diff --git a/Cargo.lock b/Cargo.lock
index dc152c0ce5b5..97bffdb060ea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3335,6 +3335,40 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "polars-python"
+version = "0.42.0"
+dependencies = [
+ "ahash",
+ "arboard",
+ "bytemuck",
+ "ciborium",
+ "either",
+ "itoa",
+ "libc",
+ "ndarray",
+ "num-traits",
+ "numpy",
+ "once_cell",
+ "polars",
+ "polars-core",
+ "polars-error",
+ "polars-io",
+ "polars-lazy",
+ "polars-ops",
+ "polars-parquet",
+ "polars-plan",
+ "polars-stream",
+ "polars-time",
+ "polars-utils",
+ "pyo3",
+ "recursive",
+ "serde_json",
+ "smartstring",
+ "thiserror",
+ "version_check",
+]
+
 [[package]]
 name = "polars-row"
 version = "0.42.0"
@@ -3512,36 +3546,12 @@ dependencies = [
 name = "py-polars"
 version = "1.5.0"
 dependencies = [
- "ahash",
- "arboard",
  "built",
- "bytemuck",
- "ciborium",
- "either",
- "itoa",
  "jemallocator",
  "libc",
  "mimalloc",
- "ndarray",
- "num-traits",
- "numpy",
- "once_cell",
- "polars",
- "polars-core",
- "polars-error",
- "polars-io",
- "polars-lazy",
- "polars-ops",
- "polars-parquet",
- "polars-plan",
- "polars-stream",
- "polars-time",
- "polars-utils",
+ "polars-python",
  "pyo3",
- "recursive",
- "serde_json",
- "smartstring",
- "thiserror",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index fb854929107b..44ba246bccae 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -55,6 +55,7 @@ hex = "0.4.3"
 indexmap = { version = "2", features = ["std"] }
 itoa = "1.0.6"
 itoap = { version = "1", features = ["simd"] }
+libc = "0.2"
 memchr = "2.6"
 memmap = { package = "memmap2", version = "0.7" }
 multiversion = "0.7"
@@ -109,6 +110,7 @@ polars-ops = { version = "0.42.0", path = "crates/polars-ops", default-features
 polars-parquet = { version = "0.42.0", path = "crates/polars-parquet", default-features = false }
 polars-pipe = { version = "0.42.0", path = "crates/polars-pipe", default-features = false }
 polars-plan = { version = "0.42.0", path = "crates/polars-plan", default-features = false }
+polars-python = { version = "0.42.0", path = "crates/polars-python", default-features = false }
 polars-row = { version = "0.42.0", path = "crates/polars-row", default-features = false }
 polars-sql = { version = "0.42.0", path = "crates/polars-sql", default-features = false }
 polars-stream = { version = "0.42.0", path = "crates/polars-stream", default-features = false }
diff --git a/crates/polars-plan/README.md b/crates/polars-plan/README.md
index 23d78053d6da..59fce1861941 100644
--- a/crates/polars-plan/README.md
+++ b/crates/polars-plan/README.md
@@ -1,4 +1,4 @@
-# polars-plan-
+# polars-plan
 
 `polars-plan` is an **internal sub-crate** of the [Polars](https://crates.io/crates/polars) library, that provides source code responsible for Polars logical planning.
 
