def _parse_query(query):
coin, interval_string = _split_query(query)
coin = coin.upper()
coin2 = None
if '/' in coin:
coin, coin2 = coin.split('/', 1)
if coins_names.coin_name(coin) == '' and currencies_names.currency_name(
coin) == '':
raise SyntaxError("Invalid coin/currency name: %s" % coin)
if coin2 and coins_names.coin_name(
coin2) == '' and currencies_names.currency_name(coin2) == '':
raise SyntaxError("Invalid coin/currency name: %s" % coin2)
try:
time_begin, time_end = interval.parse_interval(interval_string)
except OverflowError:
# to be fixed: ranges like yesterday, today, now and so on
raise RuntimeError("Wrong range specification: %s" % interval_string)
if time_begin is None or time_end is None:
raise SyntaxError("Invalid time interval specification: %s" %
interval_string)
return coin, coin2, time_begin, time_end
def _make_header(self):
coin_symbol = self.data['meta']['symbol']
coin_name = coins_names.coin_name(coin_symbol)
meta = self.data['meta']
interval_name = interval.from_secs(self.interval)
time_interval = "%s +%s" % (self._format_time(
meta['time_begin']), interval_name)
#self._format_time(meta['time_end'], show_date=True, show_time=True),
output = "\n"
if self.currency == 'USD':
output += u"{-1▶ %s (%s) }{1▶}" % (coin_name, coin_symbol)
else:
currency_symbol = self.currency
currency_name = currencies_names.currency_name(self.currency)
if not currency_name:
currency_name = coins_names.coin_name(self.currency)
output += u"{-1▶ %s (%s) to %s (%s) }{1▶}" % \
(coin_name, coin_symbol, currency_name, currency_symbol)
#output += u"{1%s (%s)}," % (coin_name, coin_symbol)
output += " %s" % (time_interval)
output += " %s\n" % self._show_change_percentage()[1]
output += "\n\n"
return output
def _parse_query(query):
coin, interval_string = _split_query(query)
coin = coin.upper()
coin2 = None
if '/' in coin:
coin, coin2 = coin.split('/', 1)
if coins_names.coin_name(coin) == '' and currencies_names.currency_name(coin) == '':
raise SyntaxError("Invalid coin/currency name: %s" % coin)
if coin2 and coins_names.coin_name(coin2) == '' and currencies_names.currency_name(coin2) == '':
raise SyntaxError("Invalid coin/currency name: %s" % coin2)
try:
time_begin, time_end = interval.parse_interval(interval_string)
except OverflowError:
# to be fixed: ranges like yesterday, today, now and so on
raise RuntimeError("Wrong range specification: %s" % interval_string)
if time_begin is None or time_end is None:
raise SyntaxError("Invalid time interval specification: %s" % interval_string)
return coin, coin2, time_begin, time_end
def _make_header(self):
coin_symbol = self.data['meta']['symbol']
coin_name = coins_names.coin_name(coin_symbol)
meta = self.data['meta']
interval_name = interval.from_secs(self.interval)
time_interval = "%s +%s" % (
self._format_time(meta['time_begin']),
interval_name)
#self._format_time(meta['time_end'], show_date=True, show_time=True),
output = "\n"
if self.currency == 'USD':
output += u"{-1▶ %s (%s) }{1▶}" % (coin_name, coin_symbol)
else:
currency_symbol = self.currency
currency_name = currencies_names.currency_name(self.currency)
if not currency_name:
currency_name = coins_names.coin_name(self.currency)
output += u"{-1▶ %s (%s) to %s (%s) }{1▶}" % \
(coin_name, coin_symbol, currency_name, currency_symbol)
#output += u"{1%s (%s)}," % (coin_name, coin_symbol)
output += " %s" % (time_interval)
output += " %s\n" % self._show_change_percentage()[1]
output += "\n\n"
return output
def view(query, use_currency=None):
"""
Main rendering function, entry point for this module.
Returns rendered view for the ``query``.
If currency is specified in ``query``, it overrides ``currency``.
If ``currency`` is not specified, USD is used.
"""
try:
coin, coin2, time_begin, time_end = _parse_query(query)
except SyntaxError as e_msg:
raise RuntimeError("%s" % e_msg)
# if currency is specified in the domain name (use_currency)
# but not in the query, then we use it as the output currency
if use_currency \
and not coin2 \
and (coins_names.coin_name(use_currency) != '' \
or currencies_names.currency_name(use_currency) != ''):
coin2 = use_currency
print(coin2)
ticks = 80
if coin2:
data = aggregate.get_aggregated_pair(coin, coin2, time_begin, time_end,
ticks)
else:
data = aggregate.get_aggregated_coin(coin, time_begin, time_end, ticks)
if data['ticks'] == []:
raise RuntimeError("No data found for your query. Wrong range?")
#import json
#print json.dumps(data['meta'], indent=True)
warnings = []
if data['meta']['time_begin'] - time_begin > 3600 * 24:
warnings.append(
"for the moment, rate.sx has historical data only starting from 2018-Jan-07"
)
options = dict(
width=80,
height=25,
msg_interval='@' not in query,
currency=coin2 or 'USD',
warnings=warnings,
)
dia = Diagram(data, (time_begin, time_end), options=options)
return dia.make_view()
def view(query, use_currency=None):
"""
Main rendering function, entry point for this module.
Returns rendered view for the ``query``.
If currency is specified in ``query``, it overrides ``currency``.
If ``currency`` is not specified, USD is used.
"""
try:
coin, coin2, time_begin, time_end = _parse_query(query)
except SyntaxError as e_msg:
raise RuntimeError("%s" % e_msg)
# if currency is specified in the domain name (use_currency)
# but not in the query, then we use it as the output currency
if use_currency \
and not coin2 \
and (coins_names.coin_name(use_currency) != '' \
or currencies_names.currency_name(use_currency) != ''):
coin2 = use_currency
print coin2
ticks = 80
if coin2:
data = aggregate.get_aggregated_pair(coin, coin2, time_begin, time_end, ticks)
else:
data = aggregate.get_aggregated_coin(coin, time_begin, time_end, ticks)
if data['ticks'] == []:
raise RuntimeError("No data found for your query. Wrong range?")
#import json
#print json.dumps(data['meta'], indent=True)
warnings = []
if data['meta']['time_begin'] - time_begin > 3600*24:
warnings.append(
"for the moment, rate.sx has historical data only starting from 2018-Jan-07")
options = dict(
width=80,
height=25,
msg_interval='@' not in query,
currency=coin2 or 'USD',
warnings=warnings,
)
dia = Diagram(data, (time_begin, time_end), options=options)
return dia.make_view()
def get_data(query, use_currency=None):
try:
coin, coin2, time_begin, time_end = _parse_query(query)
except SyntaxError as e_msg:
raise RuntimeError("%s" % e_msg)
# if currency is specified in the domain name (use_currency)
# but not in the query, then we use it as the output currency
if use_currency \
and not coin2 \
and (coins_names.coin_name(use_currency) != '' \
or currencies_names.currency_name(use_currency) != ''):
coin2 = use_currency
ticks = 80
if coin2:
data = aggregate.get_aggregated_pair(coin, coin2, time_begin, time_end,
ticks)
else:
data = aggregate.get_aggregated_coin(coin, time_begin, time_end, ticks)
return data