From 748432edb4efbeee4b049a4784d6c1b21290f4a8 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Mon, 4 Mar 2024 17:23:44 +0530
Subject: [PATCH 01/32] Create initial Pyodide workflow

---
 .github/workflows/emscripten.yml | 74 ++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 .github/workflows/emscripten.yml

diff --git a/.github/workflows/emscripten.yml b/.github/workflows/emscripten.yml
new file mode 100644
index 0000000000000..ded71ad31e46c
--- /dev/null
+++ b/.github/workflows/emscripten.yml
@@ -0,0 +1,74 @@
+name: Test Emscripten/Pyodide build
+
+on:
+# TODO: refine when this workflow should run when this
+# is ready for use or before merging
+  pull_request:
+  push:
+  workflow_dispatch:
+
+env:
+  FORCE_COLOR: 3
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  build-wasm-emscripten:
+    name: Build pandas distribution for Pyodide
+    runs-on: ubuntu-22.04
+    # To enable this workflow on a fork, comment out:
+    # if: github.repository == 'pandas-dev/pandas'
+    env:
+      PYODIDE_VERSION: 0.25.0
+      # PYTHON_VERSION and EMSCRIPTEN_VERSION are determined by PYODIDE_VERSION.
+      # The appropriate versions can be found in the Pyodide repodata.json
+      # "info" field, or in Makefile.envs:
+      # https://github.com/pyodide/pyodide/blob/main/Makefile.envs#L2
+      PYTHON_VERSION: 3.11.3
+      EMSCRIPTEN_VERSION: 3.1.46
+      NODE_VERSION: 18
+    steps:
+      - name: Checkout pandas
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python ${{ env.PYTHON_VERSION }}
+        id: setup-python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+
+      - name: Set up Emscripten toolchain
+        uses: mymindstorm/setup-emsdk@v14
+        with:
+          version: ${{ env.EMSCRIPTEN_VERSION }}
+          actions-cache-folder: emsdk-cache
+
+      - name: Install pyodide-build
+        run: pip install "pydantic<2" pyodide-build==${{ env.PYODIDE_VERSION }}
+
+      - name: Build pandas for Pyodide
+        run: |
+          # pyodide build -Ceditable-verbose=true
+          pyodide build
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
+      - name: Set up Pyodide virtual environment
+        run: |
+          pyodide venv .venv-pyodide
+          source .venv-pyodide/bin/activate
+          pip install dist/*.whl
+
+      - name: Test pandas for Pyodide
+        run: |
+          source .venv-pyodide/bin/activate
+          export PANDAS_CI=1
+          pip install pytest
+          python -m pytest -m 'not slow and not network and not clipboard and not single_cpu' pandas

From 05b24001db9e6dced014d37b2eb42783c9126ccd Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Tue, 5 Mar 2024 17:12:49 +0530
Subject: [PATCH 02/32] Do not import pandas folder from the repo

---
 .github/workflows/emscripten.yml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/emscripten.yml b/.github/workflows/emscripten.yml
index ded71ad31e46c..60ed319188b8d 100644
--- a/.github/workflows/emscripten.yml
+++ b/.github/workflows/emscripten.yml
@@ -70,5 +70,7 @@ jobs:
         run: |
           source .venv-pyodide/bin/activate
           export PANDAS_CI=1
-          pip install pytest
-          python -m pytest -m 'not slow and not network and not clipboard and not single_cpu' pandas
+          pip install "pytest<8.1.0"
+          # do not import pandas from the checked out repo
+          cd ..
+          python -c 'import pandas as pd; pd.test(extra_args=["-m not clipboard and not single_cpu and not slow and not network and not db"])'

From f159469c266b6804728a0c5e59f81fac34ad649f Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Tue, 5 Mar 2024 17:18:53 +0530
Subject: [PATCH 03/32] Install hypothesis for testing

---
 .github/workflows/emscripten.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/emscripten.yml b/.github/workflows/emscripten.yml
index 60ed319188b8d..4af2cb85d471e 100644
--- a/.github/workflows/emscripten.yml
+++ b/.github/workflows/emscripten.yml
@@ -70,7 +70,7 @@ jobs:
         run: |
           source .venv-pyodide/bin/activate
           export PANDAS_CI=1
-          pip install "pytest<8.1.0"
+          pip install "pytest<8.1.0" hypothesis
           # do not import pandas from the checked out repo
           cd ..
           python -c 'import pandas as pd; pd.test(extra_args=["-m not clipboard and not single_cpu and not slow and not network and not db"])'

From 1713c8664c1b8a007a2815984da251df05d78d32 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Tue, 5 Mar 2024 18:22:56 +0530
Subject: [PATCH 04/32] Add pytest decorator to skip tests on WASM

---
 pandas/util/_test_decorators.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pandas/util/_test_decorators.py b/pandas/util/_test_decorators.py
index 78626781289c4..76b4ad90abcf3 100644
--- a/pandas/util/_test_decorators.py
+++ b/pandas/util/_test_decorators.py
@@ -25,6 +25,8 @@ def test_foo():
 """
 from __future__ import annotations
 
+import sys
+import platform
 import locale
 from typing import (
     TYPE_CHECKING,
@@ -114,6 +116,10 @@ def skip_if_no(package: str, min_version: str | None = None) -> pytest.MarkDecor
     locale.getlocale()[0] != "en_US",
     reason=f"Set local {locale.getlocale()[0]} is not en_US",
 )
+skip_if_wasm = pytest.mark.skipif(
+    (sys.platform == "emscripten") or (platform.machine() in ["wasm32", "wasm64"]),
+    reason="does not support wasm"
+)
 
 
 def parametrize_fixture_doc(*args) -> Callable[[F], F]:

