Returns True if upsampling is possible between source and target frequencies Parameters ---------- source : str or DateOffset Frequency converting from target : str or DateOffset Frequency converting to Returns ------- bool
(source, target)
| 508 | |
| 509 | |
| 510 | def is_superperiod(source, target) -> bool: |
| 511 | """ |
| 512 | Returns True if upsampling is possible between source and target |
| 513 | frequencies |
| 514 | |
| 515 | Parameters |
| 516 | ---------- |
| 517 | source : str or DateOffset |
| 518 | Frequency converting from |
| 519 | target : str or DateOffset |
| 520 | Frequency converting to |
| 521 | |
| 522 | Returns |
| 523 | ------- |
| 524 | bool |
| 525 | """ |
| 526 | if target is None or source is None: |
| 527 | return False |
| 528 | source = _maybe_coerce_freq(source) |
| 529 | target = _maybe_coerce_freq(target) |
| 530 | |
| 531 | if _is_annual(source): |
| 532 | if _is_annual(target): |
| 533 | return get_rule_month(source) == get_rule_month(target) |
| 534 | |
| 535 | if _is_quarterly(target): |
| 536 | smonth = get_rule_month(source) |
| 537 | tmonth = get_rule_month(target) |
| 538 | return _quarter_months_conform(smonth, tmonth) |
| 539 | return target in {"D", "C", "B", "M", "h", "min", "s", "ms", "us", "ns"} |
| 540 | elif _is_quarterly(source): |
| 541 | return target in {"D", "C", "B", "M", "h", "min", "s", "ms", "us", "ns"} |
| 542 | elif _is_monthly(source): |
| 543 | return target in {"D", "C", "B", "h", "min", "s", "ms", "us", "ns"} |
| 544 | elif _is_weekly(source): |
| 545 | return target in {source, "D", "C", "B", "h", "min", "s", "ms", "us", "ns"} |
| 546 | elif source == "B": |
| 547 | return target in {"D", "C", "B", "h", "min", "s", "ms", "us", "ns"} |
| 548 | elif source == "C": |
| 549 | return target in {"D", "C", "B", "h", "min", "s", "ms", "us", "ns"} |
| 550 | elif source == "D": |
| 551 | return target in {"D", "C", "B", "h", "min", "s", "ms", "us", "ns"} |
| 552 | elif source == "h": |
| 553 | return target in {"h", "min", "s", "ms", "us", "ns"} |
| 554 | elif source == "min": |
| 555 | return target in {"min", "s", "ms", "us", "ns"} |
| 556 | elif source == "s": |
| 557 | return target in {"s", "ms", "us", "ns"} |
| 558 | elif source == "ms": |
| 559 | return target in {"ms", "us", "ns"} |
| 560 | elif source == "us": |
| 561 | return target in {"us", "ns"} |
| 562 | elif source == "ns": |
| 563 | return target in {"ns"} |
| 564 | else: |
| 565 | return False |
| 566 | |
| 567 |