def add_questions(exercise_node, question_list):
EXPECTED_QUESTION_TYPES = [
INPUT_QUESTION, MULTIPLE_SELECTION, SINGLE_SELECTION, FREE_RESPONSE,
PERSEUS_QUESTION
]
for q in question_list:
question_type = q.get('question_type')
if question_type not in EXPECTED_QUESTION_TYPES:
LOGGER.critical(question_type)
raise NotImplementedError(
'Unexpected question type found in channel json.')
question_text = q.get('question')
hints = q.get('hints')
hints = hints if isinstance(hints,
str) else [hint for hint in hints or []]
if question_type == exercises.MULTIPLE_SELECTION:
q_obj = questions.MultipleSelectQuestion(
id=q['id'],
question=question_text,
correct_answers=[answer for answer in q['correct_answers']],
all_answers=[answer for answer in q['all_answers']],
hints=hints,
)
exercise_node.add_question(q_obj)
elif question_type == exercises.SINGLE_SELECTION:
q_obj = questions.SingleSelectQuestion(
id=q['id'],
question=question_text,
correct_answer=q['correct_answer'],
all_answers=[answer for answer in q['all_answers']],
hints=hints,
)
exercise_node.add_question(q_obj)
elif question_type == exercises.INPUT_QUESTION:
q_obj = questions.InputQuestion(
id=q['id'],
question=question_text,
answers=[answer for answer in q['answers']],
hints=hints,
)
exercise_node.add_question(q_obj)
elif question_type == exercises.PERSEUS_QUESTION:
q_obj = questions.PerseusQuestion(
id=q['id'],
raw_data=q.get('item_data'),
source_url="https://www.khanacademy.org/",
)
exercise_node.add_question(q_obj)
else:
raise UnknownQuestionTypeError(
"Unrecognized question type '{0}': accepted types are {1}".
format(question_type,
[key for key, value in exercises.question_choices]))
def get_html5_app_zip_path(slug):
resp = session.get(READ_URL.format(slug))
if resp.status_code == 200:
resp = resp.json()
else:
LOGGER.info('The story {} is not available.\n'.format(slug))
return None
content = ""
for page in (resp['data']['pages']):
soup = BeautifulSoup(page['html'], 'html.parser')
if page.get('coverImage', None):
img_src = page['coverImage']['sizes'][-1]['url']
soup.img['src'] = img_src
content = content + "\n" + str(soup)
context = {'content': content}
handle, destination = tempfile.mkstemp(suffix=".zip")
os.close(handle)
htmlwriter = HTMLWriter(destination)
with htmlwriter as f:
index_html = TEMPLATE_ENVIRONMENT.get_template('indexfile').render(
context)
f.write_index_contents(index_html)
LOGGER.info(destination)
return destination
def _get_youtube_info(self, use_proxy=True, use_cache=True, options=None):
youtube_info = None
# 1. Try to get from cache if allowed:
if os.path.exists(self.cache_path) and use_cache:
LOGGER.info("==> [%s] Retrieving cached information...", self.__str__())
youtube_info = json.load(open(self.cache_path))
# 2. Fetch info from youtube_dl
if not youtube_info:
LOGGER.info("==> [%s] Requesting info from youtube...", self.__str__())
os.makedirs(self.cache_dir, exist_ok=True)
try:
youtube_resource = YouTubeResource(self.url, useproxy=use_proxy)
except youtube_dl.utils.ExtractorError as e:
if "unavailable" in str(e):
LOGGER.error("==> [%s] Resource unavailable for URL: %s", self.__str__, self.url)
return None
if youtube_resource:
try:
# Save YouTube info to JSON cache file
youtube_info = youtube_resource.get_resource_info(options)
if youtube_info:
json.dump(youtube_info,
open(self.cache_path, 'w'),
indent=4,
ensure_ascii=False,
sort_keys=True)
else:
LOGGER.error("==> [%s] Failed to extract YouTube info", self.__str__())
except Exception as e:
LOGGER.error("==> [%s] Failed to get YouTube info: %s", self.__str__(), e)
return None
return youtube_info
def process(self):
if 'fonts' in self.link: # Omit google fonts
self.tag.decompose()
return
# Parse urls in css (using parseString because it is much faster than parseUrl)
style_sheet = downloader.read(self.link).decode('utf-8-sig',
errors='ignore')
sheet = cssutils.parseString(style_sheet)
for css_url in cssutils.getUrls(sheet):
if not css_url.startswith('data:image') and not css_url.startswith(
'data:application'):
try:
style_sheet = style_sheet.replace(
css_url,
os.path.basename(
self.write_url(css_url,
url=self.link,
default_ext='.png')))
except BROKEN_EXCEPTIONS as e:
LOGGER.warn(
'Unable to download stylesheet url at {} ({})'.format(
self.url, str(e)))
self.tag[self.attribute] = self.format_url(
self.write_contents(self.get_filename(self.link), style_sheet))
return self.tag[self.attribute]
def is_media_file(self, url):
"""
Makes a HEAD request for `url` and reuturns (vertict, head_response),
where verdict is True if `url` points to a media file (.pdf, .docx, etc.)
