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venv/lib/python3.7/site-packages/django/forms/__init__.py

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+"""
+Django validation and HTML form handling.
+"""
+
+from django.core.exceptions import ValidationError  # NOQA
+from django.forms.boundfield import *  # NOQA
+from django.forms.fields import *  # NOQA
+from django.forms.forms import *  # NOQA
+from django.forms.formsets import *  # NOQA
+from django.forms.models import *  # NOQA
+from django.forms.widgets import *  # NOQA

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/attrs.html

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+{% for name, value in widget.attrs.items() %}{% if value is not sameas False %} {{ name }}{% if value is not sameas True %}="{{ value }}"{% endif %}{% endif %}{% endfor %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/checkbox.html

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+{% include "django/forms/widgets/input.html" %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/checkbox_select.html

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+{% include "django/forms/widgets/multiple_input.html" %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/clearable_file_input.html

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+{% if widget.is_initial %}{{ widget.initial_text }}: <a href="{{ widget.value.url }}">{{ widget.value }}</a>{% if not widget.required %}
+<input type="checkbox" name="{{ widget.checkbox_name }}" id="{{ widget.checkbox_id }}">
+<label for="{{ widget.checkbox_id }}">{{ widget.clear_checkbox_label }}</label>{% endif %}<br>
+{{ widget.input_text }}:{% endif %}
+<input type="{{ widget.type }}" name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/date.html

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+{% include "django/forms/widgets/input.html" %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/file.html

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+{% include "django/forms/widgets/input.html" %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/hidden.html

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+{% include "django/forms/widgets/input.html" %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/input.html

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+<input type="{{ widget.type }}" name="{{ widget.name }}"{% if widget.value != None %} value="{{ widget.value }}"{% endif %}{% include "django/forms/widgets/attrs.html" %}>

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/multiwidget.html

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+{% for widget in widget.subwidgets -%}{% include widget.template_name %}{%- endfor %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/radio.html

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+{% include "django/forms/widgets/multiple_input.html" %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/radio_option.html

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+{% include "django/forms/widgets/input_option.html" %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/select.html

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+<select name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>{% for group_name, group_choices, group_index in widget.optgroups %}{% if group_name %}
+  <optgroup label="{{ group_name }}">{% endif %}{% for widget in group_choices %}
+  {% include widget.template_name %}{% endfor %}{% if group_name %}
+  </optgroup>{% endif %}{% endfor %}
+</select>

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/select_date.html

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+{% include 'django/forms/widgets/multiwidget.html' %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/select_option.html

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+<option value="{{ widget.value }}"{% include "django/forms/widgets/attrs.html" %}>{{ widget.label }}</option>

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/splitdatetime.html

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+{% include 'django/forms/widgets/multiwidget.html' %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/splithiddendatetime.html

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+{% include 'django/forms/widgets/multiwidget.html' %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/time.html

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+{% include "django/forms/widgets/input.html" %}

venv/lib/python3.7/site-packages/django/forms/jinja2/django/forms/widgets/url.html

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+{% include "django/forms/widgets/input.html" %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/checkbox_select.html

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+{% include "django/forms/widgets/multiple_input.html" %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/email.html

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+{% include "django/forms/widgets/input.html" %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/file.html

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+{% include "django/forms/widgets/input.html" %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/hidden.html

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+{% include "django/forms/widgets/input.html" %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/input.html

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+<input type="{{ widget.type }}" name="{{ widget.name }}"{% if widget.value != None %} value="{{ widget.value|stringformat:'s' }}"{% endif %}{% include "django/forms/widgets/attrs.html" %}>

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/input_option.html

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+{% if widget.wrap_label %}<label{% if widget.attrs.id %} for="{{ widget.attrs.id }}"{% endif %}>{% endif %}{% include "django/forms/widgets/input.html" %}{% if widget.wrap_label %} {{ widget.label }}</label>{% endif %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/multiple_hidden.html

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+{% include "django/forms/widgets/multiwidget.html" %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/multiple_input.html

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+{% with id=widget.attrs.id %}<ul{% if id %} id="{{ id }}"{% endif %}{% if widget.attrs.class %} class="{{ widget.attrs.class }}"{% endif %}>{% for group, options, index in widget.optgroups %}{% if group %}
+  <li>{{ group }}<ul{% if id %} id="{{ id }}_{{ index }}"{% endif %}>{% endif %}{% for option in options %}
+    <li>{% include option.template_name with widget=option %}</li>{% endfor %}{% if group %}
+  </ul></li>{% endif %}{% endfor %}
+</ul>{% endwith %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/multiwidget.html

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+{% spaceless %}{% for widget in widget.subwidgets %}{% include widget.template_name %}{% endfor %}{% endspaceless %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/number.html

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+{% include "django/forms/widgets/input.html" %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/radio_option.html

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+{% include "django/forms/widgets/input_option.html" %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/select_date.html

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+{% include 'django/forms/widgets/multiwidget.html' %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/splithiddendatetime.html

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+{% include 'django/forms/widgets/multiwidget.html' %}

venv/lib/python3.7/site-packages/django/forms/templates/django/forms/widgets/time.html

