Added additional option

README.rst

@@ -683,7 +683,7 @@ and also displays installed packages:
 .. code-block:: bash
 
     $ slpkg -t sbo brasero
-    Reading package lists... Done
+    Resolving dependencies... Done
 
     +=========================
     | brasero dependencies   :
@@ -701,6 +701,28 @@ and also displays installed packages:
      |
      +--5 libunique
 
+    
+    Check if dependencies used:
+
+    $ slpkg -t sbo Flask --check-deps
+    Resolving dependencies... Done
+
+    +=============================
+    | Package Flask dependencies :
+    +=============================
+    \
+     +---[ Tree of dependencies ]
+     |
+     +--1: pysetuptools is dependency --> Flask, bpython, pip, pylint
+     |
+     +--2: MarkupSafe is dependency --> Flask
+     |
+     +--3: itsdangerous is dependency --> Flask
+     |
+     +--4: Jinja2 is dependency --> Flask
+     |
+     +--5: werkzeug is dependency --> Flask
+
 
 Check if your packages is up to date or changes in ChangeLog.txt:
 

man/slpkg.8

@@ -32,7 +32,7 @@ Usage: slpkg Commands:
              [-l [repository], --index, --installed]
              [-c [repository] --upgrade, --skip=[...] --resolve-off]
              [-s [repository] [package...], --resolve-off]
-             [-t [repository] [package]]
+             [-t [repository] [package], --check-deps]
              [-p [repository] [package], --color=[]]
              [-n [SBo package]] [-F [...]] [-f [...]]
              [-i [options] [...]] [-u [options] [...]]
@@ -163,11 +163,12 @@ dependencies of the package. Switch off automatic resolve dependencies with addi
 "--resolve-off".
 
 .SS -t, --tracking,  tracking dependencies
-\fBslpkg\fP \fB-t\fP <\fIrepository\fP> <\fIname of package\fP>
+\fBslpkg\fP \fB-t\fP <\fIrepository\fP> <\fIname of package\fP>, \fB--check-deps\fP
 .PP
 Tracking all dependencies of that package.
 The sequence shown is that you must follow to correctly install package.
-Also you can check if the installed package has all the required dependencies.
+Also you can check if the installed package has all the required dependencies and with
+additional option "--check-deps" if used by other packages.
 
 .SS -p, --desk, print packages description
 \fBslpkg\fP \fB-p\fP <\fIrepository\fP> <\fIname of package\fP>, \fB--color=[]\fP

slpkg/arguments.py

@@ -85,8 +85,8 @@ Optional arguments:
   -s, --sync, [repository] [package...],    Sync packages. Install packages
       --resolve-off                         directly from remote repositories
                                             with all dependencies.
-  -t, --tracking, [repository] [package]    Tracking package dependencies and
+  -t, --tracking, [repository] [package],   Tracking package dependencies and
-                                            print package dependenies tree with
+      --check-deps                          print package dependenies tree with
                                             highlight if packages is installed.
   -p, --desc, [repository] [package],       Print description of a package
       --color=[]                            directly from the repository and
@@ -140,7 +140,7 @@ def usage(repo):
              [-l [repository], --index, --installed]
              [-c [repository], --upgrade, --skip=[...] --resolve-off]
              [-s [repository] [package...], --resolve-off]
-             [-t [repository] [package]]
+             [-t [repository] [package], --check-deps]
              [-p [repository] [package], --color=[]]
              [-n [SBo package]] [-F [...]] [-f [...]]
              [-i [options] [...]] [-u [options] [...]]

slpkg/main.py

@@ -291,9 +291,14 @@ class ArgParse(object):
         """Tracking package dependencies
         """
         options = ["-t", "--tracking"]
+        flag = ["--check-deps"]
         if (len(self.args) == 3 and self.args[0] in options and
                 self.args[1] in self.meta.repositories):
-            track_dep(self.args[2], self.args[1])
+            track_dep(self.args[2], self.args[1], flag="")
+        elif (len(self.args) == 4 and self.args[0] in options and
+                self.args[1] in self.meta.repositories and
+                self.args[3] == flag[0]):
+            track_dep(self.args[2], self.args[1], flag[0])
         elif (len(self.args) > 1 and self.args[0] in options and
                 self.args[1] not in self.meta.repositories):
             usage(self.args[1])

slpkg/tracking.py

@@ -36,7 +36,7 @@ from binary.search import search_pkg
 from binary.dependency import Dependencies
 
 
-def track_dep(name, repo):
+def track_dep(name, repo, flag):
     """
     View tree of dependencies and also
     highlight packages with color green
@@ -75,25 +75,42 @@ def track_dep(name, repo):
             _meta_.color["YELLOW"], _meta_.color["ENDC"]))
         index = 0
         for pkg in dependencies:
+            used = ""
+            if flag == "--check-deps":
+                used = "{0} {1}{2}{3}".format(
+                    "is dependency -->", _meta_.color["CYAN"],
+                    ", ".join(check_used(pkg)), _meta_.color["ENDC"])
             index += 1
             installed = ""
             if find_package(pkg + _meta_.sp, _meta_.pkg_path):
                 if _meta_.use_colors in ["off", "OFF"]:
                     installed = "*"
                 print(" |")
-                print(" {0}{1}: {2}{3}{4} {5}".format("+--", index,
+                print(" {0}{1}: {2}{3}{4} {5}{6}".format(
-                                                      _meta_.color["GREEN"],
+                    "+--", index, _meta_.color["GREEN"], pkg,
-                                                      pkg, _meta_.color["ENDC"],
+                    _meta_.color["ENDC"], installed, used))
-                                                      installed))
             else:
                 print(" |")
-                print(" {0}{1}: {2}{3}{4} {5}".format("+--", index,
+                print(" {0}{1}: {2}{3}{4} {5}{6}".format(
-                                                      _meta_.color["RED"], pkg,
+                    "+--", index, _meta_.color["RED"], pkg,
-                                                      _meta_.color["ENDC"],
+                    _meta_.color["ENDC"], installed, used))
-                                                      installed))
         if _meta_.use_colors in ["off", "OFF"]:
             print("\n *: Installed\n")
         else:
             print("")    # new line at end
     else:
         print("\nNo package was found to match\n")
+
+
+def check_used(pkg):
+    """Check if dependencies used
+    """
+    used = []
+    dep_path = _meta_.log_path + "dep/"
+    logs = find_package("", dep_path)
+    for log in logs:
+        deps = Utils().read_file(dep_path + log)
+        for dep in deps.splitlines():
+            if pkg == dep:
+                used.append(log)
+    return used