diff --git a/crates/polars-python/Cargo.toml b/crates/polars-python/Cargo.toml
new file mode 100644
index 000000000000..99d4ec1a0767
--- /dev/null
+++ b/crates/polars-python/Cargo.toml
@@ -0,0 +1,254 @@
+[package]
+name = "polars-python"
+version = { workspace = true }
+authors = { workspace = true }
+edition = { workspace = true }
+homepage = { workspace = true }
+license = { workspace = true }
+repository = { workspace = true }
+description = "Enable running Polars workloads in Python"
+
+[dependencies]
+polars-core = { workspace = true, features = ["python"] }
+polars-error = { workspace = true }
+polars-io = { workspace = true }
+polars-lazy = { workspace = true, features = ["python"] }
+polars-ops = { workspace = true }
+polars-parquet = { workspace = true, optional = true }
+polars-plan = { workspace = true }
+polars-time = { workspace = true }
+polars-utils = { workspace = true }
+
+# TODO! remove this once truly activated. This is required to make sdist building work
+polars-stream = { workspace = true }
+
+ahash = { workspace = true }
+arboard = { workspace = true, optional = true }
+bytemuck = { workspace = true }
+ciborium = { workspace = true }
+either = { workspace = true }
+itoa = { workspace = true }
+libc = { workspace = true }
+ndarray = { workspace = true }
+num-traits = { workspace = true }
+# TODO: Pin to released version once NumPy 2.0 support is merged
+# https://github.com/PyO3/rust-numpy/issues/409
+numpy = { git = "https://github.com/stinodego/rust-numpy.git", rev = "9ba9962ae57ba26e35babdce6f179edf5fe5b9c8", default-features = false }
+once_cell = { workspace = true }
+pyo3 = { workspace = true, features = ["abi3-py38", "chrono", "extension-module", "multiple-pymethods"] }
+recursive = { workspace = true }
+serde_json = { workspace = true, optional = true }
+smartstring = { workspace = true }
+thiserror = { workspace = true }
+
+[dependencies.polars]
+workspace = true
+features = [
+  "abs",
+  "approx_unique",
+  "array_any_all",
+  "arg_where",
+  "business",
+  "concat_str",
+  "cum_agg",
+  "cumulative_eval",
+  "dataframe_arithmetic",
+  "month_start",
+  "month_end",
+  "offset_by",
+  "diagonal_concat",
+  "diff",
+  "dot_diagram",
+  "dot_product",
+  "dtype-categorical",
+  "dtype-full",
+  "dynamic_group_by",
+  "ewma",
+  "ewma_by",
+  "fmt",
+  "fused",
+  "interpolate",
+  "interpolate_by",
+  "is_first_distinct",
+  "is_last_distinct",
+  "is_unique",
+  "is_between",
+  "lazy",
+  "list_eval",
+  "list_to_struct",
+  "array_to_struct",
+  "log",
+  "mode",
+  "moment",
+  "ndarray",
+  "partition_by",
+  "product",
+  "random",
+  "range",
+  "rank",
+  "reinterpret",
+  "replace",
+  "rolling_window",
+  "rolling_window_by",
+  "round_series",
+  "row_hash",
+  "rows",
+  "semi_anti_join",
+  "serde-lazy",
+  "string_encoding",
+  "string_reverse",
+  "string_to_integer",
+  "string_pad",
+  "strings",
+  "temporal",
+  "to_dummies",
+  "true_div",
+  "unique_counts",
+  "zip_with",
+  "cov",
+]
+
+[build-dependencies]
+version_check = { workspace = true }
+
+[features]
+# Features below are only there to enable building a slim binary during development.
+avro = ["polars/avro"]
+parquet = ["polars/parquet", "polars-parquet"]
+ipc = ["polars/ipc"]
+ipc_streaming = ["polars/ipc_streaming"]
+is_in = ["polars/is_in"]
+json = ["polars/serde", "serde_json", "polars/json"]
+trigonometry = ["polars/trigonometry"]
+sign = ["polars/sign"]
+asof_join = ["polars/asof_join"]
+cross_join = ["polars/cross_join"]
+pct_change = ["polars/pct_change"]
+repeat_by = ["polars/repeat_by"]
+
+streaming = ["polars/streaming"]
+meta = ["polars/meta"]
+search_sorted = ["polars/search_sorted"]
+decompress = ["polars/decompress-fast"]
+regex = ["polars/regex"]
+csv = ["polars/csv"]
+clipboard = ["arboard"]
+extract_jsonpath = ["polars/extract_jsonpath"]
+pivot = ["polars/pivot"]
+top_k = ["polars/top_k"]
+propagate_nans = ["polars/propagate_nans"]
+sql = ["polars/sql"]
+performant = ["polars/performant"]
+timezones = ["polars/timezones"]
+cse = ["polars/cse"]
+merge_sorted = ["polars/merge_sorted"]
+list_gather = ["polars/list_gather"]
+list_count = ["polars/list_count"]
+array_count = ["polars/array_count", "polars/dtype-array"]
+binary_encoding = ["polars/binary_encoding"]
+list_sets = ["polars-lazy/list_sets"]
+list_any_all = ["polars/list_any_all"]
+array_any_all = ["polars/array_any_all", "polars/dtype-array"]
+list_drop_nulls = ["polars/list_drop_nulls"]
+list_sample = ["polars/list_sample"]
+cutqcut = ["polars/cutqcut"]
+rle = ["polars/rle"]
+extract_groups = ["polars/extract_groups"]
+ffi_plugin = ["polars-plan/ffi_plugin"]
+cloud = ["polars/cloud", "polars/aws", "polars/gcp", "polars/azure", "polars/http"]
+peaks = ["polars/peaks"]
+hist = ["polars/hist"]
+find_many = ["polars/find_many"]
+new_streaming = ["polars-lazy/new_streaming"]
+
+dtype-i8 = []
+dtype-i16 = []
+dtype-u8 = []
+dtype-u16 = []
+dtype-array = []
+object = ["polars/object"]
+
+dtypes = [
+  "dtype-array",
+  "dtype-i16",
+  "dtype-i8",
+  "dtype-u16",
+  "dtype-u8",
+  "object",
+]
+
+operations = [
+  "array_any_all",
+  "array_count",
+  "is_in",
+  "repeat_by",
+  "trigonometry",
+  "sign",
+  "performant",
+  "list_gather",
+  "list_count",
+  "list_sets",
+  "list_any_all",
+  "list_drop_nulls",
+  "list_sample",
+  "cutqcut",
+  "rle",
+  "extract_groups",
+  "pivot",
+  "extract_jsonpath",
+  "asof_join",
+  "cross_join",
+  "pct_change",
+  "search_sorted",
+  "merge_sorted",
+  "top_k",
+  "propagate_nans",
+  "timezones",
+  "peaks",
+  "hist",
+  "find_many",
+]
+
+io = [
+  "json",
+  "parquet",
+  "ipc",
+  "ipc_streaming",
+  "avro",
+  "csv",
+  "cloud",
+  "clipboard",
+]
+
+optimizations = [
+  "cse",
+  "polars/fused",
+  "streaming",
+]
+
+polars_cloud = ["polars/polars_cloud"]
+# also includes simd
+nightly = ["polars/nightly"]
+
+all = [
+  "optimizations",
+  "io",
+  "operations",
+  "dtypes",
+  "meta",
+  "decompress",
+  "regex",
+  "sql",
+  "binary_encoding",
+  "ffi_plugin",
+  "polars_cloud",
+  # "new_streaming",
+]
+
+# we cannot conditionally activate simd
+# https://github.com/rust-lang/cargo/issues/1197
+# so we have an indirection and compile
+# with --no-default-features --features=all for targets without simd
+default = [
+  "all",
+]
diff --git a/crates/polars-python/LICENSE b/crates/polars-python/LICENSE
new file mode 120000
index 000000000000..30cff7403da0
--- /dev/null
+++ b/crates/polars-python/LICENSE
@@ -0,0 +1 @@
+../../LICENSE
\ No newline at end of file
diff --git a/crates/polars-python/README.md b/crates/polars-python/README.md
new file mode 100644
index 000000000000..3a68700e34fc
--- /dev/null
+++ b/crates/polars-python/README.md
@@ -0,0 +1,6 @@
+# polars-python
+
+`polars-python` is an **internal sub-crate** of the [Polars](https://crates.io/crates/polars) library.
+It enables running Polars workloads in Python.
+
+**Important Note**: This crate is **not intended for external usage**. Please refer to the main [Polars crate](https://crates.io/crates/polars) for intended usage.
diff --git a/crates/polars-python/build.rs b/crates/polars-python/build.rs
new file mode 100644
index 000000000000..3e4ab64620ac
--- /dev/null
+++ b/crates/polars-python/build.rs
@@ -0,0 +1,7 @@
+fn main() {
+    println!("cargo:rerun-if-changed=build.rs");
+    let channel = version_check::Channel::read().unwrap();
+    if channel.is_nightly() {
+        println!("cargo:rustc-cfg=feature=\"nightly\"");
+    }
+}
diff --git a/py-polars/src/batched_csv.rs b/crates/polars-python/src/batched_csv.rs
similarity index 100%
rename from py-polars/src/batched_csv.rs
rename to crates/polars-python/src/batched_csv.rs
diff --git a/py-polars/src/cloud.rs b/crates/polars-python/src/cloud.rs
similarity index 100%
rename from py-polars/src/cloud.rs
rename to crates/polars-python/src/cloud.rs
diff --git a/py-polars/src/conversion/any_value.rs b/crates/polars-python/src/conversion/any_value.rs
similarity index 100%
rename from py-polars/src/conversion/any_value.rs
rename to crates/polars-python/src/conversion/any_value.rs
diff --git a/py-polars/src/conversion/chunked_array.rs b/crates/polars-python/src/conversion/chunked_array.rs
similarity index 100%
rename from py-polars/src/conversion/chunked_array.rs
rename to crates/polars-python/src/conversion/chunked_array.rs
diff --git a/py-polars/src/conversion/datetime.rs b/crates/polars-python/src/conversion/datetime.rs
similarity index 100%
rename from py-polars/src/conversion/datetime.rs
rename to crates/polars-python/src/conversion/datetime.rs
diff --git a/py-polars/src/conversion/mod.rs b/crates/polars-python/src/conversion/mod.rs
similarity index 100%
rename from py-polars/src/conversion/mod.rs
rename to crates/polars-python/src/conversion/mod.rs
diff --git a/py-polars/src/dataframe/construction.rs b/crates/polars-python/src/dataframe/construction.rs
similarity index 100%
rename from py-polars/src/dataframe/construction.rs
rename to crates/polars-python/src/dataframe/construction.rs
diff --git a/py-polars/src/dataframe/export.rs b/crates/polars-python/src/dataframe/export.rs
similarity index 100%
rename from py-polars/src/dataframe/export.rs
rename to crates/polars-python/src/dataframe/export.rs
diff --git a/py-polars/src/dataframe/general.rs b/crates/polars-python/src/dataframe/general.rs
similarity index 99%
rename from py-polars/src/dataframe/general.rs
rename to crates/polars-python/src/dataframe/general.rs
index 6352053a2f51..5edb77be9597 100644
--- a/py-polars/src/dataframe/general.rs
+++ b/crates/polars-python/src/dataframe/general.rs
@@ -368,6 +368,7 @@ impl PyDataFrame {
         Ok(df.into())
     }
 
