Python/ django
по всем вопросам @haarrp @itchannels_telegram - 🔥 все ит каналы @ai_machinelearning_big_data -ML @ArtificialIntelligencedl -AI @datascienceiot - 📚 @pythonlbooks РКН: clck.ru/3FmxmM
显示更多📈 Telegram 频道 Python/ django 的分析概览
频道 Python/ django (@pythonl) 俄语 语言赛道中的 是活跃参与者。目前社区聚集了 59 990 名订阅者,在 技术与应用 类别中位列第 2 205,并在 俄罗斯 地区排名第 10 243 位。
📊 受众指标与增长动态
自 невідомо 创建以来,项目保持高速增长,吸引了 59 990 名订阅者。
根据 12 六月, 2026 的最新数据,频道保持稳定运转。过去 30 天订阅人数变化为 -567,过去 24 小时变化为 -11,整体触达仍然可观。
- 认证状态: 未认证
- 互动率 (ER): 平均受众互动率为 7.01%。内容发布后 24 小时内通常能获得 3.19% 的反应,占订阅者总量。
- 帖子覆盖: 每篇帖子平均可获得 4 203 次浏览,首日通常累积 1 913 次浏览。
- 互动与反馈: 受众积极参与,单帖平均反应数为 22。
- 主题关注点: 内容集中在 github, claude, контекст, архитектура, api 等核心主题上。
📝 描述与内容策略
作者将该频道定位为表达主观观点的平台:
“по всем вопросам @haarrp
@itchannels_telegram - 🔥 все ит каналы
@ai_machinelearning_big_data -ML
@ArtificialIntelligencedl -AI
@datascienceiot - 📚
@pythonlbooks
РКН: clck.ru/3Fmxm...”
凭借高频更新(最新数据采集于 13 六月, 2026),频道始终保持新鲜度与高覆盖。分析显示受众积极互动,使其成为 技术与应用 类别中的关键影响点。
$ pip install redis
import redis
# Create a Redis client
r = redis.Redis(host='localhost', port=6379, db=0)
# String Operations
r.set('mykey', 'Hello Redis!')
value = r.get('mykey')
print(value) # Output: b'Hello Redis!'
# List Operations
r.lpush('mylist', 'element1')
r.lpush('mylist', 'element2')
r.rpush('mylist', 'element3')
elements = r.lrange('mylist', 0, -1)
print(elements) # Output: [b'element2', b'element1', b'element3']
# Set Operations
r.sadd('myset', 'member1')
r.sadd('myset', 'member2')
r.sadd('myset', 'member3')
members = r.smembers('myset')
print(members) # Output: {b'member2', b'member1', b'member3'}
# Hash Operations
r.hset('myhash', 'field1', 'value1')
r.hset('myhash', 'field2', 'value2')
value = r.hget('myhash', 'field1')
print(value) # Output: b'value1'
# Sorted Set Operations
r.zadd('mysortedset', {'member1': 1, 'member2': 2, 'member3': 3})
members = r.zrange('mysortedset', 0, -1)
print(members) # Output: [b'member1', b'member2', b'member3']
# Delete a key
r.delete('mykey')
# Close the Redis connection
r.close()
▪Github
@pythonlstr_val = 'apples'
num_val = 42
print(f'{num_val} {str_val}') # 42 apples
2. Variable names
Apart from getting a variable's value, you can also get its name alongside the value.
str_val = 'apples'
num_val = 42
print(f'{str_val=}, {num_val = }') # str_val='apples', num_val = 42
3. Mathematical operations
Not syntactically unlike variable names, you can also perform mathematical operations in f-strings.
num_val = 42
print(f'{num_val % 2 = }') # num_val % 2 = 0
4. Printable representation
Apart from plain string interpolation, you might want to get the printable representation of a value.
str_val = 'apples'
print(f'{str_val!r}') # 'apples'
5. Number formatting
Numbers are a great candidate for this. If, for example, you want to trim a numeric value to two digits after the decimal, you can use the .2f format specifier.
price_val = 6.12658
print(f'{price_val:.2f}') # 6.13
6. Date formatting
Finally, dates can also be formatted the same way as numbers, using format specifiers. As usual, %Y denotes the full year, %m is the month and %d is the day of the month.
from datetime import datetime;
date_val = datetime.utcnow()
print(f'{date_val=:%Y-%m-%d}') # date_val=2021-07-09
▪String Formatting Best Practices
▪F-strings или как сделать код чуть более быстрым
@pythonl
from pydantic import BaseModel
class User(BaseModel):
name: str
age: int
user = User(name='John Doe', age=30)
2. Default Values
Define default values for your model fields.
class User(BaseModel):
name: str
age: int = 18 # Default value
3. Optional Fields
Mark fields as optional using the Optional type.
from typing import Optional
class User(BaseModel):
name: str
age: Optional[int] = None
4. Custom Validators
Create custom validators with the @validator decorator.
from pydantic import validator
class User(BaseModel):
name: str
age: int
@validator('age')
def validate_age(cls, value):
if value < 18:
raise ValueError('User must be 18+')
return value
5. Nested Models
Use Pydantic models to validate nested data structures.
class Address(BaseModel):
street: str
city: str
class User(BaseModel):
name: str
age: int
address: Address
6. Lists of Models
Handle lists of a specific model.
from typing import List
class User(BaseModel):
name: str
age: int
class UserList(BaseModel):
users: List[User]
7. Union Fields
Use Union to allow a field to be one of several types.
from typing import Union
class User(BaseModel):
identifier: Union[str, int]
8. Value Constraints
Impose constraints on values using Field.
from pydantic import Field
class User(BaseModel):
name: str
age: int = Field(..., gt=0, lt=120) # Greater than 0, less than 120
9. Aliases for Fields
Define aliases for model fields, which can be useful for fields that are Python keywords.
class User(BaseModel):
name: str
class_: str = Field(alias='class')
10. Recursive Models
Make models that can contain themselves.
from typing import Optional
class TreeNode(BaseModel):
value: int
left: Optional['TreeNode'] = None
right: Optional['TreeNode'] = None
TreeNode.update_forward_refs() # Resolve string annotations
@pythonlimport numpy as np
a = np.array([[1, 2, 1], [2, 2, 5]])
# get the rows whose all values are fewer than 3
mask_all = (a<3).all(axis=1)
print(a[mask_all])
"""
[[1 2 1]]
"""
mask_any = (a<3).any(axis=1)
print(a[mask_any])
"""
[[1 2 1]
[2 2 5]]
"""
▪Numpy docs
@pythonl$ pip install PyGithub
🖥 Github
📌 Документация
@pythonlfrom box import Box
movie_box = Box({ "Robin Hood: Men in Tights": { "imdb stars": 6.7, "length": 104 } })
movie_box.Robin_Hood_Men_in_Tights.imdb_stars
🖥 Github
#github #python
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