cheetah-archive : Messages : 5005-5014 of 5014

#5005

From: Analog Kid <ajdeshpande@...>
Date: Tue Jan 8, 2013 12:07 pm
Subject: [Cheetahtemplate-discuss] Manipulating HTML tag attributes

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Hi All:

Im a noob to Cheetah. I had a question: I have a .py file which uses a .tmpl template file to render some html. In the template, I need to manipulate an HTML tag attribute. Something like this:

... snip

<option value="cars">Cars</option>
...................

...snip

I call this template from the py file like this:

#!/usr/local/bin/python
from cgi import parse
from Cheetah.Template import Template

print "Content-Type: text/html\n"
req=parse()

print Template(file="somepage.tmpl", searchList = [{'req': req}])

This doesnt seem to work. Am I passing parameters correctly. What am I missing?

TIA,

Ajay

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#5006

From: Daniel Winter <winniwinter@...>
Date: Sun Mar 24, 2013 8:55 pm
Subject: [Cheetahtemplate-discuss] Inserting additional placeholders

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Hi,

I want to use cheetah with cherryPy. To make things easier I created a helper that searches existing templates creates a instance of the cheetah Template class and returns it.

Then I want to be able to add data to the searchList. But I couldn't find any method that allows me to add new data to the searchList.

The only solution for me was to get a reference of the searchList and append my data there. But I don't think that this is the right way to do it.

This is basically what i do:

#return the template

    def get_template(self, template):
        
        self.current_template = template + self.FILE_EXTENSION
        
        if (os.path.isfile(os.path.join(self.base_dir, self.current_template))):
            
            tmpl = Template(file = os.path.join(self.base_dir, self.current_template))

            return tmpl

---------------

	# returns the template instance
        tmpl = cherrypy.engine.publish("lookup-template", template).pop()
        
	#get the searchList
        searchlist = tmpl.searchList()
        
	#add the data to the searchList
        searchlist.append(data)

	#set the response body
        cherrypy.response.body = str(tmpl)

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#5007

From: "Redhorse, Olivia J. (WSTF-RD)[Jacobs Technology Inc]" <olivia.j.redhorse@...>
Date: Thu Apr 25, 2013 9:39 pm
Subject: [Cheetahtemplate-discuss] Displaying 50 records per page using Cheetah

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Hello All,

I am fairly new to using Cheetah and Python. I am planning to create a page that displays 50 records per page based on a search criteria. The user would be provided the option to go to the next or previous 50 records on the page. This is a new area for me. How can create a page like this? Any suggestions or other resources would be very helpful. I appreciate your input. -Olivia

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#5008

From: Daniel Winter <winniwinter@...>
Date: Fri Apr 26, 2013 8:31 am
Subject: Re: [Cheetahtemplate-discuss] Displaying 50 records per page using Cheetah

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That means you want to display data in a table with pagination?

Something like: http://www.datatables.net/ ?

That's a jQuery Plugin that can transform your html table. It also allows you to add filter and pagination options..

gruß,
daniel

On 25 Apr, 2013,at 11:39 PM, "Redhorse, Olivia J. (WSTF-RD)[Jacobs Technology Inc]" <olivia.j.redhorse@...> wrote:

Hello All,
I am fairly new to using Cheetah and Python. I am planning to create a page that displays 50 records per page based on a search criteria. The user would be provided the option to go to the next or previous 50 records on the page. This is a new area for me. How can create a page like this? Any suggestions or other resources would be very helpful. I appreciate your input. -Olivia

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#5009

From: "Redhorse, Olivia J. (WSTF-RD)[Jacobs Technology Inc]" <olivia.j.redhorse@...>
Date: Fri Apr 26, 2013 4:11 pm
Subject: Re: [Cheetahtemplate-discuss] Displaying 50 records per page using Cheetah

olivia.j.redhorse@...

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Yes, this looks like something I can use. I am going to try it. Thanks J

From: Daniel Winter [mailto:winniwinter@...]
Sent: Friday, April 26, 2013 2:31 AM
To: Redhorse, Olivia J. (WSTF-RD)[Jacobs Technology Inc]
Cc: cheetahtemplate-discuss@...
Subject: Re: [Cheetahtemplate-discuss] Displaying 50 records per page using Cheetah

That means you want to display data in a table with pagination?

Something like: http://www.datatables.net/ ?

That's a jQuery Plugin that can transform your html table. It also allows you to add filter and pagination options..

gruß,

daniel

On 25 Apr, 2013,at 11:39 PM, "Redhorse, Olivia J. (WSTF-RD)[Jacobs Technology Inc]" <olivia.j.redhorse@...> wrote:

Hello All,
I am fairly new to using Cheetah and Python. I am planning to create a page that displays 50 records per page based on a search criteria. The user would be provided the option to go to the next or previous 50 records on the page. This is a new area for me. How can create a page like this? Any suggestions or other resources would be very helpful. I appreciate your input. -Olivia

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#5010

From: "Redhorse, Olivia J. (WSTF-RD)[Jacobs Technology Inc]" <olivia.j.redhorse@...>
Date: Fri Apr 26, 2013 6:44 pm
Subject: Re: [Cheetahtemplate-discuss] Displaying 50 records per page using Cheetah

olivia.j.redhorse@...

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I have been playing with dataTables and I have a question. I was not sure if dataTables was going to work inside a *.tmpl file (cheetah file). When I test plain html (not using cheetah), datatables works fine. But when I try to use dataTables in a *.tmpl (a cheetah file) I get an error message, invalid character (in the browser), on the following code.

window.onload = (function() { $('#table_id').dataTable();} );

</script>

It is having a problem resolving the dollar sign ($) in the code. I know it is related to the fact that in a cheetah file, the dollar sign means a variable is declared. How do I resolve this? Or am I understanding this incorrectly?