+    #[allow(clippy::should_implement_trait)]
     pub fn clone(&self) -> Self {
         PyDataFrame::new(self.df.clone())
     }
diff --git a/py-polars/src/dataframe/io.rs b/crates/polars-python/src/dataframe/io.rs
similarity index 100%
rename from py-polars/src/dataframe/io.rs
rename to crates/polars-python/src/dataframe/io.rs
diff --git a/py-polars/src/dataframe/mod.rs b/crates/polars-python/src/dataframe/mod.rs
similarity index 100%
rename from py-polars/src/dataframe/mod.rs
rename to crates/polars-python/src/dataframe/mod.rs
diff --git a/py-polars/src/dataframe/serde.rs b/crates/polars-python/src/dataframe/serde.rs
similarity index 100%
rename from py-polars/src/dataframe/serde.rs
rename to crates/polars-python/src/dataframe/serde.rs
diff --git a/py-polars/src/datatypes.rs b/crates/polars-python/src/datatypes.rs
similarity index 100%
rename from py-polars/src/datatypes.rs
rename to crates/polars-python/src/datatypes.rs
diff --git a/py-polars/src/error.rs b/crates/polars-python/src/error.rs
similarity index 100%
rename from py-polars/src/error.rs
rename to crates/polars-python/src/error.rs
diff --git a/py-polars/src/exceptions.rs b/crates/polars-python/src/exceptions.rs
similarity index 100%
rename from py-polars/src/exceptions.rs
rename to crates/polars-python/src/exceptions.rs
diff --git a/py-polars/src/expr/array.rs b/crates/polars-python/src/expr/array.rs
similarity index 100%
rename from py-polars/src/expr/array.rs
rename to crates/polars-python/src/expr/array.rs
diff --git a/py-polars/src/expr/binary.rs b/crates/polars-python/src/expr/binary.rs
similarity index 100%
rename from py-polars/src/expr/binary.rs
rename to crates/polars-python/src/expr/binary.rs
diff --git a/py-polars/src/expr/categorical.rs b/crates/polars-python/src/expr/categorical.rs
similarity index 100%
rename from py-polars/src/expr/categorical.rs
rename to crates/polars-python/src/expr/categorical.rs
diff --git a/py-polars/src/expr/datetime.rs b/crates/polars-python/src/expr/datetime.rs
similarity index 100%
rename from py-polars/src/expr/datetime.rs
rename to crates/polars-python/src/expr/datetime.rs
diff --git a/py-polars/src/expr/general.rs b/crates/polars-python/src/expr/general.rs
similarity index 100%
rename from py-polars/src/expr/general.rs
rename to crates/polars-python/src/expr/general.rs
diff --git a/py-polars/src/expr/list.rs b/crates/polars-python/src/expr/list.rs
similarity index 100%
rename from py-polars/src/expr/list.rs
rename to crates/polars-python/src/expr/list.rs
diff --git a/py-polars/src/expr/meta.rs b/crates/polars-python/src/expr/meta.rs
similarity index 100%
rename from py-polars/src/expr/meta.rs
rename to crates/polars-python/src/expr/meta.rs
diff --git a/py-polars/src/expr/mod.rs b/crates/polars-python/src/expr/mod.rs
similarity index 100%
rename from py-polars/src/expr/mod.rs
rename to crates/polars-python/src/expr/mod.rs
diff --git a/py-polars/src/expr/name.rs b/crates/polars-python/src/expr/name.rs
similarity index 100%
rename from py-polars/src/expr/name.rs
rename to crates/polars-python/src/expr/name.rs
diff --git a/py-polars/src/expr/rolling.rs b/crates/polars-python/src/expr/rolling.rs
similarity index 100%
rename from py-polars/src/expr/rolling.rs
rename to crates/polars-python/src/expr/rolling.rs
diff --git a/py-polars/src/expr/serde.rs b/crates/polars-python/src/expr/serde.rs
similarity index 100%
rename from py-polars/src/expr/serde.rs
rename to crates/polars-python/src/expr/serde.rs
diff --git a/py-polars/src/expr/string.rs b/crates/polars-python/src/expr/string.rs
similarity index 100%
rename from py-polars/src/expr/string.rs
rename to crates/polars-python/src/expr/string.rs
diff --git a/py-polars/src/expr/struct.rs b/crates/polars-python/src/expr/struct.rs
similarity index 100%
rename from py-polars/src/expr/struct.rs
rename to crates/polars-python/src/expr/struct.rs
diff --git a/py-polars/src/file.rs b/crates/polars-python/src/file.rs
similarity index 100%
rename from py-polars/src/file.rs
rename to crates/polars-python/src/file.rs
diff --git a/py-polars/src/functions/aggregation.rs b/crates/polars-python/src/functions/aggregation.rs
similarity index 100%
rename from py-polars/src/functions/aggregation.rs
rename to crates/polars-python/src/functions/aggregation.rs
diff --git a/py-polars/src/functions/business.rs b/crates/polars-python/src/functions/business.rs
similarity index 100%
rename from py-polars/src/functions/business.rs
rename to crates/polars-python/src/functions/business.rs
diff --git a/py-polars/src/functions/eager.rs b/crates/polars-python/src/functions/eager.rs
similarity index 100%
rename from py-polars/src/functions/eager.rs
rename to crates/polars-python/src/functions/eager.rs
diff --git a/py-polars/src/functions/io.rs b/crates/polars-python/src/functions/io.rs
similarity index 100%
rename from py-polars/src/functions/io.rs
rename to crates/polars-python/src/functions/io.rs
diff --git a/py-polars/src/functions/lazy.rs b/crates/polars-python/src/functions/lazy.rs
similarity index 100%
rename from py-polars/src/functions/lazy.rs
rename to crates/polars-python/src/functions/lazy.rs
diff --git a/py-polars/src/functions/meta.rs b/crates/polars-python/src/functions/meta.rs
similarity index 100%
rename from py-polars/src/functions/meta.rs
rename to crates/polars-python/src/functions/meta.rs
diff --git a/py-polars/src/functions/misc.rs b/crates/polars-python/src/functions/misc.rs
similarity index 100%
rename from py-polars/src/functions/misc.rs
rename to crates/polars-python/src/functions/misc.rs
diff --git a/py-polars/src/functions/mod.rs b/crates/polars-python/src/functions/mod.rs
similarity index 100%
rename from py-polars/src/functions/mod.rs
rename to crates/polars-python/src/functions/mod.rs
diff --git a/py-polars/src/functions/random.rs b/crates/polars-python/src/functions/random.rs
similarity index 100%
rename from py-polars/src/functions/random.rs
rename to crates/polars-python/src/functions/random.rs
diff --git a/py-polars/src/functions/range.rs b/crates/polars-python/src/functions/range.rs
similarity index 100%
rename from py-polars/src/functions/range.rs
rename to crates/polars-python/src/functions/range.rs
diff --git a/py-polars/src/functions/string_cache.rs b/crates/polars-python/src/functions/string_cache.rs
similarity index 100%
rename from py-polars/src/functions/string_cache.rs
rename to crates/polars-python/src/functions/string_cache.rs
diff --git a/py-polars/src/functions/whenthen.rs b/crates/polars-python/src/functions/whenthen.rs
similarity index 100%
rename from py-polars/src/functions/whenthen.rs
rename to crates/polars-python/src/functions/whenthen.rs
diff --git a/py-polars/src/gil_once_cell.rs b/crates/polars-python/src/gil_once_cell.rs
similarity index 97%
rename from py-polars/src/gil_once_cell.rs
rename to crates/polars-python/src/gil_once_cell.rs
index 5608283a214c..17a79334560c 100644
--- a/py-polars/src/gil_once_cell.rs
+++ b/crates/polars-python/src/gil_once_cell.rs
@@ -14,6 +14,7 @@ unsafe impl<T: Send> Send for GILOnceCell<T> {}
 
