def __init__(self, store_uri=config.STORE_URI, connect=True):
ImagesPipeline.__init__(self, store_uri)
self.kafka = None
if connect:
self.initES()
self.initKafka()
self.initRedis()
def test_different_settings_for_different_instances(self):
"""
If there are two instances of ImagesPipeline class with different settings, they should
have different settings.
"""
custom_settings = self._generate_fake_settings()
default_settings = Settings()
default_sts_pipe = ImagesPipeline(self.tempdir, settings=default_settings)
user_sts_pipe = ImagesPipeline.from_settings(Settings(custom_settings))
for pipe_attr, settings_attr in self.img_cls_attribute_names:
expected_default_value = self.default_pipeline_settings.get(pipe_attr)
custom_value = custom_settings.get(settings_attr)
self.assertNotEqual(expected_default_value, custom_value)
self.assertEqual(getattr(default_sts_pipe, pipe_attr.lower()), expected_default_value)
self.assertEqual(getattr(user_sts_pipe, pipe_attr.lower()), custom_value)
def test_images_result_field(self):
another_pipeline = ImagesPipeline.from_settings(
Settings({
'IMAGES_STORE': self.tempdir,
'IMAGES_RESULT_FIELD': 'funny_field'
}))
self.assertEqual(self.pipeline.images_result_field,
self.default_settings.get('IMAGES_RESULT_FIELD'))
self.assertEqual(another_pipeline.images_result_field, 'funny_field')
def test_min_width(self):
another_pipeline = ImagesPipeline.from_settings(
Settings({
'IMAGES_STORE': self.tempdir,
'IMAGES_MIN_WIDTH': 42
}))
self.assertEqual(self.pipeline.min_width,
self.default_settings.getint('IMAGES_MIN_WIDTH'))
self.assertEqual(another_pipeline.min_width, 42)
def process_item(self, item, spider):
if item.get('image_urls'):
urls = item['image_urls']
item['image_urls'] = [
url for url in urls if not url.endswith(".gif")
]
return ImagesPipeline.process_item(self, item, spider)
else:
raise DropItem("Invalid Item")
def test_expires(self):
another_pipeline = ImagesPipeline.from_settings(
Settings({
'IMAGES_STORE': self.tempdir,
'IMAGES_EXPIRES': 42
}))
self.assertEqual(self.pipeline.expires,
self.default_settings.getint('IMAGES_EXPIRES'))
self.assertEqual(another_pipeline.expires, 42)
def test_min_height(self):
another_pipeline = ImagesPipeline.from_settings(
Settings({
'IMAGES_STORE': self.tempdir,
'IMAGES_MIN_HEIGHT': 42
}))
self.assertEqual(self.pipeline.min_height,
self.default_settings.getint('IMAGES_MIN_HEIGHT'))
self.assertEqual(another_pipeline.min_height, 42)
def test_thumbs(self):
custom_thumbs = {'small': (50, 50), 'big': (270, 270)}
another_pipeline = ImagesPipeline.from_settings(
Settings({
'IMAGES_STORE': self.tempdir,
'IMAGES_THUMBS': custom_thumbs
}))
self.assertEqual(self.pipeline.thumbs,
self.default_settings.get('IMAGES_THUMBS'))
self.assertEqual(another_pipeline.thumbs, custom_thumbs)
def test_item_fields_default(self):
url = 'http://www.example.com/images/1.jpg'
item = self.item_class(name='item1', image_urls=[url])
pipeline = ImagesPipeline.from_settings(Settings({'IMAGES_STORE': 's3://example/images/'}))
requests = list(pipeline.get_media_requests(item, None))
self.assertEqual(requests[0].url, url)
results = [(True, {'url': url})]
item = pipeline.item_completed(results, item, None)
images = ItemAdapter(item).get("images")
self.assertEqual(images, [results[0][1]])
self.assertIsInstance(item, self.item_class)
def file_path(self, request, response=None, info=None):
# проверяем поле , встравленно специльно чтобы хранить артикул в meta запроса
if self.get_article_meta(info) in request.meta:
