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author | David Robillard <d@drobilla.net> | 2018-09-15 14:51:02 +0200 |
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committer | David Robillard <d@drobilla.net> | 2018-09-15 14:51:02 +0200 |
commit | eede9648d50c3750f6f8d1319a79dd76d7f10b55 (patch) | |
tree | ff0760d5f3f0e994413c8c1dff7a4fed37914bee /extras/buildcopy.py | |
download | ingen-eede9648d50c3750f6f8d1319a79dd76d7f10b55.tar.gz ingen-eede9648d50c3750f6f8d1319a79dd76d7f10b55.tar.bz2 ingen-eede9648d50c3750f6f8d1319a79dd76d7f10b55.zip |
Squashed 'waflib/' content from commit 982416b8
git-subtree-dir: waflib
git-subtree-split: 982416b8a6c6728e200243e1be3ab60435c08830
Diffstat (limited to 'extras/buildcopy.py')
-rw-r--r-- | extras/buildcopy.py | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/extras/buildcopy.py b/extras/buildcopy.py new file mode 100644 index 00000000..a6d9ac83 --- /dev/null +++ b/extras/buildcopy.py @@ -0,0 +1,82 @@ +#! /usr/bin/env python +# encoding: utf-8 +# Calle Rosenquist, 2017 (xbreak) +""" +Create task that copies source files to the associated build node. +This is useful to e.g. construct a complete Python package so it can be unit tested +without installation. + +Source files to be copied can be specified either in `buildcopy_source` attribute, or +`source` attribute. If both are specified `buildcopy_source` has priority. + +Examples:: + + def build(bld): + bld(name = 'bar', + features = 'py buildcopy', + source = bld.path.ant_glob('src/bar/*.py')) + + bld(name = 'py baz', + features = 'buildcopy', + buildcopy_source = bld.path.ant_glob('src/bar/*.py') + ['src/bar/resource.txt']) + +""" +import os, shutil +from waflib import Errors, Task, TaskGen, Utils, Node + +@TaskGen.before_method('process_source') +@TaskGen.feature('buildcopy') +def make_buildcopy(self): + """ + Creates the buildcopy task. + """ + def to_src_nodes(lst): + """Find file nodes only in src, TaskGen.to_nodes will not work for this since it gives + preference to nodes in build. + """ + if isinstance(lst, Node.Node): + if not lst.is_src(): + raise Errors.WafError('buildcopy: node %s is not in src'%lst) + if not os.path.isfile(lst.abspath()): + raise Errors.WafError('buildcopy: Cannot copy directory %s (unsupported action)'%lst) + return lst + + if isinstance(lst, str): + lst = [x for x in Utils.split_path(lst) if x and x != '.'] + + node = self.bld.path.get_src().search_node(lst) + if node: + if not os.path.isfile(node.abspath()): + raise Errors.WafError('buildcopy: Cannot copy directory %s (unsupported action)'%node) + return node + + node = self.bld.path.get_src().find_node(lst) + if node: + if not os.path.isfile(node.abspath()): + raise Errors.WafError('buildcopy: Cannot copy directory %s (unsupported action)'%node) + return node + raise Errors.WafError('buildcopy: File not found in src: %s'%os.path.join(*lst)) + + nodes = [ to_src_nodes(n) for n in getattr(self, 'buildcopy_source', getattr(self, 'source', [])) ] + node_pairs = [(n, n.get_bld()) for n in nodes] + self.create_task('buildcopy', [n[0] for n in node_pairs], [n[1] for n in node_pairs], node_pairs=node_pairs) + + +class buildcopy(Task.Task): + """ + Copy for each pair `n` in `node_pairs`: n[0] -> n[1]. + + Attribute `node_pairs` should contain a list of tuples describing source and target: + + node_pairs = [(in, out), ...] + + """ + color = 'PINK' + + def keyword(self): + return 'Copying' + + def run(self): + for f,t in self.node_pairs: + t.parent.mkdir() + shutil.copy2(f.abspath(), t.abspath()) |