"""
head_response = self.make_request(url, method='HEAD')
if head_response:
content_type = head_response.headers.get('content-type', None)
if not content_type:
LOGGER.warning(
'HEAD response does not have `content-type` header. url = '
+ url)
return (False, None)
if content_type in self.MEDIA_CONTENT_TYPES:
return (True, head_response)
else:
return (False, head_response)
else:
LOGGER.warning('HEAD request failed for url ' + url)
# Fallback strategy: try to guess if media link based on extension
for media_ext in self.MEDIA_FILE_FORMATS:
if url.endswith('.' + media_ext):
return (True, None)
# if all else fails, assume False
return (False, None)
def scrape_video_menu(url):
""" Scrape videos from url
Args:
url (str): url to scrape from (e.g. https://www.exploratorium.edu/video/subjects)
Returns TopicNode containing all videos
"""
LOGGER.info("SCRAPING VIDEOS...")
video_topic = nodes.TopicNode(title="Videos",
source_id="main-topic-videos")
contents = BeautifulSoup(read(url), 'html5lib')
for subject in contents.find_all('div', {'class': 'subject'}):
title = subject.find('div', {
'class': 'name'
}).text.strip().replace("’", "'")
LOGGER.info(" {}".format(title))
topic = nodes.TopicNode(
title=title,
source_id="videos-{}".format(title),
thumbnail=get_thumbnail_url(subject.find('img')['src']),
)
video_topic.add_child(topic)
scrape_video_subject(subject.find('a')['href'], topic)
return video_topic
def get_subtitle_languages(youtube_id):
"""
Returns a list of the subtitle language codes available for a given video.
We'll try to get the list using two approach:
1. The Youtube API (works for public videos when YOUTUBE_API_KEY defined)
2. Slow by using YouTubeResource, which in turn calls youtube_dl
"""
# Check if we already have the lang_codes list for this youtube_id cached...
cache_filename = '{}__lang_codes.json'.format(youtube_id)
cache_filepath = os.path.join(SUBTITLE_LANGUAGES_CACHE_DIR, cache_filename)
if os.path.exists(cache_filepath): # Cache hit!
with open(cache_filepath) as jsonf:
cache_data = json.load(jsonf)
return cache_data['lang_codes']
if YOUTUBE_API_KEY:
try:
lang_codes = get_subtitles_using_api(youtube_id)
return lang_codes
except HttpError as e:
LOGGER.info("Can't access API for video {} ...".format(youtube_id))
lang_codes = get_subtitles_using_youtube_dl(youtube_id)
# Cache the results in chefdata/sublangscache/{youtube_id}__lang_codes.json
cache_data = {"lang_codes": lang_codes}
with open(cache_filepath, 'w') as jsonf:
json.dump(cache_data, jsonf, ensure_ascii=True)
return lang_codes
def recursive_extract_website_games(subtree):
"""
Processes all child nodes of the subtree then calls itself on any folder-like
child nodes. Weird, I know, but it works so I'm not touching it.
