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@@ -1,32 +1,46 b'' | |||||
1 | """ fabfile to prepare the notebook """ |
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1 | """ fabfile to prepare the notebook """ | |
2 |
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2 | |||
3 | from fabric.api import local,lcd |
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3 | from fabric.api import local,lcd | |
4 | from fabric.utils import abort |
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4 | from fabric.utils import abort | |
5 | import os |
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5 | import os | |
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6 | from distutils.version import LooseVersion as V | |||
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7 | from subprocess import check_output | |||
6 |
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8 | |||
7 | pjoin = os.path.join |
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9 | pjoin = os.path.join | |
8 | static_dir = 'static' |
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10 | static_dir = 'static' | |
9 | components_dir = os.path.join(static_dir, 'components') |
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11 | components_dir = os.path.join(static_dir, 'components') | |
10 |
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12 | |||
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13 | min_less_version = '1.4.0' | |||
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14 | max_less_version = '1.5.0' # exclusive | |||
11 |
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15 | |||
12 | def css(minify=True, verbose=False): |
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16 | def css(minify=True, verbose=False): | |
13 | """generate the css from less files""" |
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17 | """generate the css from less files""" | |
14 | for name in ('style', 'ipython'): |
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18 | for name in ('style', 'ipython'): | |
15 | source = pjoin('style', "%s.less" % name) |
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19 | source = pjoin('style', "%s.less" % name) | |
16 | target = pjoin('style', "%s.min.css" % name) |
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20 | target = pjoin('style', "%s.min.css" % name) | |
17 | _compile_less(source, target, minify, verbose) |
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21 | _compile_less(source, target, minify, verbose) | |
18 |
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22 | |||
19 | def _to_bool(b): |
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23 | def _to_bool(b): | |
20 | if not b in ['True', 'False', True, False]: |
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24 | if not b in ['True', 'False', True, False]: | |
21 | abort('boolean expected, got: %s' % b) |
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25 | abort('boolean expected, got: %s' % b) | |
22 | return (b in ['True', True]) |
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26 | return (b in ['True', True]) | |
23 |
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27 | |||
24 | def _compile_less(source, target, minify=True, verbose=False): |
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28 | def _compile_less(source, target, minify=True, verbose=False): | |
25 | """Compile a less file by source and target relative to static_dir""" |
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29 | """Compile a less file by source and target relative to static_dir""" | |
26 | minify = _to_bool(minify) |
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30 | minify = _to_bool(minify) | |
27 | verbose = _to_bool(verbose) |
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31 | verbose = _to_bool(verbose) | |
28 | min_flag = '-x' if minify is True else '' |
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32 | min_flag = '-x' if minify is True else '' | |
29 | ver_flag = '--verbose' if verbose is True else '' |
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33 | ver_flag = '--verbose' if verbose is True else '' | |
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34 | ||||
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35 | # pin less to 1.4 | |||
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36 | out = check_output(['lessc', '--version']) | |||
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37 | out = out.decode('utf8', 'replace') | |||
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38 | less_version = out.split()[1] | |||
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39 | if V(less_version) < V(min_less_version): | |||
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40 | raise ValueError("lessc too old: %s < %s" % (less_version, min_less_version)) | |||
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41 | if V(less_version) > V(max_less_version): | |||
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42 | raise ValueError("lessc too new: %s > %s" % (less_version, max_less_version)) | |||
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43 | ||||
30 | with lcd(static_dir): |
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44 | with lcd(static_dir): | |
31 | local('lessc {min_flag} {ver_flag} {source} {target}'.format(**locals())) |
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45 | local('lessc {min_flag} {ver_flag} {source} {target}'.format(**locals())) | |
32 |
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46 |
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