Convert from datetime in UTC to datetime in local time
(self, dt)
| 116 | return self._find_trans(dt).tzname |
| 117 | |
| 118 | def fromutc(self, dt): |
| 119 | """Convert from datetime in UTC to datetime in local time""" |
| 120 | |
| 121 | if not isinstance(dt, datetime): |
| 122 | raise TypeError("fromutc() requires a datetime argument") |
| 123 | if dt.tzinfo is not self: |
| 124 | raise ValueError("dt.tzinfo is not self") |
| 125 | |
| 126 | timestamp = self._get_local_timestamp(dt) |
| 127 | num_trans = len(self._trans_utc) |
| 128 | |
| 129 | if num_trans >= 1 and timestamp < self._trans_utc[0]: |
| 130 | tti = self._tti_before |
| 131 | fold = 0 |
| 132 | elif ( |
| 133 | num_trans == 0 or timestamp > self._trans_utc[-1] |
| 134 | ) and not isinstance(self._tz_after, _ttinfo): |
| 135 | tti, fold = self._tz_after.get_trans_info_fromutc( |
| 136 | timestamp, dt.year |
| 137 | ) |
| 138 | elif num_trans == 0: |
| 139 | tti = self._tz_after |
| 140 | fold = 0 |
| 141 | else: |
| 142 | idx = bisect.bisect_right(self._trans_utc, timestamp) |
| 143 | |
| 144 | if num_trans > 1 and timestamp >= self._trans_utc[1]: |
| 145 | tti_prev, tti = self._ttinfos[idx - 2 : idx] |
| 146 | elif timestamp > self._trans_utc[-1]: |
| 147 | tti_prev = self._ttinfos[-1] |
| 148 | tti = self._tz_after |
| 149 | else: |
| 150 | tti_prev = self._tti_before |
| 151 | tti = self._ttinfos[0] |
| 152 | |
| 153 | # Detect fold |
| 154 | shift = tti_prev.utcoff - tti.utcoff |
| 155 | fold = shift.total_seconds() > timestamp - self._trans_utc[idx - 1] |
| 156 | dt += tti.utcoff |
| 157 | if fold: |
| 158 | return dt.replace(fold=1) |
| 159 | else: |
| 160 | return dt |
| 161 | |
| 162 | def _find_trans(self, dt): |
| 163 | if dt is None: |
nothing calls this directly
no test coverage detected