"""
if 'children' in subtree:
# do processing
new_children = []
for child in subtree['children']:
child_url = child['url']
if child['kind'] == 'PrathamZipResource':
if is_website_game(child_url):
# extract all game names referenced in manual curation Excel file to process separately...
child_url = child_url.replace(
'https://www.prathamopenschool.org/CourseContent/Games/',
'')
child_url = child_url.replace(
'http://www.prathamopenschool.org/CourseContent/Games/',
'')
child['title_en'] = child_url.replace('.zip', '')
print('EXTRACTED game name', child['title_en'],
'form url', child['url'])
website_games.append(child)
else:
# leave other games where they are
LOGGER.info('Undocumented game-like web resource ' +
child['url'])
new_children.append(child)
else:
# leave other content as is
new_children.append(child)
#
# recurse
for child in subtree['children']:
recursive_extract_website_games(child)
def pre_run(self, args, options):
"""
Build the ricecooker json tree for the channel.
The code here is similar to the code in `ricecooker_channel/chef.py`, but
the channel hiearachy is build using dictionary objects instead of classes.
"""
LOGGER.info('In pre_run...')
# 1. Create the channel tree
ricecooker_json_tree = dict(
title='Sample JSON channel',
source_domain='source.org',
source_id='sample-json-channel',
description='This channel was created from the files in the content/ ' \
+ 'directory and the metadata in sample_ricecooker_json_tree.json',
thumbnail='./content/sample-json-channel-files/channel_thumbnail.jpg',
language='en',
children=[],
)
# The root object of the ricecooker json tree contains the channel info;
# add topic and content nodes and to the children list to build the tree.
# 2. Add topics nodes and content nodes as to the tree
self.create_content_nodes(ricecooker_json_tree)
self.create_exercise_nodes(ricecooker_json_tree)
# 3. Save the tree to chefdata/trees/sample_ricecooker_json_tree.json
json_tree_path = self.get_json_tree_path()
write_tree_to_json_tree(json_tree_path, ricecooker_json_tree)
LOGGER.info('Finished writing ricecooker json tree.')
def website_game_webresouce_to_ricecooker_node(lang, web_resource):
"""
Create Ricecooker Json structure for game from web resource dict `web_resource`.
"""
game_node = dict(
kind=content_kinds.HTML5,
source_id=web_resource['source_id'],
language=lang,
title=web_resource['title'],
description='source_url=' + web_resource['url'] if DEBUG_MODE else '',
license=PRADIGI_LICENSE,
thumbnail=web_resource.get('thumbnail_url'),
files=[],
)
zip_tmp_path = get_zip_file(web_resource['url'], web_resource['main_file'])
if zip_tmp_path:
zip_file = dict(
file_type=file_types.HTML5,
path=zip_tmp_path,
language=lang,
)
game_node['files'].append(zip_file)
LOGGER.debug('Created HTML5AppNode for game ' + web_resource['title'])
return game_node
else:
LOGGER.error('Failed to create zip for game at url=' +
web_resource['url'])
return None
def make_request(url, *args, **kwargs):
response = sess.get(url, *args, **kwargs)
if response.status_code != 200:
LOGGER.debug("NOT FOUND:" + url)
elif not response.from_cache:
LOGGER.debug("NOT CACHED:" + url)
return response
def on_page(self, url, page, context):
"""
Basic handler that appends current page to parent's children list and
adds all links on current page to the crawling queue.
