97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
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#!/usr/bin/env python
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import sys
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import os
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from os import path
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from subprocess import Popen, PIPE
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from functools import cmp_to_key
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from datetime import datetime
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pym_path = path.join(path.dirname(path.realpath(__file__)), "portage", "pym")
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sys.path.insert(0, pym_path)
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from portage.versions import pkgcmp, pkgsplit
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from portage.dep import use_reduce, Atom
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from portage.exception import InvalidAtom
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def format_timedelta(delta):
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secs = delta.days*60*60*24+delta.seconds
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hours = secs/3600
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minutes = (secs%3600)/60
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return "%02d:%02d"%(hours, minutes)
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def estimate_remaining_time(before, count, i):
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now = datetime.now()
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delta = now-before
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# delta in seconds
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delta = delta.days*60*60*24+delta.seconds
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if delta == 0:
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return "n.a."
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speed = float(i)/delta
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remaining = (count - i)/speed
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remaining_hours = remaining/3600
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remaining_minutes = (remaining%3600)/60
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return "%02d:%02d"%(remaining_hours, remaining_minutes)
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portdir = "./portdir"
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pkgnames = list()
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for cat in os.listdir(portdir):
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catpath = os.path.join(portdir, cat)
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if not os.path.isdir(catpath):
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continue
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for pkg in os.listdir(catpath):
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pkgpath = os.path.join(catpath, pkg)
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if not os.path.isdir(pkgpath):
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continue
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pkgs = [pkgsplit(ver[:-7]) for ver in os.listdir(pkgpath) if ver.endswith(".ebuild")]
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if len(pkgs) > 0:
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# only grab newest package
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pkg, ver, rev = sorted(pkgs, key=cmp_to_key(pkgcmp), reverse=True)[0]
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if rev == "r0":
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pkgname = "%s/%s-%s"%(cat, pkg, ver)
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else:
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pkgname = "%s/%s-%s-%s"%(cat, pkg, ver, rev)
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pkgnames.append(pkgname)
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sys.stderr.write("\rGenerating list of packages... %d"%len(pkgnames))
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sys.stderr.write("\rGenerating list of packages... Done.\n")
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count = 0
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deplist = open("./out", "wb")
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before = datetime.now()
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for i, pkgname in enumerate(pkgnames):
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p = Popen(["./portage/bin/portageq", "metadata", "/", "ebuild", pkgname, "DEPEND"], stderr=PIPE, stdout=PIPE, env={"PORTDIR": portdir})
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r = p.communicate()
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if p.returncode != 0:
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sys.stderr.write("cannot parse %s. Output: %s\n"%(pkgname, r[1]))
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depend = r[0]
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all_use = use_reduce(depend, matchall=True)
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no_use = use_reduce(depend, matchnone=True)
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# cannot use sets because of possible sublists which are not hashable
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l = []
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for a in all_use:
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# FIXME: do not discard disjunctions
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if a not in no_use and a != "||" and not isinstance(a, list):
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try:
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l.append(Atom(a).cp)
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except InvalidAtom:
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sys.stderr.write("Invalid Atom for %s: %s\n"%(pkgname, str(a)))
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except TypeError:
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sys.stderr.write("TypeError for %s: %s\n"%(pkgname, str(a)))
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if len(l) > 0:
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deplist.write("%s %s\n"%(pkgname, " ".join(l)))
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count +=1
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sys.stderr.write("\rFinding reduced dependencies: %d/%d, found %d. Estimated time left: %s h"%(i, len(pkgnames), count, estimate_remaining_time(before, len(pkgnames), i)))
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sys.stdout.flush()
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sys.stderr.write("\rFinding reduced dependencies: %d/%d, found %d. Estimated time left: %s h\n"%(i, len(pkgnames), count, estimate_remaining_time(before, len(pkgnames), i)))
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sys.stderr.write("Done. Took %s h\n"%format_timedelta(datetime.now()-before))
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