Added new feature: Now control free space before installing package

inary/atomicoperations.py

@@ -136,6 +136,7 @@ class Install(AtomicOperation):
         self.metadata = self.package.metadata
         self.files = self.package.files
         self.pkginfo = self.metadata.package
+        self.installedSize = self.metadata.package.installedSize
         self.installdb = inary.db.installdb.InstallDB()
         self.operation = INSTALL
         self.store_old_paths = None
@@ -173,7 +174,11 @@ class Install(AtomicOperation):
 
     def check_requirements(self):
         """check system requirements"""
-        #TODO: IS THERE ENOUGH SPACE?
+        # Check free space
+        ctx.ui.debug(_("Free Space: {} MB").format(util.free_space() / (1024*1024.0)))
+        if util.free_space() < self.installedSize:
+            raise Error(_("Is there any free space in your disk."))
+
         # what to do if / is split into /usr, /var, etc.
         # check scom
         if self.metadata.package.providesScom and ctx.scom:

inary/data/metadata.py

@@ -118,6 +118,7 @@ class MetaData(xmlfile.XmlFile, metaclass=autoxml.autoxml):
         self.package.history = history
         self.package.conflicts = pkg.conflicts
         self.package.replaces = pkg.replaces
+        self.package.installedSize = pkg.installledsize
         self.package.additionalFiles = pkg.additionalFiles
 
         # FIXME: right way to do it?

inary/util.py

@@ -361,6 +361,16 @@ def copy_file_stat(src,dest):
     ensure_dirs(os.path.dirname(dest))
     shutil.copy2(src, dest)
 
+def free_space(directory=None):
+    """Returns the free space (x Byte) in the device. """
+    if not directory:
+        # Defaults to /
+        directory = ctx.config.values.general.destinationdirectory
+    _stat = os.statvfs(directory)
+    free_space = _stat.f_bfree * _stat.f_bsize
+
+    return free_space
+
 def read_link(link):
     """Return the normalized path which is pointed by the symbolic link."""
     # tarfile module normalizes the paths pointed by symbolic links. This