upstream/ipython Files · IPython/frontend/html/notebook/__init__.py

Merge pull request from takluyver/catch-histdb-errors...

Merge pull request from takluyver/catch-histdb-errors Catch sqlite DatabaseErrors in more places when reading the history database It seems sqlite can encounter corruption and throw an error when reading the database, although it has connected successfully. This borrows the move-and-recreate machinery we already had on connecting to the database. If such an error occurs, the corrupted file is moved and the user get warned of the name of the corrupted file.

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             __init__.py
        
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             / IPython / frontend / html / notebook / __init__.py
          
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      """The IPython HTML Notebook"""

      # check for tornado 2.1.0

      msg = "The IPython Notebook requires tornado >= 2.1.0"

      try:

          import tornado

      except ImportError:

          raise ImportError(msg)

      try:

          version_info = tornado.version_info

      except AttributeError:

          raise ImportError(msg + ", but you have < 1.1.0")

      if version_info < (2,1,0):

          raise ImportError(msg + ", but you have %s" % tornado.version)

      del msg

      # check for pyzmq 2.1.4

      from IPython.zmq import check_for_zmq

      check_for_zmq('2.1.4', 'IPython.frontend.html.notebook')

      del check_for_zmq

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				"""The IPython HTML Notebook"""

				# check for tornado 2.1.0
				msg = "The IPython Notebook requires tornado >= 2.1.0"
				try:
				import tornado
				except ImportError:
				raise ImportError(msg)
				try:
				version_info = tornado.version_info
				except AttributeError:
				raise ImportError(msg + ", but you have < 1.1.0")
				if version_info < (2,1,0):
				raise ImportError(msg + ", but you have %s" % tornado.version)
				del msg

				# check for pyzmq 2.1.4
				from IPython.zmq import check_for_zmq
				check_for_zmq('2.1.4', 'IPython.frontend.html.notebook')
				del check_for_zmq