cosmetic tweaks

1 files changed, 349 insertions, 0 deletions

diff --git a/src/backend/sysupgrade.py b/src/backend/sysupgrade.py
new file mode 100644
index 0000000..f8b01d2
--- /dev/null
+++ b/src/backend/sysupgrade.py
@@ -0,0 +1,349 @@
+#!/usr/bin/python3
+
+import atexit
+import fcntl
+import io
+import os
+import pickle
+import selectors
+import signal
+import subprocess
+import sys
+import time
+import sisyphus.checkenv
+import sisyphus.dlbinpkg
+import sisyphus.getclr
+import sisyphus.getfs
+import sisyphus.killemerge
+import sisyphus.solvedeps
+import sisyphus.syncdb
+import sisyphus.syncall
+
+
+def set_nonblocking(fd):
+    flags = fcntl.fcntl(fd, fcntl.F_GETFL)
+    fcntl.fcntl(fd, fcntl.F_SETFL, flags | os.O_NONBLOCK)
+
+
+def spinner_animation():
+    spinner = ['-', '\\', '|', '/']
+    sel = selectors.DefaultSelector()
+    sel.register(sys.stdin, selectors.EVENT_READ)
+
+    for _ in range(10):
+        for char in spinner:
+            sys.stdout.write('\b' + char)
+            sys.stdout.flush()
+            events = sel.select(timeout=0.1)
+            if events:
+                return
+    sys.stdout.write('\b')
+
+
+def sigint_handler(signal, frame):
+    sys.exit(0)
+
+
+signal.signal(signal.SIGINT, sigint_handler)
+
+
+def start(ebuild=False, gfx_ui=False):
+    go_args = ['--quiet', '--verbose', '--update', '--deep', '--newuse',
+               '--backtrack=100', '--with-bdeps=y', '--misspell-suggestion=n', '--fuzzy-search=n']
+    nogo_args = ['--quiet', '--update', '--deep', '--newuse', '--pretend', '--getbinpkg',
+                  '--rebuilt-binaries', '--backtrack=100', '--with-bdeps=y', '--misspell-suggestion=n', '--fuzzy-search=n',]
+    if not sisyphus.checkenv.root():
+        print(f"{sisyphus.getclr.bright_red}\nRoot permissions are required for this operation.\n{sisyphus.getclr.reset}")
+        sys.exit()
+    else:
+        if gfx_ui:
+            sisyphus.solvedeps.start.__wrapped__()  # undecorate
+        else:
+            sisyphus.syncall.start(gfx_ui=False)
+            sisyphus.solvedeps.start()
+
+        bin_list, src_list, is_vague, need_cfg = pickle.load(
+            open(os.path.join(sisyphus.getfs.p_mtd_dir, "sisyphus_worlddeps.pickle"), "rb"))
+
+    if need_cfg != 0:  # catch aliens
+        p_exe = subprocess.Popen(['emerge'] + nogo_args + ['@world'])
+        try:
+            p_exe.wait()
+        except KeyboardInterrupt:
+            p_exe.terminate()
+            try:
+                p_exe.wait(1)
+            except subprocess.TimeoutExpired:
+                p_exe.kill()
+            sys.exit()
+        if gfx_ui:
+            print("\nCannot proceed!\nPlease apply the above changes to your portage configuration files and try again.")
+            for i in range(9, 0, -1):
+                print(f"Killing application in : {i} seconds!")