"""
LOGGER.debug('in on_page ' + url)
page_dict = dict(
kind='PageWebResource',
url=url,
children=[],
)
page_dict.update(context)
# attach this page as another child in parent page
context['parent']['children'].append(page_dict)
links = page.find_all('a')
for i, link in enumerate(links):
if link.has_attr('href'):
link_url = urljoin(url, link['href'])
if self.should_ignore_url(link_url):
pass
# Uncomment three lines below for debugging to record ignored links
# ignored_rsrc_dict = self.create_ignored_url_dict(link_url)
# ignored_rsrc_dict['parent'] = page_dict
# page_dict['children'].append(page_dict)
else:
self.enqueue_url_and_context(link_url,
{'parent': page_dict})
else:
pass
def load_pradigi_structure(which=None):
csv_path = download_structure_csv(which=which)
struct_list = []
with open(csv_path, 'r') as csvfile:
reader = csv.DictReader(csvfile,
fieldnames=PRADIGI_SHEET_CSV_FILEDNAMES)
next(reader) # Skip Headers row
next(reader) # Skip info line
for row in reader:
clean_row = _clean_dict(row)
if clean_row[SUBJECT_KEY] is None:
continue # skip blank lines (identified by missing subject col)
if clean_row[AGE_GROUP_KEY] in PRADIGI_AGE_GROUPS and clean_row[
SUBJECT_KEY] in PRADIGI_SUBJECTS:
resource_type = clean_row[RESOURCE_TYPE_KEY]
if resource_type == 'Game' and clean_row[GAMENAME_KEY]:
# make sure Game Name is present when specifying a game
struct_list.append(clean_row)
elif resource_type == 'Website Resources':
struct_list.append(clean_row)
else:
LOGGER.warning('Problem with structure row {}'.format(
str(clean_row)))
else:
LOGGER.warning('Unrecognized structure row {}'.format(
str(clean_row)))
return struct_list
def add_subpages_from_wikipedia_list(topic, list_url):
""" add_subpages_from_wikipedia_list: Parses wiki pages and creates corresponding files
To understand how the following parsing works, look at:
1. the source of the page (e.g. https://en.wikipedia.org/wiki/List_of_citrus_fruits), or inspect in chrome dev tools
2. the documentation for BeautifulSoup version 4: https://www.crummy.com/software/BeautifulSoup/bs4/doc/
"""
page = read_source(list_url) # Parse the the page into BeautifulSoup format, so we can loop through and manipulate it
table = page.find("table") # Extract the main table from the page
# Loop through all the rows in the table
for row in table.find_all("tr"):
columns = row.find_all("td") # Extract the columns (cells, really) within the current row
if not columns: # Some rows are empty, so just skip
continue
link = columns[0].find("a") # Get the link to the subpage
if not link: # Some rows don't have links, so skip
continue
# Extract the URL and title for the subpage
url = make_fully_qualified_url(link["href"])
title = link.text
LOGGER.info(" Writing {}...".format(title))
# Attempt to extract a thumbnail for the subpage, from the second column in the table
image = columns[1].find("img")
thumbnail_url = make_fully_qualified_url(image["src"]) if image else None
if thumbnail_url and not (thumbnail_url.endswith("jpg") or thumbnail_url.endswith("png")):
thumbnail_url = None
# Download the wikipedia page into an HTML5 app node
html5app = download_wikipedia_page(url, thumbnail=thumbnail_url, title=title)
# Add the downloaded HTML5 app node into the topic
topic.add_child(html5app)
def apply_corrections_by_node_id(api, channel_tree, channel_id, corrections_by_node_id):
"""
Given a dict `corrections_by_node_id` of the form,
{
'nodes_modified': {
'<node_id (str)>': { modification dict1 },
'<node_id (str)>': { modification dict2 },
}
'nodes_added': {
'<node_id (str)>': { 'new_parent': (str), 'attributes': {...}},
},
'nodes_deleted': {
'<node_id (str)>': {'old_parent': (str), 'attributes': {...}},
},
'nodes_moved': {
'<node_id (str)>': {'old_parent': (str), 'new_parent': (str), 'attributes': {...}},
},
}
this function will make the appropriate Studio API calls to apply the patch.
"""
LOGGER.debug('Applying corrections...')
