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@ -26,7 +26,7 @@
@@ -26,7 +26,7 @@
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# POSSIBILITY OF SUCH DAMAGE. |
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#VERSION: 1.32 |
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#VERSION: 1.40 |
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# Author: |
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# Fabien Devaux <fab AT gnux DOT info> |
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@ -37,16 +37,15 @@
@@ -37,16 +37,15 @@
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# |
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# Licence: BSD |
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import sys |
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import threading |
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import os |
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import glob |
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import urllib |
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import fix_encoding |
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from os import path |
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from glob import glob |
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from sys import argv |
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from multiprocessing import Pool, cpu_count |
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from fix_encoding import fix_encoding |
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THREADED = True |
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CATEGORIES = ('all', 'movies', 'tv', 'music', 'games', 'anime', 'software', 'pictures', 'books') |
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CATEGORIES = {'all', 'movies', 'tv', 'music', 'games', 'anime', 'software', 'pictures', 'books'} |
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################################################################################ |
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# Every engine should have a "search" method taking |
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@ -56,108 +55,125 @@ CATEGORIES = ('all', 'movies', 'tv', 'music', 'games', 'anime', 'software', 'pic
@@ -56,108 +55,125 @@ CATEGORIES = ('all', 'movies', 'tv', 'music', 'games', 'anime', 'software', 'pic
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# As a convention, try to list results by decrasing number of seeds or similar |
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################################################################################ |
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supported_engines = [] |
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engines = glob.glob(os.path.join(os.path.dirname(__file__), 'engines','*.py')) |
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for engine in engines: |
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e = engine.split(os.sep)[-1][:-3] |
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if len(e.strip()) == 0: continue |
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if e.startswith('_'): continue |
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try: |
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exec "from engines.%s import %s"%(e,e) |
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supported_engines.append(e) |
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except: |
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pass |
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def engineToXml(short_name): |
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xml = "<%s>\n"%short_name |
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exec "engine = %s()"%short_name |
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xml += "<name>%s</name>\n"%engine.name |
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xml += "<url>%s</url>\n"%engine.url |
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xml += "<categories>" |
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if hasattr(engine, 'supported_categories'): |
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supported_categories = engine.supported_categories.keys() |
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supported_categories.remove('all') |
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xml += " ".join(supported_categories) |
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xml += "</categories>\n" |
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xml += "</%s>\n"%short_name |
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return xml |
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def displayCapabilities(): |
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""" |
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Display capabilities in XML format |
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<capabilities> |
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<engine_short_name> |
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<name>long name</name> |
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<url>http://example.com</url> |
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<categories>movies music games</categories> |
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</engine_short_name> |
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</capabilities> |
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""" |
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xml = "<capabilities>" |
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for short_name in supported_engines: |
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xml += engineToXml(short_name) |
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xml += "</capabilities>" |
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print xml |
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class EngineLauncher(threading.Thread): |
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def __init__(self, engine, what, cat='all'): |
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threading.Thread.__init__(self) |
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self.engine = engine |
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self.what = what |
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self.cat = cat |
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def run(self): |
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if hasattr(self.engine, 'supported_categories'): |
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if self.cat == 'all' or self.cat in self.engine.supported_categories.keys(): |
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self.engine.search(self.what, self.cat) |
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elif self.cat == 'all': |
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self.engine.search(self.what) |
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if __name__ == '__main__': |
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# Make sure we enforce utf-8 encoding |
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fix_encoding.fix_encoding() |
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if len(sys.argv) < 2: |
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raise SystemExit('./nova2.py [all|engine1[,engine2]*] <category> <keywords>\navailable engines: %s'% |
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(','.join(supported_engines))) |
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if len(sys.argv) == 2: |
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if sys.argv[1] == "--capabilities": |
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displayCapabilities() |
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sys.exit(0) |
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else: |
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raise SystemExit('./nova.py [all|engine1[,engine2]*] <category> <keywords>\navailable engines: %s'% |
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(','.join(supported_engines))) |
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engines_list = [e.lower() for e in sys.argv[1].strip().split(',')] |
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if 'all' in engines_list: |
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engines_list = supported_engines |
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cat = sys.argv[2].lower() |
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if cat not in CATEGORIES: |
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raise SystemExit('Invalid category!') |
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what = urllib.quote(' '.join(sys.argv[3:])) |
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threads = [] |
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for engine in engines_list: |
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try: |
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if THREADED: |
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exec "l = EngineLauncher(%s(), what, cat)"%engine |
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threads.append(l) |
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l.start() |
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else: |
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exec "e = %s()"%engine |
