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* [PATCH] python-smartpm: improve error reporting
@ 2012-12-17 15:37 Bogdan Marinescu
  2012-12-18 18:42 ` Mark Hatle
  0 siblings, 1 reply; 2+ messages in thread
From: Bogdan Marinescu @ 2012-12-17 15:37 UTC (permalink / raw)
  To: openembedded-core

Add code to check proper command line arguments for various
smart commands. Exit with error if erroneous/additional arguments
are given in the command line.

Signed-off-by: Bogdan Marinescu <bogdan.a.marinescu@intel.com>
---
 .../smart-improve-error-reporting.patch            |  253 ++++++++++++++++++++
 .../python/python-smartpm_1.4.1.bb                 |    3 +-
 2 files changed, 255 insertions(+), 1 deletion(-)
 create mode 100644 meta/recipes-devtools/python/python-smartpm/smart-improve-error-reporting.patch

diff --git a/meta/recipes-devtools/python/python-smartpm/smart-improve-error-reporting.patch b/meta/recipes-devtools/python/python-smartpm/smart-improve-error-reporting.patch
new file mode 100644
index 0000000..fece5b9
--- /dev/null
+++ b/meta/recipes-devtools/python/python-smartpm/smart-improve-error-reporting.patch
@@ -0,0 +1,253 @@
+Improve error reporting in smart
+
+Add code to check proper command line arguments for various
+smart commands. Exit with error if erroneous/additional arguments
+are given in the command line.
+
+Upstream-Status: Pending
+
+Signed-off-by: Bogdan Marinescu <bogdan.a.marinescu@intel.com>
+
+diff --git a/smart/commands/channel.py b/smart/commands/channel.py
+index aa76f91..63fbb35 100644
+--- a/smart/commands/channel.py
++++ b/smart/commands/channel.py
+@@ -157,7 +157,17 @@ def main(ctrl, opts):
+                               opts.show is None and opts.yaml is None):
+         iface.warning(_("Can't edit channels information."))
+         raise Error, _("Configuration is in readonly mode.")
+-    
++
++    # Argument check
++    opts.check_args_of_option("set", -1)
++    opts.check_args_of_option("remove", -1)
++    opts.check_args_of_option("edit", 0)
++    opts.check_args_of_option("enable", -1)
++    opts.check_args_of_option("disable", -1)
++    opts.ensure_action("channel", ["add", "set", "remove", "remove-all",
++                       "list", "show", "yaml", "enable", "disable"])
++    opts.check_remaining_args()
++
+     if opts.add is not None:
+         if not opts.add and opts.args == ["-"]:
+             newchannels = []
+diff --git a/smart/commands/check.py b/smart/commands/check.py
+index b08608a..506e852 100644
+--- a/smart/commands/check.py
++++ b/smart/commands/check.py
+@@ -72,6 +72,9 @@ def parse_options(argv):
+ 
+ def main(ctrl, opts, reloadchannels=True):
+ 
++    # Argument check
++    opts.check_args_of_option("channels", 1)
++
+     if sysconf.get("auto-update"):
+         from smart.commands import update
+         updateopts = update.parse_options([])
+diff --git a/smart/commands/config.py b/smart/commands/config.py
+index dd50dee..4fe4366 100644
+--- a/smart/commands/config.py
++++ b/smart/commands/config.py
+@@ -80,6 +80,12 @@ def main(ctrl, opts):
+     globals["false"] = False
+     globals["no"] = False
+ 
++    # Check arguments
++    opts.check_args_of_option("set", -1)
++    opts.check_args_of_option("remove", -1)
++    opts.ensure_action("config", ["set", "show", "yaml", "remove"])
++    opts.check_remaining_args()
++
+     if opts.set:
+         for opt in opts.set:
+             m = SETRE.match(opt)
+diff --git a/smart/commands/download.py b/smart/commands/download.py
+index 6837993..b853c61 100644
+--- a/smart/commands/download.py
++++ b/smart/commands/download.py
+@@ -81,6 +81,14 @@ def parse_options(argv):
+ 
+ def main(ctrl, opts):
+ 