# в лерой сам путь к картинке вроде хранит артикул - но вдруг они что то поменяют и тогда облом
# создаем более универсальный вариант. Хотя мне он не очень нравится. но пока лучше не нашел.....
# сохраняем картики в папке <артикулТовара>/<исходноеИмяКартинки>
targetfile = request.meta[self.get_article_meta(
info)] + '/' + request.url.split('/')[-1]
else:
targetfile = ImagesPipeline.file_path(self, request, response,
info)
return targetfile
def test_item_fields_default(self):
class TestItem(Item):
name = Field()
image_urls = Field()
images = Field()
for cls in TestItem, dict:
url = 'http://www.example.com/images/1.jpg'
item = cls({'name': 'item1', 'image_urls': [url]})
pipeline = ImagesPipeline.from_settings(Settings({'IMAGES_STORE': 's3://example/images/'}))
requests = list(pipeline.get_media_requests(item, None))
self.assertEqual(requests[0].url, url)
results = [(True, {'url': url})]
pipeline.item_completed(results, item, None)
self.assertEqual(item['images'], [results[0][1]])
def test_expires(self):
another_pipeline = ImagesPipeline.from_settings(Settings({'IMAGES_STORE': self.tempdir,
'IMAGES_EXPIRES': 42}))
self.assertEqual(self.pipeline.expires, self.default_settings.getint('IMAGES_EXPIRES'))
self.assertEqual(another_pipeline.expires, 42)
class ImagesPipelineTestCase(unittest.TestCase):
skip = skip_pillow
def setUp(self):
self.tempdir = mkdtemp()
self.pipeline = ImagesPipeline(self.tempdir,
download_func=_mocked_download_func)
def tearDown(self):
rmtree(self.tempdir)
def test_file_path(self):
file_path = self.pipeline.file_path
self.assertEqual(
file_path(Request("https://dev.mydeco.com/mydeco.gif")),
'full/3fd165099d8e71b8a48b2683946e64dbfad8b52d.jpg')
self.assertEqual(
file_path(
Request(
"http://www.maddiebrown.co.uk///catalogue-items//image_54642_12175_95307.jpg"
)), 'full/0ffcd85d563bca45e2f90becd0ca737bc58a00b2.jpg')
self.assertEqual(
file_path(
Request(
"https://dev.mydeco.com/two/dirs/with%20spaces%2Bsigns.gif"
)), 'full/b250e3a74fff2e4703e310048a5b13eba79379d2.jpg')
self.assertEqual(
file_path(
Request(
"http://www.dfsonline.co.uk/get_prod_image.php?img=status_0907_mdm.jpg"
)), 'full/4507be485f38b0da8a0be9eb2e1dfab8a19223f2.jpg')
self.assertEqual(
file_path(
Request(
"http://www.dorma.co.uk/images/product_details/2532/")),
'full/97ee6f8a46cbbb418ea91502fd24176865cf39b2.jpg')
self.assertEqual(
file_path(
Request("http://www.dorma.co.uk/images/product_details/2532")),
'full/244e0dd7d96a3b7b01f54eded250c9e272577aa1.jpg')
self.assertEqual(
file_path(
Request("http://www.dorma.co.uk/images/product_details/2532"),
response=Response(
"http://www.dorma.co.uk/images/product_details/2532"),
info=object()),
'full/244e0dd7d96a3b7b01f54eded250c9e272577aa1.jpg')
def test_thumbnail_name(self):
thumb_path = self.pipeline.thumb_path
name = '50'
self.assertEqual(
thumb_path(Request("file:///tmp/foo.jpg"), name),
'thumbs/50/38a86208c36e59d4404db9e37ce04be863ef0335.jpg')
self.assertEqual(
thumb_path(Request("file://foo.png"), name),
'thumbs/50/e55b765eba0ec7348e50a1df496040449071b96a.jpg')
self.assertEqual(
thumb_path(Request("file:///tmp/foo"), name),
'thumbs/50/0329ad83ebb8e93ea7c7906d46e9ed55f7349a50.jpg')
self.assertEqual(
thumb_path(Request("file:///tmp/some.name/foo"), name),
'thumbs/50/850233df65a5b83361798f532f1fc549cd13cbe9.jpg')
self.assertEqual(
thumb_path(Request("file:///tmp/some.name/foo"),
name,
response=Response("file:///tmp/some.name/foo"),
info=object()),
'thumbs/50/850233df65a5b83361798f532f1fc549cd13cbe9.jpg')
def test_invalid_image_downloaded(self):