 impl<T> GILOnceCell<T> {
     /// Create a `GILOnceCell` which does not yet contain a value.
+    #[allow(clippy::new_without_default)]
     pub const fn new() -> Self {
         Self(UnsafeCell::new(None))
     }
diff --git a/py-polars/src/interop/arrow/mod.rs b/crates/polars-python/src/interop/arrow/mod.rs
similarity index 100%
rename from py-polars/src/interop/arrow/mod.rs
rename to crates/polars-python/src/interop/arrow/mod.rs
diff --git a/py-polars/src/interop/arrow/to_py.rs b/crates/polars-python/src/interop/arrow/to_py.rs
similarity index 100%
rename from py-polars/src/interop/arrow/to_py.rs
rename to crates/polars-python/src/interop/arrow/to_py.rs
diff --git a/py-polars/src/interop/arrow/to_rust.rs b/crates/polars-python/src/interop/arrow/to_rust.rs
similarity index 100%
rename from py-polars/src/interop/arrow/to_rust.rs
rename to crates/polars-python/src/interop/arrow/to_rust.rs
diff --git a/py-polars/src/interop/mod.rs b/crates/polars-python/src/interop/mod.rs
similarity index 100%
rename from py-polars/src/interop/mod.rs
rename to crates/polars-python/src/interop/mod.rs
diff --git a/py-polars/src/interop/numpy/mod.rs b/crates/polars-python/src/interop/numpy/mod.rs
similarity index 100%
rename from py-polars/src/interop/numpy/mod.rs
rename to crates/polars-python/src/interop/numpy/mod.rs
diff --git a/py-polars/src/interop/numpy/to_numpy_df.rs b/crates/polars-python/src/interop/numpy/to_numpy_df.rs
similarity index 100%
rename from py-polars/src/interop/numpy/to_numpy_df.rs
rename to crates/polars-python/src/interop/numpy/to_numpy_df.rs
diff --git a/py-polars/src/interop/numpy/to_numpy_series.rs b/crates/polars-python/src/interop/numpy/to_numpy_series.rs
similarity index 100%
rename from py-polars/src/interop/numpy/to_numpy_series.rs
rename to crates/polars-python/src/interop/numpy/to_numpy_series.rs
diff --git a/py-polars/src/interop/numpy/utils.rs b/crates/polars-python/src/interop/numpy/utils.rs
similarity index 100%
rename from py-polars/src/interop/numpy/utils.rs
rename to crates/polars-python/src/interop/numpy/utils.rs
diff --git a/py-polars/src/lazyframe/exitable.rs b/crates/polars-python/src/lazyframe/exitable.rs
similarity index 100%
rename from py-polars/src/lazyframe/exitable.rs
rename to crates/polars-python/src/lazyframe/exitable.rs
diff --git a/py-polars/src/lazyframe/mod.rs b/crates/polars-python/src/lazyframe/general.rs
similarity index 99%
rename from py-polars/src/lazyframe/mod.rs
rename to crates/polars-python/src/lazyframe/general.rs
index 5ee140c38f34..7ec2c392cb6e 100644
--- a/py-polars/src/lazyframe/mod.rs
+++ b/crates/polars-python/src/lazyframe/general.rs
@@ -1,12 +1,7 @@
-mod exitable;
-mod visit;
-pub(crate) mod visitor;
 use std::collections::HashMap;
 use std::num::NonZeroUsize;
 use std::path::PathBuf;
-mod serde;
 
-pub use exitable::PyInProcessQuery;
 use polars::io::{HiveOptions, RowIndex};
 use polars::time::*;
 use polars_core::prelude::*;
@@ -16,8 +11,8 @@ use pyo3::exceptions::PyValueError;
 use pyo3::prelude::*;
 use pyo3::pybacked::PyBackedStr;
 use pyo3::types::{PyDict, PyList};
-pub(crate) use visit::PyExprIR;
 
+use super::PyLazyFrame;
 use crate::error::PyPolarsErr;
 use crate::expr::ToExprs;
 use crate::interop::arrow::to_rust::pyarrow_schema_to_rust;
@@ -25,19 +20,6 @@ use crate::lazyframe::visit::NodeTraverser;
 use crate::prelude::*;
 use crate::{PyDataFrame, PyExpr, PyLazyGroupBy};
 
-#[pyclass]
-#[repr(transparent)]
-#[derive(Clone)]
-pub struct PyLazyFrame {
-    pub ldf: LazyFrame,
-}
-
-impl From<LazyFrame> for PyLazyFrame {
-    fn from(ldf: LazyFrame) -> Self {
-        PyLazyFrame { ldf }
-    }
-}
-
 #[pymethods]
 #[allow(clippy::should_implement_trait)]
 impl PyLazyFrame {
diff --git a/crates/polars-python/src/lazyframe/mod.rs b/crates/polars-python/src/lazyframe/mod.rs
new file mode 100644
index 000000000000..6c4f695b47d8
--- /dev/null
+++ b/crates/polars-python/src/lazyframe/mod.rs
@@ -0,0 +1,27 @@
+mod exitable;
+mod general;
+mod serde;
+pub mod visit;
+pub mod visitor;
+
+pub use exitable::PyInProcessQuery;
+use polars_core::prelude::*;
+use pyo3::prelude::*;
+use pyo3::types::PyList;
+
+use crate::error::PyPolarsErr;
+use crate::prelude::*;
+use crate::{PyDataFrame, PyExpr};
+
+#[pyclass]
+#[repr(transparent)]
+#[derive(Clone)]
+pub struct PyLazyFrame {
+    pub ldf: LazyFrame,
+}
+
+impl From<LazyFrame> for PyLazyFrame {
+    fn from(ldf: LazyFrame) -> Self {
+        PyLazyFrame { ldf }
+    }
+}
diff --git a/py-polars/src/lazyframe/serde.rs b/crates/polars-python/src/lazyframe/serde.rs
similarity index 100%
rename from py-polars/src/lazyframe/serde.rs
rename to crates/polars-python/src/lazyframe/serde.rs
diff --git a/py-polars/src/lazyframe/visit.rs b/crates/polars-python/src/lazyframe/visit.rs
similarity index 99%
rename from py-polars/src/lazyframe/visit.rs
rename to crates/polars-python/src/lazyframe/visit.rs
index 5909c628dc7e..c5ef3b8ad9e2 100644
--- a/py-polars/src/lazyframe/visit.rs
+++ b/crates/polars-python/src/lazyframe/visit.rs
@@ -12,7 +12,7 @@ use crate::raise_err;
 