#
# Modifications
for node_id, modifications_dict in corrections_by_node_id['nodes_modified'].items():
apply_modifications_for_node_id(api, channel_tree, node_id, modifications_dict)
#
# Deletions
for node_id, deletion_dict in corrections_by_node_id['nodes_deleted'].items():
apply_deletion_for_node_id(api, channel_tree, channel_id, node_id, deletion_dict)
def construct_channel(self, *args, **kwargs):
""" construct_channel: Creates ChannelNode and build topic tree
Solar Spell is organized with the following hierarchy(Sample):
Creative Arts (source_id = dir-creative-arts)
|--- Culinary Arts (source_id = dir-culinary-arts)
|--- |--- Real Pasifik 2 introducing Chef Alexis Tahiapuhe of Tahiti (source_id = file-real pasifik 2 introducing chef lela bolobolo of fiji.mp4)
|--- Pacific Islands Arts and Culture(source_id = dir_pacific_islands_arts_and_culture)
|--- |--- Cook Islands National Cultural Policy 10 July 2017_final english (File)
|--- Teaching Resources and Classroom Activities
Environment (source_id = dir-environment)
|--- Adapting to Climate Change
|--- |--- Action Against Climate Change Tuvalu Water and climate change
|--- Climate Change Info
|--- |--- Animated Pacific Island Climate Change Videos
...
Returns: ChannelNode
"""
LOGGER.info("Constructing channel from {}...".format(BASE_URL))
channel = self.get_channel(
*args,
**kwargs) # Creates ChannelNode from data in self.channel_info
LOGGER.info(' Writing {} Folder...'.format(CHANNEL_NAME))
endpoint = BASE_URL + "content/"
scrape_content(endpoint, channel)
raise_for_invalid_channel(
channel) # Check for errors in channel construction
return channel
def keep_folder(raw_path):
keep = True
for pattern in DIR_EXCLUDE_PATTERNS:
if pattern in raw_path:
LOGGER.debug('rejecting', raw_path)
keep = False
return keep
def scrape_snack_subject(slug, topic):
""" Scrape snack subject page
Args:
slug (str): url slug to scrape from (e.g. /subject/arts)
topic (TopicNode): topic to add html nodes to
"""
contents = BeautifulSoup(read(slug), 'html5lib')
for activity in contents.find_all('div', {'class': 'activity'}):
LOGGER.info(" {}".format(activity.find('h5').text.strip()))
# Scrape snack pages into zips
write_to_path, tags = scrape_snack_page(activity.find('a')['href'])
if not write_to_path:
continue
# Create html node
description = activity.find('div', {'class': 'pod-description'})
topic.add_child(
nodes.HTML5AppNode(
source_id=activity.find('a')['href'],
title=activity.find('h5').text.strip().replace("’", "'"),
description=description.text.strip() if description else "",
license=LICENSE,
copyright_holder=COPYRIGHT_HOLDER,
files=[files.HTMLZipFile(path=write_to_path)],
thumbnail=get_thumbnail_url(activity.find('img')['src']),
tags=tags,
))
# Scrape next page (if any)
next_page_url = get_next_page_url(contents)
if next_page_url:
scrape_snack_subject(next_page_url, topic)
def get_nodes_by_ids_complete(self, studio_id):
headers = {"Authorization": "Token {0}".format(self.token)}
url = NODES_ENDPOINT + studio_id
LOGGER.info(' GET ' + url)
response = requests.get(url, headers=headers)
studio_node = response.json()[0]
return studio_node
def construct_channel(self, *args, **kwargs):
""" construct_channel: Creates ChannelNode and build topic tree
Wikipedia is organized with the following hierarchy:
Citrus (Folder)
