polars 0.17.0

DataFrame Library based on Apache Arrow
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205

[package]
name = "polars"
version = "0.17.0"
authors = ["ritchie46 <ritchie46@gmail.com>"]
edition = "2018"
license = "MIT"
description = "DataFrame Library based on Apache Arrow"
repository = "https://github.com/pola-rs/polars"
readme = "../README.md"

[features]
rows = ["polars-core/rows"]
simd = ["polars-core/simd"]
avx512 = ["polars-core/avx512"]
docs = ["polars-core/docs"]
temporal = ["polars-core/temporal", "polars-lazy/temporal", "polars-io/temporal"]
random = ["polars-core/random"]
default = ["docs",
    "zip_with",
    "csv-file",
    "temporal",
    "performant",
    "plain_fmt",
    "dtype-slim",
]
ndarray = ["polars-core/ndarray"]
# serde support for dataframes and series
serde = ["polars-core/serde"]
parquet = ["polars-io", "polars-core/parquet", "polars-lazy/parquet", "polars-io/parquet"]
lazy = ["polars-core/lazy", "polars-lazy", "polars-lazy/compile"]
# commented out until UB is fixed
#parallel = ["polars-core/parallel"]

# extra utilities for Utf8Chunked
strings = ["polars-core/strings"]

# support for ObjectChunked<T> (downcastable Series of any type)
object = ["polars-core/object"]

# support for arrows json parsing
json = ["polars-io", "polars-io/json"]

# support for arrows ipc file parsing
ipc = ["polars-io", "polars-io/ipc"]

# support for arrows csv file parsing
csv-file = ["polars-io", "polars-io/csv-file", "polars-lazy/csv-file"]

# ~40% faster chunkedarray creation, but may lead to unexpected panic if iterator incorrectly sets a size_hint
# that fits a TrustedLen iterator.
performant = ["polars-core/performant"]

# Choose one of those features for dataframe formatting.
#   - plain_fmt: less compile times, simpler formatting
#   - pretty_fmt: better looking dataframes for increase compile times
plain_fmt = ["polars-core/plain_fmt"]
pretty_fmt = ["polars-core/pretty_fmt"]

# features
# resample operation on DataFrame
pivot = ["polars-core/pivot"]
# resample operation on DataFrame
downsample = ["polars-core/downsample"]
# sort by multiple columns
sort_multiple = ["polars-core/sort_multiple"]

# extra operations
is_in = ["polars-core/is_in", "polars-lazy/is_in"]
zip_with = ["polars-core/zip_with"]
round_series = ["polars-core/round_series", "polars-lazy/round_series"]
checked_arithmetic = ["polars-core/checked_arithmetic"]
repeat_by = ["polars-core/repeat_by", "polars-lazy/repeat_by"]
is_first = ["polars-core/is_first", "polars-lazy/is_first"]
is_last = ["polars-core/is_last"]
asof_join = ["polars-core/asof_join", "polars-lazy/asof_join"]
cross_join = ["polars-core/cross_join", "polars-lazy/cross_join"]
dot_product = ["polars-core/dot_product", "polars-lazy/dot_product"]
concat_str = ["polars-core/concat_str", "polars-lazy/concat_str"]
row_hash = ["polars-core/row_hash"]
reinterpret = ["polars-core/reinterpret"]
decompress = ["polars-io/decompress"]
decompress-fast = ["polars-io/decompress-fast"]
mode = ["polars-core/mode", "polars-lazy/mode"]
take_opt_iter = ["polars-core/take_opt_iter"]
extract_jsonpath = ["polars-core/extract_jsonpath", "polars-core/strings"]
groupby_list = ["polars-core/groupby_list"]
lazy_regex = ["polars-lazy/regex"]
cum_agg = ["polars-core/cum_agg", "polars-core/cum_agg"]
rolling_window = ["polars-core/rolling_window", "polars-lazy/rolling_window"]
interpolate = ["polars-core/interpolate", "polars-lazy/interpolate"]
list = ["polars-core/list", "polars-lazy/list"]
rank = ["polars-core/rank", "polars-lazy/rank"]
diff = ["polars-core/diff", "polars-lazy/diff"]
moment = ["polars-core/moment", "polars-lazy/moment"]
arange = ["polars-lazy/arange"]
true_div = ["polars-lazy/true_div"]

# don't use this
private = ["polars-lazy/private"]

# all opt-in datatypes
dtype-full = [
    "dtype-date",
    "dtype-datetime",
    "dtype-time",
    "dtype-i8",
    "dtype-i16",
    "dtype-u8",
    "dtype-u16",
    "dtype-categorical",
]

# sensible minimal set of opt-in datatypes
dtype-slim = [
    "dtype-date",
    "dtype-datetime",
]

# opt-in datatypes for Series
dtype-date = ["polars-core/dtype-date", "polars-lazy/dtype-date", "polars-io/dtype-date"]
dtype-datetime= ["polars-core/dtype-datetime", "polars-lazy/dtype-datetime", "polars-io/dtype-datetime"]
dtype-time= ["polars-core/dtype-time", "polars-io/dtype-time"]
dtype-i8 = ["polars-core/dtype-i8", "polars-lazy/dtype-i8"]
dtype-i16 = ["polars-core/dtype-i16", "polars-lazy/dtype-i16"]
dtype-u8 = ["polars-core/dtype-u8", "polars-lazy/dtype-u8"]
dtype-u16 = ["polars-core/dtype-u16", "polars-lazy/dtype-u16"]
dtype-categorical = ["polars-core/dtype-categorical"]

docs-selection = [
    "csv-file",
    "json",
    "parquet",
    "ipc",
    "dtype-full",
    "pivot",
    "is_in",
    "sort_multiple",
    "rows",
    "docs",
    "strings",
    "object",
    "lazy",
    "temporal",
    "random",
    "zip_with",
    "round_series",
    "checked_arithmetic",
    "ndarray",
    "downsample",
    "repeat_by",
    "is_first",
    "is_last",
    "asof_join",
    "cross_join",
    "concat_str",
    "decompress",
    "mode",
    "take_opt_iter",
    "extract_jsonpath",
    "cum_agg",
    "rolling_window",
    "interpolate",
    "diff",
    "rank",
    "list",
    "arange"
]

[dependencies]
polars-core = {version = "0.17.0", path = "./polars-core", features= ["docs", "private"], default-features = false}
polars-io = {version = "0.17.0", path = "./polars-io", features = ["private"], default-features = false, optional=true}
polars-lazy = {version = "0.17.0", path = "./polars-lazy", features=["private"], default-features = false, optional=true}

[dev-dependencies]
criterion = "0.3"
lazy_static = "1.4"
rand = "0.8"
ahash = "0.7"

# see: https://bheisler.github.io/criterion.rs/book/faq.html
[lib]
bench = false

[[bench]]
name = "csv"
harness = false

[[bench]]
name = "groupby"
harness = false

[[bench]]
name = "collect"
harness = false

[[bench]]
name = "take"
harness = false

[package.metadata.docs.rs]
# not all because arrow 4.3 does not compile with simd
#all-features = true
features = ["docs-selection"]
# defines the configuration attribute `docsrs`
rustdoc-args = ["--cfg", "docsrs"]