++    # Argument check
++    opts.check_args_of_option("target", 1)
++    opts.check_args_of_option("output", 1)
++    opts.check_args_of_option("from_urls", -1)
++    opts.check_args_of_option("from_metalink", -1)
++    if not opts.args and not opts.from_metalink and not opts.from_urls:
++        raise Error, _("no package(s) given")
++
+     packages = []
+     if opts.args:
+         if sysconf.get("auto-update"):
+diff --git a/smart/commands/info.py b/smart/commands/info.py
+index 12f74f0..59fbe98 100644
+--- a/smart/commands/info.py
++++ b/smart/commands/info.py
+@@ -58,6 +58,10 @@ def parse_options(argv):
+ 
+ def main(ctrl, opts, reloadchannels=True):
+ 
++    # Argument check
++    if not opts.args:
++      raise Error, _("No package(s) given")
++
+     if sysconf.get("auto-update"):
+         from smart.commands import update
+         updateopts = update.parse_options([])
+diff --git a/smart/commands/install.py b/smart/commands/install.py
+index 8a45954..590222c 100644
+--- a/smart/commands/install.py
++++ b/smart/commands/install.py
+@@ -76,6 +76,10 @@ def parse_options(argv):
+ 
+ def main(ctrl, opts):
+  
++    # Argument check
++    if not opts.args:
++        raise Error, _("no package(s) given")
++
+     if opts.explain:
+         sysconf.set("explain-changesets", True, soft=True)
+ 
+diff --git a/smart/commands/reinstall.py b/smart/commands/reinstall.py
+index e59d896..32da3e6 100644
+--- a/smart/commands/reinstall.py
++++ b/smart/commands/reinstall.py
+@@ -68,7 +68,11 @@ def parse_options(argv):
+     return opts
+ 
+ def main(ctrl, opts):
+-    
++
++    # Argument check
++    if not opts.args:
++        raise Error, _("no package(s) given")
++
+     if opts.explain:
+         sysconf.set("explain-changesets", True, soft=True)
+ 
+diff --git a/smart/commands/remove.py b/smart/commands/remove.py
+index b4823a6..acd3bbd 100644
+--- a/smart/commands/remove.py
++++ b/smart/commands/remove.py
+@@ -74,6 +74,10 @@ def parse_options(argv):
+ 
+ def main(ctrl, opts):
+ 
++    # Argument check
++    if not opts.args:
++        raise Error, _("no package(s) given")
++
+     if opts.explain:
+         sysconf.set("explain-changesets", True, soft=True)
+ 
+diff --git a/smart/commands/search.py b/smart/commands/search.py
+index 0d0b573..44806b8 100644
+--- a/smart/commands/search.py
++++ b/smart/commands/search.py
+@@ -44,6 +44,8 @@ def option_parser():
+ def parse_options(argv):
+     opts = query.parse_options(argv, usage=USAGE, \
+                                description=DESCRIPTION, examples=EXAMPLES)
++    if not argv:
++      raise Error, _("Search expression not specified")
+     opts.name = opts.args
+     opts.summary = opts.args
+     opts.description = opts.args
+diff --git a/smart/commands/upgrade.py b/smart/commands/upgrade.py
+index ec86290..7e290d8 100644
+--- a/smart/commands/upgrade.py
++++ b/smart/commands/upgrade.py
+@@ -91,6 +91,9 @@ def parse_options(argv):
+ 
+ def main(ctrl, opts):
+ 
++    # Argument check
++    opts.check_args_of_option("flag", 1)
++
+     if opts.explain:
+         sysconf.set("explain-changesets", True, soft=True)
+ 
+diff --git a/smart/util/optparse.py b/smart/util/optparse.py
+index 4a3d3a8..279b0bf 100644
+--- a/smart/util/optparse.py
++++ b/smart/util/optparse.py
+@@ -70,6 +70,8 @@ import sys, os
+ import types
+ import textwrap
+ from gettext import gettext as _
++from smart import Error
++import re
+ 
+ def _repr(self):
+     return "<%s at 0x%x: %s>" % (self.__class__.__name__, id(self), self)
+@@ -708,6 +710,12 @@ class Option:
+             self.action, self.dest, opt, value, values, parser)
+ 
+     def take_action(self, action, dest, opt, value, values, parser):
