fix: AUR installation receiving GPG key

bauh/gems/arch/pacman.py

@@ -1,7 +1,9 @@
 import re
+import subprocess
 from typing import List, Set
 
-from bauh.commons.system import run_cmd, new_subprocess, new_root_subprocess, SystemProcess
+from bauh.api.abstract.handler import ProcessWatcher
+from bauh.commons.system import run_cmd, new_subprocess, new_root_subprocess, SystemProcess, ProcessHandler
 
 RE_DEPS = re.compile(r'[\w\-_]+:[\s\w_\-\.]+\s+\[\w+\]')
 
@@ -51,7 +53,8 @@ def get_info_dict(pkg_name: str) -> dict:
         info_dict = {}
         for info_data in info_list:
             attr = info_data[0].lower().strip()
-            info_dict[attr] = info_data[1] if '\n' not in info_data[1] else ' '.join([l.strip() for l in info_data[1].split('\n')])
+            info_dict[attr] = info_data[1] if '\n' not in info_data[1] else ' '.join(
+                [l.strip() for l in info_data[1].split('\n')])
 
             if info_dict[attr] == 'None':
                 info_dict[attr] = None
@@ -76,7 +79,8 @@ def list_and_map_installed() -> dict:  # returns a dict with with package names
     allinfo = new_subprocess(['pacman', '-Qi'], stdin=installed).stdout  # retrieving all installed packages info
 
     pkgs, current_pkg = {'mirrors': {}, 'not_signed': {}}, {}
-    for out in new_subprocess(['grep', '-E', '(Name|Description|Version|Validated By)'], stdin=allinfo).stdout:  # filtering only the Name and Validated By fields:
+    for out in new_subprocess(['grep', '-E', '(Name|Description|Version|Validated By)'],
+                              stdin=allinfo).stdout:  # filtering only the Name and Validated By fields:
         if out:
             line = out.decode()
 
@@ -90,7 +94,8 @@ def list_and_map_installed() -> dict:  # returns a dict with with package names
             elif line.startswith('Validated'):
 
                 if line.split(':')[1].strip().lower() == 'none':
-                    pkgs['not_signed'][current_pkg['name']] = {'version': current_pkg['version'], 'description': current_pkg['description']}
+                    pkgs['not_signed'][current_pkg['name']] = {'version': current_pkg['version'],
+                                                               'description': current_pkg['description']}
 
                 current_pkg = {}
 
@@ -98,7 +103,6 @@ def list_and_map_installed() -> dict:  # returns a dict with with package names
 
 
 def install_as_process(pkgpath: str, root_password: str, aur: bool, pkgdir: str = '.') -> SystemProcess:
-
     if aur:
         cmd = ['pacman', '-U', pkgpath, '--noconfirm']  # pkgpath = install file path
     else:
@@ -143,3 +147,23 @@ def list_bin_paths(pkgnames: Set[str]) -> List[str]:
                 bin_paths.append(line)
 
     return bin_paths
+
+
+def verify_pgp_key(key: str) -> bool:
+    list_key = new_subprocess(['pacman-key', '-l']).stdout
+
+    for out in new_subprocess(['grep', " " + key], stdin=list_key).stdout:
+        if out:
+            line = out.decode().strip()
+            if line and key in line:
+                return True
+
+    return False
+
+
+def receive_key(key: str, root_password: str) -> SystemProcess:
+    return SystemProcess(new_root_subprocess(['pacman-key', '-r', key], root_password=root_password), check_error_output=False)
+
+
+def sign_key(key: str, root_password: str) -> SystemProcess:
+    return SystemProcess(new_root_subprocess(['pacman-key', '--lsign-key', key], root_password=root_password), check_error_output=False)