Added flag --dependees

ChangeLog.txt

@@ -2,6 +2,7 @@
 Added:
 - Feature to check the ChangeLog.txt file before update #153
 - Dependees in the view command
+- Flag --dependees
 
 BugFixed:
 - View installed version

README.rst

@@ -67,6 +67,7 @@ Usage
         --resolve-off                 Turns off dependency resolving.
         --reinstall                   Upgrade packages of the same version.
         --skip-installed              Skip installed packages.
+        --dependees                   Show which packages depend.
 
         -h, --help                    Show this message and exit.
         -v, --version                 Print version and exit.

man/slpkg.1

@@ -1,10 +1,10 @@
-.TH slpkg 1 "Orestiada, Greece" "slpkg 4.3.1" dslackw
+.TH slpkg 1 "Orestiada, Greece" "slpkg 4.3.9" dslackw
 .SH NAME
 .P
 slpkg - [OPTIONS] [COMMAND] <packages>
 .SH SYNAPSES
 .P
-slpkg [-h|-v] [update] [upgrade] [check-updates] [clean-logs] [clean-tmp] [-b, build] [-i, install] [-d, download] [-r, remove] [-f, find] [-w, view] [-s, search] --yes --jobs --resolve-off --reinstall --skip-installed
+slpkg [-h|-v] [update] [upgrade] [check-updates] [clean-logs] [clean-tmp] [-b, build] [-i, install] [-d, download] [-r, remove] [-f, find] [-w, view] [-s, search] --yes --jobs --resolve-off --reinstall --skip-installed, --dependees
 .SH DESCRIPTION
 .P
 Slpkg is a software package manager that installs, updates, and removes packages on Slackware based systems. It automatically computes dependencies and figures out what things should occur to install packages. Slpkg makes it easier to maintain groups of machines without having to manually update.
@@ -98,10 +98,16 @@ Use this option if you want to upgrade all packages even if the same version is
 This a helpful option if you want to avoid building and reinstalling packages.
 Note: This option affects only the dependencies.
 .RE
+.RE
+.P
+--dependees
+.RS
+This flag works only with the -w, view command to show which packages depend.
+.RE
 .P
 -h | --help
 .RS
-Show help informatio and exit.
+Show help information and exit.
 .RE
 .P
 -v | --version

slpkg/main.py

@@ -39,7 +39,13 @@ class Argparse:
                         '--jobs',
                         '--resolve-off',
                         '--reinstall',
-                        '--skip-installed']
+                        '--skip-installed',
+                        '--dependees']
+
+        for opt in self.args:
+            if opt.startswith('--'):
+                if opt not in self.options:
+                    raise SystemExit(f"\nError: flag '{opt}' does not exist.\n")
 
         for option in self.options:
             if option in self.args:
@@ -127,7 +133,6 @@ class Argparse:
             self.check.exists(packages)
             download = Download(self.flags)
             download.packages(packages)
-
             raise SystemExit()
         self.usage.help(1)
 
@@ -147,13 +152,13 @@ class Argparse:
         self.usage.help(1)
 
     def view(self):
-        if len(self.args) >= 2 and not self.flags:
+        if len(self.args) >= 2:
             packages = list(set(self.args[1:]))
 
             self.check.database()
             self.check.exists(packages)
 
-            view = ViewPackage()
+            view = ViewPackage(self.flags)
             view.package(packages)
             raise SystemExit()
         self.usage.help(1)

slpkg/views/cli_menu.py

@@ -21,7 +21,7 @@ class Usage:
         """ Prints the short menu. """
         args = (
             f'Usage: {Configs.prog_name} [{self.yellow}OPTIONS{self.endc}] [{self.cyan}COMMAND{self.endc}] <packages>\n'
-            f'\n  slpkg [{self.yellow}OPTIONS{self.endc}] [--yes, --jobs, --resolve-off, --reinstall, --skip-installed]\n'
+            f'\n  slpkg [{self.yellow}OPTIONS{self.endc}] [--yes, --jobs, --resolve-off, --reinstall, --skip-installed, --dependees]\n'
             f'  slpkg [{self.cyan}COMMAND{self.endc}] [update, upgrade, check-updates, clean-logs, clean-tmp]\n'
             f'  slpkg [{self.cyan}COMMAND{self.endc}] [-b, build, -i, install, -d, download] <packages>\n'
             f'  slpkg [{self.cyan}COMMAND{self.endc}] [-r, remove, -f, find, -w, view, -s, search] <packages>\n'
@@ -54,7 +54,8 @@ class Usage:
             f'  {self.yellow}--jobs{self.endc}                        Set it for multicore systems.',
             f'  {self.yellow}--resolve-off{self.endc}                 Turns off dependency resolving.',
             f'  {self.yellow}--reinstall{self.endc}                   Upgrade packages of the same version.',
-            f'  {self.yellow}--skip-installed{self.endc}              Skip installed packages.\n',
+            f'  {self.yellow}--skip-installed{self.endc}              Skip installed packages.',
+            f'  {self.yellow}--dependees{self.endc}                   Show which packages depend.\n',
             '  -h, --help                    Show this message and exit.',
             '  -v, --version                 Print version and exit.\n',
             'Edit the configuration file in the /etc/slpkg/slpkg.toml.',

slpkg/views/view_package.py

@@ -14,7 +14,8 @@ from slpkg.models.models import session as Session
 class ViewPackage:
     """ View the repository packages. """
 
-    def __init__(self):
+    def __init__(self, flags):
+        self.flags = flags
         self.session = Session
         self.configs = Configs
         self.colors = self.configs.colour
@@ -29,8 +30,10 @@ class ViewPackage:
         red = color['red']
         endc = color['endc']
 
-        print(end='\rCollecting the data... ')
         for package in packages:
+
+            dependees = " ".join(list(self.dependees(package)))
+
             info = self.session.query(
                 SBoTable.name,
                 SBoTable.version,
@@ -59,10 +62,10 @@ class ViewPackage:
 
             deps = (', '.join([f'{pkg} ({SBoQueries(pkg).version()})' for pkg in info[2].split()]))
 
-            print(f'\n\nName: {green}{info[0]}{endc}\n'
+            print(f'Name: {green}{info[0]}{endc}\n'
                   f'Version: {green}{info[1]}{endc}\n'
                   f'Requires: {green}{deps}{endc}\n'
-                  f'Dependees: {green}{" ".join(list(self.dependees(package)))}{endc}\n'
+                  f'Dependees: {green}{dependees}{endc}\n'
                   f'Homepage: {blue}{homepage}{endc}\n'
                   f'Download SlackBuild: {blue}{self.configs.sbo_repo_url}/{info[9]}/{info[0]}'
                   f'{self.configs.sbo_tar_suffix}{endc}\n'
@@ -79,14 +82,20 @@ class ViewPackage:
                   f'Email: {yellow}{email}{endc}\n'
                   f'\nREADME: {cyan}{readme.data.decode()}{endc}')
 
-    @staticmethod
-    def dependees(name):
+    def dependees(self, name):
         """ Collecting the dependees. """
-        sbos = SBoQueries(name).names()
-        for sbo in sbos:
-            requires = SBoQueries(sbo).requires()
-            if name in requires:
-                yield sbo
+        if '--dependees' in self.flags:
+            print(end='\rCollecting the data... ')
+            sbos = SBoQueries(name).names()
+            for sbo in sbos:
+                requires = SBoQueries(sbo).requires()
+                if name in requires:
+                    version = SBoQueries(sbo).version()
+                    yield f'{sbo} ({version})'
+        else:
+            return ''
+
+        print('\n')
 
     @staticmethod
     def http_request(link):