本文整理汇总了Python中sqlalchemy.sql.expression.func.random方法的典型用法代码示例。如果您正苦于以下问题:Python func.random方法的具体用法?Python func.random怎么用?Python func.random使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类sqlalchemy.sql.expression.func
的用法示例。
在下文中一共展示了func.random方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: render_archived_books
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def render_archived_books(page, order):
order = order or []
archived_books = (
ub.session.query(ub.ArchivedBook)
.filter(ub.ArchivedBook.user_id == int(current_user.id))
.filter(ub.ArchivedBook.is_archived == True)
.all()
)
archived_book_ids = [archived_book.book_id for archived_book in archived_books]
archived_filter = db.Books.id.in_(archived_book_ids)
entries, random, pagination = calibre_db.fill_indexpage_with_archived_books(page,
db.Books,
archived_filter,
order,
allow_show_archived=True)
name = _(u'Archived Books') + ' (' + str(len(archived_book_ids)) + ')'
pagename = "archived"
return render_title_template('index.html', random=random, entries=entries, pagination=pagination,
title=name, page=pagename)
# ################################### Download/Send ##################################################################
示例2: index
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def index():
sorter = request.args.get("sorter", None)
if sorter is None:
sorter = "random"
initial_sorting = True
else:
initial_sorting = False
order = request.args.get("order", None)
criterion = SORTER.get(sorter, DEFAULT_SORTER)
if order == DEFAULT_ORDER:
criterion = desc(criterion)
projects = Project.query.filter(Project.is_active.is_(True)).order_by(
nullslast(criterion)
)
return {
"projects": projects,
"sorter": sorter,
"initial_sorting": initial_sorting,
"order": order,
"DEFAULT_ORDER": DEFAULT_ORDER,
}
示例3: hello
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def hello(self, ctx):
"""Says hello
WHAT MORE DO YOU NEED TO KNOW!?!?!? IS 'Says hello' REALLY NOT CLEAR ENOUGH FOR YOU!?!!11?!!?11!!?!??"""
dota_hellos = [
"slark_attack_11",
"kunk_thanks_02",
"meepo_scepter_06",
"puck_ability_orb_03",
"tink_spawn_07",
"treant_ally_08",
"wraith_lasthit_02",
"timb_deny_08",
"tech_pain_39",
"meepo_attack_08",
"slark_lasthit_02"
]
dota_response = random.choice(dota_hellos)
response = session.query(Response).filter(Response.name == dota_response).first()
print("hello: " + response.name)
await self.play_response(response, ctx)
# Plays the correct command for the given keyphrase and hero, if a valid one is given
示例4: build_comment
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def build_comment(self):
comment = ""
while True:
# For each sentence, check how close to the average comment length
# we are, then use the remaining percentage as the chance of
# adding another sentence. For example, if we're at 70% of the
# average comment length, there will be a 30% chance of adding
# another sentence. We're also adding a fixed 10% on top of that
# just to increase the length a little, and have some chance of
# continuing once we're past the average.
portion_done = len(comment) / float(self.avg_comment_len)
continue_chance = 1.0 - portion_done
continue_chance = max(0, continue_chance)
continue_chance += 0.1
if random.random() > continue_chance:
break
new_sentence = self.make_comment_sentence()
comment += " " + new_sentence
comment = comment.strip()
return comment
示例5: post_comment_on
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def post_comment_on(self, submission):
comment = self.build_comment()
# decide if we're going to post top-level or reply
if (submission.num_comments == 0 or
random.random() < 0.5):
submission.add_comment(comment)
else:
comments = praw.helpers.flatten_tree(submission.comments)
reply_to = random.choice(comments)
reply_to.reply(comment)
# update the database
self.last_commented = datetime.now(pytz.utc)
self.num_comments += 1
db.add(self)
db.commit()
示例6: create_order_line
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def create_order_line(order, discounts):
product = Product.query.order_by(func.random()).first()
variant = product.variant[0]
quantity = random.randrange(1, 5)
variant.quantity += quantity
variant.save()
return OrderLine.create(
order_id=order.id,
product_name=variant.display_product(),
product_sku=variant.sku,
product_id=variant.sku.split("-")[0],
is_shipping_required=variant.is_shipping_required,
quantity=quantity,
variant_id=variant.id,
unit_price_net=variant.price,
)
# step27
示例7: action_acquire_random_ready
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def action_acquire_random_ready(context, owner, timestamp):
with session_for_write() as session:
action = (session.query(models.Action).
filter_by(status=consts.ACTION_READY).
filter_by(owner=None).
order_by(func.random()).
with_for_update().first())
if action:
action.owner = owner
action.start_time = timestamp
action.status = consts.ACTION_RUNNING
action.status_reason = 'The action is being processed.'
action.save(session)
return action
示例8: GetTextCorpus
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def GetTextCorpus(self, shuffle: bool) -> str:
"""Concatenate the entire corpus into a string.
Args:
shuffle: If true, randomize order of contentfiles.
Returns:
A concatenated corpus string.