| Citrus Page HTML Zip (File)
Potatoes (Folder)
| Potatoes Page HTML Zip (File)
Returns: ChannelNode
"""
LOGGER.info("Constructing channel from {}...".format(BASE_URL))
channel = self.get_channel(
*args,
**kwargs) # Creates ChannelNode from data in self.channel_info
create_topic(channel, "Citrus!",
"List_of_citrus_fruits") # Add Citrus folder
create_topic(channel, "Potatoes!",
"List_of_potato_cultivars") # Add Potatoes folder
raise_for_invalid_channel(
channel) # Check for errors in channel construction
return channel
def write_question_row_from_question_dict(self, source_id, question_dict):
file_path = get_metadata_file_path(self.channeldir, self.questionsinfo)
with open(file_path, 'a') as csv_file:
csvwriter = csv.DictWriter(csv_file, EXERCISE_QUESTIONS_INFO_HEADER)
def _safe_list_get(l, idx, default):
try:
return l[idx]
except IndexError:
return default
# change image links to local
question_dict = self._make_local_question_images(question_dict)
type_lookup = {
'single_selection': exercises.SINGLE_SELECTION,
'true_false': exercises.SINGLE_SELECTION,
'multiple_selection': exercises.MULTIPLE_SELECTION,
'input_question': exercises.INPUT_QUESTION,
}
# ANSWERS
answers = json.loads(question_dict['answers'])
options = [] # all options
correct = [] # correct andwers
for ans in answers:
options.append(ans['answer'])
if ans['correct']:
correct.append(ans['answer'])
extra_options = DEFAULT_EXTRA_ITEMS_SEPARATOR.join(options[5:])
# HINTS
hints_raw = json.loads(question_dict['hints'])
if hints_raw:
raise ValueError('Found hints but not handled..')
LOGGER.info(' - writing question with studio_id=' + question_dict['assessment_id'])
question_row = {}
question_row[EXERCISE_SOURCEID_KEY] = source_id
question_row[EXERCISE_QUESTIONS_QUESTIONID_KEY] = question_dict['assessment_id'] # question_dict['assessment_id']
question_row[EXERCISE_QUESTIONS_TYPE_KEY] = type_lookup[question_dict['type']]
question_row[EXERCISE_QUESTIONS_QUESTION_KEY] = question_dict['question']
question_row[EXERCISE_QUESTIONS_OPTION_A_KEY] = _safe_list_get(options, 0, None)
question_row[EXERCISE_QUESTIONS_OPTION_B_KEY] = _safe_list_get(options, 1, None)
question_row[EXERCISE_QUESTIONS_OPTION_C_KEY] = _safe_list_get(options, 2, None)
question_row[EXERCISE_QUESTIONS_OPTION_D_KEY] = _safe_list_get(options, 3, None)
question_row[EXERCISE_QUESTIONS_OPTION_E_KEY] = _safe_list_get(options, 4, None)
question_row[EXERCISE_QUESTIONS_OPTION_FGHI_KEY] = extra_options
question_row[EXERCISE_QUESTIONS_CORRECT_ANSWER_KEY] = _safe_list_get(correct, 0, None)
question_row[EXERCISE_QUESTIONS_CORRECT_ANSWER2_KEY] = _safe_list_get(correct, 1, None)
question_row[EXERCISE_QUESTIONS_CORRECT_ANSWER3_KEY] = _safe_list_get(correct, 2, None)
question_row[EXERCISE_QUESTIONS_HINT_1_KEY] = None # TODO
question_row[EXERCISE_QUESTIONS_HINT_2_KEY] = None # TODO
question_row[EXERCISE_QUESTIONS_HINT_3_KEY] = None # TODO
question_row[EXERCISE_QUESTIONS_HINT_4_KEY] = None # TODO
question_row[EXERCISE_QUESTIONS_HINT_5_KEY] = None # TODO
question_row[EXERCISE_QUESTIONS_HINT_6789_KEY] = None # TODO
# WRITE QUESTION ROW
csvwriter.writerow(question_row)
def process_folder(channel, rel_path, filenames, metadata_provider):
"""
Create `ContentNode`s from each file in this folder and the node to `channel`
under the path `rel_path`.