 #[derive(Clone)]
 #[pyclass]
-pub(crate) struct PyExprIR {
+pub struct PyExprIR {
     #[pyo3(get)]
     node: usize,
     #[pyo3(get)]
diff --git a/py-polars/src/lazyframe/visitor/expr_nodes.rs b/crates/polars-python/src/lazyframe/visitor/expr_nodes.rs
similarity index 100%
rename from py-polars/src/lazyframe/visitor/expr_nodes.rs
rename to crates/polars-python/src/lazyframe/visitor/expr_nodes.rs
diff --git a/crates/polars-python/src/lazyframe/visitor/mod.rs b/crates/polars-python/src/lazyframe/visitor/mod.rs
new file mode 100644
index 000000000000..39af9e064b73
--- /dev/null
+++ b/crates/polars-python/src/lazyframe/visitor/mod.rs
@@ -0,0 +1,2 @@
+pub mod expr_nodes;
+pub mod nodes;
diff --git a/py-polars/src/lazyframe/visitor/nodes.rs b/crates/polars-python/src/lazyframe/visitor/nodes.rs
similarity index 100%
rename from py-polars/src/lazyframe/visitor/nodes.rs
rename to crates/polars-python/src/lazyframe/visitor/nodes.rs
diff --git a/py-polars/src/lazygroupby.rs b/crates/polars-python/src/lazygroupby.rs
similarity index 100%
rename from py-polars/src/lazygroupby.rs
rename to crates/polars-python/src/lazygroupby.rs
diff --git a/crates/polars-python/src/lib.rs b/crates/polars-python/src/lib.rs
new file mode 100644
index 000000000000..40d975dc7bb6
--- /dev/null
+++ b/crates/polars-python/src/lib.rs
@@ -0,0 +1,41 @@
+#![allow(clippy::nonstandard_macro_braces)] // Needed because clippy does not understand proc macro of PyO3
+#![allow(clippy::transmute_undefined_repr)]
+#![allow(non_local_definitions)]
+#![allow(clippy::too_many_arguments)] // Python functions can have many arguments due to default arguments
+#![allow(clippy::disallowed_types)]
+
+#[cfg(feature = "csv")]
+pub mod batched_csv;
+#[cfg(feature = "polars_cloud")]
+pub mod cloud;
+pub mod conversion;
+pub mod dataframe;
+pub mod datatypes;
+pub mod error;
+pub mod exceptions;
+pub mod expr;
+pub mod file;
+pub mod functions;
+pub mod gil_once_cell;
+pub mod interop;
+pub mod lazyframe;
+pub mod lazygroupby;
+pub mod map;
+
+#[cfg(feature = "object")]
+pub mod object;
+#[cfg(feature = "object")]
+pub mod on_startup;
+pub mod prelude;
+pub mod py_modules;
+pub mod series;
+#[cfg(feature = "sql")]
+pub mod sql;
+pub mod utils;
+
+use crate::conversion::Wrap;
+use crate::dataframe::PyDataFrame;
+use crate::expr::PyExpr;
+use crate::lazyframe::PyLazyFrame;
+use crate::lazygroupby::PyLazyGroupBy;
+use crate::series::PySeries;
diff --git a/py-polars/src/map/dataframe.rs b/crates/polars-python/src/map/dataframe.rs
similarity index 100%
rename from py-polars/src/map/dataframe.rs
rename to crates/polars-python/src/map/dataframe.rs
diff --git a/py-polars/src/map/lazy.rs b/crates/polars-python/src/map/lazy.rs
similarity index 100%
rename from py-polars/src/map/lazy.rs
rename to crates/polars-python/src/map/lazy.rs
diff --git a/py-polars/src/map/mod.rs b/crates/polars-python/src/map/mod.rs
similarity index 100%
rename from py-polars/src/map/mod.rs
rename to crates/polars-python/src/map/mod.rs
diff --git a/py-polars/src/map/series.rs b/crates/polars-python/src/map/series.rs
similarity index 100%
rename from py-polars/src/map/series.rs
rename to crates/polars-python/src/map/series.rs
diff --git a/py-polars/src/object.rs b/crates/polars-python/src/object.rs
similarity index 100%
rename from py-polars/src/object.rs
rename to crates/polars-python/src/object.rs
diff --git a/py-polars/src/on_startup.rs b/crates/polars-python/src/on_startup.rs
similarity index 100%
rename from py-polars/src/on_startup.rs
rename to crates/polars-python/src/on_startup.rs
diff --git a/py-polars/src/prelude.rs b/crates/polars-python/src/prelude.rs
similarity index 100%
rename from py-polars/src/prelude.rs
rename to crates/polars-python/src/prelude.rs
diff --git a/py-polars/src/py_modules.rs b/crates/polars-python/src/py_modules.rs
similarity index 100%
rename from py-polars/src/py_modules.rs
rename to crates/polars-python/src/py_modules.rs
diff --git a/py-polars/src/series/aggregation.rs b/crates/polars-python/src/series/aggregation.rs
similarity index 100%
rename from py-polars/src/series/aggregation.rs
rename to crates/polars-python/src/series/aggregation.rs
diff --git a/py-polars/src/series/arithmetic.rs b/crates/polars-python/src/series/arithmetic.rs
similarity index 100%
rename from py-polars/src/series/arithmetic.rs
rename to crates/polars-python/src/series/arithmetic.rs
diff --git a/py-polars/src/series/buffers.rs b/crates/polars-python/src/series/buffers.rs
similarity index 100%
rename from py-polars/src/series/buffers.rs
rename to crates/polars-python/src/series/buffers.rs
diff --git a/py-polars/src/series/c_interface.rs b/crates/polars-python/src/series/c_interface.rs
similarity index 100%
rename from py-polars/src/series/c_interface.rs
rename to crates/polars-python/src/series/c_interface.rs
diff --git a/py-polars/src/series/comparison.rs b/crates/polars-python/src/series/comparison.rs
similarity index 100%
rename from py-polars/src/series/comparison.rs
rename to crates/polars-python/src/series/comparison.rs
diff --git a/py-polars/src/series/construction.rs b/crates/polars-python/src/series/construction.rs
similarity index 100%
rename from py-polars/src/series/construction.rs
rename to crates/polars-python/src/series/construction.rs
diff --git a/py-polars/src/series/export.rs b/crates/polars-python/src/series/export.rs
similarity index 100%
rename from py-polars/src/series/export.rs
rename to crates/polars-python/src/series/export.rs
diff --git a/py-polars/src/series/mod.rs b/crates/polars-python/src/series/general.rs
similarity index 94%
rename from py-polars/src/series/mod.rs
rename to crates/polars-python/src/series/general.rs
index 153a2dc12df3..917780577da5 100644
--- a/py-polars/src/series/mod.rs
+++ b/crates/polars-python/src/series/general.rs
@@ -1,73 +1,11 @@
-mod aggregation;
-mod arithmetic;
-mod buffers;
-mod c_interface;
-mod comparison;
-mod construction;
-mod export;
-mod import;
-mod numpy_ufunc;
-mod scatter;
-
-use std::io::Cursor;
-
-use polars_core::chunked_array::cast::CastOptions;
-use polars_core::series::IsSorted;
-use polars_core::utils::flatten::flatten_series;
-use polars_core::{with_match_physical_numeric_polars_type, with_match_physical_numeric_type};
-use pyo3::exceptions::{PyIndexError, PyRuntimeError, PyValueError};
 use pyo3::prelude::*;
-use pyo3::types::PyBytes;
 use pyo3::Python;
 
