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pkgin: Support multiple matching packages

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pkgin searches for packages such as 'emacs' can return multiple matches,
the first of which is not guaranteed to match.  So, iterate through
found packages until we have an appropriate match.  Should we *not* find
a match, then return False indicating match failure.
This commit is contained in:
Christopher M. Fuhrman 2015-08-18 13:32:17 -07:00
parent b670c7969b
commit 24ae49bbd9
1 changed files with 37 additions and 23 deletions
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30
packaging/os/pkgin.py
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@ -68,6 +68,7 @@ import shlex
import os
import sys
import pipes
import re
def query_package(module, pkgin_path, name):
"""Search for the package by name.
@ -95,8 +96,11 @@ def query_package(module, pkgin_path, name):
# rc will not be 0 unless the search was a success
if rc == 0:
# Get first line
line = out.split('\n')[0]
# Search results may contain more than one line (e.g., 'emacs'), so iterate
# through each line to see if we have a match.
packages = out.split('\n')
for package in packages:
# Break up line at spaces. The first part will be the package with its
# version (e.g. 'gcc47-libs-4.7.2nb4'), and the second will be the state
@ -105,15 +109,21 @@ def query_package(module, pkgin_path, name):
# '<' - installed but out of date
# '=' - installed and up to date
# '>' - installed but newer than the repository version
pkgname_with_version, raw_state = out.split(splitchar)[0:2]
pkgname_with_version, raw_state = package.split(splitchar)[0:2]
# Strip version
# (results in sth like 'gcc47-libs')
pkgname_without_version = '-'.join(pkgname_with_version.split('-')[:-1])
# Search for package, stripping version
# (results in sth like 'gcc47-libs' or 'emacs24-nox11')
pkg_search_obj = re.search(r'^([a-zA-Z]+[0-9]*[\-]*\w*)-[0-9]', pkgname_with_version, re.M)
# Do not proceed unless we have a match
if not pkg_search_obj:
continue
# Grab matched string
pkgname_without_version = pkg_search_obj.group(1)
if name != pkgname_without_version:
return False
# no fall-through
continue
# The package was found; now return its state
if raw_state == '<':
@ -122,6 +132,10 @@ def query_package(module, pkgin_path, name):
return 'present'
else:
return False
# no fall-through
# No packages were matched, so return False
return False
def format_action_message(module, action, count):