# apt-get -d install python-lxml
...
The following packages have unmet dependencies:
 python-lxml : Depends: python (< 2.6) but 2.6.6-3+squeeze7 is to be installed
E: Broken packages

apt-get -o Dir::Etc::Main=/path/to/precise/apt.conf -d …

Dig::State::status "/path/to/precise/status";
APT::Get::Download-Only "true";

docker pull debian:stretch-slim
docker run -it debian:stretch-slim bash
mkdir packages && cd packages
PACKAGES="wget unzip"
# Downloads to current directory
apt-get download $(apt-cache depends --recurse --no-recommends --no-suggests
  --no-conflicts --no-breaks --no-replaces --no-enhances
  --no-pre-depends ${PACKAGES} | grep "^w")