+                time.sleep(1)
+
+            sys.exit(app.exec_())  # kill GUI window
+        else:
+            print(f"{sisyphus.getclr.bright_red}\nCannot proceed!\n{sisyphus.getclr.reset}{sisyphus.getclr.bright_yellow}Please apply the above changes to your portage configuration files and try again!{sisyphus.getclr.reset}")
+            sys.exit()
+    else:
+        if len(bin_list) == 0 and len(src_list) == 0:
+            if gfx_ui:
+                print("\nThe system is up to date; no package upgrades are required.\n")
+            else:
+                print(
+                    f"{sisyphus.getclr.bright_red}\nThe system is up to date; no package upgrades are required.\n{sisyphus.getclr.reset}")
+                sys.exit()
+
+        if ebuild:  # ebuild mode
+            if len(bin_list) == 0 and len(src_list) != 0:  # source mode, ignore aliens
+                print(
+                    f"\n{sisyphus.getclr.green}These are the source packages that would be merged, in order:{sisyphus.getclr.reset}\n")
+                print(
+                    f"\n{sisyphus.getclr.green}{', '.join(src_list)}{sisyphus.getclr.reset}\n")
+                print(
+                    f"\n{sisyphus.getclr.bright_white}Total: {len(src_list)} source package(s){sisyphus.getclr.reset}\n")
+                while True:
+                    user_input = input(
+                        f"{sisyphus.getclr.bright_white}Would you like to proceed?{sisyphus.getclr.reset} [{sisyphus.getclr.bright_green}Yes{sisyphus.getclr.reset}/{sisyphus.getclr.bright_red}No{sisyphus.getclr.reset}] ")
+                    if user_input.lower() in ['yes', 'y', '']:
+                        p_exe = subprocess.Popen(
+                            ['emerge'] + go_args + ['@world'])
+                        try:
+                            set_nonblocking(sys.stdout.fileno())
+                            spinner_animation()
+
+                            sel = selectors.DefaultSelector()
+                            sel.register(sys.stdin, selectors.EVENT_READ)
+
+                            while True:
+                                events = sel.select(timeout=0.1)
+                                for key, mask in events:
+                                    if key.fileobj == sys.stdin:
+                                        line = sys.stdin.readline().strip()
+                                        if line.lower() == 'q':
+                                            sys.exit()
+                                if p_exe.poll() is not None:
+                                    break
+                        except KeyboardInterrupt:
+                            p_exe.terminate()
+                            try:
+                                p_exe.wait(1)
+                            except subprocess.TimeoutExpired:
+                                p_exe.kill()
+                            sys.exit()
+                        finally:
+                            p_exe.wait()
+                        sisyphus.syncdb.lcl_tbl()
+                        break
+                    elif user_input.lower() in ['no', 'n']:
+                        break
+                    else:
+                        print(
+                            f"\nApologies, the response '{user_input}' was not recognized.\n")
+                        continue
+            elif len(bin_list) != 0 and len(src_list) != 0:  # hybrid mode, ignore aliens
+                print(
+                    f"\n{sisyphus.getclr.green}These are the binary packages that would be merged, in order:{sisyphus.getclr.reset}\n")
+                print(
+                    f"\n{sisyphus.getclr.magenta}{', '.join(bin_list)}{sisyphus.getclr.reset}\n")
+                print(
+                    f"\n{sisyphus.getclr.bright_white}Total: {len(bin_list)} binary package(s){sisyphus.getclr.reset}\n")
+
+                print(
+                    f"\n{sisyphus.getclr.green}These are the source packages that would be merged, in order:{sisyphus.getclr.reset}\n")
+                print(
+                    f"\n{sisyphus.getclr.green}{', '.join(src_list)}{sisyphus.getclr.reset}\n")
+                print(
+                    f"\n{sisyphus.getclr.bright_white}Total: {len(src_list)} source package(s){sisyphus.getclr.reset}\n")
+                while True:
+                    user_input = input(
+                        f"{sisyphus.getclr.bright_white}Would you like to proceed?{sisyphus.getclr.reset} [{sisyphus.getclr.bright_green}Yes{sisyphus.getclr.reset}/{sisyphus.getclr.bright_red}No{sisyphus.getclr.reset}] ")
+                    if user_input.lower() in ['yes', 'y', '']:
+                        sisyphus.dlbinpkg.start(dl_world=True, gfx_ui=False)
+                        os.chdir(sisyphus.getfs.p_cch_dir)
+                        p_exe = subprocess.Popen(
+                            ['emerge'] + go_args + ['--usepkg', '--rebuilt-binaries', '@world'])
+                        try:
+                            set_nonblocking(sys.stdout.fileno())
+                            spinner_animation()
+
