Use argparse in sage_bootstrap

build/bin/sage-download-file

@@ -24,5 +24,5 @@ except ImportError:
     sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
     import sage_bootstrap
 
-from sage_bootstrap.cmdline import SageDownloadFileApplication
-SageDownloadFileApplication().run()
+from sage_bootstrap.download.cmdline import run_safe
+run_safe()

build/bin/sage-package

@@ -38,5 +38,5 @@ except ImportError:
     sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
     import sage_bootstrap
 
-from sage_bootstrap.cmdline import SagePkgApplication
-SagePkgApplication().run()
+from sage_bootstrap.cmdline import run
+run()

build/sage_bootstrap/app.py

@@ -0,0 +1,115 @@
+# -*- coding: utf-8 -*-
+"""
+Controller for the commandline actions
+"""
+
+
+#*****************************************************************************
+#       Copyright (C) 2016 Volker Braun <vbraun.name@gmail.com>
+#
+# This program 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 2 of the License, or
+# (at your option) any later version.
+#                  http://www.gnu.org/licenses/
+#*****************************************************************************
+
+import os
+import sys
+import logging
+log = logging.getLogger()
+
+from sage_bootstrap.env import SAGE_DISTFILES
+from sage_bootstrap.package import Package
+from sage_bootstrap.tarball import Tarball
+
+
+class Application(object):
+
+    def config(self):
+        """
+        Print the configuration
+
+        $ sage --package config
+        Configuration:
+          * log = info
+          * interactive = True
+        """
+        log.debug('Printing configuration')
+        from sage_bootstrap.config import Configuration
+        print(Configuration())
+
+    def list(self):
+        """
+        Print a list of all available packages
+
+        $ sage --package list | sort
+        4ti2
+        arb
+        atlas
+        autotools
+        [...]
+        zn_poly
+        """
+        log.debug('Listing packages')
+        for pkg in Package.all():
+            print(pkg.name)
+
+    def name(self, tarball_filename):
+        """
+        Find the package name given a tarball filename
+    
+        $ sage --package name pari-2.8-1564-gdeac36e.tar.gz
+        pari
+        """
+        log.debug('Looking up package name for %s', tarball_filename)
+        tarball = Tarball(os.path.basename(tarball_filename))
+        print(tarball.package.name)
+
+    def tarball(self, package_name):
+        """
+        Find the tarball filename given a package name
+    
+        $ sage --package tarball pari
+        pari-2.8-1564-gdeac36e.tar.gz
+        """
+        log.debug('Looking up tarball name for %s', package_name)
+        package = Package(package_name)
+        print(package.tarball.filename)
+
+    def apropos(self, incorrect_name):
+        """
+        Find up to 5 package names that are close to the given name
+
+        $ sage --package apropos python
+        Did you mean: cython, ipython, python2, python3, patch?
+        """
+        log.debug('Apropos for %s', incorrect_name)
+        from sage_bootstrap.levenshtein import Levenshtein, DistanceExceeded
+        levenshtein = Levenshtein(5)
+        names = []
+        for pkg in Package.all():
+            try:
+                names.append([levenshtein(pkg.name, incorrect_name), pkg.name])
+            except DistanceExceeded:
+                pass
+        if names:
+            names = sorted(names)[:5]
+            print('Did you mean: {0}?'.format(', '.join(name[1] for name in names)))
+        else:
+            print('There is no package similar to {0}'.format(incorrect_name))
+            print('You can find further packages at http://files.sagemath.org/spkg/')
+
+    def update(self, package_name, new_version, url=None):
+        """
+        Update a package. This modifies the Sage sources. 
+    
+        $ sage --package update pari 2015 --url=http://localhost/pari/tarball.tgz
+        """
+        log.debug('Updating %s to %s', package_name, new_version)
+        from sage_bootstrap.updater import PackageUpdater
+        update = PackageUpdater(package_name, new_version)
+        if url is not None:
+            log.debug('Downloading %s', url)
+            update.download_upstream(url)
+        update.fix_checksum()