URL#

class polars_extensions.url.UrlExtensionNamespace(expr: Expr)[source]#

Bases: object

Methods

`domain`()	Extract just the domain name (without port or subdomain).
`fragment`()	Extract fragment (#section).
`host`()	Extract host (domain + optional port).
`path`()	Extract the path (/docs/, /path/to/page, etc.).
`query`()	Extract the full query string.
`query_param`(key)	Extract the value of a specific query parameter.
`scheme`()	Extract URL scheme (http, https, ftp, etc.).

domain() → Expr[source]#: Extract just the domain name (without port or subdomain).

fragment() → Expr[source]#: Extract fragment (#section).

host() → Expr[source]#: Extract host (domain + optional port).

path() → Expr[source]#: Extract the path (/docs/, /path/to/page, etc.).

query() → Expr[source]#

Extract the full query string.

Examples

import polars as pl
import polars_extensions as plx

df = pl.DataFrame({
    "link": [
        "https://pypi.org/search/?q=polars-extensions",
        "https://pypi.org/search/?q=polars",
        "https://pypi.org/search/?q=pyodbc"
    ]
})
df.with_columns(pl.col('link').url_ext.query().alias('q'))

shape: (3, 2)
┌─────────────────────────────────┬─────────────────────┐
│ link                            ┆ q                   │
│ ---                             ┆ ---                 │
│ str                             ┆ str                 │
╞═════════════════════════════════╪═════════════════════╡
│ https://pypi.org/search/?q=pol… ┆ q=polars-extensions │
│ https://pypi.org/search/?q=pol… ┆ q=polars            │
│ https://pypi.org/search/?q=pyo… ┆ q=pyodbc            │
└─────────────────────────────────┴─────────────────────┘

query_param(key: str) → Expr[source]#

Extract the value of a specific query parameter.

Examples

import polars as pl
import polars_extensions as plx

df = pl.DataFrame({
"link": [
"https://pypi.org/search/?q=polars-extensions",
"https://pypi.org/search/?q=polars",
"https://pypi.org/search/?q=pyodbc"
]
})
df.with_columns(pl.col('link').url_ext.query_param('q').alias('q'))

shape: (3, 2)
┌─────────────────────────────────┬───────────────────┐
│ link                            ┆ q                 │
│ ---                             ┆ ---               │
│ str                             ┆ str               │
╞═════════════════════════════════╪═══════════════════╡
│ https://pypi.org/search/?q=pol… ┆ polars-extensions │
│ https://pypi.org/search/?q=pol… ┆ polars            │
│ https://pypi.org/search/?q=pyo… ┆ pyodbc            │
└─────────────────────────────────┴───────────────────┘

scheme() → Expr[source]#: Extract URL scheme (http, https, ftp, etc.).