commit 96d2ab282deaf7e8493c70c7375ee6a978275894 Author: Chris Wacek cwacek@cs.georgetown.edu Date: Fri Dec 21 11:31:05 2012 -0500

Added a function to emulate the command line functionality of the old code --- compass.py | 95 ++++++++++++++++++++++++++++++++++++++++++++++++----------- util.py | 10 ++++++ 2 files changed, 87 insertions(+), 18 deletions(-)

diff --git a/compass.py b/compass.py index 40b564a..60d66fd 100755 --- a/compass.py +++ b/compass.py @@ -253,11 +253,49 @@ class RelayStats(object):

WEIGHTS = ['consensus_weight_fraction', 'advertised_bandwidth_fraction', 'guard_probability', 'middle_probability', 'exit_probability']

+ def print_selection(self,selection,options): + """ + Print the selection returned by sort_and_reduce relays into a + string for the command line version. + """ + column_widths = [9,10,10,10,10,21,80 if options.links else 42,7,7,4,11] + headings = ["CW","adv_bw","P_guard","P_middle", "P_exit", "Nickname", + "Link" if options.links else "Fingerprint", + "Exit","Guard","CC", "Autonomous System"] + + #Print the header + print("".join(word.ljust(column_widths[i]) for i,word in enumerate(headings))) + + for relay in selection['results']: + print("".join(field.ljust(column_widths[i]) + for i,field in + enumerate(relay.printable_fields()))) + + #Print the 'excluded' set if we have it + if selection['excluded']: + print("".join(field.ljust(column_widths[i]) + for i,field in + enumerate(selection['excluded'].printable_fields()))) + + #Print the 'total' set if we have it + if selection['total']: + print("".join(field.ljust(column_widths[i]) + for i,field in + enumerate(selection['total'].printable_fields()))) + def sort_and_reduce(self, relay_set, options): """ - Take a set of relays (has already been grouped and - filtered), sort it and return the ones requested + Take a set of relays (has already been grouped and + filtered), sort it and return the ones requested in the 'top' option. Add index numbers to them as well. + + Returns a hash with three values: + *results*: A list of Result objects representing the selected + relays + *excluded*: A Result object representing the stats for the + filtered out relays. May be None + *total*: A Result object representing the stats for all of the + relays in this filterset. """ output_relays = list() excluded_relays = None @@ -277,7 +315,7 @@ class RelayStats(object): selected_relay.index = i + 1 output_relays.append(selected_relay)

- # Figure out what the 'remainder' numbers are + # Figure out what the 'remainder' numbers are if len(relay_set) > options.top: if options.by_country and options.by_as: filtered = "countries and ASes" @@ -309,12 +347,12 @@ class RelayStats(object): filtered) total_relays.fp = "(total in selection)"

- # Only include the last line if + # Only include the last line if if total_relays.cw > 99.9: total_relays = None

return { - 'results': output_relays, + 'results': output_relays, 'excluded': excluded_relays, 'total': total_relays } @@ -520,6 +558,15 @@ def create_option_parser(): group.add_option("-C", "--by-country", action="store_true", default=False, help="group relays by country") parser.add_option_group(group) + group = OptionGroup(parser, "Sorting options") + group.add_option("--sort", type="choice", + choices=["cw","adv_bw","p_guard","p_exit","p_middle", + "nick","fp"], + default="cw", + help="sort by this field") + group.add_option("--sort_reverse", action="store_true", default=True, + help="invert the sorting order") + parser.add_option_group(group) group = OptionGroup(parser, "Display options") group.add_option("-l", "--links", action="store_true", help="display links to the Atlas service instead of fingerprints") @@ -582,17 +629,29 @@ if '__main__' == __name__: exit() if not os.path.exists(os.path.join(os.path.dirname(os.path.abspath(__file__)), 'details.json')): parser.error("Did not find details.json. Re-run with --download.") + stats = RelayStats(options) - sorted_groups = stats.format_and_sort_groups(stats.relays, - country=options.country, - ases=options.ases, - by_country=options.by_country, - by_as_number=options.by_as, - links=options.links) - - output_string = stats.print_groups(sorted_groups, options.top, - by_country=options.by_country, - by_as_number=options.by_as, - short=70 if options.short else None, - links=options.links) - print '\n'.join(output_string) + results = stats.select_relays(stats.relays, + by_country=options.by_country, + by_as_number=options.by_as, + country=options.country, + ases=options.ases, + links=options.links) + + sorted_results = stats.sort_and_reduce(results,options) + + stats.print_selection(sorted_results,options) + + #sorted_groups = stats.format_and_sort_groups(stats.relays, + #country=options.country, + #ases=options.ases, + #by_country=options.by_country, + #by_as_number=options.by_as, + #links=options.links) + + #output_string = stats.print_groups(sorted_groups, options.top, + #by_country=options.by_country, + #by_as_number=options.by_as, + #short=70 if options.short else None, + #links=options.links) + #print '\n'.join(output_string) diff --git a/util.py b/util.py index 082a991..f6d3d51 100644 --- a/util.py +++ b/util.py @@ -58,6 +58,16 @@ class Result(): def jsonify(self): return self.__dict__

+ def printable_fields(self): + """ + Return this Result object as a list with the fields in the order + expected for printing. + """ + format_str = "%.4f%%|%.4f%%|%.4f%%|%.4f%%|%.4f%%|%s|%s|%s|%s|%s|%s" + formatted = format_str % ( self.cw, self.adv_bw, self.p_guard, self.p_middle, self.p_exit, + self.nick, self.fp, self.exit, self.guard, self.cc, self.as_info ) + return formatted.split("|") + class ResultEncoder(json.JSONEncoder): def default(self,obj): if isinstance(obj,Result):