init project

demo/adminx.py

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+# -*- coding: utf-8 -*-
+import xadmin
+import xadmin.views as xviews
+from xadmin.layout import Main, Fieldset, Side
+
+from .models import Banner
+
+
+class BaseSetting(object):
+    enable_themes = True
+    use_bootswatch = True
+
+xadmin.site.register(xviews.BaseAdminView, BaseSetting)
+
+
+class AdminSettings(object):
+    global_search_models = [Banner]
+    site_title = 'QiniuFields'
+    site_footer = 'QiniuFields Inc. 2017'
+    menu_style = 'default'  # accordion
+
+    def get_site_menu(self):
+        return (
+            {'title': '内容管理', 'menus': (
+                {'title': 'Banner', 'icon': 'fa fa-gift', 'url': self.get_model_url(Banner, 'changelist')},
+            )},
+        )
+
+xadmin.site.register(xviews.CommAdminView, AdminSettings)
+
+
+class BannerAdmin(object):
+    list_display = ('title', 'banner_img', 'created_time')
+    search_fields = ['title']
+    form_layout = (
+        Main(Fieldset(u'基本信息', 'title', 'img_url')),
+        Side(Fieldset(u'其他信息', 'created_time', 'updated_time'))
+    )
+    readonly_fields = ('created_time', 'updated_time')
+
+
+xadmin.site.register(Banner, BannerAdmin)

demo/apps.py

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+from django.apps import AppConfig
+
+
+class DemoConfig(AppConfig):
+    name = 'demo'

demo/migrations/0001_initial.py

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+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2017-09-28 12:23
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import qiniu_fields.fields
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Banner',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=100, verbose_name='标题')),
+                ('img_url', qiniu_fields.fields.QiniuFileField(max_length=500, verbose_name='图片')),
+                ('created_time', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('updated_time', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+            ],
+            options={
+                'verbose_name_plural': 'Banner',
+                'verbose_name': 'Banner',
+            },
+        ),
+    ]

demo/models.py

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+from django.db import models
+from django.utils.html import format_html
+
+from qiniu_fields import QiniuFileField
+
+
+class Banner(models.Model):
+    title = models.CharField(max_length=100, verbose_name='标题')
+    img_url = QiniuFileField(prefix='banner', file_type='image', verbose_name='图片')
+    created_time = models.DateTimeField(auto_now_add=True, verbose_name='创建时间')
+    updated_time = models.DateTimeField(auto_now=True, verbose_name='更新时间')
+
+    def __str__(self):
+        return self.title
+
+    def banner_img(self):
+        return format_html('<img src="{}" style="height: 45px;"/>', self.img_url)
+    banner_img.short_description = u'图片'
+    banner_img.allow_tags = True
+
+    class Meta:
+        app_label = 'demo'
+        verbose_name = 'Banner'
+        verbose_name_plural = 'Banner'

demo/qiniu_utils.py

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+# -*- coding: utf-8 -*-
+import hashlib
+
+from django.conf import settings
+
+from qiniu import Auth, BucketManager, put_file, build_batch_delete
+
+
+EXPIRE_TIME = 24 * 3600   # 1 day
+
+Q = Auth(settings.QINIU_ACCESS_KEY, settings.QINIU_SECRET_KEY)
+
+
+def get_token():
+    token = Q.upload_token(settings.QINIU_BUCKET, expires=EXPIRE_TIME)
+    return token
+
+
+def delete_data(urls, key_prefix=''):
+    keys = []
+    for url in urls:
+        if not url.endswith('/'):
+            url += '/'
+        key = url.split('/')[-2]
+        if key_prefix:
+            key = '%s/%s' % (key_prefix, key)
+        keys.append(key)
+
+    ops = build_batch_delete(settings.QINIU_BUCKET, keys)
+    b = BucketManager(Q)
+    ret, info = b.batch(ops)
+    print(ret, info)
+
+
+def upload_file(file_data, key_prefix=''):
+    file_ext = file_data.name.split('.')[-1]
+    file_name = '.'.join([hashlib.md5(file_data.read()).hexdigest(), file_ext])
+    if key_prefix and not key_prefix.endswith('/'):
+        key_prefix += '/'
+    key = '%s%s' % (key_prefix, file_name)
+    token = get_token()
+
+    ret, info = put_file(token, key, file_data.temporary_file_path(), check_crc=False)
+    if not ret or ret.get('key') != key:
+        print('fail to upload image to qiniu, info: %s' % info)
+
+    return settings.QINIU_DOMAIN + key

demo/views.py

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+#! -*- coding: utf-8 -*-
+from django.contrib.auth.decorators import login_required
+from django.http import JsonResponse
+
+from . import qiniu_utils
+
+
+@login_required
+def get_qiniu_token(request):
+    return JsonResponse({'uptoken': qiniu_utils.get_token()})

manage.py

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+#!/usr/bin/env python
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "qiniu_fields_demo.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError:
+        # The above import may fail for some other reason. Ensure that the
+        # issue is really that Django is missing to avoid masking other
+        # exceptions on Python 2.
+        try:
+            import django
+        except ImportError:
+            raise ImportError(
+                "Couldn't import Django. Are you sure it's installed and "
+                "available on your PYTHONPATH environment variable? Did you "
+                "forget to activate a virtual environment?"
+            )
+        raise
+    execute_from_command_line(sys.argv)

qiniu_fields/__init__.py

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+from .fields import QiniuFileField, QiniuFileListField
+
+__all__ = ["QiniuFileField", "QiniuFileListField"]

qiniu_fields/fields.py

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+#! -*- coding: utf-8 -*-
+from django.db import models
+
+from .widgets import QiniuFileWidget, QiniuFileListWidget
+from .forms import QiniuFileFormField
+
+
+class QiniuFileField(models.URLField):
+    widget_clz = QiniuFileWidget
+    form_field_clz = QiniuFileFormField
+
+    def __init__(self, verbose_name=None, name=None, prefix='', file_type='all', **kwargs):
+        self.prefix = prefix
+        self.file_type = file_type
+        kwargs['max_length'] = 500
+        super(QiniuFileField, self).__init__(verbose_name, name, **kwargs)
+
+    def formfield(self, **kwargs):
+        self.form_field_clz.prefix = self.prefix
+        self.form_field_clz.file_type = self.file_type
+        kwargs.update({
+            'form_class': self.form_field_clz,
+            'widget': self.widget_clz(attrs={'prefix': self.prefix, 'file_type': self.file_type})
+        })
+        return super(QiniuFileField, self).formfield(**kwargs)
+
+
+class QiniuFileListField(models.TextField):
+
+    def __init__(self, *args, prefix='', file_type='all', **kwargs):
+        self.prefix = prefix
+        self.file_type = file_type
+        super(QiniuFileListField, self).__init__(*args, **kwargs)
+
+    def formfield(self, **kwargs):
+        kwargs.update({
+            'widget': QiniuFileListWidget(attrs={'prefix': self.prefix, 'file_type': self.file_type}),
+        })
+        return super(QiniuFileListField, self).formfield(**kwargs)

qiniu_fields/forms.py

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+#! -*- coding: utf-8 -*-
+from django import forms
+
+from .widgets import QiniuFileWidget, QiniuFileListWidget
+
+
+class QiniuFileFormField(forms.URLField):
+    prefix = ''
+    file_type = 'all'
+    widget = QiniuFileWidget
+
+    def __init__(self, *args, **kwargs):
+        kwargs["widget"] = QiniuFileWidget(attrs={'prefix': self.prefix, 'file_type': self.file_type})
+        super(QiniuFileFormField, self).__init__(*args, **kwargs)