"""
LOGGER.debug('IN process_folder ' + str(rel_path) + ' ' + str(filenames))
if not keep_folder(rel_path):
return
chan_path = chan_path_from_rel_path(rel_path, metadata_provider.channeldir)
chan_path_tuple = path_to_tuple(chan_path)
chan_path_list = list(chan_path_tuple)
LOGGER.debug('chan_path_list=' + str(chan_path_list))
# FIND THE CONTAINING NODE (channel or topic)
if len(chan_path_list) == 1:
# CASE CHANNEL ROOT: `rel_path` points to `channeldir`
# No need to create a topic node here since channel already exists
containing_node = channel # attach content nodes in filenames directly to channel
else:
# CASE TOPIC FOLDER: `rel_path` points to a channelroot subfolder (a.k.a TopicNode)
dirname = chan_path_list.pop() # name of the folder (used as ID for internal lookup)
topic_parent_node = get_topic_for_path(channel, chan_path_list)
# read topic metadata to get title and description for the TopicNode
topic_metadata = metadata_provider.get(chan_path_tuple)
thumbnail_chan_path = topic_metadata.get('thumbnail_chan_path', None)
if thumbnail_chan_path:
thumbnail_rel_path = rel_path_from_chan_path(thumbnail_chan_path, metadata_provider.channeldir)
else:
thumbnail_rel_path = None
# create TopicNode for this folder
topic = dict(
kind=TOPIC_NODE,
dirname=dirname,
source_id='sourceid:' + rel_path,
title=topic_metadata.get('title', dirname),
description=topic_metadata.get('description', None),
author=topic_metadata.get('author', None),
language=topic_metadata.get('language', None),
license=topic_metadata.get('license', None),
thumbnail=thumbnail_rel_path,
children=[],
)
topic_parent_node['children'].append(topic)
containing_node = topic # attach content nodes in filenames to the newly created topic
# filter filenames
filenames_cleaned = filter_filenames(filenames)
filenames_cleaned2 = filter_thumbnail_files(chan_path, filenames_cleaned, metadata_provider)
# PROCESS FILES
for filename in filenames_cleaned2:
chan_filepath = os.path.join(chan_path, filename)
chan_filepath_tuple = path_to_tuple(chan_filepath)
metadata = metadata_provider.get(chan_filepath_tuple)
node = make_content_node(metadata_provider.channeldir, rel_path, filename, metadata)
containing_node['children'].append(node) # attach content node to containing_node
def to_tag(self, filename=None):
try:
img = self.create_tag('img')
img['src'] = self.to_zip(filename=filename)
return img
except BROKEN_EXCEPTIONS as e:
LOGGER.error(str(e))
return self.create_broken_link_message(self.url)
def construct_channel(self, *args, **kwargs):
channel = self.get_channel(
*args,
**kwargs) # Create ChannelNode from data in self.channel_info
lang_names = list(self.data.keys())
lang_names.sort()
for lang_name in lang_names:
lang_data = self.data[lang_name]
LOGGER.info("Creating app for language: {}".format(lang_name))
lang = languages.getlang_by_native_name(lang_name)
zip_dir = self.client.create_zip_dir_for_page(lang_data['url'])
soup = self.client.get_page_soup(lang_data['url'])
# Remove the translation list if found
translations = soup.find('div', {'id': 'translations'})
if translations:
translations.extract()
# Grab the localized title
title = soup.find('span', {'id': 'share_title'}).text
# Save the modified index.html page
thumbnail = None
for resource in lang_data['resources']:
if 'dp3t.png' in resource:
thumbnail = os.path.join(zip_dir, resource)
break
with open(os.path.join(zip_dir, 'index.html'), 'wb') as f:
f.write(soup.prettify(encoding='utf-8'))
