1 files changed, 59 insertions, 0 deletions
diff --git a/src/backend/dlpkg.py b/src/backend/dlpkg.py
new file mode 100644
index 0000000..ce089ad
--- /dev/null
+++ b/src/backend/dlpkg.py
@@ -0,0 +1,59 @@
+#!/usr/bin/python3
+
+import atexit
+import io
+import os
+import signal
+import subprocess
+import sys
+import pickle
+import sisyphus.getfs
+import sisyphus.killemerge
+
+
+def sigint_handler(signal, frame):
+    sys.exit(0)
+
+
+signal.signal(signal.SIGINT, sigint_handler)
+
+
+def start(dl_world=False, gfx_ui=False):
+    dl_list = []
+
+    if dl_world:
+        file_path = os.path.join(
+            sisyphus.getfs.p_mtd_dir, "sisyphus_worlddeps.pickle")
+    else:
+        file_path = os.path.join(
+            sisyphus.getfs.p_mtd_dir, "sisyphus_pkgdeps.pickle")
+
+    with open(file_path, "rb") as f:
+        bin_list, src_list, is_vague, need_cfg = pickle.load(f)
+
+    dl_list = [f'={package}' for package in bin_list]
+
+    args = ['--nodeps', '--quiet', '--verbose', '--getbinpkg', '--fetchonly', '--rebuilt-binaries',
+            '--with-bdeps=y', '--misspell-suggestion=n', '--fuzzy-search=n'] + list(dl_list)
+
+    if gfx_ui:
+        p_exe = subprocess.Popen(
+            ['emerge'] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        # kill portage if the program dies or it's terminated by the user
+        atexit.register(sisyphus.killemerge.start, p_exe)
+
+        for p_out in io.TextIOWrapper(p_exe.stdout, encoding="utf-8"):
+            print(p_out.rstrip())
+
+        p_exe.wait()
+    else:
+        p_exe = subprocess.Popen(['emerge'] + args)
+        try:
+            p_exe.wait()
+        except KeyboardInterrupt:
+            p_exe.terminate()
+            try:
+                p_exe.wait(1)
+            except subprocess.TimeoutExpired:
+                p_exe.kill()
+            sys.exit()