def fetch_exchange_rates():
"""Retrieve all currency exchange rates.
Batch currencies into requests of `SYMBOLS_PER_REQUEST` currencies each.
Returns:
list: List of `{abbr : n.nn}` dicts of exchange rates
(relative to EUR).
"""
rates = {}
futures = []
active = load_active_currencies()
syms = [s for s in CURRENCIES.keys() if s in active]
if not OPENX_APP_KEY:
log.warning('fetching limited set of fiat currency exchange rates: '
'APP_KEY for openexchangerates.org not set. '
'Please sign up for a free account here: '
'https://openexchangerates.org/signup/free')
jobs = [(load_xra_rates, (syms, ))]
else:
jobs = [(load_openx_rates, (syms, ))]
syms = []
for s in CRYPTO_CURRENCIES.keys():
if s in CURRENCIES:
log.warning(
'ignoring crytopcurrency "%s", as it conflicts with '
'a fiat currency', s)
continue
if s in active:
syms.append(s)
for symbols in grouper(SYMBOLS_PER_REQUEST, syms):
jobs.append((load_cryptocurrency_rates, (symbols, )))
# fetch data in a thread pool
pool = Pool(2)
for job in jobs:
futures.append(pool.apply_async(*job))
pool.close()
pool.join()
for f in futures:
for currency, rate in f.get().iteritems():
if is_valid_currency(currency) and is_valid_exchange_rate(rate):
rates[currency] = rate
log.debug("Currency %s has new rate %s", currency, rate)
else:
log.warn("Got invalid rate update for currency '%s' to '%s'",
currency, rate)
return rates
def handle_delimited_query(query):
"""Process sub-commands.
Args:
query (str): User query
"""
# Currencies or decimal places
if query.endswith(DELIMITER): # User deleted trailing space
run_trigger('config')
# subprocess.call(['osascript', '-e', ALFRED_AS])
# return
mode, query = [s.strip() for s in query.split(DELIMITER)]
if mode == 'currencies':
currencies = sorted([(name, symbol)
for (symbol, name) in CURRENCIES.items()] +
[(name, symbol)
for (symbol, name) in CRYPTO_CURRENCIES.items()])
if query:
currencies = wf.filter(query,
currencies,
key=lambda t: ' '.join(t),
match_on=MATCH_ALL ^ MATCH_ALLCHARS,
min_score=30)
else: # Show last update time
age = wf.cached_data_age(CURRENCY_CACHE_NAME)
if age > 0: # Exchange rates in cache
td = timedelta(seconds=age)
wf.add_item('Exchange rates updated {}'.format(
human_timedelta(td)),
icon=ICON_INFO)
if not currencies:
wf.add_item('No matching currencies',
'Try a different query',
icon=ICON_WARNING)
for name, symbol in currencies:
wf.add_item(u'{} // {}'.format(name, symbol),
u'Use `{}` in conversions'.format(symbol),
copytext=symbol,
valid=False,
icon=ICON_CURRENCY)
wf.send_feedback()
def handle_delimited_query(query):
"""Process sub-commands.
Args:
query (str): User query
"""
# Currencies or decimal places
if query.endswith(DELIMITER): # User deleted trailing space
run_trigger('config')
# subprocess.call(['osascript', '-e', ALFRED_AS])
# return
mode, query = [s.strip() for s in query.split(DELIMITER)]
if mode == 'currencies':
currencies = sorted([(name, symbol) for (symbol, name)
in CURRENCIES.items()] +
[(name, symbol) for (symbol, name)
in CRYPTO_CURRENCIES.items()])
if query:
currencies = wf.filter(query, currencies,
key=lambda t: ' '.join(t),
match_on=MATCH_ALL ^ MATCH_ALLCHARS,
min_score=30)
else: # Show last update time
age = wf.cached_data_age(CURRENCY_CACHE_NAME)
if age > 0: # Exchange rates in cache
td = timedelta(seconds=age)
wf.add_item('Exchange rates updated {}'.format(
human_timedelta(td)),
icon=ICON_INFO)
if not currencies:
wf.add_item('No matching currencies',
'Try a different query',
icon=ICON_WARNING)
for name, symbol in currencies:
wf.add_item(u'{} // {}'.format(name, symbol),
u'Use `{}` in conversions'.format(symbol),
copytext=symbol,
valid=False,
icon=ICON_CURRENCY)
wf.send_feedback()
def fetch_exchange_rates():
"""Retrieve all currency exchange rates.
