Mercurial > repos > guerler > hhblits
comparison lib/python3.8/site-packages/setuptools/namespaces.py @ 0:9e54283cc701 draft
"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
| author | guerler |
|---|---|
| date | Mon, 27 Jul 2020 03:47:31 -0400 |
| parents | |
| children |
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| -1:000000000000 | 0:9e54283cc701 |
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| 1 import os | |
| 2 from distutils import log | |
| 3 import itertools | |
| 4 | |
| 5 from setuptools.extern.six.moves import map | |
| 6 | |
| 7 | |
| 8 flatten = itertools.chain.from_iterable | |
| 9 | |
| 10 | |
| 11 class Installer: | |
| 12 | |
| 13 nspkg_ext = '-nspkg.pth' | |
| 14 | |
| 15 def install_namespaces(self): | |
| 16 nsp = self._get_all_ns_packages() | |
| 17 if not nsp: | |
| 18 return | |
| 19 filename, ext = os.path.splitext(self._get_target()) | |
| 20 filename += self.nspkg_ext | |
| 21 self.outputs.append(filename) | |
| 22 log.info("Installing %s", filename) | |
| 23 lines = map(self._gen_nspkg_line, nsp) | |
| 24 | |
| 25 if self.dry_run: | |
| 26 # always generate the lines, even in dry run | |
| 27 list(lines) | |
| 28 return | |
| 29 | |
| 30 with open(filename, 'wt') as f: | |
| 31 f.writelines(lines) | |
| 32 | |
| 33 def uninstall_namespaces(self): | |
| 34 filename, ext = os.path.splitext(self._get_target()) | |
| 35 filename += self.nspkg_ext | |
| 36 if not os.path.exists(filename): | |
| 37 return | |
| 38 log.info("Removing %s", filename) | |
| 39 os.remove(filename) | |
| 40 | |
| 41 def _get_target(self): | |
| 42 return self.target | |
| 43 | |
| 44 _nspkg_tmpl = ( | |
| 45 "import sys, types, os", | |
| 46 "has_mfs = sys.version_info > (3, 5)", | |
| 47 "p = os.path.join(%(root)s, *%(pth)r)", | |
| 48 "importlib = has_mfs and __import__('importlib.util')", | |
| 49 "has_mfs and __import__('importlib.machinery')", | |
| 50 ( | |
| 51 "m = has_mfs and " | |
| 52 "sys.modules.setdefault(%(pkg)r, " | |
| 53 "importlib.util.module_from_spec(" | |
| 54 "importlib.machinery.PathFinder.find_spec(%(pkg)r, " | |
| 55 "[os.path.dirname(p)])))" | |
| 56 ), | |
| 57 ( | |
| 58 "m = m or " | |
| 59 "sys.modules.setdefault(%(pkg)r, types.ModuleType(%(pkg)r))" | |
| 60 ), | |
| 61 "mp = (m or []) and m.__dict__.setdefault('__path__',[])", | |
| 62 "(p not in mp) and mp.append(p)", | |
| 63 ) | |
| 64 "lines for the namespace installer" | |
| 65 | |
| 66 _nspkg_tmpl_multi = ( | |
| 67 'm and setattr(sys.modules[%(parent)r], %(child)r, m)', | |
| 68 ) | |
| 69 "additional line(s) when a parent package is indicated" | |
| 70 | |
| 71 def _get_root(self): | |
| 72 return "sys._getframe(1).f_locals['sitedir']" | |
| 73 | |
| 74 def _gen_nspkg_line(self, pkg): | |
| 75 # ensure pkg is not a unicode string under Python 2.7 | |
| 76 pkg = str(pkg) | |
| 77 pth = tuple(pkg.split('.')) | |
| 78 root = self._get_root() | |
| 79 tmpl_lines = self._nspkg_tmpl | |
| 80 parent, sep, child = pkg.rpartition('.') | |
| 81 if parent: | |
| 82 tmpl_lines += self._nspkg_tmpl_multi | |
| 83 return ';'.join(tmpl_lines) % locals() + '\n' | |
| 84 | |
| 85 def _get_all_ns_packages(self): | |
| 86 """Return sorted list of all package namespaces""" | |
| 87 pkgs = self.distribution.namespace_packages or [] | |
| 88 return sorted(flatten(map(self._pkg_names, pkgs))) | |
| 89 | |
| 90 @staticmethod | |
| 91 def _pkg_names(pkg): | |
| 92 """ | |
| 93 Given a namespace package, yield the components of that | |
| 94 package. | |
| 95 | |
| 96 >>> names = Installer._pkg_names('a.b.c') | |
| 97 >>> set(names) == set(['a', 'a.b', 'a.b.c']) | |
| 98 True | |
| 99 """ | |
| 100 parts = pkg.split('.') | |
| 101 while parts: | |
| 102 yield '.'.join(parts) | |
| 103 parts.pop() | |
| 104 | |
| 105 | |
| 106 class DevelopInstaller(Installer): | |
| 107 def _get_root(self): | |
| 108 return repr(str(self.egg_path)) | |
| 109 | |
| 110 def _get_target(self): | |
| 111 return self.egg_link |