File 0004-Fix-pkg.latest-prevent-crash-on-multiple-p... of Package salt.2642

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File 0004-Fix-pkg.latest-prevent-crash-on-multiple-package-ins.patch of Package salt.2642

From e21ddab93f22d1b2e1ad94368527f41102b69f16 Mon Sep 17 00:00:00 2001
From: Bo Maryniuk <bo@suse.de>
Date: Fri, 22 Jan 2016 18:37:12 +0100
Subject: [PATCH 04/22] Fix pkg.latest - prevent crash on multiple package
 installation

Fix PEP8: line continuation

Replace old fashion string memcopy with the list

Fix PEP8: line continuation

Bugfix: crash on "key not found" error

Fix formatting

Check the version of the package, instead of the package name

Get version as an explicit parameter

Use regexp type for the string.

Avoid backslashes where they are not needed

Remove unnecessary complexity and string increment

Add a new line before the last return

Add error handling

Cleanup formatting

Bugfix: do not treat SLS id as a package name if an empty 'pkgs' list specified.

Put 'kwargs' on its own line according to the common pattern
---
 salt/modules/zypper.py | 43 +++++++++++++---------------------
 salt/states/pkg.py     | 62 ++++++++++++++++++++++++--------------------------
 2 files changed, 46 insertions(+), 59 deletions(-)

diff --git a/salt/modules/zypper.py b/salt/modules/zypper.py
index dddcc2f..63b38af 100644
--- a/salt/modules/zypper.py
+++ b/salt/modules/zypper.py
@@ -598,6 +598,7 @@ def install(name=None,
             pkgs=None,
             sources=None,
             downloadonly=None,
+            version=None,
             **kwargs):
     '''
     Install the passed package(s), add refresh=True to run 'zypper refresh'
@@ -666,23 +667,20 @@ def install(name=None,
                        'new': '<new-version>'}}
     '''
     try:
-        pkg_params, pkg_type = __salt__['pkg_resource.parse_targets'](
-            name, pkgs, sources, **kwargs
-        )
+        pkg_params, pkg_type = __salt__['pkg_resource.parse_targets'](name, pkgs, sources, **kwargs)
     except MinionError as exc:
         raise CommandExecutionError(exc)
 
     if pkg_params is None or len(pkg_params) == 0:
         return {}
 
-    version_num = kwargs.get('version')
+    version_num = version
     if version_num:
         if pkgs is None and sources is None:
             # Allow "version" to work for single package target
             pkg_params = {name: version_num}
         else:
-            log.warning('\'version\' parameter will be ignored for multiple '
-                        'package targets')
+            log.warning("'version' parameter will be ignored for multiple package targets")
 
     if pkg_type == 'repository':
         targets = []
@@ -691,18 +689,13 @@ def install(name=None,
             if version_num is None:
                 targets.append(param)
             else:
-                match = re.match('^([<>])?(=)?([^<>=]+)$', version_num)
+                match = re.match(r'^([<>])?(=)?([^<>=]+)$', version_num)
                 if match:
                     gt_lt, equal, verstr = match.groups()
-                    prefix = gt_lt or ''
-                    prefix += equal or ''
-                    # If no prefix characters were supplied, use '='
-                    prefix = prefix or '='
-                    targets.append('{0}{1}{2}'.format(param, prefix, verstr))
+                    targets.append('{0}{1}{2}'.format(param, ((gt_lt or '') + (equal or '')) or '=', verstr))
                     log.debug(targets)
                 else:
-                    msg = ('Invalid version string {0!r} for package '
-                           '{1!r}'.format(version_num, name))
+                    msg = ('Invalid version string {0!r} for package {1!r}'.format(version_num, name))
                     problems.append(msg)
         if problems:
             for problem in problems:
@@ -731,19 +724,14 @@ def install(name=None,
     while targets:
         cmd = cmd_install + targets[:500]
         targets = targets[500:]
-
-        out = __salt__['cmd.run'](
-            cmd,
-            output_loglevel='trace',
-            python_shell=False
-        )
-        for line in out.splitlines():
-            match = re.match(
-                "^The selected package '([^']+)'.+has lower version",
-                line
-            )
-            if match:
-                downgrades.append(match.group(1))
+        call = __salt__['cmd.run_all'](cmd, output_loglevel='trace', python_shell=False)
+        if call['retcode'] != 0:
+            raise CommandExecutionError(call['stderr'])  # Fixme: This needs a proper report mechanism.
+        else:
+            for line in call['stdout'].splitlines():
+                match = re.match(r"^The selected package '([^']+)'.+has lower version", line)
+                if match:
+                    downgrades.append(match.group(1))
 
