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Functions to obtain the version and dependencies of a package from Python can be useful for several scripts. Extract this logic out of graph-depends into pkgutil.py. Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr> [Thomas: remove shebang from pkgutil.py, noticed by Yann E. Morin.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
# Copyright (C) 2010-2013 Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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import sys
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import subprocess
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# Execute the "make <pkg>-show-version" command to get the version of a given
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# list of packages, and return the version formatted as a Python dictionary.
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def get_version(pkgs):
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sys.stderr.write("Getting version for %s\n" % pkgs)
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cmd = ["make", "-s", "--no-print-directory" ]
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for pkg in pkgs:
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cmd.append("%s-show-version" % pkg)
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, universal_newlines=True)
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output = p.communicate()[0]
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if p.returncode != 0:
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sys.stderr.write("Error getting version %s\n" % pkgs)
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sys.exit(1)
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output = output.split("\n")
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if len(output) != len(pkgs) + 1:
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sys.stderr.write("Error getting version\n")
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sys.exit(1)
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version = {}
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for i in range(0, len(pkgs)):
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pkg = pkgs[i]
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version[pkg] = output[i]
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return version
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# Execute the "make <pkg>-show-depends" command to get the list of
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# dependencies of a given list of packages, and return the list of
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# dependencies formatted as a Python dictionary.
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def get_depends(pkgs, rule):
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sys.stderr.write("Getting dependencies for %s\n" % pkgs)
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cmd = ["make", "-s", "--no-print-directory" ]
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for pkg in pkgs:
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cmd.append("%s-%s" % (pkg, rule))
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, universal_newlines=True)
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output = p.communicate()[0]
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if p.returncode != 0:
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sys.stderr.write("Error getting dependencies %s\n" % pkgs)
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sys.exit(1)
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output = output.split("\n")
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if len(output) != len(pkgs) + 1:
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sys.stderr.write("Error getting dependencies\n")
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sys.exit(1)
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deps = {}
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for i in range(0, len(pkgs)):
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pkg = pkgs[i]
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pkg_deps = output[i].split(" ")
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if pkg_deps == ['']:
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deps[pkg] = []
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else:
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deps[pkg] = pkg_deps
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return deps
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