def download(self, url):
''' Download the content of a page for late usage. The content is saved to a file
with the url as filename
'''
resp, content = fetch(url)
write_to_file(urllib.parse.quote_plus(url), 'w',
content.decode('utf-8'))
def get_content_as_json(url):
resp, content = fetch(url)
assert resp.status == 200
# for some reason the content is in binary
content = content.decode("utf-8")
content = json.loads(content)
return content
def get_content_as_json(url):
resp, content = fetch(url)
assert resp.status == 200
# for some reason the content is in binary
content = content.decode("utf-8")
content = json.loads(content)
return content
def download_image(img_url, dir_name):
'''Downloads an image. Fails if request is redirected.
'''
response, img = fetch(img_url, 'GET')
if (response['content-location'] != img_url):
write_to_file(os.path.join(dir_name, 'image_not_found.txt'), 'w', "image at {0} was not found".format(img_url))
return False
img_name = os.path.basename(img_url)
write_to_file(os.path.join(dir_name, img_name), 'wb', img)
return True
def download_image(img_url, dir_name):
"""Downloads an image. Fails if request is redirected.
"""
response, img = fetch(img_url, "GET")
if response["content-location"] != img_url:
write_to_file(os.path.join(dir_name, "image_not_found.txt"), "w", "image at {0} was not found".format(img_url))
return False
img_name = os.path.basename(img_url)
write_to_file(os.path.join(dir_name, img_name), "wb", img)
return True
def grab_real_url(self, search_key):
''' Given the homepage and a key that identifies an item, try to search the
website for the item's "real" url.
Keyword arguments:
search_key -- key that uniquely identifies the item (e.g. image url)
'''
resp, content = fetch(self._search_url.format(search_key))
soup = bs(content)
result_list = soup.find('a', 'overhand')
url = result_list['href']
return url
def grab_real_url(self, search_key):
''' Given the homepage and a key that identifies an item, try to search the
website for the item's "real" url.
Keyword arguments:
search_key -- key that uniquely identifies the item (e.g. image url)
'''
resp, content = fetch(self._search_url.format(search_key))
soup = bs(content)
result_list = soup.find('a', 'overhand')
url = result_list['href']
return url
def get_item_info(self, url, image_url=None):
''' Given a item url and image url, returns a json representation of the item's
information. image url is usefl in case actual url is not - it can be used for finding
the item's "real" url
'''
path = re.split(self._URL_REGEX, url)[2]
if (path.strip() == ''):
if (image_url == None):
return None
# the url posted is just the homepage
url = self.grab_real_url(image_url)
# get content for item and parse it
resp, content = fetch(url)
item = self.scrape(content)
item.url = url
return item
def get_item_info(self, url, image_url=None):
''' Given a item url and image url, returns a json representation of the item's
information. image url is usefl in case actual url is not - it can be used for finding
the item's "real" url
'''
path = re.split(self._URL_REGEX, url)[2]
if (path.strip() == ''):
if (image_url==None):
return None
# the url posted is just the homepage
url = self.grab_real_url(image_url)
# get content for item and parse it
resp, content = fetch(url)
item = self.scrape(content)
item.url = url
return item
def download(self, url):
''' Download the content of a page for late usage. The content is saved to a file
with the url as filename
'''
resp, content = fetch(url)
write_to_file(urllib.parse.quote_plus(url), 'w', content.decode('utf-8'))