     while downgrades:
         cmd = cmd_install + ['--force'] + downgrades[:500]
@@ -752,6 +740,7 @@ def install(name=None,
         __salt__['cmd.run'](cmd, output_loglevel='trace', python_shell=False)
     __context__.pop('pkg.list_pkgs', None)
     new = list_pkgs()
+
     return salt.utils.compare_dicts(old, new)
 
 
diff --git a/salt/states/pkg.py b/salt/states/pkg.py
index 65ba779..d7c4503 100644
--- a/salt/states/pkg.py
+++ b/salt/states/pkg.py
@@ -1373,8 +1373,7 @@ def latest(
     '''
     rtag = __gen_rtag()
     refresh = bool(
-        salt.utils.is_true(refresh)
-        or (os.path.isfile(rtag) and refresh is not False)
+        salt.utils.is_true(refresh) or (os.path.isfile(rtag) and refresh is not False)
     )
 
     if kwargs.get('sources'):
@@ -1392,7 +1391,15 @@ def latest(
                     'comment': 'Invalidly formatted "pkgs" parameter. See '
                                'minion log.'}
     else:
-        desired_pkgs = [name]
+        if isinstance(pkgs, list) and len(pkgs) == 0:
+            return {
+                'name': name,
+                'changes': {},
+                'result': True,
+                'comment': 'No packages to install provided'
+            }
+        else:
+            desired_pkgs = [name]
 
     cur = __salt__['pkg.version'](*desired_pkgs, **kwargs)
     try:
@@ -1431,33 +1438,29 @@ def latest(
                 log.error(msg)
                 problems.append(msg)
             else:
-                if salt.utils.compare_versions(ver1=cur[pkg],
-                    oper='!=',
-                    ver2=avail[pkg],
-                    cmp_func=cmp_func):
+                if salt.utils.compare_versions(ver1=cur[pkg], oper='!=', ver2=avail[pkg], cmp_func=cmp_func):
                     targets[pkg] = avail[pkg]
                 else:
                     if not cur[pkg] or __salt__['portage_config.is_changed_uses'](pkg):
                         targets[pkg] = avail[pkg]
     else:
         for pkg in desired_pkgs:
-            if not avail[pkg]:
-                if not cur[pkg]:
+            if pkg not in avail:
+                if not cur.get(pkg):
                     msg = 'No information found for \'{0}\'.'.format(pkg)
                     log.error(msg)
                     problems.append(msg)
-            elif not cur[pkg] \
-                    or salt.utils.compare_versions(ver1=cur[pkg],
-                                                   oper='<',
-                                                   ver2=avail[pkg],
-                                                   cmp_func=cmp_func):
+            elif not cur.get(pkg) \
+                    or salt.utils.compare_versions(ver1=cur[pkg], oper='<', ver2=avail[pkg], cmp_func=cmp_func):
                 targets[pkg] = avail[pkg]
 
     if problems:
-        return {'name': name,
-                'changes': {},
-                'result': False,
-                'comment': ' '.join(problems)}
+        return {
+            'name': name,
+            'changes': {},
+            'result': False,
+            'comment': ' '.join(problems)
+        }
 
     if targets:
         # Find up-to-date packages
@@ -1471,9 +1474,7 @@ def latest(
 
         if __opts__['test']:
             to_be_upgraded = ', '.join(sorted(targets))
-            comment = 'The following packages are set to be ' \
-                      'installed/upgraded: ' \
-                      '{0}'.format(to_be_upgraded)
+            comment = ['The following packages are set to be installed/upgraded: {0}'.format(to_be_upgraded)]
             if up_to_date:
                 up_to_date_nb = len(up_to_date)
                 if up_to_date_nb <= 10:
@@ -1482,19 +1483,16 @@ def latest(
                         '{0} ({1})'.format(name, cur[name])
                         for name in up_to_date_sorted
                     )
-                    comment += (
-                        ' The following packages are already '
-                        'up-to-date: {0}'
-                    ).format(up_to_date_details)
+                    comment.append('The following packages are already up-to-date: {0}'.format(up_to_date_details))
                 else:
-                    comment += ' {0} packages are already up-to-date'.format(
-                        up_to_date_nb
-                    )
+                    comment.append('{0} packages are already up-to-date'.format(up_to_date_nb))
 
-            return {'name': name,
-                    'changes': {},
-                    'result': None,
-                    'comment': comment}
+            return {
+                'name': name,
+                'changes': {},
+                'result': None,
+                'comment': ' '.join(comment)
+            }
 
         # Build updated list of pkgs to exclude non-targeted ones
         targeted_pkgs = list(targets.keys()) if pkgs else None
-- 
2.1.4

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