Added system deps for CfT into installer code

Framework/Built_In_Automation/Web/Selenium/linux_system.py

@@ -0,0 +1,241 @@
+import os
+import re
+import shutil
+import subprocess
+from pathlib import Path
+
+
+class LinuxSystemHelper:
+    def __init__(self, unavailable_cache_file=None):
+        self.os_release = self._load_os_release()
+        self.unavailable_cache_file = (
+            Path(unavailable_cache_file) if unavailable_cache_file else None
+        )
+
+    def _load_os_release(self):
+        data = {}
+        try:
+            with open("/etc/os-release", "r") as f:
+                for line in f:
+                    line = line.strip()
+                    if not line or "=" not in line:
+                        continue
+                    key, value = line.split("=", 1)
+                    data[key] = value.strip().strip('"').strip("'")
+        except Exception:
+            return {}
+        return data
+
+    def is_ubuntu_version_at_least(self, major, minor=0):
+        distro_id = self.os_release.get("ID", "").lower()
+        version_id = self.os_release.get("VERSION_ID", "")
+
+        version_parts = version_id.split(".")
+        current_major = (
+            int(version_parts[0])
+            if len(version_parts) > 0 and version_parts[0].isdigit()
+            else 0
+        )
+        current_minor = (
+            int(version_parts[1])
+            if len(version_parts) > 1 and version_parts[1].isdigit()
+            else 0
+        )
+
+        return distro_id == "ubuntu" and (current_major, current_minor) >= (
+            major,
+            minor,
+        )
+
+    def is_gui_environment(self):
+        return bool(os.environ.get("DISPLAY") or os.environ.get("WAYLAND_DISPLAY"))
+
+    def is_gnome_session(self):
+        desktop = os.environ.get("XDG_CURRENT_DESKTOP", "").lower()
+        session = os.environ.get("DESKTOP_SESSION", "").lower()
+        return "gnome" in desktop or "gnome" in session
+
+    def supports_sudo_askpass(self):
+        if not shutil.which("sudo"):
+            return False
+
+        try:
+            result = subprocess.run(
+                ["sudo", "-h"],
+                capture_output=True,
+                text=True,
+                check=False,
+            )
+            help_output = f"{result.stdout}\n{result.stderr}".lower()
+            return "askpass" in help_output and "-a" in help_output
+        except Exception:
+            return False
+
+    def get_privilege_escalation_command(self):
+        if (
+            self.is_gui_environment()
+            and self.is_gnome_session()
+            and shutil.which("pkexec")
+        ):
+            return ["pkexec"], "pkexec"
+
+        askpass = os.environ.get("SUDO_ASKPASS", "")
+        if (
+            self.is_gui_environment()
+            and self.supports_sudo_askpass()
+            and askpass
+            and Path(askpass).exists()
+            and shutil.which("sudo")
+        ):
+            return ["sudo", "-A"], "sudo -A"
+
+        return ["sudo"], "sudo"
+
+    def _is_package_available(self, package):
+        try:
+            result = subprocess.run(
+                ["apt-cache", "policy", package],
+                capture_output=True,
+                text=True,
+                check=False,
+            )
+            if result.returncode != 0:
+                return False
+
+            output = f"{result.stdout}\n{result.stderr}".lower()
+            if "candidate:" not in output:
+                return False
+
+            for line in output.splitlines():
+                if line.strip().startswith("candidate:"):
+                    candidate = line.split(":", 1)[1].strip()
+                    return candidate != "(none)"
+
+            return False
+        except Exception:
+            return False
+
+    def _pick_available_package(self, package_options):
+        for package_name in package_options:
+            if self._is_package_available(package_name):
+                return package_name
+        return None
+
+    def get_chrome_dependency_packages(self):
+        dependencies = [
+            ["libnss3"],
+            ["libxss1"],
+            ["libappindicator3-1"],
+            ["fonts-liberation"],
+            ["libasound2t64", "libasound2"],
+            ["libnspr4"],
+            ["libx11-xcb1"],
+            ["libxcomposite1"],
+            ["libxcursor1"],
+            ["libxdamage1"],
+            ["libxi6"],
+            ["libxtst6"],
+            ["libglib2.0-0t64", "libglib2.0-0"],
+            ["libgtk-3-0t64", "libgtk-3-0"],
+            ["libgdk-pixbuf2.0-0", "libgdk-pixbuf-xlib-2.0-0"],
+            ["libxrandr2"],
+            ["libpangocairo-1.0-0"],
+            ["libatk1.0-0t64", "libatk1.0-0"],
+            ["libcairo-gobject2"],
+            ["xvfb"],
+            ["ca-certificates"],
+            ["libatk-bridge2.0-0t64", "libatk-bridge2.0-0"],
+            ["libdrm2"],
+            ["libxkbcommon0"],
+            ["lsb-release"],
+            ["wget"],
+            ["xdg-utils"],
+        ]
+
+        selected_packages = []
+        for package_group in dependencies:
+            selected = self._pick_available_package(package_group)
+            if selected:
+                selected_packages.append(selected)
+            else:
+                print(
+                    "Warning: Could not resolve package from options: "
+                    f"{', '.join(package_group)}"
+                )
+
+        return selected_packages
+
+    def _is_package_installed(self, package):
+        try:
+            result = subprocess.run(
+                ["dpkg-query", "-W", "-f=${Status}", package],
+                capture_output=True,
+                text=True,
+                check=False,
+            )
+            if result.returncode != 0:
+                return False
+            return "install ok installed" in result.stdout.lower()
+        except Exception:
+            return False
+
+    def get_missing_packages(self, packages):
+        return [
+            package for package in packages if not self._is_package_installed(package)
+        ]
+
+    def _load_unavailable_packages(self):
+        if not self.unavailable_cache_file or not self.unavailable_cache_file.exists():
+            return set()
+
+        try:
+            with open(self.unavailable_cache_file, "r") as f:
+                return {line.strip() for line in f if line.strip()}
+        except Exception:
+            return set()
+
+    def _save_unavailable_packages(self, packages):
+        if not self.unavailable_cache_file:
+            return
+
+        try:
+            self.unavailable_cache_file.parent.mkdir(parents=True, exist_ok=True)
+            with open(self.unavailable_cache_file, "w") as f:
+                for package in sorted(packages):
+                    f.write(f"{package}\n")
+        except Exception:
+            return
+
+    def add_unavailable_packages(self, packages):
+        package_set = {pkg for pkg in packages if pkg}
+        if not package_set:
+            return set()
+
+        existing = self._load_unavailable_packages()
+        updated = existing | package_set
+        newly_added = updated - existing
+        if newly_added:
+            self._save_unavailable_packages(updated)
+        return newly_added
+
+    def filter_cached_unavailable_packages(self, packages):
+        cached = self._load_unavailable_packages()
+        allowed = [package for package in packages if package not in cached]
+        skipped = [package for package in packages if package in cached]
+        return allowed, skipped
+
+    def get_cached_unavailable_packages(self):
+        return sorted(self._load_unavailable_packages())
+
+    def extract_unavailable_packages_from_apt_output(self, output):
+        patterns = [
+            r"E:\s+Package '([^']+)' has no installation candidate",
+            r"E:\s+Unable to locate package\s+(\S+)",
+            r"Package\s+(\S+)\s+is not available, but is referred to by another package",
+        ]
+
+        unavailable = set()
+        for pattern in patterns:
+            unavailable.update(re.findall(pattern, output))
+
+        return sorted(unavailable)