++        # Keep all the options in the command line in the '_given_opts' array
++        # This will be used later to validate the command line
++        given_opts = getattr(parser.values, "_given_opts", [])
++        user_opt = re.sub(r"^\-*", "", opt).replace("-", "_")
++        given_opts.append(user_opt)
++        setattr(parser.values, "_given_opts", given_opts)
+         if action == "store":
+             setattr(values, dest, value)
+         elif action == "store_const":
+@@ -819,6 +827,54 @@ class Values:
+             setattr(self, attr, value)
+         return getattr(self, attr)
+ 
++    # Check if the given option has the specified number of arguments
++    # Raise an error if the option has an invalid number of arguments
++    # A negative number for 'nargs' means "at least |nargs| arguments are needed"
++    def check_args_of_option(self, opt, nargs, err=None):
++        given_opts = getattr(self, "_given_opts", [])
++        if not opt in given_opts:
++            return
++        values = getattr(self, opt, [])
++        if type(values) != type([]):
++            return
++        if nargs < 0:
++            nargs = -nargs
++            if len(values) >= nargs:
++                return
++            if not err:
++                if nargs == 1:
++                    err = _("Option '%s' requires at least one argument") % opt
++                else:
++                    err = _("Option '%s' requires at least %d arguments") % (opt, nargs)
++            raise Error, err
++        elif nargs == 0:
++            if len( values ) == 0:
++                return
++            raise Error, err
++        else:
++            if len(values) == nargs:
++                return
++            if not err:
++                if nargs == 1:
++                    err = _("Option '%s' requires one argument") % opt
++                else:
++                    err = _("Option '%s' requires %d arguments") % (opt, nargs)
++            raise Error, err
++
++    # Check that at least one of the options in 'actlist' was given as an argument
++    # to the command 'cmdname'
++    def ensure_action(self, cmdname, actlist):
++        given_opts = getattr(self, "_given_opts", [])
++        for action in actlist:
++            if action in given_opts:
++                return
++        raise Error, _("No action specified for command '%s'") % cmdname
++
++    # Check if there are any other arguments left after parsing the command line and
++    # raise an error if such arguments are found
++    def check_remaining_args(self):
++        if self.args:
++            raise Error, _("Invalid argument(s) '%s'" % str(self.args))
+ 
+ class OptionContainer:
+ 
diff --git a/meta/recipes-devtools/python/python-smartpm_1.4.1.bb b/meta/recipes-devtools/python/python-smartpm_1.4.1.bb
index 53f232b..ce1f435 100644
--- a/meta/recipes-devtools/python/python-smartpm_1.4.1.bb
+++ b/meta/recipes-devtools/python/python-smartpm_1.4.1.bb
@@ -11,7 +11,7 @@ LICENSE = "GPLv2"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=393a5ca445f6965873eca0259a17f833"
 
 DEPENDS = "python rpm"
-PR = "r4"
+PR = "r5"
 SRCNAME = "smart"
 
 SRC_URI = "\
@@ -24,6 +24,7 @@ SRC_URI = "\
           file://smart-rpm-md-parse.patch \
           file://smart-tmpdir.patch \
           file://smart-metadata-match.patch \
+          file://smart-improve-error-reporting.patch \
           "
 
 SRC_URI[md5sum] = "573ef32ba177a6b3c4bf7ef04873fcb6"
-- 
1.7.10.4




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2012-12-17 15:37 [PATCH] python-smartpm: improve error reporting Bogdan Marinescu
2012-12-18 18:42 ` Mark Hatle

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