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# encoding: utf-8
from __future__ import print_function
__docformat__ = "restructuredtext en"
#-------------------------------------------------------------------------------
# Copyright (C) 2008 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-------------------------------------------------------------------------------
#-------------------------------------------------------------------------------
# Imports
#-------------------------------------------------------------------------------
import sys, os
from textwrap import fill
display_status=True
def check_display(f):
"""decorator to allow display methods to be muted by mod.display_status"""
def maybe_display(*args, **kwargs):
if display_status:
return f(*args, **kwargs)
return maybe_display
@check_display
def print_line(char='='):
print(char * 76)
@check_display
def print_status(package, status):
initial_indent = "%22s: " % package
indent = ' ' * 24
print(fill(str(status), width=76,
initial_indent=initial_indent,
subsequent_indent=indent))
@check_display
def print_message(message):
indent = ' ' * 24 + "* "
print(fill(str(message), width=76,
initial_indent=indent,
subsequent_indent=indent))
@check_display
def print_raw(section):
print(section)
#-------------------------------------------------------------------------------
# Tests for specific packages
#-------------------------------------------------------------------------------
def check_for_ipython():
try:
import IPython
except ImportError:
print_status("IPython", "Not found")
return False
else:
print_status("IPython", IPython.__version__)
return True
def check_for_sphinx():
try:
import sphinx
except ImportError:
print_status('sphinx', "Not found (required for building documentation)")
return False
else:
print_status('sphinx', sphinx.__version__)
return True
def check_for_pygments():
try:
import pygments
except ImportError:
print_status('pygments', "Not found (required for syntax highlighting documentation)")
return False
else:
print_status('pygments', pygments.__version__)
return True
def check_for_nose():
try:
import nose
except ImportError:
print_status('nose', "Not found (required for running the test suite)")
return False
else:
print_status('nose', nose.__version__)
return True
def check_for_pexpect():
try:
import pexpect
except ImportError:
print_status("pexpect", "no (required for running standalone doctests)")
return False
else:
print_status("pexpect", pexpect.__version__)
return True
def check_for_httplib2():
try:
import httplib2
except ImportError:
print_status("httplib2", "no (required for blocking http clients)")
return False
else:
print_status("httplib2","yes")
return True
def check_for_sqlalchemy():
try:
import sqlalchemy
except ImportError:
print_status("sqlalchemy", "no (required for the ipython1 notebook)")
return False
else:
print_status("sqlalchemy","yes")
return True
def check_for_simplejson():
try:
import simplejson
except ImportError:
print_status("simplejson", "no (required for the ipython1 notebook)")
return False
else:
print_status("simplejson","yes")
return True
def check_for_pyzmq():
try:
import zmq
except ImportError:
print_status('pyzmq', "no (required for qtconsole, notebook, and parallel computing capabilities)")
return False
else:
# pyzmq 2.1.10 adds pyzmq_version_info funtion for returning
# version as a tuple
if hasattr(zmq, 'pyzmq_version_info'):
if zmq.pyzmq_version_info() >= (2,1,4):
print_status("pyzmq", zmq.__version__)
return True
else:
# this branch can never occur, at least until we update our
# pyzmq dependency beyond 2.1.10
return False
# this is necessarily earlier than 2.1.10, so string comparison is
# okay
if zmq.__version__ < '2.1.4':
print_status('pyzmq', "no (have %s, but require >= 2.1.4 for"
" qtconsole and parallel computing capabilities)"%zmq.__version__)
return False
else:
print_status("pyzmq", zmq.__version__)
return True
def check_for_readline():
from distutils.version import LooseVersion
try:
import readline
except ImportError:
try:
import pyreadline
vs = pyreadline.release.version
except (ImportError, AttributeError):
print_status('readline', "no (required for good interactive behavior)")
return False
if LooseVersion(vs).version >= [1,7,1]:
print_status('readline', "yes pyreadline-" + vs)
return True
else:
print_status('readline', "no pyreadline-%s < 1.7.1" % vs)
return False
else:
print_status('readline', "yes")
return True
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