Files
hudozka/utils/Sync/sync/post.py
T
2016-08-06 10:51:28 +03:00

318 lines
8.1 KiB
Python

import os
from datetime import datetime
from glob import glob
import lxml.html
import settings
from db import db
from sync import create_date_and_title_from_folder_name, create_post_from_image_list, Sync, create_date, \
images_from_html, list_images, synced_images_ids, untouched
from sync.image import sync_image
from utils.fn import combine, lmap, map_cases, first, lprint, key_mapper, lprint_json, lmapfn
from utils.hash import hash_file, hash_str
from utils.image import create_image
from utils.io import read_yaml_md
from utils.text.transform import url_encode_text
class SyncPost(Sync):
def __init__(self, collection_name, document_type, image_url_base, dir_local_images, sizes):
super().__init__()
self.collection = db()[collection_name]
self.sizes = sizes
self.type = document_type
self.image_url_base = image_url_base
self.dir_local_images = dir_local_images
def create_id(self, document):
document['id'] = document['id'] if 'id' in document else url_encode_text(document['title'])
return document
def create_hash(self, document):
hash_images = lmap(
hash_file,
lmap(
lambda i: os.path.join(document['folder'], i),
document['images']
)
)
document['hash'] = hash_str(
combine([hash_str(document)] + hash_images)
)
return document
def create(self, document):
if 'date' not in document or not document['date']:
return None
if 'title' not in document or not document['title']:
return None
if self.type:
document['type'] = self.type
post_html = lxml.html.fromstring(document['post'])
images = []
for img in post_html.cssselect('img'):
src = img.get('src')
img_path = os.path.abspath(
os.path.join(document['folder'], src)
)
if os.path.exists(img_path):
img_id = url_encode_text(os.path.splitext(src)[0])
url_fn = lambda size, ext: self.image_url_base.format(id=document['id'], img=img_id, size=size,
ext=ext.lower())
image = create_image(img_path, self.sizes, url_fn, self.dir_local_images)
if image:
images.append(image)
img.set('src', image['data']['big']['url'])
else:
print('fail: ', document['folder'], src)
document['post'] = lxml.html.tostring(post_html).decode('utf-8')
document['images'] = images
return document
def create_remove_query(self, query):
if self.type:
query = {
**query,
'type': self.type
}
return query
def get_manifest(path):
y, m = read_yaml_md(path)
y = y if y else {}
if 'date' in y:
y['date'] = create_date(y['date'], settings.date_formats)
if 'until' in y:
y['until'] = create_date(y['until'], settings.date_formats)
if 'id' in y:
y['id'] = str(y['id'])
return {
**y,
'post': m,
'images': images_from_html(m)
}
def md_from_folder(i):
return first(glob(i + '/*.md'))
def get_folder_documents(sync, file_time_formats):
# GET EVENT FOLDERS
documents = lmap(
lambda i: i.path,
filter(
lambda i: i.is_dir(),
os.scandir('.')
)
)
# PARSE FOLDER NAME -> GET OPTIONAL DATE/TITLE
documents = lmap(
lambda i: (i,) + create_date_and_title_from_folder_name(
os.path.basename(i), file_time_formats
),
documents
)
documents = lmap(
lambda i: {
'folder': i[0],
'date': i[1],
'title': i[2],
},
documents
)
# CREATE BASIC_MANIFEST BASED ON FOLDER NAME AND IMAGE CONTENT
documents = lmap(
lambda i: {
**i,
'images': lmap(
lambda path: os.path.relpath(path, i['folder']),
list_images(i['folder'])
)
},
documents
)
documents = lmap(
lambda i: {
**i,
'post': create_post_from_image_list(i['images'])
},
documents
)
# TRY TO FILL UP BASIC_MANIFEST WITH MD_MANIFEST
documents = lmap(
lambda i: {
**i,
**map_cases(
i,
[(
lambda i: md_from_folder(i['folder']),
lambda i: get_manifest(md_from_folder(i['folder'])),
)],
lambda i: {}
)
},
documents
)
# CREATE DOCUMENT IDENTITY
documents = lmap(sync.create_id, documents)
# CREATE HASH OF DOCUMENT FILE
documents = lmap(sync.create_hash, documents)
return documents
# GET EVENT FILES
def get_file_documents(sync, file_time_formats):
documents = glob('*.md')
documents = lmap(
lambda i: (i,) + create_date_and_title_from_folder_name(
os.path.basename(i), file_time_formats
),
documents
)
documents = lmap(
lambda i: {
'file': i[0],
'date': i[1],
'title': i[2],
},
documents
)
# OVERWRITE BASIC_MANIFEST WITH MD_MANIFEST
documents = lmap(
lambda i: {
**i,
**get_manifest(i['file'])
},
documents
)
# CREATE DOCUMENT IDENTITY
documents = lmap(sync.create_id, documents)
# CREATE HASH OF DOCUMENT FILE
documents = lmap(sync.create_hash, documents)
return documents
def main(dir_documents, sync, file_time_formats, update_documents=True, delete_documents=True):
# INIT
os.chdir(dir_documents)
documents = get_folder_documents(sync, file_time_formats)
documents += get_file_documents(sync, file_time_formats)
# CREATE SCOPE OF CURRENT SESSION
scope_documents_ids = lmapfn(documents)(
lambda i: i['id']
)
# SKIP UNTOUCHED DOCUMENTS
documents = untouched(documents, sync)
# MAP EVENT MANIFEST -> EVENT_OBJECT
documents = lmap(
sync.create,
documents
)
# FILTER INCORRECT EVENTS
documents = list(filter(None, documents))
# REPLACE IMAGES OBJECTS WITH IT _ID IN MONGODB
documents = lmap(
key_mapper('images', synced_images_ids),
documents
)
# SYNC EVENT_OBJECT WITH DB
if update_documents:
documents = lmap(
sync.update,
documents
)
if delete_documents:
remove_query = sync.create_remove_query({'id': {'$nin': scope_documents_ids}})
documents_to_delete = sync.query(remove_query)
documents_to_delete = lmap(
sync.delete,
map(
lambda i: {'_id': i['_id']},
documents_to_delete
)
)
else:
documents_to_delete = []
# SCOPE
print('SCOPE:')
lprint(scope_documents_ids)
# DELETE
print('DELETE DOCUMENTS: %s' % ('NO' if not delete_documents else str(len(documents_to_delete))))
lprint_json(lmap(
lambda i: i['id'],
documents_to_delete
))
# DELETE
print('UPDATE DOCUMENTS:')
lprint_json(lmap(
lambda i: i['id'],
documents
))
# lprint_json(documents)
print('[SYNC DOCUMENTS DONE]')
if __name__ == '__main__':
image_url_base = settings.image_base_url + 'post-{id}-{img}-{size}{ext}'
main(
settings.dir_events,
SyncPost(
'events',
None,
image_url_base,
settings.dir_static_images,
settings.event_image_sizes
),
file_time_formats=['%Y.%m.%d']
)
image_url_base = settings.image_base_url + 'post-{id}-{img}-{size}{ext}'
main(
settings.dir_news,
SyncPost(
'timeline',
'post',
image_url_base,
settings.dir_static_images,
settings.event_image_sizes
),
file_time_formats=settings.date_formats_reverse
)