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if hasattr(engine, 'supported_categories'): |
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if cat == 'all' or cat in e.supported_categories.keys(): |
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e.search(what, cat) |
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elif self.cat == 'all': |
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e.search(what) |
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engine().search(what, cat) |
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except: |
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pass |
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if THREADED: |
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for t in threads: |
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t.join() |
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def initialize_engines(): |
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""" Import available engines |
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Return list of available engines |
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""" |
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supported_engines = [] |
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engines = glob(path.join(path.dirname(__file__), 'engines', '*.py')) |
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for engine in engines: |
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engi = path.basename(engine).split('.')[0].strip() |
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if len(engi) == 0 or engi.startswith('_'): |
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continue |
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try: |
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#import engines.[engine] |
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engine_module = __import__(".".join(("engines", engi))) |
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#get low-level module |
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engine_module = getattr(engine_module, engi) |
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#bind class name |
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globals()[engi] = getattr(engine_module, engi) |
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supported_engines.append(engi) |
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except: |
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pass |
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return supported_engines |
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def engines_to_xml(supported_engines): |
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""" Generates xml for supported engines """ |
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tab = " " * 4 |
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for short_name in supported_engines: |
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search_engine = globals()[short_name]() |
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supported_categories = "" |
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if hasattr(search_engine, "supported_categories"): |
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supported_categories = " ".join((key for key in search_engine.supported_categories.keys() |
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if key is not "all")) |
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yield "".join((tab, "<", short_name, ">\n", |
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tab, tab, "<name>", search_engine.name, "</name>\n", |
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tab, tab, "<url>", search_engine.url, "</url>\n", |
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tab, tab, "<categories>", supported_categories, "</categories>\n", |
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tab, "</", short_name, ">\n")) |
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def displayCapabilities(supported_engines): |
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""" |
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Display capabilities in XML format |
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<capabilities> |
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<engine_short_name> |
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<name>long name</name> |
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<url>http://example.com</url> |
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<categories>movies music games</categories> |
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</engine_short_name> |
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</capabilities> |
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""" |
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xml = "".join(("<capabilities>\n", |
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"".join(engines_to_xml(supported_engines)), |
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"</capabilities>")) |
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print(xml) |
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def run_search(engine_list): |
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""" Run search in engine |
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@retval False if any exceptions occured |
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@retval True otherwise |
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""" |
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engine, what, cat = engine_list |
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try: |
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engine = engine() |
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#avoid exceptions due to invalid category |
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if hasattr(engine, 'supported_categories'): |
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cat = cat if cat in engine.supported_categories else "all" |
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engine.search(what, cat) |
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else: |
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engine.search(what) |
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return True |
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except: |
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return False |
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def main(args): |
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fix_encoding() |
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supported_engines = initialize_engines() |
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if not args: |
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raise SystemExit("./nova2.py [all|engine1[,engine2]*] <category> <keywords>\n" |
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"available engines: %s" % (','.join(supported_engines))) |
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elif args[0] == "--capabilities": |
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displayCapabilities(supported_engines) |
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return |
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elif len(args) < 3: |
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raise SystemExit("./nova2.py [all|engine1[,engine2]*] <category> <keywords>\n" |
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"available engines: %s" % (','.join(supported_engines))) |
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engines_list = set(e.lower() for e in args[0].strip().split(',')) |
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if 'all' in engines_list: |
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engines_list = supported_engines |
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else: |
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#discard un-supported engines |
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engines_list = [engine for engine in engines_list |
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if engine in supported_engines] |
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if not engines_list: |
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#engine list is empty. Nothing to do here |
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return |
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cat = args[1].lower() |
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if cat not in CATEGORIES: |
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raise SystemExit(" - ".join(('Invalid category', cat))) |
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what = urllib.quote(' '.join(args[2:])) |
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if THREADED: |
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pool = Pool(min(len(engines_list), cpu_count())) |
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pool.map(run_search, ([globals()[engine], what, cat] for engine in engines_list)) |
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else: |
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_ = [run_search([globals()[engine], what, cat]) for engine in engines_list] |
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if __name__ == "__main__": |
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main(argv[1:]) |
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DoumanAsh
10 years ago