Python script, ASCII text executable
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from app import app, _, n_
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import flask
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from datetime import datetime
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import markdown
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from markupsafe import Markup
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from urllib.parse import urlencode
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@app.template_global()
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def modify_query(**new_values):
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args = flask.request.args.copy()
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for key, value in new_values.items():
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args[key] = value
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return f"{flask.request.path}?{urlencode(args)}"
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@app.template_filter("split")
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def split(value: str, separator=" ", maxsplit: int = -1):
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return value.split(separator, maxsplit)
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@app.template_filter("splitlines")
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def splitlines(value: str, keepends: bool = False):
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return value.splitlines(keepends=keepends)
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@app.template_filter("lstrip")
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def lstrip(value: str, characters=None):
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return value.lstrip(characters)
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@app.template_filter("rstrip")
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def rstrip(value: str, characters=None):
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return value.rstrip(characters)
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@app.template_filter("strftime")
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def strftime(value: datetime, syntax: str):
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# Split the strftime syntax into placeholders and literals.
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placeholders = {
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"%a", "%A", "%w", "%d", "%-d", "%b", "%B", "%m", "%-m", "%y", "%Y",
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"%H", "%-H", "%I", "%-I", "%p", "%M", "%-M", "%S", "%-S", "%f", "%z",
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"%Z", "%j", "%-j", "%U", "%W", "%c", "%x", "%X", "%%", "%G", "%u", "%V",
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"%-V", "%s", "%:z", "%e"
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}
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tokens = []
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i = 0
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length = len(syntax)
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while i < length:
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if syntax[i] == "%":
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if i+1 < length and syntax[i:i + 2] in placeholders:
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tokens.append(syntax[i:i + 2])
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i += 2
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elif i+1 < length and syntax[i:i + 3] in placeholders:
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tokens.append(syntax[i:i + 3])
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i += 3
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else:
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tokens.append(syntax[i])
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i += 1
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else:
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tokens.append(syntax[i])
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i += 1
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new_tokens = []
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for token in tokens:
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match token:
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case "%A":
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# Translate the full weekday name.
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weekday_number = value.weekday()
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weekday_names = [
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_("Monday"),
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_("Tuesday"),
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_("Wednesday"),
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_("Thursday"),
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_("Friday"),
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_("Saturday"),
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_("Sunday")
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]
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new_tokens.append(weekday_names[weekday_number])
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case "%a":
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# Translate the abbreviated weekday name.
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weekday_number = value.weekday()
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weekday_names = [
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_("Mon"),
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_("Tue"),
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_("Wed"),
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_("Thu"),
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_("Fri"),
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_("Sat"),
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_("Sun")
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]
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new_tokens.append(weekday_names[weekday_number])
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case "%B":
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# Translate the full month name.
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month_number = value.month
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month_names = [
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_("January"),
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_("February"),
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_("March"),
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_("April"),
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_("May"),
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_("June"),
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_("July"),
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_("August"),
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_("September"),
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_("October"),
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_("November"),
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_("December")
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]
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new_tokens.append(month_names[month_number - 1])
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case "%b":
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# Translate the abbreviated month name.
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month_number = value.month
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month_names = [
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_("Jan"),
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_("Feb"),
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_("Mar"),
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_("Apr"),
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_("May (short)"),
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_("Jun"),
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_("Jul"),
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_("Aug"),
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_("Sep"),
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_("Oct"),
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_("Nov"),
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_("Dec")
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]
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new_tokens.append(month_names[month_number - 1])
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case "%p":
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# Translate the AM/PM indicator.
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if value.hour < 12:
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new_tokens.append(_("am"))
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else:
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new_tokens.append(_("pm"))
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case _:
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new_tokens.append(token)
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syntax = "".join([value.strftime(token) if token in placeholders else token for token in new_tokens])
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return value.strftime(syntax)
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@app.template_filter("unixtime")
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def unixtime(value: datetime):
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return round(value.timestamp())
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@app.template_filter("decode")
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def decode(value: bytes, codec: str = "UTF-8", errors: str = "strict"):
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return value.decode(codec, errors)
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@app.template_filter("markdown")
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def parse_markdown(value: str):
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return Markup(markdown.make_html(markdown.tokenise(value)))
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@app.template_filter("inline_markdown")
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def parse_inline_markdown(value: str):
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return Markup(markdown.make_html(markdown.parse_line(value)))
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@app.template_filter("parse_diff_location")
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def parse_diff_location(value: str):
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header = value.split("@@")[1].strip()
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return [tuple(int(j) for j in i.lstrip("-+").split(",")) for i in header.split(" ")]
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@app.template_filter("harvester_protection")
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def harvester_protection(value):
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return "".join(f"&#x{ord(char):x};" for char in value)
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@app.template_filter("sort")
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def sort(value):
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return sorted(value)
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