Added dependencies status

README.rst

@@ -131,6 +131,14 @@ run '$ slpkg update' to update package list.
 View list of repositories with command '$ slpkg repo-list' or get repository information with
 command '$ slpkg repo-info <repository>.
 
+Update slpkg itself simply run "$ slpkg update slpkg", and slpkg check from GitHub repository if
+new versions are available.
+
+Checking packages health with command "$ slpkg health" and slpkg check if files missing from 
+package file list.
+
+Print dependencies status used by packages with command "$ slpkg deps-status".
+
 If you have already downloaded the script and the source code you can build the package with 
 the command '$ slpkg <script.tar.gz> <sources>'.
 
@@ -350,6 +358,8 @@ Command Line Tool Usage
        update slpkg                             Upgrade the program directly from
                                                 repository.
        health, --silent                         Health check installed packages.
+       deps-status                              Print dependencies status used by
+                                                packages.
 
     Optional arguments:
       -h, --help                                Print this help message and exit.
@@ -724,6 +734,38 @@ and also displays installed packages:
      +--5: werkzeug is dependency --> Flask
 
 
+Print dependencies status used by packages:
+
+    $ slpkg deps-status
+
+    +==============================================================================
+    | Dependencies                    Packages
+    +==============================================================================
+      astroid                         pylint
+      logilab-common                  pylint
+      werkzeug                        Flask
+      cryptography                    bpython
+      ndg_httpsclient                 bpython
+      enum34                          bpython
+      pyOpenSSL                       bpython
+      curtsies                        bpython
+      six                             bpython, pylint
+      cffi                            bpython
+      python-requests                 bpython
+      pysetuptools                    Flask, bpython, pip, pylint
+      MarkupSafe                      Flask
+      Pygments                        bpython
+      Jinja2                          Flask
+      pycparser                       bpython
+      blessings                       bpython
+      greenlet                        bpython
+      pyasn1                          bpython
+
+    Summary
+    ===============================================================================
+    Found 19 dependencies in 4 packages.
+
+
 Check if your packages is up to date or changes in ChangeLog.txt:
 
 .. code-block:: bash

man/slpkg.8

@@ -20,7 +20,7 @@ Usage: slpkg Commands:
              [repo-add [repository name] [URL]]
              [repo-remove [repository]] [repo-list]
              [repo-info [repository]] [update [slpkg]] 
-             [health, --silent]
+             [health, --silent] [deps-status]
 
              Optional arguments:
              [-h] [-v]
@@ -89,7 +89,7 @@ Lists all enabled or disabled repositories.
 .PP
 View repository information.
 
-.SS update slpkg
+.SS update slpkg, update slpkg itself
 \fBslpkg\fP \fBupdate\fP \fBslpkg\fP
 .PP
 You can check for new versions and update slpkg itself.
@@ -100,6 +100,12 @@ You can check for new versions and update slpkg itself.
 Check file list from packages of files installed. The option "--silent" it allows 
 reference only errors.
 
+.SS deps-status, print dependencies status
+\fBslpkg\fP \fBdeps-status\fP
+.PP
+Print dependencies status used by packages. Prerequisite packages have been installed 
+with the option "slpkg -s <repository> <packages>".
+
 .SH OPTIONS
 .PP
 The following arguments are available.

slpkg/arguments.py

@@ -55,6 +55,8 @@ Commands:
    update slpkg                             Upgrade the program directly from
                                             repository.
    health, --silent                         Health check installed packages.
+   deps-status                              Print dependencies status used by
+                                            packages.
 
 Optional arguments:
   -h, --help                                Print this help message and exit.
@@ -128,7 +130,7 @@ def usage(repo):
              [repo-add [repository name] [URL]]
              [repo-remove [repository]] [repo-list]
              [repo-info [repository]] [update [slpkg]]
-             [health, --silent]
+             [health, --silent] [deps-status]
 
              Optional arguments:
              [-h] [-v]

slpkg/main.py

@@ -43,6 +43,8 @@ from health import PackageHealth
 from pkg_find import find_from_repos
 from arguments import options, usage
 from slpkg_update import it_self_update
+from status_deps import DependenciesStatus
+
 from init import (
     Update,
     Initialization,
@@ -75,7 +77,8 @@ class ArgParse(object):
             "repo-list",
             "repo-info",
             "update-slpkg",
-            "health"
+            "health",
+            "deps-status"
         ]
 
         # checking if repositories exists
@@ -181,6 +184,14 @@ class ArgParse(object):
         else:
             usage("")
 
+    def command_deps_status(self):
+        """Print dependencies status
+        """
+        if len(self.args) == 1 and self.args[0] == "deps-status":
+            DependenciesStatus().show()
+        else:
+            usage("")
+
     def auto_build(self):
         """Auto built tool
         """
@@ -555,6 +566,7 @@ def main():
         "repo-remove": argparse.command_repo_remove,
         "repo-info": argparse.command_repo_info,
         "health": argparse.command_health,
+        "deps-status": argparse.command_deps_status,
         "-a": argparse.auto_build,
         "--autobuild": argparse.auto_build,
         "-l": argparse.pkg_list,

slpkg/status_deps.py

@@ -0,0 +1,80 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# status_deps.py file is part of slpkg.
+
+# Copyright 2014-2015 Dimitris Zlatanidis <d.zlatanidis@gmail.com>
+# All rights reserved.
+
+# Slpkg is a user-friendly package manager for Slackware installations
+
+# https://github.com/dslackw/slpkg
+
+# Slpkg is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+from utils import Utils
+from messages import Msg
+from splitting import split_package
+from __metadata__ import MetaData as _meta_
+
+from pkg.find import find_package
+
+
+class DependenciesStatus(object):
+
+    def __init__(self):
+        self.meta = _meta_
+        self.dmap = {}
+        self.count_pkg = 0
+        self.count_dep = 0
+        self.dep_path = self.meta.log_path + "dep/"
+        self.logs = find_package("", self.dep_path)
+        self.installed = find_package("", self.meta.pkg_path)
+
+    def data(self):
+        """Check all installed packages and create
+        dictionary database
+        """
+        for pkg in self.installed:
+            name = split_package(pkg)[0]
+            for log in self.logs:
+                deps = Utils().read_file(self.dep_path + log)
+                for dep in deps.splitlines():
+                    if name == dep:
+                        if name not in self.dmap.keys():
+                            self.dmap[name] = [log]
+                            self.count_dep += 1
+                        else:
+                            self.dmap[name] += [log]
+                            self.count_pkg += 1
+
+    def show(self):
+        """Show dependencies status
+        """
+        self.data()
+        grey = self.meta.color["GREY"]
+        green = self.meta.color["GREEN"]
+        yellow = self.meta.color["YELLOW"]
+        endc = self.meta.color["ENDC"]
+        print("")
+        Msg().template(78)
+        print("| {0}{1}{2}".format("Dependencies", " " * 20, "Packages"))
+        Msg().template(78)
+        for key, value in self.dmap.iteritems():
+            print("  {0}{1}{2}{3}{4}{5}{6}".format(
+                yellow, key, endc, " " * (32-len(key)),
+                green, ", ".join(value), endc))
+        print("\nSummary")
+        print("=" * 79)
+        print("{0}Found {1} dependencies in {2} packages.{3}\n".format(
+            grey, self.count_dep, self.count_pkg, endc))