"""
with self.preprocessed.Session() as session:
query = session.query(preprocessed.PreprocessedContentFile.text).filter(
preprocessed.PreprocessedContentFile.preprocessing_succeeded == True
)
if shuffle:
query = query.order_by(func.random())
return self.config.contentfile_separator.join([x[0] for x in query])
示例9: index
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def index(page):
entries, random, pagination = calibre_db.fill_indexpage(page, db.Books, True, [db.Books.timestamp.desc()])
return render_title_template('index.html', random=random, entries=entries, pagination=pagination,
title=_(u"Recently Added Books"), page="root")
示例10: render_hot_books
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def render_hot_books(page):
if current_user.check_visibility(constants.SIDEBAR_HOT):
if current_user.show_detail_random():
random = calibre_db.session.query(db.Books).filter(calibre_db.common_filters()) \
.order_by(func.random()).limit(config.config_random_books)
else:
random = false()
off = int(int(config.config_books_per_page) * (page - 1))
all_books = ub.session.query(ub.Downloads, func.count(ub.Downloads.book_id)).order_by(
func.count(ub.Downloads.book_id).desc()).group_by(ub.Downloads.book_id)
hot_books = all_books.offset(off).limit(config.config_books_per_page)
entries = list()
for book in hot_books:
downloadBook = calibre_db.session.query(db.Books).filter(calibre_db.common_filters()).filter(
db.Books.id == book.Downloads.book_id).first()
if downloadBook:
entries.append(downloadBook)
else:
ub.delete_download(book.Downloads.book_id)
# ub.session.query(ub.Downloads).filter(book.Downloads.book_id == ub.Downloads.book_id).delete()
# ub.session.commit()
numBooks = entries.__len__()
pagination = Pagination(page, config.config_books_per_page, numBooks)
return render_title_template('index.html', random=random, entries=entries, pagination=pagination,
title=_(u"Hot Books (Most Downloaded)"), page="hot")
else:
abort(404)
示例11: render_publisher_books
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def render_publisher_books(page, book_id, order):
publisher = calibre_db.session.query(db.Publishers).filter(db.Publishers.id == book_id).first()
if publisher:
entries, random, pagination = calibre_db.fill_indexpage(page,
db.Books,
db.Books.publishers.any(db.Publishers.id == book_id),
[db.Series.name, order[0], db.Books.series_index],
db.books_series_link,
db.Series)
return render_title_template('index.html', random=random, entries=entries, pagination=pagination, id=book_id,
title=_(u"Publisher: %(name)s", name=publisher.name), page="publisher")
else:
abort(404)
示例12: render_series_books
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def render_series_books(page, book_id, order):
name = calibre_db.session.query(db.Series).filter(db.Series.id == book_id).first()
if name:
entries, random, pagination = calibre_db.fill_indexpage(page,
db.Books,
db.Books.series.any(db.Series.id == book_id),
[db.Books.series_index, order[0]])
return render_title_template('index.html', random=random, pagination=pagination, entries=entries, id=book_id,
title=_(u"Series: %(serie)s", serie=name.name), page="series")
else:
abort(404)
示例13: render_formats_books
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def render_formats_books(page, book_id, order):
name = calibre_db.session.query(db.Data).filter(db.Data.format == book_id.upper()).first()
if name:
entries, random, pagination = calibre_db.fill_indexpage(page,
db.Books,
db.Books.data.any(db.Data.format == book_id.upper()),
[db.Books.timestamp.desc(), order[0]])
return render_title_template('index.html', random=random, pagination=pagination, entries=entries, id=book_id,
title=_(u"File format: %(format)s", format=name.format), page="formats")
else:
abort(404)
示例14: render_category_books
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def render_category_books(page, book_id, order):
name = calibre_db.session.query(db.Tags).filter(db.Tags.id == book_id).first()
if name:
entries, random, pagination = calibre_db.fill_indexpage(page,
db.Books,
db.Books.tags.any(db.Tags.id == book_id),
[order[0], db.Series.name, db.Books.series_index],
db.books_series_link, db.Series)
return render_title_template('index.html', random=random, entries=entries, pagination=pagination, id=book_id,
title=_(u"Category: %(name)s", name=name.name), page="category")
else:
abort(404)
示例15: render_language_books
# 需要导入模块: from sqlalchemy.sql.expression import func [as 别名]
# 或者: from sqlalchemy.sql.expression.func import random [as 别名]
def render_language_books(page, name, order):
try:
cur_l = LC.parse(name)
lang_name = cur_l.get_language_name(get_locale())
except UnknownLocaleError:
try:
lang_name = _(isoLanguages.get(part3=name).name)
except KeyError:
abort(404)
entries, random, pagination = calibre_db.fill_indexpage(page,
db.Books,
db.Books.languages.any(db.Languages.lang_code == name),
[db.Books.timestamp.desc(), order[0]])
return render_title_template('index.html', random=random, entries=entries, pagination=pagination, id=name,
title=_(u"Language: %(name)s", name=lang_name), page="language")