nixpkgs/pkgs/build-support/vm/windows/cygwin-iso/mkclosure.py
aszlig 4e21215d52
vm/windows: Move the installer into install/.
At least the largest portion of the installer, because in the end we
don't want the installer to *actually* save the state but only prepare
the base image.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2014-02-26 04:50:54 +01:00

78 lines
2.3 KiB
Python

# Ugliest Python code I've ever written. -- aszlig
import sys
def get_plist(path):
in_pack = False
in_str = False
current_key = None
buf = ""
packages = {}
package_name = None
package_attrs = {}
with open(path, 'r') as setup:
for line in setup:
if in_str and line.rstrip().endswith('"'):
package_attrs[current_key] = buf + line.rstrip()[:-1]
in_str = False
continue
elif in_str:
buf += line
continue
if line.startswith('@'):
in_pack = True
package_name = line[1:].strip()
package_attrs = {}
elif in_pack and ':' in line:
key, value = line.split(':', 1)
if value.lstrip().startswith('"'):
if value.lstrip()[1:].rstrip().endswith('"'):
value = value.strip().strip('"')
else:
in_str = True
current_key = key.strip().lower()
buf = value.lstrip()[1:]
continue
package_attrs[key.strip().lower()] = value.strip()
elif in_pack:
in_pack = False
packages[package_name] = package_attrs
return packages
def main():
packages = get_plist(sys.argv[1])
to_include = set()
def traverse(package):
to_include.add(package)
attrs = packages.get(package, {})
deps = attrs.get('requires', '').split()
for new_dep in set(deps) - to_include:
traverse(new_dep)
map(traverse, sys.argv[2:])
sys.stdout.write('[\n')
for package, attrs in packages.iteritems():
if package not in to_include:
cats = [c.lower() for c in attrs.get('category', '').split()]
if 'base' not in cats:
continue
install_line = attrs.get('install')
if install_line is None:
continue
url, size, md5 = install_line.split(' ', 2)
pack = [
' {',
' url = "{0}";'.format(url),
' md5 = "{0}";'.format(md5),
' }',
];
sys.stdout.write('\n'.join(pack) + '\n')
sys.stdout.write(']\n')
if __name__ == '__main__':
main()