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""" |
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byceps.util.templatefilters |
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~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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Provide and register custom template filters. |
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:Copyright: 2006-2021 Jochen Kupperschmidt |
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:License: Revised BSD (see `LICENSE` file for details) |
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""" |
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from flask_babel import gettext |
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from jinja2 import pass_eval_context |
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from jinja2.filters import do_default, do_trim |
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from markupsafe import Markup |
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from .datetime import format as dateformat |
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from .datetime.timezone import utc_to_local_tz |
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from . import money |
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@pass_eval_context |
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def dim(eval_ctx, value): |
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"""Render value in a way so that it looks dimmed.""" |
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dimmed = _dim(value) |
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return _wrap_markup_on_autoescape(eval_ctx, dimmed) |
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def _dim(value): |
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return f'<span class="dimmed">{value}</span>' |
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@pass_eval_context |
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def fallback(eval_ctx, value, fallback=None): |
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defaulted = do_trim(do_default(value, '', True)) |
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if defaulted: |
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result = value |
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else: |
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if fallback is None: |
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fallback = gettext('not specified') |
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result = _dim(fallback) |
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return _wrap_markup_on_autoescape(eval_ctx, result) |
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def _wrap_markup_on_autoescape(eval_ctx, value): |
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return Markup(value) if eval_ctx.autoescape else value |
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def register(app): |
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"""Make functions available as template filters.""" |
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functions = [ |
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dateformat.format_custom, |
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dateformat.format_date_iso, |
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dateformat.format_date_short, |
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dateformat.format_date_long, |
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dateformat.format_datetime_iso, |
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dateformat.format_datetime_short, |
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dateformat.format_datetime_long, |
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dateformat.format_time, |
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dim, |
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fallback, |
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money.format_euro_amount, |
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utc_to_local_tz, |
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] |
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for f in functions: |
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app.add_template_filter(f) |
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byceps /
byceps
