile.open(n).read()
global _template_zipfile = None, global zipfile = <module 'zipfile' from '/usr/lib/python2.5/zipfile.pyc'>, zipfile.ZipFile = <class zipfile.ZipFile at 0x8633a7c>, global sys = <module 'sys' (built-in)>, sys.argv = ['-c', '/opt/ezmlm-browse-0.20']
 /usr/lib/python2.5/zipfile.py in __init__(self=<zipfile.ZipFile instance at 0x86aeb2c>, file='-c', mode='r', compression=0, allowZip64=False)
  337             self.filename = file
  338             modeDict = {'r' : 'rb', 'w': 'wb', 'a' : 'r+b'}
  339             self.fp = open(file, modeDict[mode])
  340         else:
  341             self._filePassed = 1
self = <zipfile.ZipFile instance at 0x86aeb2c>, self.fp = None, builtin open = <built-in function open>, file = '-c', modeDict = {'a': 'r+b', 'r': 'rb', 'w': 'wb'}, mode = 'r'

<type 'exceptions.IOError'>: [Errno 2] No such file or directory: '-c'
      args = (2, 'No such file or directory')
      errno = 2
      filename = '-c'
      message = ''
      strerror = 'No such file or directory'