diff options
Diffstat (limited to 'pym/gentoolkit/equery/depends.py')
| -rw-r--r-- | pym/gentoolkit/equery/depends.py | 325 |
1 files changed, 167 insertions, 158 deletions
diff --git a/pym/gentoolkit/equery/depends.py b/pym/gentoolkit/equery/depends.py index 74c6933..581e2b6 100644 --- a/pym/gentoolkit/equery/depends.py +++ b/pym/gentoolkit/equery/depends.py @@ -4,7 +4,7 @@ """List all packages that depend on a atom given query""" -__docformat__ = 'epytext' +__docformat__ = "epytext" # ======= # Imports @@ -24,181 +24,190 @@ from gentoolkit.cpv import CPV # ======= QUERY_OPTS = { - "include_masked": False, - "only_direct": True, - "max_depth": -1, + "include_masked": False, + "only_direct": True, + "max_depth": -1, } # ======= # Classes # ======= + class DependPrinter: - """Output L{gentoolkit.dependencies.Dependencies} objects.""" - def __init__(self, verbose=True): - self.verbose = verbose - - if verbose: - self.print_fn = self.print_verbose - else: - self.print_fn = self.print_quiet - - def __call__(self, dep, dep_is_displayed=False): - self.format_depend(dep, dep_is_displayed) - - @staticmethod - def print_verbose(indent, cpv, use_conditional, depatom): - """Verbosely prints a set of dep strings.""" - - sep = ' ? ' if (depatom and use_conditional) else '' - pp.uprint(indent + pp.cpv(cpv), "(" + use_conditional + - sep + depatom + ")") - - @staticmethod - def print_quiet(indent, cpv, use_conditional, depatom): - """Quietly prints a subset set of dep strings.""" - - pp.uprint(indent + cpv) - - def format_depend(self, dep, dep_is_displayed): - """Format a dependency for printing. - - @type dep: L{gentoolkit.dependencies.Dependencies} - @param dep: the dependency to display - """ - - # Don't print blank lines - if dep_is_displayed and not self.verbose: - return - - depth = getattr(dep, 'depth', 0) - indent = " " * depth - mdep = dep.matching_dep - use_conditional = "" - if mdep.use_conditional: - use_conditional = " & ".join( - pp.useflag(u) for u in mdep.use_conditional.split() - ) - if mdep.operator == '=*': - formatted_dep = '=%s*' % str(mdep.cpv) - else: - formatted_dep = mdep.operator + str(mdep.cpv) - if mdep.slot: - formatted_dep += pp.emph(':') + pp.slot(mdep.slot) - if mdep.sub_slot: - formatted_dep += pp.slot('/') + pp.slot(mdep.sub_slot) - if mdep.use: - useflags = pp.useflag(','.join(mdep.use.tokens)) - formatted_dep += (pp.emph('[') + useflags + pp.emph(']')) - - if dep_is_displayed: - indent = indent + " " * len(str(dep.cpv)) - self.print_fn(indent, '', use_conditional, formatted_dep) - else: - self.print_fn(indent, str(dep.cpv), use_conditional, formatted_dep) + """Output L{gentoolkit.dependencies.Dependencies} objects.""" + + def __init__(self, verbose=True): + self.verbose = verbose + + if verbose: + self.print_fn = self.print_verbose + else: + self.print_fn = self.print_quiet + + def __call__(self, dep, dep_is_displayed=False): + self.format_depend(dep, dep_is_displayed) + + @staticmethod + def print_verbose(indent, cpv, use_conditional, depatom): + """Verbosely prints a set of dep strings.""" + + sep = " ? " if (depatom and use_conditional) else "" + pp.uprint(indent + pp.cpv(cpv), "(" + use_conditional + sep + depatom + ")") + + @staticmethod + def print_quiet(indent, cpv, use_conditional, depatom): + """Quietly prints a subset set of dep strings.""" + + pp.uprint(indent + cpv) + + def format_depend(self, dep, dep_is_displayed): + """Format a dependency for printing. + + @type dep: L{gentoolkit.dependencies.Dependencies} + @param dep: the dependency to display + """ + + # Don't print blank lines + if dep_is_displayed and not self.verbose: + return + + depth = getattr(dep, "depth", 0) + indent = " " * depth + mdep = dep.matching_dep + use_conditional = "" + if mdep.use_conditional: + use_conditional = " & ".join( + pp.useflag(u) for u in mdep.use_conditional.split() + ) + if mdep.operator == "=*": + formatted_dep = "=%s*" % str(mdep.cpv) + else: + formatted_dep = mdep.operator + str(mdep.cpv) + if mdep.slot: + formatted_dep += pp.emph(":") + pp.slot(mdep.slot) + if mdep.sub_slot: + formatted_dep += pp.slot("/") + pp.slot(mdep.sub_slot) + if mdep.use: + useflags = pp.useflag(",".join(mdep.use.tokens)) + formatted_dep += pp.emph("[") + useflags + pp.emph("]") + + if dep_is_displayed: + indent = indent + " " * len(str(dep.cpv)) + self.print_fn(indent, "", use_conditional, formatted_dep) + else: + self.print_fn(indent, str(dep.cpv), use_conditional, formatted_dep) + # ========= # Functions # ========= + def print_help(with_description=True): - """Print description, usage and a detailed help message. - - @type with_description: bool - @param with_description: if true, print module's __doc__ string - """ - - if with_description: - print(__doc__.strip()) - print() - print(mod_usage(mod_name="depends")) - print() - print(pp.command("options")) - print(format_options(( - (" -h, --help", "display this help message"), - (" -a, --all-packages", - "include dependencies that are not installed (slow)"), - (" -D, --indirect", - "search both direct and indirect dependencies"), - (" --depth=N", "limit indirect dependency tree to specified depth") - ))) + """Print description, usage and a detailed help message. + + @type with_description: bool + @param with_description: if true, print module's __doc__ string + """ + + if with_description: + print(__doc__.strip()) + print() + print(mod_usage(mod_name="depends")) + print() + print(pp.command("options")) + print( + format_options( + ( + (" -h, --help", "display this help message"), + ( + " -a, --all-packages", + "include dependencies that are not installed (slow)", + ), + (" -D, --indirect", "search both direct and indirect dependencies"), + (" --depth=N", "limit indirect dependency tree to specified depth"), + ) + ) + ) def parse_module_options(module_opts): - """Parse module options and update QUERY_OPTS""" - - opts = (x[0] for x in module_opts) - posargs = (x[1] for x in module_opts) - for opt, posarg in zip(opts, posargs): - if opt in ('-h', '--help'): - print_help() - sys.exit(0) - elif opt in ('-a', '--all-packages'): - QUERY_OPTS['include_masked'] = True - elif opt in ('-D', '--indirect'): - QUERY_OPTS['only_direct'] = False - elif opt in ('--depth'): - if posarg.isdigit(): - depth = int(posarg) - else: - err = "Module option --depth requires integer (got '%s')" - sys.stdout.write(pp.error(err % posarg)) - print() - print_help(with_description=False) - sys.exit(2) - QUERY_OPTS["max_depth"] = depth + """Parse module options and update QUERY_OPTS""" + + opts = (x[0] for x in module_opts) + posargs = (x[1] for x in module_opts) + for opt, posarg in zip(opts, posargs): + if opt in ("-h", "--help"): + print_help() + sys.exit(0) + elif opt in ("-a", "--all-packages"): + QUERY_OPTS["include_masked"] = True + elif opt in ("-D", "--indirect"): + QUERY_OPTS["only_direct"] = False + elif opt in ("--depth"): + if posarg.isdigit(): + depth = int(posarg) + else: + err = "Module option --depth requires integer (got '%s')" + sys.stdout.write(pp.error(err % posarg)) + print() + print_help(with_description=False) + sys.exit(2) + QUERY_OPTS["max_depth"] = depth def main(input_args): - """Parse input and run the program""" - short_opts = "hadD" # -d, --direct was old option for default action - long_opts = ('help', 'all-packages', 'direct', 'indirect', 'depth=') - - try: - module_opts, queries = gnu_getopt(input_args, short_opts, long_opts) - except GetoptError as err: - sys.stderr.write(pp.error("Module %s" % err)) - print() - print_help(with_description=False) - sys.exit(2) - - parse_module_options(module_opts) - - if not queries: - print_help() - sys.exit(2) - - # - # Output - # - - dep_print = DependPrinter(verbose=CONFIG['verbose']) - - first_run = True - got_match = False - for query in queries: - if not first_run: - print() - - pkg = Dependencies(query) - if QUERY_OPTS['include_masked']: - pkggetter = get_cpvs - else: - pkggetter = get_installed_cpvs - - if CONFIG['verbose']: - print(" * These packages depend on %s:" % pp.emph(pkg.cpv)) - if pkg.graph_reverse_depends( - pkgset=sorted(pkggetter(), key=CPV), - max_depth=QUERY_OPTS["max_depth"], - only_direct=QUERY_OPTS["only_direct"], - printer_fn=dep_print - ): - got_match = True - - first_run = False - - if not got_match: - sys.exit(1) + """Parse input and run the program""" + short_opts = "hadD" # -d, --direct was old option for default action + long_opts = ("help", "all-packages", "direct", "indirect", "depth=") + + try: + module_opts, queries = gnu_getopt(input_args, short_opts, long_opts) + except GetoptError as err: + sys.stderr.write(pp.error("Module %s" % err)) + print() + print_help(with_description=False) + sys.exit(2) + + parse_module_options(module_opts) + + if not queries: + print_help() + sys.exit(2) + + # + # Output + # + + dep_print = DependPrinter(verbose=CONFIG["verbose"]) + + first_run = True + got_match = False + for query in queries: + if not first_run: + print() + + pkg = Dependencies(query) + if QUERY_OPTS["include_masked"]: + pkggetter = get_cpvs + else: + pkggetter = get_installed_cpvs + + if CONFIG["verbose"]: + print(" * These packages depend on %s:" % pp.emph(pkg.cpv)) + if pkg.graph_reverse_depends( + pkgset=sorted(pkggetter(), key=CPV), + max_depth=QUERY_OPTS["max_depth"], + only_direct=QUERY_OPTS["only_direct"], + printer_fn=dep_print, + ): + got_match = True + + first_run = False + + if not got_match: + sys.exit(1) + # vim: set ts=4 sw=4 tw=79: |