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+{% include "django/forms/widgets/input.html" %}

venv/lib/python3.7/site-packages/django/forms/utils.py

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+import json
+from collections import UserList
+
+from django.conf import settings
+from django.core.exceptions import ValidationError  # backwards compatibility
+from django.utils import timezone
+from django.utils.html import escape, format_html, format_html_join, html_safe
+from django.utils.translation import gettext_lazy as _
+
+
+def pretty_name(name):
+    """Convert 'first_name' to 'First name'."""
+    if not name:
+        return ''
+    return name.replace('_', ' ').capitalize()
+
+
+def flatatt(attrs):
+    """
+    Convert a dictionary of attributes to a single string.
+    The returned string will contain a leading space followed by key="value",
+    XML-style pairs. In the case of a boolean value, the key will appear
+    without a value. It is assumed that the keys do not need to be
+    XML-escaped. If the passed dictionary is empty, then return an empty
+    string.
+
+    The result is passed through 'mark_safe' (by way of 'format_html_join').
+    """
+    key_value_attrs = []
+    boolean_attrs = []
+    for attr, value in attrs.items():
+        if isinstance(value, bool):
+            if value:
+                boolean_attrs.append((attr,))
+        elif value is not None:
+            key_value_attrs.append((attr, value))
+
+    return (
+        format_html_join('', ' {}="{}"', sorted(key_value_attrs)) +
+        format_html_join('', ' {}', sorted(boolean_attrs))
+    )
+
+
+@html_safe
+class ErrorDict(dict):
+    """
+    A collection of errors that knows how to display itself in various formats.
+
+    The dictionary keys are the field names, and the values are the errors.
+    """
+    def as_data(self):
+        return {f: e.as_data() for f, e in self.items()}
+
+    def get_json_data(self, escape_html=False):
+        return {f: e.get_json_data(escape_html) for f, e in self.items()}
+
+    def as_json(self, escape_html=False):
+        return json.dumps(self.get_json_data(escape_html))
+
+    def as_ul(self):
+        if not self:
+            return ''
+        return format_html(
+            '<ul class="errorlist">{}</ul>',
+            format_html_join('', '<li>{}{}</li>', self.items())
+        )
+
+    def as_text(self):
+        output = []
+        for field, errors in self.items():
+            output.append('* %s' % field)
+            output.append('\n'.join('  * %s' % e for e in errors))
+        return '\n'.join(output)
+
+    def __str__(self):
+        return self.as_ul()
+
+
+@html_safe
+class ErrorList(UserList, list):
+    """
+    A collection of errors that knows how to display itself in various formats.
+    """
+    def __init__(self, initlist=None, error_class=None):
+        super().__init__(initlist)
+
+        if error_class is None:
+            self.error_class = 'errorlist'
+        else:
+            self.error_class = 'errorlist {}'.format(error_class)
+
+    def as_data(self):
+        return ValidationError(self.data).error_list
+
+    def get_json_data(self, escape_html=False):
+        errors = []
+        for error in self.as_data():
+            message = next(iter(error))
+            errors.append({
+                'message': escape(message) if escape_html else message,
+                'code': error.code or '',
+            })
+        return errors
+
+    def as_json(self, escape_html=False):
+        return json.dumps(self.get_json_data(escape_html))
+
+    def as_ul(self):
+        if not self.data:
+            return ''
+
+        return format_html(
+            '<ul class="{}">{}</ul>',
+            self.error_class,
+            format_html_join('', '<li>{}</li>', ((e,) for e in self))
+        )
+
+    def as_text(self):
+        return '\n'.join('* %s' % e for e in self)
+
+    def __str__(self):
+        return self.as_ul()
+
+    def __repr__(self):
+        return repr(list(self))
+
+    def __contains__(self, item):
+        return item in list(self)
+
+    def __eq__(self, other):
+        return list(self) == other
+
+    def __getitem__(self, i):
+        error = self.data[i]
+        if isinstance(error, ValidationError):
+            return next(iter(error))
+        return error
+
+    def __reduce_ex__(self, *args, **kwargs):
+        # The `list` reduce function returns an iterator as the fourth element
+        # that is normally used for repopulating. Since we only inherit from
+        # `list` for `isinstance` backward compatibility (Refs #17413) we
+        # nullify this iterator as it would otherwise result in duplicate
+        # entries. (Refs #23594)
+        info = super(UserList, self).__reduce_ex__(*args, **kwargs)
+        return info[:3] + (None, None)
+
+
+# Utilities for time zone support in DateTimeField et al.
+
+def from_current_timezone(value):
+    """
+    When time zone support is enabled, convert naive datetimes
+    entered in the current time zone to aware datetimes.
+    """
+    if settings.USE_TZ and value is not None and timezone.is_naive(value):
+        current_timezone = timezone.get_current_timezone()
+        try:
+            return timezone.make_aware(value, current_timezone)
+        except Exception as exc:
+            raise ValidationError(
+                _('%(datetime)s couldn\'t be interpreted '
+                  'in time zone %(current_timezone)s; it '
+                  'may be ambiguous or it may not exist.'),
+                code='ambiguous_timezone',
+                params={'datetime': value, 'current_timezone': current_timezone}
+            ) from exc
+    return value
+
+
+def to_current_timezone(value):
+    """
+    When time zone support is enabled, convert aware datetimes
+    to naive datetimes in the current time zone for display.
+    """
+    if settings.USE_TZ and value is not None and timezone.is_aware(value):
+        return timezone.make_naive(value)
+    return value