-use crate::dataframe::PyDataFrame;
+use super::{PySeries, *};
 use crate::error::PyPolarsErr;
-use crate::map::series::{call_lambda_and_extract, ApplyLambda};
 use crate::prelude::*;
-use crate::py_modules::POLARS;
 use crate::{apply_method_all_arrow_series2, raise_err};
 
-#[pyclass]
-#[repr(transparent)]
-#[derive(Clone)]
-pub struct PySeries {
-    pub series: Series,
-}
-
-impl From<Series> for PySeries {
-    fn from(series: Series) -> Self {
-        PySeries { series }
-    }
-}
-
-impl PySeries {
-    pub(crate) fn new(series: Series) -> Self {
-        PySeries { series }
-    }
-}
-
-pub(crate) trait ToSeries {
-    fn to_series(self) -> Vec<Series>;
-}
-
-impl ToSeries for Vec<PySeries> {
-    fn to_series(self) -> Vec<Series> {
-        // SAFETY: repr is transparent.
-        unsafe { std::mem::transmute(self) }
-    }
-}
-
-pub(crate) trait ToPySeries {
-    fn to_pyseries(self) -> Vec<PySeries>;
-}
-
-impl ToPySeries for Vec<Series> {
-    fn to_pyseries(self) -> Vec<PySeries> {
-        // SAFETY: repr is transparent.
-        unsafe { std::mem::transmute(self) }
-    }
-}
-
 #[pymethods]
 impl PySeries {
     fn struct_unnest(&self) -> PyResult<PyDataFrame> {
@@ -162,7 +100,7 @@ impl PySeries {
         }
     }
 
-    fn rechunk(&mut self, in_place: bool) -> Option<Self> {
+    pub fn rechunk(&mut self, in_place: bool) -> Option<Self> {
         let series = self.series.rechunk();
         if in_place {
             self.series = series;
@@ -242,7 +180,7 @@ impl PySeries {
         self.series.chunk_lengths().collect()
     }
 
-    fn name(&self) -> &str {
+    pub fn name(&self) -> &str {
         self.series.name()
     }
 
@@ -351,7 +289,8 @@ impl PySeries {
         Ok(format!("{:?}", self.series))
     }
 
-    fn len(&self) -> usize {
+    #[allow(clippy::len_without_is_empty)]
+    pub fn len(&self) -> usize {
         self.series.len()
     }
 
diff --git a/py-polars/src/series/import.rs b/crates/polars-python/src/series/import.rs
similarity index 100%
rename from py-polars/src/series/import.rs
rename to crates/polars-python/src/series/import.rs
diff --git a/crates/polars-python/src/series/mod.rs b/crates/polars-python/src/series/mod.rs
new file mode 100644
index 000000000000..7f673e192c3b
--- /dev/null
+++ b/crates/polars-python/src/series/mod.rs
@@ -0,0 +1,70 @@
+mod aggregation;
+mod arithmetic;
+mod buffers;
+mod c_interface;
+mod comparison;
+mod construction;
+mod export;
+mod general;
+mod import;
+mod numpy_ufunc;
+mod scatter;
+
+use std::io::Cursor;
+
+use polars_core::chunked_array::cast::CastOptions;
+use polars_core::series::IsSorted;
+use polars_core::utils::flatten::flatten_series;
+use polars_core::{with_match_physical_numeric_polars_type, with_match_physical_numeric_type};
+use pyo3::exceptions::{PyIndexError, PyRuntimeError, PyValueError};
+use pyo3::prelude::*;
+use pyo3::types::PyBytes;
+use pyo3::Python;
+
+use crate::dataframe::PyDataFrame;
+use crate::error::PyPolarsErr;
+use crate::map::series::{call_lambda_and_extract, ApplyLambda};
+use crate::prelude::*;
+use crate::py_modules::POLARS;
+use crate::raise_err;
+
+#[pyclass]
+#[repr(transparent)]
+#[derive(Clone)]
+pub struct PySeries {
+    pub series: Series,
+}
+
+impl From<Series> for PySeries {
+    fn from(series: Series) -> Self {
+        PySeries { series }
+    }
+}
+
+impl PySeries {
+    pub(crate) fn new(series: Series) -> Self {
+        PySeries { series }
+    }
+}
+
+pub(crate) trait ToSeries {
+    fn to_series(self) -> Vec<Series>;
+}
+
+impl ToSeries for Vec<PySeries> {
+    fn to_series(self) -> Vec<Series> {
+        // SAFETY: repr is transparent.
+        unsafe { std::mem::transmute(self) }
+    }
+}
+
+pub(crate) trait ToPySeries {
+    fn to_pyseries(self) -> Vec<PySeries>;
+}
+
+impl ToPySeries for Vec<Series> {
+    fn to_pyseries(self) -> Vec<PySeries> {
+        // SAFETY: repr is transparent.
+        unsafe { std::mem::transmute(self) }
+    }
+}
diff --git a/py-polars/src/series/numpy_ufunc.rs b/crates/polars-python/src/series/numpy_ufunc.rs
similarity index 100%
rename from py-polars/src/series/numpy_ufunc.rs
rename to crates/polars-python/src/series/numpy_ufunc.rs
diff --git a/py-polars/src/series/scatter.rs b/crates/polars-python/src/series/scatter.rs
similarity index 100%
rename from py-polars/src/series/scatter.rs
rename to crates/polars-python/src/series/scatter.rs
diff --git a/py-polars/src/sql.rs b/crates/polars-python/src/sql.rs
similarity index 100%
rename from py-polars/src/sql.rs
rename to crates/polars-python/src/sql.rs
diff --git a/py-polars/src/utils.rs b/crates/polars-python/src/utils.rs
similarity index 100%
rename from py-polars/src/utils.rs
rename to crates/polars-python/src/utils.rs
diff --git a/crates/polars/tests/it/io/parquet/read/file.rs b/crates/polars/tests/it/io/parquet/read/file.rs
index 1f069d651af2..d2ff7ee65630 100644
--- a/crates/polars/tests/it/io/parquet/read/file.rs
+++ b/crates/polars/tests/it/io/parquet/read/file.rs
@@ -52,11 +52,6 @@ impl<R: Read + Seek> FileReader<R> {
         }
         Ok(result)
     }
-
-    /// Returns the [`ArrowSchema`] associated to this file.
-    pub fn schema(&self) -> &ArrowSchema {
-        &self.row_groups.schema
-    }
 }
 
 impl<R: Read + Seek> Iterator for FileReader<R> {
diff --git a/py-polars/Cargo.toml b/py-polars/Cargo.toml
index 0d01dccfba3e..4ec3e69d5d9f 100644
--- a/py-polars/Cargo.toml
+++ b/py-polars/Cargo.toml
@@ -8,104 +8,9 @@ name = "polars"
 crate-type = ["cdylib"]
 
