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""" IPython extension: Render templates from variables and paste to clipbard """

from IPython.core import ipapi

ip = ipapi.get()

from string import Template

import sys,os

# We no longer bundle Itpl. If you update this module, you should use advanced

# string formatting instead.

from IPython.external.Itpl import itplns

def toclip_w32(s):

""" Places contents of s to clipboard

Needs pyvin32 to work:

http://sourceforge.net/projects/pywin32/

"""

import win32clipboard as cl

import win32con

cl.OpenClipboard()

cl.EmptyClipboard()

cl.SetClipboardText( s.replace('\n','\r\n' ))

cl.CloseClipboard()

try:

import win32clipboard

toclip = toclip_w32

except ImportError:

def toclip(s): pass

def render(tmpl):

""" Render a template (Itpl format) from ipython variables

Example:

$ import ipy_render

$ my_name = 'Bob' # %store this for convenience

$ t_submission_form = "Submission report, author: $my_name" # %store also

$ render t_submission_form

=> returns "Submission report, author: Bob" and copies to clipboard on win32

# if template exist as a file, read it. Note: ;f hei vaan => f("hei vaan")

$ ;render c:/templates/greeting.txt

Template examples (Ka-Ping Yee's Itpl library):

Here is a $string.

Here is a $module.member.

Here is an $object.member.

Here is a $functioncall(with, arguments).

Here is an ${arbitrary + expression}.

Here is an $array[3] member.

Here is a $dictionary['member'].

"""

if os.path.isfile(tmpl):

tmpl = open(tmpl).read()

res = itplns(tmpl, ip.user_ns)

toclip(res)

return res

ip.push('render')