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@@ -0,0 +1,35 b'' | |||
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1 | # encoding: utf-8 | |
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2 | """ | |
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3 | Utilities for version comparison | |
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4 | ||
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5 | It is a bit ridiculous that we need these. | |
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6 | """ | |
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7 | ||
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8 | #----------------------------------------------------------------------------- | |
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9 | # Copyright (C) 2013 The IPython Development Team | |
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10 | # | |
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11 | # Distributed under the terms of the BSD License. The full license is in | |
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12 | # the file COPYING, distributed as part of this software. | |
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13 | #----------------------------------------------------------------------------- | |
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14 | ||
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15 | #----------------------------------------------------------------------------- | |
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16 | # Imports | |
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17 | #----------------------------------------------------------------------------- | |
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18 | ||
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19 | from distutils.version import LooseVersion | |
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20 | ||
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21 | #----------------------------------------------------------------------------- | |
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22 | # Code | |
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23 | #----------------------------------------------------------------------------- | |
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24 | ||
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25 | def check_version(v, check): | |
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26 | """check version string v >= check | |
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27 | ||
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28 | If dev/prerelease tags result in TypeError for string-number comparison, | |
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29 | it is assumed that the dependency is satisfied. | |
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30 | Users on dev branches are responsible for keeping their own packages up to date. | |
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31 | """ | |
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32 | try: | |
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33 | return LooseVersion(v) >= LooseVersion(check) | |
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34 | except TypeError: | |
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35 | return True |
@@ -7,7 +7,7 b' Do not use this if you need PyQt with the old QString/QVariant API.' | |||
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7 | 7 | """ |
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8 | 8 | |
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9 | 9 | import os |
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10 | ||
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10 | from IPython.utils.version import check_version | |
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11 | 11 | # Available APIs. |
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12 | 12 | QT_API_PYQT = 'pyqt' |
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13 | 13 | QT_API_PYSIDE = 'pyside' |
@@ -26,7 +26,7 b' if QT_API is None:' | |||
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26 | 26 | pyside_found = False |
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27 | 27 | try: |
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28 | 28 | import PySide |
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29 |
if PySide.__version__ |
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29 | if not check_version(PySide.__version__, '1.0.3'): | |
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30 | 30 | # old PySide, fallback on PyQt |
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31 | 31 | raise ImportError |
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32 | 32 | # we can't import an incomplete pyside and pyqt4 |
@@ -49,7 +49,7 b' if QT_API is None:' | |||
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49 | 49 | "present.\nThis will likely crash, please install " \ |
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50 | 50 | "PySide completely, remove PySide or PyQt4 or set " \ |
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51 | 51 | "the QT_API environment variable to pyqt or pyside" |
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52 |
if QtCore.PYQT_VERSION_STR |
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52 | if not check_version(QtCore.PYQT_VERSION_STR, '4.7'): | |
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53 | 53 | # PyQt 4.6 has issues with null strings returning as None |
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54 | 54 | raise ImportError |
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55 | 55 | QT_API = QT_API_PYQT |
@@ -63,7 +63,7 b' elif QT_API == QT_API_PYQT:' | |||
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63 | 63 | # Now peform the imports. |
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64 | 64 | if QT_API == QT_API_PYQT: |
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65 | 65 | from PyQt4 import QtCore, QtGui, QtSvg |
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66 |
if QtCore.PYQT_VERSION_STR |
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66 | if not check_version(QtCore.PYQT_VERSION_STR, '4.7'): | |
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67 | 67 | raise ImportError("IPython requires PyQt4 >= 4.7, found %s"%QtCore.PYQT_VERSION_STR) |
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68 | 68 | |
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69 | 69 | # Alias PyQt-specific functions for PySide compatibility. |
@@ -72,7 +72,7 b' if QT_API == QT_API_PYQT:' | |||
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72 | 72 | |
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73 | 73 | elif QT_API == QT_API_PYSIDE: |
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74 | 74 | import PySide |
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75 |
if PySide.__version__ |
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75 | if not check_version(PySide.__version__, '1.0.3'): | |
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76 | 76 | raise ImportError("IPython requires PySide >= 1.0.3, found %s"%PySide.__version__) |
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77 | 77 | from PySide import QtCore, QtGui, QtSvg |
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78 | 78 |
@@ -32,9 +32,10 b' import os' | |||
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32 | 32 | import sys |
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33 | 33 | |
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34 | 34 | from IPython.utils.warn import warn |
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35 | from IPython.utils.version import check_version | |
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35 | 36 | |
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36 | 37 | matplotlib = sys.modules.get('matplotlib') |
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37 |
if matplotlib and matplotlib.__version__ |
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38 | if matplotlib and not check_version(matplotlib.__version__, '1.0.2'): | |
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38 | 39 | # 1.0.1 doesn't support pyside or v2, so stick with PyQt @v1, |
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39 | 40 | # and ignore everything else |
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40 | 41 | from PyQt4 import QtCore, QtGui |
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