我正在构建人口代码,用来自Google Places API的图片填充Django模型“City” .
这是模型:
class City(models.Model):
city_image = models.ImageField(blank=True, upload_to='city_pictures')
我构建了返回照片的API网址:
#fetch image from this url
city_image_url = ('https://maps.googleapis.com/maps/api/place/photo'
'?maxwidth=%s'
'&photoreference=%s'
'&key=%s') % (maxwidth, city_image_ref, GoogleKey)
Google表示回复是一张照片,我在Postman上对此进行了测试,所以我希望这样:
with urllib.request.urlopen(city_image_url) as response:
city_image = response
created_city = City.objects.get_or_create(city_id=city_id)[0]
created_city.city_image = city_image
#plus other fields
但我收到这个错误:
回溯(最近一次调用最后一次):文件“C:\ Users \ bnbih \ Djangos \ excurj_proj \ population_script.py”,第68行,在populate()文件“C:\ Users \ bnbih \ Djangos \ excurj_proj \ population_script.py”中“,第64行,在populate created_city.save()文件”C:\ Users \ bnbih \ AppData \ Local \ Programs \ Python \ Python36-32 \ lib \ site-packages \ django \ db \ models \ base.py“,第796行,保存force_update = force_update,update_fields = update_fields)文件“C:\ Users \ bnbih \ AppData \ Local \ Programs \ Python \ Python36-32 \ lib \ site-packages \ django \ db \ models \ base.py” ,第824行,在save_base中更新= self._save_table(raw,cls,force_insert,force_update,using,update_fields)文件“C:\ Users \ bnbih \ AppData \ Local \ Programs \ Python \ Python36-32 \ lib \ site-packages \ django \ db \ models \ base.py“,第886行,在_save_table中为f表示non_pks]文件”C:\ Users \ bnbih \ AppData \ Local \ Programs \ Python \ Python36-32 \ lib \ site-packages \ django \ db \ models \ base.py“,第886行,在for_pks中为f]文件”C:\ Users \ bnbih \ AppData \ Local \ Programs \ Python \ Python36-32 \ lib \ site-packages \ django \ db \ models \ fields \ files.py“,第290行,在pre_save中,如果是file而不是file._committed:AttributeError:'HTTPResponse'对象没有属性'_committed'
我正在使用Python 3和Django 1.10
2 回答
试试这个:
按照上面的答案和this tutorial
这有助于我将Google地方信息图像保存到ImageField:
First ,准备HTTP Response为图像的URL:
Second ,检索该实际图像并将其保存到变量:
Third ,在本地创建文件并将远程图像的内容写入其中:
Fourth ,打开包含图像的文件并将其转换为Django文件:
Fifth ,创建一个模型对象并将django文件保存在ImageField中,如下所示:
最后,这些是您需要的进口: