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Merge pull request #5027 from minrk/pin-less

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pin lessc to 1.4
This commit is contained in:
Brian E. Granger 2014-02-04 15:00:32 -08:00
commit f74b63ebcf
1 changed files with 14 additions and 0 deletions
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14
IPython/html/fabfile.py vendored
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@ -3,11 +3,15 @@
from fabric.api import local,lcd
from fabric.utils import abort
import os
from distutils.version import LooseVersion as V
from subprocess import check_output
pjoin = os.path.join
static_dir = 'static'
components_dir = os.path.join(static_dir, 'components')
min_less_version = '1.4.0'
max_less_version = '1.5.0' # exclusive
def css(minify=True, verbose=False):
"""generate the css from less files"""
@ -27,6 +31,16 @@ def _compile_less(source, target, minify=True, verbose=False):
verbose = _to_bool(verbose)
min_flag = '-x' if minify is True else ''
ver_flag = '--verbose' if verbose is True else ''
# pin less to 1.4
out = check_output(['lessc', '--version'])
out = out.decode('utf8', 'replace')
less_version = out.split()[1]
if V(less_version) < V(min_less_version):
raise ValueError("lessc too old: %s < %s" % (less_version, min_less_version))
if V(less_version) > V(max_less_version):
raise ValueError("lessc too new: %s > %s" % (less_version, max_less_version))
with lcd(static_dir):
local('lessc {min_flag} {ver_flag} {source} {target}'.format(**locals()))