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#!/usr/bin/python
# Copyright (c) 2009 Benjamin Drung <bdrung@ubuntu.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import csv
import glob
import optparse
import os
import subprocess
import sys
from moz_version import compare_versions
import RDF
# error codes
COMMAND_LINE_SYNTAX_ERROR = 1
MULTIPLE_INSTALL_RDFs = 2
def get_xul_apps():
csvfile = open("/usr/share/mozilla-devscripts/xul-app-data.csv")
csv_reader = csv.DictReader(csvfile)
rows = []
for row in csv_reader:
rows.append(row)
return rows
def get_supported_apps(script_name, xul_apps, install_rdf, package, verbose=False):
# create array of id_max_min triples
id_max_min = []
model = RDF.Model()
parser = RDF.Parser(name="rdfxml")
stream = parser.parse_into_model(model, "file:" + install_rdf)
query = RDF.Query(
"""
PREFIX em: <http://www.mozilla.org/2004/em-rdf#>
SELECT ?id ?max ?min
WHERE {
?x1 em:targetApplication ?x2 .
?x2 em:id ?id .
OPTIONAL {
?x2 em:maxVersion ?max .
?x2 em:minVersion ?min .
} .
}
""", query_language="sparql")
results = query.execute(model)
# append to id_max_min tripe to array
for target in results:
id_max_min.append ((target["id"].literal_value["string"],
target["max"].literal_value["string"],
target["min"].literal_value["string"]))
if verbose:
print "%s: %s supports %i XUL application(s):" % (script_name, package, len(id_max_min))
for (appid, max_version, min_version) in id_max_min:
print "%s %s to %s" % (appid, min_version, max_version)
# find supported apps/packages
supported_apps = list()
for xul_app in xul_apps:
supported_app = filter(lambda x: x[0] == xul_app["id"], id_max_min)
if len(supported_app) == 1:
# package is supported by extension
(appid, max_version, min_version) = supported_app.pop()
if compare_versions(xul_app["sol"], max_version) <= 0:
if compare_versions(xul_app["eol"], min_version) >= 0:
supported_apps.append(xul_app["package"])
if verbose:
print "%s: %s supports %s." % (script_name, package, xul_app["package"])
elif verbose:
print "%s: %s does not support %s (any more)." % (script_name, package, xul_app["package"])
elif verbose:
print "%s: %s does not support %s (yet)." % (script_name, package, xul_app["package"])
elif len(supported_app) > 1:
print "%s: Found error in %s. There are multiple entries for application ID %s." % \
(script_name, install_rdf, xul_app["id"])
return supported_apps
def get_all_packages():
lines = open("debian/control").readlines()
package_lines = filter(lambda x: x.find("Package:") >= 0, lines)
packages = map(lambda x: x[x.find(":")+1:].strip(), package_lines)
return packages
def get_source_package_name():
source = None
f = open("debian/control")
for line in f:
if line.startswith("Source:"):
source = line[line.find(":")+1:].strip()
break
return source
def get_provided_package_names(package, supported_apps):
ext_name = package
for prefix in ("firefox-", "iceweasel-", "mozilla-", "xul-ext-"):
if ext_name.startswith(prefix):
ext_name = ext_name[len(prefix):]
# check if MOZ_XPI_EXT_NAME is defined in debian/rules
lines = open("debian/rules").readlines()
lines = filter(lambda x: x.find("MOZ_XPI_EXT_NAME") != -1, lines)
if len(lines) > 0:
ext_name = lines[-1][line.find("=")+1:].strip()
provides = set()
provides.add("xul-ext-" + ext_name)
if ext_name == get_source_package_name():
provides.add(ext_name)
for app in supported_apps:
for i in xrange(len(app) - 1, -1, -1):
if app[i] == '-':
app = app[:i]
elif not app[i].isdigit() and not app[i] == '.':
break
provides.add(app + "-" + ext_name)
# remove package name from provide list
provides.discard(package)
return list(provides)
def find_install_rdfs(path):
install_rdfs = set()
if os.path.isfile(path) and os.path.basename(path) == "install.rdf":
install_rdfs.add(os.path.realpath(path))
if os.path.isdir(path):
# recursive walk
content = map(lambda d: os.path.join(path, d), os.listdir(path))
install_rdfs = reduce(lambda x, d: x.union(find_install_rdfs(d)), content, install_rdfs)
return install_rdfs
def generate_substvars(script_name, xul_apps, package, verbose=False):
install_rdfs = find_install_rdfs("debian/" + package)
if len(install_rdfs) == 0:
# this package does not contain a xul extension
return
elif len(install_rdfs) > 1:
print >> sys.stderr, "%s: %s contains multiple install.rdf files. That's not supported." % (script_name, package)
sys.exit(MULTIPLE_INSTALL_RDFs)
install_rdf = install_rdfs.pop()
filename = "debian/" + package + ".substvars"
if os.path.exists(filename):
f = open(filename)
lines = f.readlines()
f.close()
else:
lines = list()
# remove existing varibles
lines = filter(lambda s: not s.startswith("xpi:"), lines)
packages = get_supported_apps(script_name, xul_apps, install_rdf, package, verbose)
lines.append("xpi:Recommends=" + " | ".join(packages) + "\n")
lines.append("xpi:Enhances=" + ", ".join(sorted(packages)) + "\n")
packages = get_provided_package_names(package, packages)
lines.append("xpi:Provides=" + ", ".join(sorted(packages)) + "\n")
# write new variables
f = open(filename, "w")
f.writelines(lines)
f.close()
class UnknownOptionIgnoringOptionParser(optparse.OptionParser):
def __init__ (self, **options):
optparse.OptionParser.__init__(self, **options)
self.unknown_options = []
def _process_long_opt(self, rargs, values):
option = rargs[0].split("=")[0]
if not option in self._long_opt:
self.unknown_options.append(option)
del rargs[0]
else:
optparse.OptionParser._process_long_opt(self, rargs, values)
def _process_short_opts(self, rargs, values):
option = rargs[0][0:2]
if not self._short_opt.get(option):
self.unknown_options.append(option)
del rargs[0]
else:
optparse.OptionParser._process_short_opts(self, rargs, values)
if __name__ == "__main__":
epilog = "See %s(1) for more info." % (os.path.basename(sys.argv[0]))
parser = UnknownOptionIgnoringOptionParser(epilog=epilog)
parser.add_option("-p", "--package", dest="packages", metavar="PACKAGE",
action="append", default=[],
help="calculate substvars only for the specified PACKAGE")
parser.add_option("-v", "--verbose", action="store_true", dest="verbose",
default=False, help="print more information")
(options, args) = parser.parse_args()
if len(options.packages) == 0:
options.packages = get_all_packages()
script_name = os.path.basename(sys.argv[0])
if options.verbose:
for unknown_option in parser.unknown_options:
sys.stderr.write("%s: warning: no such option: %s\n" % (script_name, unknown_option))
print script_name + ": packages:", ", ".join(options.packages)
xul_apps = get_xul_apps()
if options.verbose and len(xul_apps) > 0:
print script_name + ": found %i Xul applications:" % (len(xul_apps))
for xul_app in xul_apps:
print xul_app["id"] + ": " + xul_app["package"] + " (" + xul_app["sol"] + " to " + xul_app["eol"] + ")"
for package in options.packages:
generate_substvars(script_name, xul_apps, package, options.verbose)
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