def pin_requirements(dist, all_dists):
"""
Override versions of things we're tagging to be explicit pins.
This will 'flatten' the dependency graph for anything that is third-party so that nothing
shifts under our feet when we install this later.
"""
get_log().info("Pinning requirements for %s" % dist)
with chdir(dist.location):
parser = get_parser()
cfg = get_metadata(parser)
new_reqs = set()
for req in pkg_resources.parse_requirements(cfg['install_requires']):
if not req.key in all_dists:
raise PackageError("Dependency %s is not installed, cannot pin to version." % req.project_name)
req_dist = all_dists[req.key]
if is_third_party(req_dist):
# Flatten third-party requirement graphs.
[new_reqs.add(i.as_requirement()) for i in resolve_dependencies([req_dist]).values()]
else:
new_reqs.add(all_dists[req.key].as_requirement())
parser.set('metadata','install_requires', '\n'.join(str(i) for i in new_reqs))
# Save setup file away so we can go back to the un-pinned version
shutil.copyfile('setup.cfg', 'setup.cfg.unpinned')
# Write out pinned requirements
with open('setup.cfg', 'wb') as fp:
parser.write(fp)
return new_reqs
def pin_requirements(dist, all_dists):
"""
Override versions of things we're tagging to be explicit pins.
This will 'flatten' the dependency graph for anything that is third-party so that nothing
shifts under our feet when we install this later.
"""
get_log().info("Pinning requirements for %s" % dist)
with chdir(dist.location):
parser = get_parser()
cfg = get_metadata(parser)
new_reqs = set()
for req in pkg_resources.parse_requirements(cfg['install_requires']):
if not req.key in all_dists:
raise PackageError(
"Dependency %s is not installed, cannot pin to version." %
req.project_name)
req_dist = all_dists[req.key]
if is_third_party(req_dist):
# Flatten third-party requirement graphs.
[
new_reqs.add(i.as_requirement())
for i in resolve_dependencies([req_dist]).values()
]
else:
new_reqs.add(all_dists[req.key].as_requirement())
parser.set('metadata', 'install_requires',
'\n'.join(str(i) for i in new_reqs))
# Save setup file away so we can go back to the un-pinned version
shutil.copyfile('setup.cfg', 'setup.cfg.unpinned')
# Write out pinned requirements
with open('setup.cfg', 'wb') as fp:
parser.write(fp)
return new_reqs
def get_dist_name(pkg_dir):
with chdir(pkg_dir):
return get_metadata(get_parser())['name']
def get_dist_name(pkg_dir):
with chdir(pkg_dir):
return get_metadata(get_parser())['name']