 [dependencies]
-polars-core = { workspace = true, features = ["python"] }
-polars-error = { workspace = true }
-polars-io = { workspace = true }
-polars-lazy = { workspace = true, features = ["python"] }
-polars-ops = { workspace = true }
-polars-parquet = { workspace = true, optional = true }
-polars-plan = { workspace = true }
-polars-time = { workspace = true }
-polars-utils = { workspace = true }
-
-# TODO! remove this once truly activated. This is required to make sdist building work
-polars-stream = { workspace = true }
-
-ahash = { workspace = true }
-arboard = { workspace = true, optional = true }
-bytemuck = { workspace = true }
-ciborium = { workspace = true }
-either = { workspace = true }
-itoa = { workspace = true }
-libc = "0.2"
-ndarray = { workspace = true }
-num-traits = { workspace = true }
-# TODO: Pin to released version once NumPy 2.0 support is merged
-# https://github.com/PyO3/rust-numpy/issues/409
-numpy = { git = "https://github.com/stinodego/rust-numpy.git", rev = "9ba9962ae57ba26e35babdce6f179edf5fe5b9c8", default-features = false }
-once_cell = { workspace = true }
+libc = { workspace = true }
+polars-python = { workspace = true }
 pyo3 = { workspace = true, features = ["abi3-py38", "chrono", "extension-module", "multiple-pymethods"] }
-recursive = { workspace = true }
-serde_json = { workspace = true, optional = true }
-smartstring = { workspace = true }
-thiserror = { workspace = true }
-
-[dependencies.polars]
-workspace = true
-features = [
-  "abs",
-  "approx_unique",
-  "array_any_all",
-  "arg_where",
-  "business",
-  "concat_str",
-  "cum_agg",
-  "cumulative_eval",
-  "dataframe_arithmetic",
-  "month_start",
-  "month_end",
-  "offset_by",
-  "diagonal_concat",
-  "diff",
-  "dot_diagram",
-  "dot_product",
-  "dtype-categorical",
-  "dtype-full",
-  "dynamic_group_by",
-  "ewma",
-  "ewma_by",
-  "fmt",
-  "fused",
-  "interpolate",
-  "interpolate_by",
-  "is_first_distinct",
-  "is_last_distinct",
-  "is_unique",
-  "is_between",
-  "lazy",
-  "list_eval",
-  "list_to_struct",
-  "array_to_struct",
-  "log",
-  "mode",
-  "moment",
-  "ndarray",
-  "partition_by",
-  "product",
-  "random",
-  "range",
-  "rank",
-  "reinterpret",
-  "replace",
-  "rolling_window",
-  "rolling_window_by",
-  "round_series",
-  "row_hash",
-  "rows",
-  "semi_anti_join",
-  "serde-lazy",
-  "string_encoding",
-  "string_reverse",
-  "string_to_integer",
-  "string_pad",
-  "strings",
-  "temporal",
-  "to_dummies",
-  "true_div",
-  "unique_counts",
-  "zip_with",
-  "cov",
-]
 
 [build-dependencies]
 built = { version = "0.7", features = ["chrono", "git2", "cargo-lock"], optional = true }
@@ -121,145 +26,87 @@ jemallocator = { version = "0.5", features = ["disable_initial_exec_tls", "backg
 jemallocator = { version = "0.5", features = ["disable_initial_exec_tls"] }
 
 [features]
-# Features below are only there to enable building a slim binary during development.
-avro = ["polars/avro"]
-parquet = ["polars/parquet", "polars-parquet"]
-ipc = ["polars/ipc"]
-ipc_streaming = ["polars/ipc_streaming"]
-is_in = ["polars/is_in"]
-json = ["polars/serde", "serde_json", "polars/json"]
-trigonometry = ["polars/trigonometry"]
-sign = ["polars/sign"]
-asof_join = ["polars/asof_join"]
-cross_join = ["polars/cross_join"]
-pct_change = ["polars/pct_change"]
-repeat_by = ["polars/repeat_by"]
-# also includes simd
-nightly = ["polars/nightly"]
-streaming = ["polars/streaming"]
-meta = ["polars/meta"]
-search_sorted = ["polars/search_sorted"]
-decompress = ["polars/decompress-fast"]
-regex = ["polars/regex"]
-csv = ["polars/csv"]
-clipboard = ["arboard"]
-extract_jsonpath = ["polars/extract_jsonpath"]
-pivot = ["polars/pivot"]
-top_k = ["polars/top_k"]
-propagate_nans = ["polars/propagate_nans"]
-sql = ["polars/sql"]
+# Features used in this crate
 build_info = ["dep:built"]
-performant = ["polars/performant"]
-timezones = ["polars/timezones"]
-cse = ["polars/cse"]
-merge_sorted = ["polars/merge_sorted"]
-list_gather = ["polars/list_gather"]
-list_count = ["polars/list_count"]
-array_count = ["polars/array_count", "polars/dtype-array"]
-binary_encoding = ["polars/binary_encoding"]
-list_sets = ["polars-lazy/list_sets"]
-list_any_all = ["polars/list_any_all"]
-array_any_all = ["polars/array_any_all", "polars/dtype-array"]
-list_drop_nulls = ["polars/list_drop_nulls"]
-list_sample = ["polars/list_sample"]
-cutqcut = ["polars/cutqcut"]
-rle = ["polars/rle"]
-extract_groups = ["polars/extract_groups"]
-ffi_plugin = ["polars-plan/ffi_plugin"]
-cloud = ["polars/cloud", "polars/aws", "polars/gcp", "polars/azure", "polars/http"]
-peaks = ["polars/peaks"]
-hist = ["polars/hist"]
-find_many = ["polars/find_many"]
-new_streaming = ["polars-lazy/new_streaming"]
-
-dtype-i8 = []
-dtype-i16 = []
-dtype-u8 = []
-dtype-u16 = []
-dtype-array = []
-object = ["polars/object"]
-
-dtypes = [
-  "dtype-array",
-  "dtype-i16",
-  "dtype-i8",
-  "dtype-u16",
-  "dtype-u8",
-  "object",
-]
-
-operations = [
-  "array_any_all",
-  "array_count",
-  "is_in",
-  "repeat_by",
-  "trigonometry",
-  "sign",
-  "performant",
-  "list_gather",
-  "list_count",
-  "list_sets",
-  "list_any_all",
-  "list_drop_nulls",
-  "list_sample",
-  "cutqcut",
-  "rle",
-  "extract_groups",
-  "pivot",
-  "extract_jsonpath",
-  "asof_join",
-  "cross_join",
-  "pct_change",
-  "search_sorted",
-  "merge_sorted",
-  "top_k",
-  "propagate_nans",
-  "timezones",
-  "peaks",
-  "hist",
-  "find_many",
-]
-
-io = [
-  "json",
-  "parquet",
-  "ipc",
-  "ipc_streaming",
-  "avro",
-  "csv",
-  "cloud",
-  "clipboard",
-]
-
-optimizations = [
-  "cse",
-  "polars/fused",
-  "streaming",
-]
-
-polars_cloud = ["polars/polars_cloud"]
+ffi_plugin = ["polars-python/ffi_plugin"]
+csv = ["polars-python/csv"]
+polars_cloud = ["polars-python/polars_cloud"]
+object = ["polars-python/object"]
+clipboard = ["polars-python/clipboard"]
+sql = ["polars-python/sql"]
+trigonometry = ["polars-python/trigonometry"]
+parquet = ["polars-python/parquet"]
+ipc = ["polars-python/ipc"]
+
+# Features passed through to the polars-python crate
+avro = ["polars-python/avro"]
+ipc_streaming = ["polars-python/ipc_streaming"]
+is_in = ["polars-python/is_in"]
+json = ["polars-python/json"]
+sign = ["polars-python/sign"]
+asof_join = ["polars-python/asof_join"]
+cross_join = ["polars-python/cross_join"]
+pct_change = ["polars-python/pct_change"]
+repeat_by = ["polars-python/repeat_by"]
+# also includes simd
+nightly = ["polars-python/nightly"]
+streaming = ["polars-python/streaming"]
+meta = ["polars-python/meta"]
+search_sorted = ["polars-python/search_sorted"]
+decompress = ["polars-python/decompress"]
+regex = ["polars-python/regex"]
+extract_jsonpath = ["polars-python/extract_jsonpath"]
+pivot = ["polars-python/pivot"]
+top_k = ["polars-python/top_k"]
+propagate_nans = ["polars-python/propagate_nans"]
+performant = ["polars-python/performant"]
+timezones = ["polars-python/timezones"]
+cse = ["polars-python/cse"]
+merge_sorted = ["polars-python/merge_sorted"]
+list_gather = ["polars-python/list_gather"]
+list_count = ["polars-python/list_count"]
+array_count = ["polars-python/array_count"]
+binary_encoding = ["polars-python/binary_encoding"]
+list_sets = ["polars-python/list_sets"]
+list_any_all = ["polars-python/list_any_all"]
+array_any_all = ["polars-python/array_any_all"]
+list_drop_nulls = ["polars-python/list_drop_nulls"]
+list_sample = ["polars-python/list_sample"]
+cutqcut = ["polars-python/cutqcut"]
+rle = ["polars-python/rle"]
+extract_groups = ["polars-python/extract_groups"]
+cloud = ["polars-python/cloud"]
+peaks = ["polars-python/peaks"]
+hist = ["polars-python/hist"]
+find_many = ["polars-python/find_many"]
+new_streaming = ["polars-python/new_streaming"]
+
+dtype-i8 = ["polars-python/dtype-i8"]
+dtype-i16 = ["polars-python/dtype-i16"]
+dtype-u8 = ["polars-python/dtype-u8"]
+dtype-u16 = ["polars-python/dtype-u16"]
+dtype-array = ["polars-python/dtype-array"]
+
+dtypes = ["polars-python/dtypes"]
+
+operations = ["polars-python/operations"]
+
+io = ["polars-python/io"]
+
+optimizations = ["polars-python/optimizations"]
 