+                            sel = selectors.DefaultSelector()
+                            sel.register(sys.stdin, selectors.EVENT_READ)
+
+                            while True:
+                                events = sel.select(timeout=0.1)
+                                for key, mask in events:
+                                    if key.fileobj == sys.stdin:
+                                        line = sys.stdin.readline().strip()
+                                        if line.lower() == 'q':
+                                            sys.exit()
+                                if p_exe.poll() is not None:
+                                    break
+                        except KeyboardInterrupt:
+                            p_exe.terminate()
+                            try:
+                                p_exe.wait(1)
+                            except subprocess.TimeoutExpired:
+                                p_exe.kill()
+                            sys.exit()
+                        finally:
+                            p_exe.wait()
+                        sisyphus.syncdb.lcl_tbl()
+                        break
+                    elif user_input.lower() in ['no', 'n']:
+                        break
+                    else:
+                        print(
+                            f"\nApologies, the response '{user_input}' was not recognized.\n")
+                        continue
+            elif len(bin_list) != 0 and len(src_list) == 0:  # binary mode, fallback
+                print(
+                    f"\n{sisyphus.getclr.green}These are the binary packages that would be merged, in order:{sisyphus.getclr.reset}\n")
+                print(
+                    f"\n{sisyphus.getclr.magenta}{', '.join(bin_list)}{sisyphus.getclr.reset}\n")
+                print(
+                    f"\n{sisyphus.getclr.bright_white}Total: {len(bin_list)} binary package(s){sisyphus.getclr.reset}\n")
+                while True:
+                    user_input = input(
+                        f"{sisyphus.getclr.bright_white}Would you like to proceed?{sisyphus.getclr.reset} [{sisyphus.getclr.bright_green}Yes{sisyphus.getclr.reset}/{sisyphus.getclr.bright_red}No{sisyphus.getclr.reset}] ")
+                    if user_input.lower() in ['yes', 'y', '']:
+                        sisyphus.dlbinpkg.start(dl_world=True, gfx_ui=False)
+                        os.chdir(sisyphus.getfs.p_cch_dir)
+                        p_exe = subprocess.Popen(
+                            ['emerge'] + go_args + ['--usepkg', '--usepkgonly', '--rebuilt-binaries', '@world'])
+                        try:
+                            set_nonblocking(sys.stdout.fileno())
+                            spinner_animation()
+
+                            sel = selectors.DefaultSelector()
+                            sel.register(sys.stdin, selectors.EVENT_READ)
+
+                            while True:
+                                events = sel.select(timeout=0.1)
+                                for key, mask in events:
+                                    if key.fileobj == sys.stdin:
+                                        line = sys.stdin.readline().strip()
+                                        if line.lower() == 'q':
+                                            sys.exit()
+                                if p_exe.poll() is not None:
+                                    break
+                        except KeyboardInterrupt:
+                            p_exe.terminate()
+                            try:
+                                p_exe.wait(1)
+                            except subprocess.TimeoutExpired:
+                                p_exe.kill()
+                            sys.exit()
+                        finally:
+                            p_exe.wait()
+                        sisyphus.syncdb.lcl_tbl()
+                        break
+                    elif user_input.lower() in ['no', 'n']:
+                        break
+                    else:
+                        print(
+                            f"\nApologies, the response '{user_input}' was not recognized.\n")
+                        continue
+        else:  # non-ebuild mode
+            if len(bin_list) == 0 and len(src_list) != 0:  # source mode (noop), catch aliens
+                if gfx_ui:
+                    print("\nSource package(s) found in the mix!\n")
+                    print(
+                        f"Use the Sisyphus CLI command: 'sisyphus upgrade --ebuild' to perform the upgrade; Aborting.")
+
+                    for i in range(9, 0, -1):
+                        print(f"Killing application in : {i} seconds!")
+                        time.sleep(1)
+
+                    sys.exit(app.exec_())  # kill GUI window
+                else:
+                    print(
+                        f"{sisyphus.getclr.bright_red}\nSource package(s) found in the mix!{sisyphus.getclr.reset}")
+                    print(
+                        f"{sisyphus.getclr.bright_yellow}Use{sisyphus.getclr.reset} 'sisyphus upgrade --ebuild' to perform the upgrade; Aborting.")
