modified install and uninstall command

pythonbrew/commands/install.py

@@ -3,6 +3,8 @@ from pythonbrew.log import logger
 from pythonbrew.installer.pythoninstaller import PythonInstaller,\
     PythonInstallerMacOSX
 from pythonbrew.util import is_macosx_snowleopard
+from pythonbrew.exceptions import UnknownVersionException,\
+    AlreadyInstalledException, NotSupportedVersionException
 
 class InstallCommand(Command):
     name = "install"
@@ -48,12 +50,20 @@ class InstallCommand(Command):
     
     def run_command(self, options, args):
         if args:
-            # Install Python
-            if is_macosx_snowleopard():
-                p = PythonInstallerMacOSX(args[0], options)
-            else:
-                p = PythonInstaller(args[0], options)
-            p.install()
+            # Install pythons
+            for arg in args:
+                try:
+                    if is_macosx_snowleopard():
+                        p = PythonInstallerMacOSX(arg, options)
+                    else:
+                        p = PythonInstaller(arg, options)
+                    p.install()
+                except UnknownVersionException:
+                    continue
+                except AlreadyInstalledException:
+                    continue
+                except NotSupportedVersionException:
+                    continue
         else:
             logger.info("Unknown python version.")
     

pythonbrew/commands/uninstall.py

@@ -1,5 +1,4 @@
 import os
-import sys
 from pythonbrew.basecommand import Command
 from pythonbrew.define import PATH_PYTHONS
 from pythonbrew.util import off, rm_r, Package, get_current_python_path
@@ -12,15 +11,17 @@ class UninstallCommand(Command):
     
     def run_command(self, options, args):
         if args:
-            pkg = Package(args[0])
-            pkgname = pkg.name
-            pkgpath = os.path.join(PATH_PYTHONS, pkgname)
-            if not os.path.isdir(pkgpath):
-                logger.info("`%s` is not installed." % pkgname)
-                sys.exit(1)
-            if get_current_python_path() == os.path.join(pkgpath,'bin','python'):
-                off()
-            rm_r(pkgpath)
+            # Uninstall pythons
+            for arg in args:
+                pkg = Package(arg)
+                pkgname = pkg.name
+                pkgpath = os.path.join(PATH_PYTHONS, pkgname)
+                if not os.path.isdir(pkgpath):
+                    logger.info("`%s` is not installed." % pkgname)
+                    continue
+                if get_current_python_path() == os.path.join(pkgpath,'bin','python'):
+                    off()
+                rm_r(pkgpath)
         else:
             self.parser.print_help()
 

pythonbrew/exceptions.py

@@ -4,4 +4,11 @@ class BuildingException(Exception):
 
 class ShellCommandException(Exception):
     """General exception during shell command"""
+
+class UnknownVersionException(Exception):
+    """General exception during installing"""
+class AlreadyInstalledException(Exception):
+    """General exception during installing"""
+class NotSupportedVersionException(Exception):
+    """General exception during installing"""
     

pythonbrew/installer/pythoninstaller.py

@@ -14,6 +14,8 @@ from pythonbrew.define import PATH_BUILD, PATH_DISTS, PATH_PYTHONS,\
 from pythonbrew.downloader import get_python_version_url, Downloader,\
     get_headerinfo_from_url
 from pythonbrew.log import logger
+from pythonbrew.exceptions import UnknownVersionException,\
+    AlreadyInstalledException, NotSupportedVersionException
 
 class PythonInstaller(object):
     """Python installer
@@ -38,7 +40,7 @@ class PythonInstaller(object):
             self.download_url = get_python_version_url(pkg.version)
             if not self.download_url:
                 logger.info("Unknown python version: `%s`" % pkg.name)
-                sys.exit(1)
+                raise UnknownVersionException
             filename = Link(self.download_url).filename
         self.pkg = pkg
         self.install_dir = os.path.join(PATH_PYTHONS, pkg.name)
@@ -57,7 +59,7 @@ class PythonInstaller(object):
     def install(self):
         if os.path.isdir(self.install_dir):
             logger.info("You are already installed `%s`" % self.pkg.name)
-            sys.exit()
+            raise AlreadyInstalledException
         self.download_unpack()
         logger.info("")
         logger.info("This could take a while. You can run the following command on another shell to track the status:")
@@ -78,7 +80,6 @@ class PythonInstaller(object):
         self.install_setuptools()
         logger.info("Installed %(pkgname)s successfully. Run the following command to switch to %(pkgname)s."
                     % {"pkgname":self.pkg.name})
-        logger.info("")
         logger.info("  pythonbrew switch %s" % self.pkg.alias)
         
     def download_unpack(self):
@@ -185,7 +186,7 @@ class PythonInstallerMacOSX(PythonInstaller):
         # check for version
         if version < '2.6' and (version != '2.4.6' and version != '2.5.5'):
             logger.info("`%s` is not supported on MacOSX Snow Leopard" % self.pkg.name)
-            sys.exit()
+            raise NotSupportedVersionException
         # set configure options
         if is_python24(version):
             self.configure_options = '--with-universal-archs="intel" MACOSX_DEPLOYMENT_TARGET=10.6 CPPFLAGS="-D__DARWIN_UNIX03"'