 all = [
-  "optimizations",
-  "io",
-  "operations",
-  "dtypes",
-  "meta",
-  "decompress",
-  "regex",
   "build_info",
-  "sql",
-  "binary_encoding",
   "ffi_plugin",
+  "csv",
   "polars_cloud",
-  # "new_streaming",
+  "object",
+  "clipboard",
+  "sql",
+  "trigonometry",
+  "parquet",
+  "ipc",
+  "polars-python/all",
 ]
 
-# we cannot conditionally activate simd
-# https://github.com/rust-lang/cargo/issues/1197
-# so we have an indirection and compile
-# with --no-default-features --features=all for targets without simd
-default = [
-  "all",
-  "nightly",
-]
+default = ["all", "nightly"]
diff --git a/py-polars/src/lazyframe/visitor/mod.rs b/py-polars/src/lazyframe/visitor/mod.rs
deleted file mode 100644
index 674049b9bb42..000000000000
--- a/py-polars/src/lazyframe/visitor/mod.rs
+++ /dev/null
@@ -1,2 +0,0 @@
-pub(crate) mod expr_nodes;
-pub(crate) mod nodes;
diff --git a/py-polars/src/lib.rs b/py-polars/src/lib.rs
index 2f597c9b4333..8f05386d6c11 100644
--- a/py-polars/src/lib.rs
+++ b/py-polars/src/lib.rs
@@ -10,55 +10,31 @@ mod build {
 }
 
 mod allocator;
-#[cfg(feature = "csv")]
-mod batched_csv;
-#[cfg(feature = "polars_cloud")]
-mod cloud;
-mod conversion;
-mod dataframe;
-mod datatypes;
-mod error;
-mod exceptions;
-mod expr;
-mod file;
-mod functions;
-mod gil_once_cell;
-mod interop;
-mod lazyframe;
-mod lazygroupby;
-mod map;
 #[cfg(debug_assertions)]
 mod memory;
+
+use allocator::create_allocator_capsule;
+#[cfg(feature = "csv")]
+use polars_python::batched_csv::PyBatchedCsv;
+#[cfg(feature = "polars_cloud")]
+use polars_python::cloud;
+use polars_python::dataframe::PyDataFrame;
+use polars_python::expr::PyExpr;
+use polars_python::functions::PyStringCacheHolder;
+use polars_python::lazyframe::{PyInProcessQuery, PyLazyFrame};
+use polars_python::lazygroupby::PyLazyGroupBy;
 #[cfg(feature = "object")]
-mod object;
-#[cfg(feature = "object")]
-mod on_startup;
-mod prelude;
-mod py_modules;
-mod series;
+use polars_python::on_startup;
+use polars_python::series::PySeries;
 #[cfg(feature = "sql")]
-mod sql;
-mod utils;
-
+use polars_python::sql::PySQLContext;
+use polars_python::{exceptions, functions};
 use pyo3::prelude::*;
 use pyo3::{wrap_pyfunction, wrap_pymodule};
 
-use crate::allocator::create_allocator_capsule;
-#[cfg(feature = "csv")]
-use crate::batched_csv::PyBatchedCsv;
-use crate::conversion::Wrap;
-use crate::dataframe::PyDataFrame;
-use crate::expr::PyExpr;
-use crate::functions::PyStringCacheHolder;
-use crate::lazyframe::{PyInProcessQuery, PyLazyFrame};
-use crate::lazygroupby::PyLazyGroupBy;
-use crate::series::PySeries;
-#[cfg(feature = "sql")]
-use crate::sql::PySQLContext;
-
 #[pymodule]
 fn _ir_nodes(_py: Python, m: &Bound<PyModule>) -> PyResult<()> {
-    use crate::lazyframe::visitor::nodes::*;
+    use polars_python::lazyframe::visitor::nodes::*;
     m.add_class::<PythonScan>().unwrap();
     m.add_class::<Slice>().unwrap();
     m.add_class::<Filter>().unwrap();
@@ -83,8 +59,8 @@ fn _ir_nodes(_py: Python, m: &Bound<PyModule>) -> PyResult<()> {
 
 #[pymodule]
 fn _expr_nodes(_py: Python, m: &Bound<PyModule>) -> PyResult<()> {
-    use crate::lazyframe::visitor::expr_nodes::*;
-    use crate::lazyframe::PyExprIR;
+    use polars_python::lazyframe::visit::PyExprIR;
+    use polars_python::lazyframe::visitor::expr_nodes::*;
     // Expressions
     m.add_class::<PyExprIR>().unwrap();
     m.add_class::<Alias>().unwrap();
@@ -133,6 +109,7 @@ fn polars(py: Python, m: &Bound<PyModule>) -> PyResult<()> {
     m.add_wrapped(wrap_pymodule!(_ir_nodes))?;
     // Expr objects
     m.add_wrapped(wrap_pymodule!(_expr_nodes))?;
+
     // Functions - eager
     m.add_wrapped(wrap_pyfunction!(functions::concat_df))
         .unwrap();