image_downloaded = self.pipeline.image_downloaded
self.assertEqual(
image_downloaded(
response=Response('https://scrapy.org/img/scrapylogo.png'),
request=Request('https://scrapy.org/img/scrapylogo.png'),
info=object()), 'f4c913a7bbd3b8edf0a1433a1655ab16')
self.assertEqual(
image_downloaded(
response=Response(
'https://img01.mgo-images.com/image/thumbnail?id=MSRE18FBB98AF3BD2EF21EF2283708829B8A'
),
request=Request(
'https://img01.mgo-images.com/image/thumbnail?id=MSRE18FBB98AF3BD2EF21EF2283708829B8A'
),
info=object()), 'None')
self.assertEqual(
image_downloaded(
response=Response(
'http://racedata.gr/wp-content/uploads/2017/01/man3-252x300.jpg'
),
request=Request(
'http://racedata.gr/wp-content/uploads/2017/01/man3-252x300.jpg'
),
info=object()), '95dd6a450ecfefbd5916635c5dc11a03')
def test_logger_image_downloaded(self):
image_downloaded = self.pipeline.image_downloaded
with self.assertLogs() as cm:
image_downloaded(
response=Response(
'https://img01.mgo-images.com/image/thumbnail?id=MSRE18FBB98AF3BD2EF21EF2283708829B8A'
),
request=Request(
'https://img01.mgo-images.com/image/thumbnail?id=MSRE18FBB98AF3BD2EF21EF2283708829B8A'
),
info=object())
self.assertEqual('INFO:', __name__, 'Could not process image',
cm.output)
with self.assertRaises(OSError):
image_downloaded(
response=Response(
'https://img01.mgo-images.com/image/thumbnail?id=MSRE18FBB98AF3BD2EF21EF2283708829B8A'
),
request=Request(
'https://img01.mgo-images.com/image/thumbnail?id=MSRE18FBB98AF3BD2EF21EF2283708829B8A'
),
info=object())
def test_convert_image(self):
SIZE = (100, 100)
# straigh forward case: RGB and JPEG
COLOUR = (0, 127, 255)
im = _create_image('JPEG', 'RGB', SIZE, COLOUR)
converted, _ = self.pipeline.convert_image(im)
self.assertEqual(converted.mode, 'RGB')
self.assertEqual(converted.getcolors(), [(10000, COLOUR)])
# check that thumbnail keep image ratio
thumbnail, _ = self.pipeline.convert_image(converted, size=(10, 25))
self.assertEqual(thumbnail.mode, 'RGB')
self.assertEqual(thumbnail.size, (10, 10))
# transparency case: RGBA and PNG
COLOUR = (0, 127, 255, 50)
im = _create_image('PNG', 'RGBA', SIZE, COLOUR)
converted, _ = self.pipeline.convert_image(im)
self.assertEqual(converted.mode, 'RGB')
self.assertEqual(converted.getcolors(), [(10000, (205, 230, 255))])
# transparency case with palette: P and PNG
COLOUR = (0, 127, 255, 50)
im = _create_image('PNG', 'RGBA', SIZE, COLOUR)
im = im.convert('P')
converted, _ = self.pipeline.convert_image(im)
self.assertEqual(converted.mode, 'RGB')
self.assertEqual(converted.getcolors(), [(10000, (205, 230, 255))])
class ImagesPipelineTestCase(unittest.TestCase):
skip = skip
def setUp(self):
self.tempdir = mkdtemp()
self.pipeline = ImagesPipeline(self.tempdir, download_func=_mocked_download_func)
def tearDown(self):
rmtree(self.tempdir)
def test_file_path(self):
file_path = self.pipeline.file_path
self.assertEqual(file_path(Request("https://dev.mydeco.com/mydeco.gif")),
'full/3fd165099d8e71b8a48b2683946e64dbfad8b52d.jpg')
self.assertEqual(file_path(Request("http://www.maddiebrown.co.uk///catalogue-items//image_54642_12175_95307.jpg")),
'full/0ffcd85d563bca45e2f90becd0ca737bc58a00b2.jpg')
self.assertEqual(file_path(Request("https://dev.mydeco.com/two/dirs/with%20spaces%2Bsigns.gif")),
'full/b250e3a74fff2e4703e310048a5b13eba79379d2.jpg')
self.assertEqual(file_path(Request("http://www.dfsonline.co.uk/get_prod_image.php?img=status_0907_mdm.jpg")),
'full/4507be485f38b0da8a0be9eb2e1dfab8a19223f2.jpg')
self.assertEqual(file_path(Request("http://www.dorma.co.uk/images/product_details/2532/")),
