def to_timestamp(self, freq=None, how='S'): """ Return the Timestamp at the start/end of the period Parameters ---------- freq : string or DateOffset, default frequency of PeriodIndex Target frequency how: str, default 'S' (start) 'S', 'E'. Can be aliased as case insensitive 'Start', 'Finish', 'Begin', 'End' Returns ------- Timestamp """ if freq is None: base, mult = _gfc(self.freq) how = _validate_end_alias(how) if how == 'S': base = _freq_mod.get_to_timestamp_base(base) freq = _freq_mod._get_freq_str(base) new_val = self.asfreq(freq, how) else: new_val = self else: base, mult = _gfc(freq) new_val = self.asfreq(freq, how) dt64 = plib.period_ordinal_to_dt64(new_val.ordinal, base) return Timestamp(dt64)
def to_timestamp(self, freq=None, how='S'): """ Return the Timestamp at the start/end of the period Parameters ---------- freq : string or DateOffset, default frequency of PeriodIndex Target frequency how: str, default 'S' (start) 'S', 'E'. Can be aliased as case insensitive 'Start', 'Finish', 'Begin', 'End' Returns ------- Timestamp """ if freq is None: base, mult = _gfc(self.freq) new_val = self else: base, mult = _gfc(freq) new_val = self.asfreq(freq, how) dt64 = plib.period_ordinal_to_dt64(new_val.ordinal, base) ts_freq = _period_rule_to_timestamp_rule(new_val.freq, how=how) return Timestamp(dt64, offset=to_offset(ts_freq))
def to_timestamp(self, freq=None, how='start'): """ Return the Timestamp representation of the Period at the target frequency at the specified end (how) of the Period Parameters ---------- freq : string or DateOffset, default is 'D' if self.freq is week or longer and 'S' otherwise Target frequency how: str, default 'S' (start) 'S', 'E'. Can be aliased as case insensitive 'Start', 'Finish', 'Begin', 'End' Returns ------- Timestamp """ how = _validate_end_alias(how) if freq is None: base, mult = _gfc(self.freq) freq = _freq_mod.get_to_timestamp_base(base) base, mult = _gfc(freq) val = self.asfreq(freq, how) dt64 = plib.period_ordinal_to_dt64(val.ordinal, base) return Timestamp(dt64)
def to_timestamp(self, freq=None, how='S'): """ Return the Timestamp at the start/end of the period Parameters ---------- freq : string or DateOffset, default frequency of PeriodIndex Target frequency how: str, default 'S' (start) 'S', 'E'. Can be aliased as case insensitive 'Start', 'Finish', 'Begin', 'End' Returns ------- Timestamp """ # how = _validate_end_alias(how) if freq is None: base, mult = _gfc(self.freq) new_val = self else: base, mult = _gfc(freq) new_val = self.asfreq(freq, how) if mult != 1: raise ValueError('Only mult == 1 supported') dt64 = plib.period_ordinal_to_dt64(new_val.ordinal, base) ts_freq = _period_rule_to_timestamp_rule(new_val.freq, how=how) return Timestamp(dt64, offset=to_offset(ts_freq))