+                    sys.exit()
+            elif len(bin_list) != 0 and len(src_list) != 0:  # hybrid mode (noop), catch aliens
+                if gfx_ui:
+                    print("\nSource package(s) found in the mix!\n")
+                    print(
+                        f"Use the Sisyphus CLI command: 'sisyphus upgrade --ebuild' to perform the upgrade; Aborting.")
+
+                    for i in range(9, 0, -1):
+                        print(f"Killing application in : {i} seconds!")
+                        time.sleep(1)
+
+                    sys.exit(app.exec_())  # kill GUI window
+                else:
+                    print(
+                        f"{sisyphus.getclr.bright_red}\nSource package(s) found in the mix!{sisyphus.getclr.reset}")
+                    print(
+                        f"{sisyphus.getclr.bright_yellow}Use{sisyphus.getclr.reset} 'sisyphus upgrade --ebuild' to perform the upgrade; Aborting.")
+                    sys.exit()
+            elif len(bin_list) != 0 and len(src_list) == 0:  # binary mode
+                if gfx_ui:
+                    print(
+                        f"\nThese are the binary packages that will be merged, in order:\n")
+                    print(", ".join(bin_list) +
+                          f"\n\nTotal: {len(bin_list)} binary package(s)\n")
+                    sisyphus.dlbinpkg.start(dl_world=True, gfx_ui=True)
+                    os.chdir(sisyphus.getfs.p_cch_dir)
+                    p_exe = subprocess.Popen(['emerge'] + go_args + ['--usepkg', '--usepkgonly',
+                                             '--rebuilt-binaries', '@world'], 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()
+                    sisyphus.syncdb.lcl_tbl()
+                else:
+                    print(
+                        f"\n{sisyphus.getclr.green}These are the binary packages that would be merged, in order:{sisyphus.getclr.reset}\n")
+                    print(
+                        f"\n{sisyphus.getclr.magenta}{', '.join(bin_list)}{sisyphus.getclr.reset}\n")
+                    print(
+                        f"\n{sisyphus.getclr.bright_white}Total: {len(bin_list)} binary package(s){sisyphus.getclr.reset}\n")
+                    while True:
+                        user_input = input(
+                            f"{sisyphus.getclr.bright_white}Would you like to proceed?{sisyphus.getclr.reset} [{sisyphus.getclr.bright_green}Yes{sisyphus.getclr.reset}/{sisyphus.getclr.bright_red}No{sisyphus.getclr.reset}] ")
+                        if user_input.lower() in ['yes', 'y', '']:
+                            sisyphus.dlbinpkg.start(
+                                dl_world=True, gfx_ui=False)
+                            os.chdir(sisyphus.getfs.p_cch_dir)
+                            p_exe = subprocess.Popen(
+                                ['emerge'] + go_args + ['--usepkg', '--usepkgonly', '--rebuilt-binaries', '@world'])
+                            try:
+                                set_nonblocking(sys.stdout.fileno())
+                                spinner_animation()
+
+                                sel = selectors.DefaultSelector()
+                                sel.register(sys.stdin, selectors.EVENT_READ)
+
+                                while True:
+                                    events = sel.select(timeout=0.1)
+                                    for key, mask in events:
+                                        if key.fileobj == sys.stdin:
+                                            line = sys.stdin.readline().strip()
+                                            if line.lower() == 'q':
+                                                sys.exit()
+                                    if p_exe.poll() is not None:
+                                        break
+                            except KeyboardInterrupt:
+                                p_exe.terminate()
+                                try:
+                                    p_exe.wait(1)
+                                except subprocess.TimeoutExpired:
+                                    p_exe.kill()
+                                sys.exit()
+                            finally:
+                                p_exe.wait()
+                            sisyphus.syncdb.lcl_tbl()
+                            break
+                        elif user_input.lower() in ['no', 'n']:
+                            break
+                        else:
+                            print(
+                                f"\nApologies, the response '{user_input}' was not recognized.\n")
+                            continue