That means you want to display data in a table with pagination?

Something like: http://www.datatables.net/ ?

That's a jQuery Plugin that can transform your html table. It also allows you to add filter and pagination options..

gruß,

daniel

On 25 Apr, 2013,at 11:39 PM, "Redhorse, Olivia J. (WSTF-RD)[Jacobs Technology Inc]" <olivia.j.redhorse@...> wrote:

Hello All,
I am fairly new to using Cheetah and Python. I am planning to create a page that displays 50 records per page based on a search criteria. The user would be provided the option to go to the next or previous 50 records on the page. This is a new area for me. How can create a page like this? Any suggestions or other resources would be very helpful. I appreciate your input. -Olivia

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#5011

From: Juha Tuomala <Juha.Tuomala@...>
Date: Sat Apr 27, 2013 10:12 am
Subject: Re: [Cheetahtemplate-discuss] Displaying 50 records per page using Cheetah

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On Fri, 26 Apr 2013, Redhorse, Olivia J. (WSTF-RD)[Jacobs Technology Inc] wrote:
> I have been playing with dataTables and I have a question.  I was
> not sure if dataTables was going to work inside a *.tmpl file
> (cheetah file).  When I test plain html (not using cheetah),
> datatables works fine.  But when I try to use dataTables in a
> *.tmpl (a cheetah file) I get an error message, invalid character
> (in the browser), on the following code.
>
> <script type="text/javascript">
> window.onload = (function() { $('#table_id').dataTable();} );
> </script>

> It is having a problem resolving the dollar sign ($) in the code.  I know it
is related to the fact that in a cheetah file, the dollar sign means a
> variable is declared.  How do I resolve this?  Or am I understanding this
incorrectly?

Cheetah has a directive called '#raw' that can hold stuff that does
not get parsed. Try that with your template.


Tuju

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#5012

From: Aaron Murray <aaron@...>
Date: Thu May 16, 2013 9:13 pm
Subject: [Cheetahtemplate-discuss] Upgrading from 0.9 to 2.4.4 and getting errors (natch)

aaron@...

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I have been tasked with upgrading my company's ancient installation of Cheetah.

My templates are compiling, but I'm getting a number of strange errors and I can't find the root cause. �I'm trying to figure out a systematic way to upgrade the templates, but so far information is scarce.

Below is an example:

#set formUtil = $iLib.aquariumFactory("widget.FormUtil",

� � defaults=[{"username": $session.get("username")}, $form])

This produces the following error:

NotFound: cannot find 'get' while searching for 'get'

If I refactor like so:

#set username = $session.get("username")

#set formUtil = $iLib.aquariumFactory("widget.FormUtil",

� � defaults=[{"username": $username}, $form])

I get no errors. I get similar errors in other places ("Cannot find X while searching for X"), but I'm not clear what changed in Cheetah so that I can address it in a consistent way.

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#5013

From: Aaron Murray <aaron@...>
Date: Wed May 22, 2013 10:53 pm
Subject: [Cheetahtemplate-discuss] Webware placeholders and the searchList

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I am upgrading to Cheetah 2.4.4. I'm getting a lot of errors relating to my $session placeholder (which is added to the searchList via a custom context object as ctx.session).

After the upgrade, $session is always None. �It seems like the Webware session variable from Servlet.py is sitting in the searchList above my custom placeholder. �The current Cheetah docs state:

"However, it is OK to put same-name variables in the searchList, because Webware does not use the searchList."

I know the docs are currently out of date. �It seems like this is no longer true.

Is there any way I can avoid changing the name of my session placeholder in every template? �I do not use Webware so I don't need any related functionality.

Thanks,

Aaron

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#5014

From: Brian Bird <Brian.Bird@...>
Date: Thu May 23, 2013 10:18 am
Subject: Re: [Cheetahtemplate-discuss] Webware placeholders and the searchList

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I think this might be the same problem I found when I upgraded a while ago:

http://sourceforge.net/mailarchive/forum.php?thread_name=6F7F60AEAD1E0D4B9958C3B7E7D2D4E31EDA82%40STExchange01.Menai.local&forum_name=cheetahtemplate-discuss

Since 2.0 Cheetah seems to look at the Template instance variables before searching the namespace. Most of these variables are prefixed with __CHEETAH__ so it’s unlikely to be an issue. But 4 of them (request, transaction, application and session) aren’t and therefore mask the value you have in your namespace.

Like you, I don’t use WebWare, but the only solution I found was to rename my variables (eg. in your case call it $session2 instead of $session)

I have no idea why this changed, personally I think it’s a bug but I don’t know if anyone else agrees or whether anyone is maintaining Cheetah any more in any case?

From: Aaron Murray [mailto:aaron@...]
Sent: 22 May 2013 23:54
To: cheetahtemplate-discuss@...
Subject: [Cheetahtemplate-discuss] Webware placeholders and the searchList

I am upgrading to Cheetah 2.4.4. I'm getting a lot of errors relating to my $session placeholder (which is added to the searchList via a custom context object as ctx.session).

After the upgrade, $session is always None. It seems like the Webware session variable from Servlet.py is sitting in the searchList above my custom placeholder. The current Cheetah docs state:

"However, it is OK to put same-name variables in the searchList, because Webware does not use the searchList."

I know the docs are currently out of date. It seems like this is no longer true.

Is there any way I can avoid changing the name of my session placeholder in every template? I do not use Webware so I don't need any related functionality.

Thanks,

Aaron

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