support/scripts: use show-info to extract dependency graph
Currently, we extract the dependency graph from the aptly named but ad-hoc show-dependency-graph rule. We now have a better solution to report package information, with show-info. Since show-dependency-graph never went into a release so far, and show-info does provide the same (and more), switch to using show-info. Thanks to Adam for suggesting the coding style to have a readable code that is not ugly but still pleases flake8. Thanks to Arnout for suggesting the use of dict.get() to further simplify the code. Note: we do not use the reverse_dependencies field because it only contains those packages that have a kconfig option, so we'd miss most host packages. Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Cc: Thomas De Schampheleire <patrickdepinguin@gmail.com> Cc: Adam Duskett <aduskett@gmail.com> Cc: Arnout Vandecappelle <arnout@mind.be> Cc: Ricardo Martincoski <ricardo.martincoski@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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@ -1,6 +1,7 @@
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# Copyright (C) 2010-2013 Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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# Copyright (C) 2019 Yann E. MORIN <yann.morin.1998@free.fr>
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import json
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import logging
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import os
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import subprocess
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@ -19,7 +20,7 @@ from collections import defaultdict
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def get_dependency_tree():
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logging.info("Getting dependency tree...")
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deps = defaultdict(list)
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deps = {}
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rdeps = defaultdict(list)
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types = {}
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versions = {}
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@ -29,23 +30,21 @@ def get_dependency_tree():
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types['all'] = 'target'
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versions['all'] = ''
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cmd = ["make", "-s", "--no-print-directory", "show-dependency-tree"]
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cmd = ["make", "-s", "--no-print-directory", "show-info"]
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with open(os.devnull, 'wb') as devnull:
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=devnull,
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universal_newlines=True)
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output = p.communicate()[0]
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pkg_list = json.loads(p.communicate()[0])
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for l in output.splitlines():
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if " -> " in l:
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pkg = l.split(" -> ")[0]
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deps[pkg] += l.split(" -> ")[1].split()
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for p in l.split(" -> ")[1].split():
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rdeps[p].append(pkg)
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else:
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pkg, type_version = l.split(": ", 1)
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t, v = "{} -".format(type_version).split(None, 2)[:2]
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deps['all'].append(pkg)
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types[pkg] = t
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versions[pkg] = v
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for pkg in pkg_list:
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deps['all'].append(pkg)
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types[pkg] = pkg_list[pkg]["type"]
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deps[pkg] = pkg_list[pkg].get("dependencies", [])
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for p in deps[pkg]:
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rdeps[p].append(pkg)
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versions[pkg] = \
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None if pkg_list[pkg]["type"] == "rootfs" \
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else "virtual" if pkg_list[pkg]["virtual"] \
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else pkg_list[pkg]["version"]
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return (deps, rdeps, types, versions)
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