diff options
Diffstat (limited to 'bin/RPMFinder')
| -rwxr-xr-x | bin/RPMFinder | 76 |
1 files changed, 61 insertions, 15 deletions
diff --git a/bin/RPMFinder b/bin/RPMFinder index 995bb8a..1b8bf2f 100755 --- a/bin/RPMFinder +++ b/bin/RPMFinder @@ -9,6 +9,7 @@ # Released under the GNU GPL version 2 or above. import os +import re import sys import argparse import subprocess @@ -34,53 +35,98 @@ class RPMFind_Parser(HTMLParser): if len(self.tags) and self.tags[-1] == "a" and data.find(".rpm") >= 0: self.candidates.append(data) - def get_pkgname(self): + def get_pkgnames(self): if len(self.candidates) == 0: return "" - name = os.path.commonprefix(self.candidates) - if name.endswith("-"): - name = name[:-1] - return name + return self.candidates class RPMFinder: - def find(self, path, arch, distro): + def find(self, path, arch, distroname, distrocode): ''' Searches rpmfind.net for a given file. Arch and distro can - be provided to reduce the search scope. Returns the package + be provided to narrow the search scope. Returns the package name on success or an empty string if no matches were found. ''' self.path = path self.arch = arch - self.distro = distro - return self.__search_rpmfind_net() + self.distroname = distroname.replace(" ", "+") + self.distrocode = distrocode + self.name = path + for token in [">=", ">", "<=", "<", "="]: + self.name = self.name.replace(token, " ") + self.name = self.name.split(" ")[0] + + matches = self.__search_rpmfind_net() + if len(matches) == 0: + return [] + if any(op in self.path for op in [">", "<", "="]): + op, version = self.__get_op_and_version() + return self.__filter(matches, op, version) + else: + return matches + + def __filter(self, matches, op, version): + filtered = [] + for match in matches: + pkg_version = match.replace(self.name, "").replace("{0}.{1}.rpm".format(self.distrocode, self.arch), "").strip("-").strip(".") + sys.stderr.write("package {0}: {1} {2} {3}?\n".format(match, pkg_version, op, version)) + + # TODO: filter based on op and version + if len(filtered) == 0: + filtered.append(match) + return filtered + + def __get_op_and_version(self): + if ">=" in self.path: + return ">=", self.path.split(">=")[1].strip() + elif ">" in self.path: + return ">", self.path.split(">")[1].strip() + elif "<=" in self.path: + return "<=", self.path.split("<=")[1].strip() + elif "<" in self.path: + return "<", self.path.split("<")[1].strip() + elif "=" in self.path: + return "=", self.path.split("=")[1].strip() + else: + sys.stderr.write("could not extract op and version from {}\n".format(self.path)) + return None, None def __search_rpmfind_net(self): path = self.path.replace("/", "%2F") - arch = self.arch baseuri = "http://rpmfind.net/linux/rpm2html/search.php" - query = "?query={0}&submit=Search+...&system=&arch={1}".format(path, arch) + query = "?query={0}&submit=Search+...&system={1}&arch={2}".format(path, self.distroname, self.arch) html = subprocess.check_output(["wget", "--quiet", "{0}{1}".format(baseuri, query), "-O", "-"]) + # Compile a regex that catches package names derived from the basename given by self.path. + # Example: perl-DBICx when perl-DBI is wanted. + regex = re.compile(r"{0}\-[0-9]+.*{1}.{2}.rpm".format(self.name, self.distrocode, self.arch)) + htmlparser = RPMFind_Parser() htmlparser.feed(str(html)) - return htmlparser.get_pkgname() + pkgnames = htmlparser.get_pkgnames() + result = [] + for pkgname in pkgnames: + if regex.match(pkgname): + result.append(pkgname) + return result def main(): argparser = argparse.ArgumentParser(argument_default="") argparser.add_argument("--path", type=str, help="File name to search for in the remote RPM databases") argparser.add_argument("--arch", type=str, help="Architecture (optional)") - argparser.add_argument("--distro", type=str, help="Distribution (optional)") + argparser.add_argument("--distroname", type=str, help="Distribution name (optional)") + argparser.add_argument("--distrocode", type=str, help="Distribution code (optional)") args = argparser.parse_args() if len(args.path) == 0: argparser.print_help() sys.exit(1) - pkgname = RPMFinder().find(args.path, args.arch, args.distro) + pkgname = RPMFinder().find(args.path, args.arch, args.distroname, args.distrocode) if len(pkgname): - print(pkgname) + print(pkgname[0]) if __name__ == "__main__": main() |