Batch currencies into requests of `SYMBOLS_PER_REQUEST` currencies each.
Returns:
list: List of `{abbr : n.nn}` dicts of exchange rates
(relative to EUR).
"""
rates = {}
futures = []
active = load_active_currencies()
syms = [s for s in CURRENCIES.keys() if s in active]
# rates.update(load_openx_rates(syms))
jobs = [(load_openx_rates, (syms, ))]
syms = []
for s in CRYPTO_CURRENCIES.keys():
if s in CURRENCIES:
log.warning(
'ignoring crytopcurrency "%s", as it conflicts with '
'a fiat currency', s)
continue
if s in active:
syms.append(s)
# syms = [s for s in CRYPTO_CURRENCIES.keys() if s in active]
for symbols in grouper(SYMBOLS_PER_REQUEST, syms):
jobs.append((load_cryptocurrency_rates, (symbols, )))
# fetch data in a thread pool
pool = Pool(2)
for job in jobs:
futures.append(pool.apply_async(*job))
pool.close()
pool.join()
for f in futures:
rates.update(f.get())
return rates
def fetch_exchange_rates():
"""Retrieve all currency exchange rates.
Batch currencies into requests of `SYMBOLS_PER_REQUEST` currencies each.
Returns:
list: List of `{abbr : n.nn}` dicts of exchange rates
(relative to EUR).
"""
rates = {}
futures = []
active = load_active_currencies()
syms = [s for s in CURRENCIES.keys() if s in active]
# rates.update(load_openx_rates(syms))
jobs = [(load_openx_rates, (syms,))]
syms = []
for s in CRYPTO_CURRENCIES.keys():
if s in CURRENCIES:
log.warning('ignoring crytopcurrency "%s", as it conflicts with '
'a fiat currency', s)
continue
if s in active:
syms.append(s)
# syms = [s for s in CRYPTO_CURRENCIES.keys() if s in active]
for symbols in grouper(SYMBOLS_PER_REQUEST, syms):
jobs.append((load_cryptocurrency_rates, (symbols,)))
# fetch data in a thread pool
pool = Pool(2)
for job in jobs:
futures.append(pool.apply_async(*job))
pool.close()
pool.join()
for f in futures:
rates.update(f.get())
return rates
def fetch_exchange_rates():
"""Retrieve all currency exchange rates.
Batch currencies into requests of `SYMBOLS_PER_REQUEST` currencies each.
Returns:
list: List of `{abbr : n.nn}` dicts of exchange rates
(relative to EUR).
"""
rates = {}
futures = []
active = load_active_currencies()
# batch symbols into groups and interleave requests to the
# different services
yjobs = []
syms = [s for s in CURRENCIES.keys() if s in active]
for symbols in grouper(SYMBOLS_PER_REQUEST, syms):
yjobs.append((load_yahoo_rates, (symbols,)))
cjobs = []
syms = [sym for sym in CRYPTO_CURRENCIES.keys() if sym in active]
for symbols in grouper(SYMBOLS_PER_REQUEST, syms):
cjobs.append((load_cryptocurrency_rates, (symbols,)))
# fetch data in a thread pool
pool = Pool(4)
for job in interleave(yjobs, cjobs):
futures.append(pool.apply_async(*job))
pool.close()
pool.join()
for f in futures:
rates.update(f.get())
return rates