upstream/ipython Files · IPython/nbformat/v3/tests/formattest.py

Backport PR : DEV: Allow supplying jinja vars from python config....

Backport PR : DEV: Allow supplying jinja vars from python config. This PR allows the user to specify a dictionary of values to `NotebookApp.jinja_template_vars` whose values are made available in the jinja templating environment. This is primarily useful in conjunction with the `get_body_data` javascript function to allow programmatic access to Python-specified values from Javascript. An example of where this is useful is when you want to use different constants in Javascript based on a deployment environment; this allows you to write code in your ipython_notebook_config that looks like: ``` env = os.environ['DEPLOYMENT_ENV'] if env == 'DEV': template_vars = dev_template_vars ...

Bradley M. Froehle - - Load All Authors

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             formattest.py
        
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             / IPython / nbformat / v3 / tests / formattest.py
          
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      # -*- coding: utf8 -*-

      import io

      import os

      import shutil

      import tempfile

      pjoin = os.path.join

      from ..nbbase import (

          NotebookNode,

          new_code_cell, new_text_cell, new_worksheet, new_notebook

      )

      from ..nbpy import reads, writes, read, write

      from .nbexamples import nb0, nb0_py

      def open_utf8(fname, mode):

          return io.open(fname, mode=mode, encoding='utf-8')

      class NBFormatTest:

          """Mixin for writing notebook format tests"""

          # override with appropriate values in subclasses

          nb0_ref = None

          ext = None

          mod = None

          def setUp(self):

              self.wd = tempfile.mkdtemp()

          def tearDown(self):

              shutil.rmtree(self.wd)

          def assertNBEquals(self, nba, nbb):

              self.assertEqual(nba, nbb)

          def test_writes(self):

              s = self.mod.writes(nb0)

              if self.nb0_ref:

                  self.assertEqual(s, self.nb0_ref)

          def test_reads(self):

              s = self.mod.writes(nb0)

              nb = self.mod.reads(s)

          def test_roundtrip(self):

              s = self.mod.writes(nb0)

              self.assertNBEquals(self.mod.reads(s),nb0)

          def test_write_file(self):

              with open_utf8(pjoin(self.wd, "nb0.%s" % self.ext), 'w') as f:

                  self.mod.write(nb0, f)

          def test_read_file(self):

              with open_utf8(pjoin(self.wd, "nb0.%s" % self.ext), 'w') as f:

                  self.mod.write(nb0, f)

              with open_utf8(pjoin(self.wd, "nb0.%s" % self.ext), 'r') as f:

                  nb = self.mod.read(f)

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				# -- coding: utf8 --
				import io
				import os
				import shutil
				import tempfile

				pjoin = os.path.join

				from ..nbbase import (
				NotebookNode,
				new_code_cell, new_text_cell, new_worksheet, new_notebook
				)

				from ..nbpy import reads, writes, read, write
				from .nbexamples import nb0, nb0_py


				def open_utf8(fname, mode):
				return io.open(fname, mode=mode, encoding='utf-8')

				class NBFormatTest:
				"""Mixin for writing notebook format tests"""

				# override with appropriate values in subclasses
				nb0_ref = None
				ext = None
				mod = None

				def setUp(self):
				self.wd = tempfile.mkdtemp()

				def tearDown(self):
				shutil.rmtree(self.wd)

				def assertNBEquals(self, nba, nbb):
				self.assertEqual(nba, nbb)

				def test_writes(self):
				s = self.mod.writes(nb0)
				if self.nb0_ref:
				self.assertEqual(s, self.nb0_ref)

				def test_reads(self):
				s = self.mod.writes(nb0)
				nb = self.mod.reads(s)

				def test_roundtrip(self):
				s = self.mod.writes(nb0)
				self.assertNBEquals(self.mod.reads(s),nb0)

				def test_write_file(self):
				with open_utf8(pjoin(self.wd, "nb0.%s" % self.ext), 'w') as f:
				self.mod.write(nb0, f)

				def test_read_file(self):
				with open_utf8(pjoin(self.wd, "nb0.%s" % self.ext), 'w') as f:
				self.mod.write(nb0, f)

				with open_utf8(pjoin(self.wd, "nb0.%s" % self.ext), 'r') as f:
				nb = self.mod.read(f)