# create_predictable_zip ensures that the ZIP file does not change each time it's created. This
# ensures that the zip doesn't get re-uploaded just because zip metadata changed.
zip_file = zip.create_predictable_zip(zip_dir)
zip_name = lang.primary_code if lang else lang_name
zip_filename = os.path.join(self.ZIP_DIR,
"{}.zip".format(zip_name))
os.makedirs(os.path.dirname(zip_filename), exist_ok=True)
os.rename(zip_file, zip_filename)
topic = nodes.TopicNode(source_id=lang_name, title=lang_name)
zip_node = nodes.HTML5AppNode(
source_id="covid19-sim-{}".format(lang_name),
title=title,
files=[files.HTMLZipFile(zip_filename)],
license=licenses.PublicDomainLicense(
"Marcel Salathé & Nicky Case"),
language=lang,
thumbnail=thumbnail)
topic.add_child(zip_node)
channel.add_child(topic)
return channel
def download_resource(endpoint):
try:
url = '{}{}'.format(BASE_URL, endpoint.lstrip('/'))
filename, ext = os.path.splitext(endpoint)
filename = '{}.zip'.format(filename.lstrip('/').replace('/', '-'))
write_to_path = CeibalPageScraper(url, locale='es').to_file(filename=filename, directory=DOWNLOAD_DIRECTORY)
return write_to_path
except Exception as e:
LOGGER.error(str(e))
def keep_folder(raw_path):
"""
Keep only folders that don't contain patterns in `DIR_EXCLUDE_PATTERNS`.
"""
keep = True
for pattern in DIR_EXCLUDE_PATTERNS:
if pattern in raw_path:
LOGGER.debug('rejecting', raw_path)
keep = False
return keep
def to_tag(self, filename=None):
try:
embed = self.create_tag('embed')
embed['src'] = self.to_zip(filename=filename)
embed['width'] = '100%'
embed['style'] = 'height: 500px;max-height: 100vh;'
return embed
except BROKEN_EXCEPTIONS as e:
LOGGER.error(str(e))
return self.create_broken_link_message(self.url)
def make_fully_qualified_url(url):
if url.startswith("//"):
return "https:" + url
if url.startswith("/"):
return "https://en.wikipedia.org" + url
if not url.startswith("http"):
LOGGER.warning("Skipping bad URL (relative to unknown location): " +
url)
return None
return url
def _download_file(self, write_to_path):
with html_writer.HTMLWriter(write_to_path) as zipper:
try:
self.zipper = zipper
self.to_zip(filename='index.html')
except Exception as e:
# Any errors here will just say index.html file does not exist, so
# print out error for more descriptive debugging
LOGGER.error(str(e))
def transform_video_vertical(vertical, parent_title=None):
if 'children' not in vertical:
return None, []
# 1. LOOK FOR AN OPTIONAL html PREFIX TO USE AS DESCRIPTION
description = ''
# Extract an optional description from the first html node
first_child = vertical['children'][0]
if first_child['kind'] == 'html':
description = extract_text_from_html_item(first_child,
translate_from='ar')
if parent_title:
video_title = parent_title + ' ' + vertical['display_name']
else:
video_title = vertical['display_name']
# 2. GET THE VIDEO
videos = [ch for ch in vertical['children'] if ch['kind'] == 'video']
assert len(videos) == 1, 'multiple videos found'
video = videos[0]
video_dict = dict(kind=content_kinds.VIDEO,
source_id=video.get('youtube_id') or video.get('path'),
title=video_title,
author='Edraak',
description=description,
language=getlang('ar').code,
license=EDRAAK_LICENSE,
files=[])
if 'youtube_id' in video:
file_dict = dict(
file_type=content_kinds.VIDEO,
youtube_id=video['youtube_id'],
language=getlang('ar').code,
high_resolution=False,
)
elif 'path' in video:
file_dict = dict(
file_type=content_kinds.VIDEO,
path=video['path'],
language=getlang('ar').code,
ffmpeg_settings={"crf": 24},
)
else:
LOGGER.error('Video does not have youtube_id or path ' + str(video))
video_dict['files'].append(file_dict)
# 3. LOOK FOR AN OPTIONAL RESOURCES html
downloadable_resources = []
htmls = [ch for ch in vertical['children'] if ch['kind'] == 'html']
for html in htmls:
if 'downloadable_resources' in html:
downloadable_resources.extend(html['downloadable_resources'])
return video_dict, downloadable_resources
