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@@ -1,10 +1,16 b'' | |||
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1 | 1 | """invoke task file to build CSS""" |
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2 | 2 | |
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3 | from invoke import task, run | |
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3 | from __future__ import print_function | |
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4 | ||
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4 | 5 | import os |
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6 | import sys | |
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5 | 7 | from distutils.version import LooseVersion as V |
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6 | 8 | from subprocess import check_output |
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7 | 9 | |
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10 | from invoke import task, run | |
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11 | from invoke.runner import Result | |
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12 | from invoke.exceptions import Failure | |
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13 | ||
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8 | 14 | pjoin = os.path.join |
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9 | 15 | static_dir = 'static' |
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10 | 16 | components_dir = pjoin(static_dir, 'components') |
@@ -13,6 +19,18 b' here = os.path.dirname(__file__)' | |||
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13 | 19 | min_less_version = '2.0' |
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14 | 20 | max_less_version = '3.0' # exclusive if string |
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15 | 21 | |
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22 | ||
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23 | def _fail(msg=''): | |
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24 | """Fail a task, logging a message to stderr | |
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25 | ||
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26 | raises a special Failure Exception from invoke. | |
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27 | """ | |
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28 | if msg: | |
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29 | print(msg, file=sys.stderr) | |
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30 | # raising a Failure allows us to avoid a traceback | |
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31 | # we only care about exited, but stdout, stderr, pty are required args | |
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32 | raise Failure(Result(stdout='', stderr='', pty=False, exited=1)) | |
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33 | ||
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16 | 34 | def _need_css_update(): |
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17 | 35 | """Does less need to run?""" |
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18 | 36 | |
@@ -53,23 +71,30 b' def css(minify=False, verbose=False, force=False):' | |||
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53 | 71 | sourcemap = pjoin('style', "%s.min.css.map" % name) |
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54 | 72 | _compile_less(source, target, sourcemap, minify, verbose) |
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55 | 73 | |
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74 | ||
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56 | 75 | def _compile_less(source, target, sourcemap, minify=True, verbose=False): |
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57 | 76 | """Compile a less file by source and target relative to static_dir""" |
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58 | 77 | min_flag = '-x' if minify else '' |
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59 | 78 | ver_flag = '--verbose' if verbose else '' |
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60 | 79 | |
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80 | install = "(npm install -g 'less@<{}')".format(max_less_version) | |
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61 | 81 | # pin less to version number from above |
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62 | 82 | try: |
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63 | 83 | out = check_output(['lessc', '--version']) |
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64 | 84 | except OSError as err: |
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65 |
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66 |
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85 | _fail("Unable to find lessc. Rebuilding css requires less >= {0} and < {1} {2}".format( | |
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86 | min_less_version, max_less_version, install | |
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87 | )) | |
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67 | 88 | out = out.decode('utf8', 'replace') |
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68 | 89 | less_version = out.split()[1] |
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69 | 90 | if min_less_version and V(less_version) < V(min_less_version): |
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70 | raise ValueError("lessc too old: %s < %s. Use `$ npm install less@X.Y.Z` to install a specific version of less" % (less_version, min_less_version)) | |
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91 | _fail("lessc too old: {} < {} {}".format( | |
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92 | less_version, min_less_version, install, | |
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93 | )) | |
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71 | 94 | if max_less_version and V(less_version) >= V(max_less_version): |
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72 | raise ValueError("lessc too new: %s >= %s. Use `$ npm install less@X.Y.Z` to install a specific version of less" % (less_version, max_less_version)) | |
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95 | _fail("lessc too new: {} >= {} {}".format( | |
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96 | less_version, max_less_version, install, | |
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97 | )) | |
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73 | 98 | |
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74 | 99 | static_path = pjoin(here, static_dir) |
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75 | 100 | cwd = os.getcwd() |
@@ -24,9 +24,10 b' from distutils.command.build_scripts import build_scripts' | |||
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24 | 24 | from distutils.command.install import install |
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25 | 25 | from distutils.command.install_scripts import install_scripts |
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26 | 26 | from distutils.cmd import Command |
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27 | from distutils.errors import DistutilsExecError | |
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27 | 28 | from fnmatch import fnmatch |
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28 | 29 | from glob import glob |
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29 |
from subprocess import |
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30 | from subprocess import Popen, PIPE | |
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30 | 31 | |
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31 | 32 | from setupext import install_data_ext |
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32 | 33 | |
@@ -712,7 +713,15 b' class CompileCSS(Command):' | |||
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712 | 713 | cmd.append('--minify') |
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713 | 714 | if self.force: |
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714 | 715 | cmd.append('--force') |
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715 | check_call(cmd, cwd=pjoin(repo_root, "IPython", "html")) | |
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716 | try: | |
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717 | p = Popen(cmd, cwd=pjoin(repo_root, "IPython", "html"), stderr=PIPE) | |
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718 | except OSError: | |
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719 | raise DistutilsExecError("invoke is required to rebuild css (pip install invoke)") | |
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720 | out, err = p.communicate() | |
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721 | if p.returncode: | |
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722 | if sys.version_info[0] >= 3: | |
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723 | err = err.decode('utf8', 'replace') | |
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724 | raise DistutilsExecError(err.strip()) | |
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716 | 725 | |
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717 | 726 | |
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718 | 727 | class JavascriptVersion(Command): |
@@ -750,6 +759,7 b' def css_js_prerelease(command, strict=True):' | |||
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750 | 759 | if strict: |
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751 | 760 | raise |
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752 | 761 | else: |
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753 |
log.warn(" |
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762 | log.warn("rebuilding css and sourcemaps failed (not a problem)") | |
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763 | log.warn(str(e)) | |
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754 | 764 | command.run(self) |
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755 | 765 | return DecoratedCommand |
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