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g0v0-server/app/utils.py
2025-08-20 04:24:00 +00:00

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from __future__ import annotations
from datetime import datetime
def unix_timestamp_to_windows(timestamp: int) -> int:
"""Convert a Unix timestamp to a Windows timestamp."""
return (timestamp + 62135596800) * 10_000_000
def camel_to_snake(name: str) -> str:
"""Convert a camelCase string to snake_case."""
result = []
last_chr = ""
for char in name:
if char.isupper():
if not last_chr.isupper() and result:
result.append("_")
result.append(char.lower())
else:
result.append(char)
last_chr = char
return "".join(result)
def snake_to_camel(name: str, use_abbr: bool = True) -> str:
"""Convert a snake_case string to camelCase."""
if not name:
return name
parts = name.split("_")
if not parts:
return name
# 常见缩写词列表
abbreviations = {
"id",
"url",
"api",
"http",
"https",
"xml",
"json",
"css",
"html",
"sql",
"db",
}
result = []
for part in parts:
if part.lower() in abbreviations and use_abbr:
result.append(part.upper())
else:
if result:
result.append(part.capitalize())
else:
result.append(part.lower())
return "".join(result)
def snake_to_pascal(name: str, use_abbr: bool = True) -> str:
"""Convert a snake_case string to PascalCase."""
if not name:
return name
parts = name.split("_")
if not parts:
return name
# 常见缩写词列表
abbreviations = {
"id",
"url",
"api",
"http",
"https",
"xml",
"json",
"css",
"html",
"sql",
"db",
}
result = []
for part in parts:
if part.lower() in abbreviations and use_abbr:
result.append(part.upper())
else:
result.append(part.capitalize())
return "".join(result)
def are_adjacent_weeks(dt1: datetime, dt2: datetime) -> bool:
y1, w1, _ = dt1.isocalendar()
y2, w2, _ = dt2.isocalendar()
# 按 (年, 周) 排序,保证 dt1 <= dt2
if (y1, w1) > (y2, w2):
y1, w1, y2, w2 = y2, w2, y1, w1
# 同一年,周数相邻
if y1 == y2 and w2 - w1 == 1:
return True
# 跨年,判断 y2 是否是下一年,且 w2 == 1并且 w1 是 y1 的最后一周
if y2 == y1 + 1 and w2 == 1:
# 判断 y1 的最后一周是多少
last_week_y1 = datetime(y1, 12, 28).isocalendar()[1] # 12-28 保证在最后一周
if w1 == last_week_y1:
return True
return False
def are_same_weeks(dt1: datetime, dt2: datetime) -> bool:
return dt1.isocalendar()[:2] == dt2.isocalendar()[:2]