'full/97ee6f8a46cbbb418ea91502fd24176865cf39b2.jpg')
self.assertEqual(file_path(Request("http://www.dorma.co.uk/images/product_details/2532")),
'full/244e0dd7d96a3b7b01f54eded250c9e272577aa1.jpg')
self.assertEqual(file_path(Request("http://www.dorma.co.uk/images/product_details/2532"),
response=Response("http://www.dorma.co.uk/images/product_details/2532"),
info=object()),
'full/244e0dd7d96a3b7b01f54eded250c9e272577aa1.jpg')
def test_thumbnail_name(self):
thumb_path = self.pipeline.thumb_path
name = '50'
self.assertEqual(thumb_path(Request("file:///tmp/foo.jpg"), name),
'thumbs/50/38a86208c36e59d4404db9e37ce04be863ef0335.jpg')
self.assertEqual(thumb_path(Request("file://foo.png"), name),
'thumbs/50/e55b765eba0ec7348e50a1df496040449071b96a.jpg')
self.assertEqual(thumb_path(Request("file:///tmp/foo"), name),
'thumbs/50/0329ad83ebb8e93ea7c7906d46e9ed55f7349a50.jpg')
self.assertEqual(thumb_path(Request("file:///tmp/some.name/foo"), name),
'thumbs/50/850233df65a5b83361798f532f1fc549cd13cbe9.jpg')
self.assertEqual(thumb_path(Request("file:///tmp/some.name/foo"), name,
response=Response("file:///tmp/some.name/foo"),
info=object()),
'thumbs/50/850233df65a5b83361798f532f1fc549cd13cbe9.jpg')
def test_convert_image(self):
SIZE = (100, 100)
# straigh forward case: RGB and JPEG
COLOUR = (0, 127, 255)
im = _create_image('JPEG', 'RGB', SIZE, COLOUR)
converted, _ = self.pipeline.convert_image(im)
self.assertEquals(converted.mode, 'RGB')
self.assertEquals(converted.getcolors(), [(10000, COLOUR)])
# check that thumbnail keep image ratio
thumbnail, _ = self.pipeline.convert_image(converted, size=(10, 25))
self.assertEquals(thumbnail.mode, 'RGB')
self.assertEquals(thumbnail.size, (10, 10))
# transparency case: RGBA and PNG
COLOUR = (0, 127, 255, 50)
im = _create_image('PNG', 'RGBA', SIZE, COLOUR)
converted, _ = self.pipeline.convert_image(im)
self.assertEquals(converted.mode, 'RGB')
self.assertEquals(converted.getcolors(), [(10000, (205, 230, 255))])
def setUp(self):
self.tempdir = mkdtemp()
self.pipeline = ImagesPipeline(self.tempdir)
self.default_settings = Settings()
def test_thumbs(self):
custom_thumbs = {'small': (50, 50), 'big': (270, 270)}
another_pipeline = ImagesPipeline.from_settings(Settings({'IMAGES_STORE': self.tempdir,
'IMAGES_THUMBS': custom_thumbs}))
self.assertEqual(self.pipeline.thumbs, self.default_settings.get('IMAGES_THUMBS'))
self.assertEqual(another_pipeline.thumbs, custom_thumbs)
def test_min_height(self):
another_pipeline = ImagesPipeline.from_settings(Settings({'IMAGES_STORE': self.tempdir,
'IMAGES_MIN_HEIGHT': 42}))
self.assertEqual(self.pipeline.min_height, self.default_settings.getint('IMAGES_MIN_HEIGHT'))
self.assertEqual(another_pipeline.min_height, 42)
def test_min_width(self):
another_pipeline = ImagesPipeline.from_settings(Settings({'IMAGES_STORE': self.tempdir,
'IMAGES_MIN_WIDTH': 42}))
self.assertEqual(self.pipeline.min_width, self.default_settings.getint('IMAGES_MIN_WIDTH'))
self.assertEqual(another_pipeline.min_width, 42)
def test_images_result_field(self):
another_pipeline = ImagesPipeline.from_settings(Settings({'IMAGES_STORE': self.tempdir,
'IMAGES_RESULT_FIELD': 'funny_field'}))
self.assertEqual(self.pipeline.images_result_field, self.default_settings.get('IMAGES_RESULT_FIELD'))
self.assertEqual(another_pipeline.images_result_field, 'funny_field')
def setUp(self):
self.tempdir = mkdtemp()
self.pipeline = ImagesPipeline(self.tempdir, download_func=_mocked_download_func)
def process_item(self, item, spider):
self.spider = spider
return ImagesPipeline.process_item(self, item, spider)
