def make_distribution(name='my_project', zipped=False, zip_safe=True):
interp = {'project_name': name}
if zip_safe:
interp['content'] = dedent('''
def do_something():
print('hello world!')
''')
else:
interp['content'] = dedent('''
if __file__ == 'derp.py':
print('i am an idiot')
''')
with temporary_content(PROJECT_CONTENT, interp=interp) as td:
installer = Installer(td)
distribution = installer.distribution()
distiller = Distiller(distribution, debug=True)
dist_location = distiller.distill(into=safe_mkdtemp())
if zipped:
yield DistributionHelper.distribution_from_path(dist_location)
else:
with temporary_dir() as td:
extract_path = os.path.join(td, os.path.basename(dist_location))
with contextlib.closing(zipfile.ZipFile(dist_location)) as zf:
zf.extractall(extract_path)
yield DistributionHelper.distribution_from_path(extract_path)
def make_distribution(name='my_project', zipped=False, zip_safe=True):
interp = {'project_name': name}
if zip_safe:
interp['content'] = dedent('''
def do_something():
print('hello world!')
''')
else:
interp['content'] = dedent('''
if __file__ == 'derp.py':
print('i am an idiot')
''')
with temporary_content(PROJECT_CONTENT, interp=interp) as td:
installer = Installer(td)
distribution = installer.distribution()
distiller = Distiller(distribution, debug=True)
dist_location = distiller.distill(into=safe_mkdtemp())
if zipped:
yield DistributionHelper.distribution_from_path(dist_location)
else:
with temporary_dir() as td:
extract_path = os.path.join(td,
os.path.basename(dist_location))
with contextlib.closing(zipfile.ZipFile(dist_location)) as zf:
zf.extractall(extract_path)
yield DistributionHelper.distribution_from_path(extract_path)
def setup_distribute(self, interpreter, dest):
obtainer = Obtainer(self._crawler, self._fetchers, [])
obtainer_iterator = obtainer.iter(self._setuptools_requirement)
links = [link for link in obtainer_iterator if isinstance(link, SourceLink)]
for link in links:
self._logger('Fetching %s' % link)
sdist = link.fetch()
self._logger('Installing %s' % sdist)
installer = Installer(sdist, strict=False, interpreter=interpreter)
dist = installer.distribution()
self._logger('Distilling %s' % dist)
egg = Distiller(dist).distill(into=dest)
safe_link(egg, os.path.join(dest, 'distribute'))
break
def setup_distribute(self, interpreter, dest):
obtainer = Obtainer(self._crawler, self._fetchers, [])
obtainer_iterator = obtainer.iter(self._setuptools_requirement)
links = [
link for link in obtainer_iterator if isinstance(link, SourceLink)
]
for link in links:
self._logger('Fetching %s' % link)
sdist = link.fetch()
self._logger('Installing %s' % sdist)
installer = Installer(sdist, strict=False, interpreter=interpreter)
dist = installer.distribution()
self._logger('Distilling %s' % dist)
egg = Distiller(dist).distill(into=dest)
safe_link(egg, os.path.join(dest, 'distribute'))
break
def obtain(self, req, *ignore_args, **ignore_kwargs):
if not all(subcache.activated for subcache in self._subcaches):
# Only fetch once all subcaches have been exhausted.
return None
with self.timed('Fetching %s' % req):
fetched_req = self.fetcher.fetch(req)
if not fetched_req:
print('Failed to fetch %s' % req)
return None
installer = Installer(fetched_req)
with self.timed('Building %s' % req):
try:
dist = installer.distribution()
except Installer.InstallFailure as e:
print('Failed to install %s' % req, file=sys.stderr)
return None
if self._install_cache:
with self.timed('Distilling %s' % req):
distilled = Distiller(dist).distill(into=self._install_cache)
with self.timed('Constructing distribution %s' % req):
metadata = EggMetadata(EggZipImporter(distilled))
dist = Distribution.from_filename(distilled, metadata)
self.add(dist)
return dist