From 47f48a638fe5e85ffbd2d7e2cfcbde85ad319b82 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Tue, 5 Mar 2024 18:23:09 +0530
Subject: [PATCH 05/32] Skip `time.tzset()` tests on WASM platforms

---
 pandas/tests/indexes/datetimes/methods/test_normalize.py | 1 +
 pandas/tests/tools/test_to_datetime.py                   | 4 +++-
 pandas/tests/tslibs/test_parsing.py                      | 2 +-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/pandas/tests/indexes/datetimes/methods/test_normalize.py b/pandas/tests/indexes/datetimes/methods/test_normalize.py
index 74711f67e6446..333c75e433bc9 100644
--- a/pandas/tests/indexes/datetimes/methods/test_normalize.py
+++ b/pandas/tests/indexes/datetimes/methods/test_normalize.py
@@ -70,6 +70,7 @@ def test_normalize_tz(self):
         assert not rng.is_normalized
 
     @td.skip_if_windows
+    @td.skip_if_wasm  # tzset is available only on Unix-like systems
     @pytest.mark.parametrize(
         "timezone",
         [
diff --git a/pandas/tests/tools/test_to_datetime.py b/pandas/tests/tools/test_to_datetime.py
index 42764c121e3d2..4e8a97701467e 100644
--- a/pandas/tests/tools/test_to_datetime.py
+++ b/pandas/tests/tools/test_to_datetime.py
@@ -975,7 +975,8 @@ def test_to_datetime_now(self):
             assert pdnow.tzinfo is None
             assert pdnow2.tzinfo is None
 
-    @td.skip_if_windows  # `tm.set_timezone` does not work in windows
+    @td.skip_if_windows  # `tm.set_timezone` does not work on Windows
+    @td.skip_if_wasm  # tzset is available only on Unix-like systems
     @pytest.mark.parametrize("tz", ["Pacific/Auckland", "US/Samoa"])
     def test_to_datetime_today(self, tz):
         # See GH#18666
@@ -1007,6 +1008,7 @@ def test_to_datetime_today_now_unicode_bytes(self, arg):
         to_datetime([arg])
 
     @pytest.mark.filterwarnings("ignore:Timestamp.utcnow is deprecated:FutureWarning")
+    @td.skip_if_wasm  # tzset is available only on Unix-like systems
     @pytest.mark.parametrize(
         "format, expected_ds",
         [
diff --git a/pandas/tests/tslibs/test_parsing.py b/pandas/tests/tslibs/test_parsing.py
index 4dd9d7b20be69..da39a89e38942 100644
--- a/pandas/tests/tslibs/test_parsing.py
+++ b/pandas/tests/tslibs/test_parsing.py
@@ -24,7 +24,7 @@
 import pandas._testing as tm
 from pandas._testing._hypothesis import DATETIME_NO_TZ
 
-
+@td.skip_if_wasm  # tzset is available only on Unix-like systems
 @pytest.mark.skipif(
     is_platform_windows() or ISMUSL,
     reason="TZ setting incorrect on Windows and MUSL Linux",

From 6cf568eaa6e77d08647b6236cdbb45933c3cbb91 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Tue, 5 Mar 2024 18:54:22 +0530
Subject: [PATCH 06/32] Skip file system access tests on WASM

---
 pandas/tests/io/parser/common/test_file_buffer_url.py | 1 +
 pandas/tests/io/parser/test_c_parser_only.py          | 1 +
 pandas/tests/io/test_common.py                        | 7 ++++++-
 pandas/tests/io/xml/test_xml.py                       | 2 +-
 4 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/pandas/tests/io/parser/common/test_file_buffer_url.py b/pandas/tests/io/parser/common/test_file_buffer_url.py
index b03e31c21fc81..4d63a88582fb8 100644
--- a/pandas/tests/io/parser/common/test_file_buffer_url.py
+++ b/pandas/tests/io/parser/common/test_file_buffer_url.py
@@ -79,6 +79,7 @@ def test_path_path_lib(all_parsers):
     tm.assert_frame_equal(df, result)
 
 
+@td.skip_if_wasm  # limited file system access on WASM
 def test_nonexistent_path(all_parsers):
     # gh-2428: pls no segfault
     # gh-14086: raise more helpful FileNotFoundError
diff --git a/pandas/tests/io/parser/test_c_parser_only.py b/pandas/tests/io/parser/test_c_parser_only.py
index 27d7bc0bb6c07..095e08ba6782d 100644
--- a/pandas/tests/io/parser/test_c_parser_only.py
+++ b/pandas/tests/io/parser/test_c_parser_only.py
@@ -549,6 +549,7 @@ def test_chunk_whitespace_on_boundary(c_parser_only):
     tm.assert_frame_equal(result, expected)
 
 
+@td.skip_if_wasm  # limited file system access on WASM
 def test_file_handles_mmap(c_parser_only, csv1):
     # gh-14418
     #
diff --git a/pandas/tests/io/test_common.py b/pandas/tests/io/test_common.py
index 886bff332a420..bab2cb1dfa93e 100644
--- a/pandas/tests/io/test_common.py
+++ b/pandas/tests/io/test_common.py
@@ -22,6 +22,7 @@
 
 import pandas as pd
 import pandas._testing as tm
+import pandas.util._test_decorators as td
 
 import pandas.io.common as icom
 
@@ -162,6 +163,7 @@ def test_iterator(self):
             tm.assert_frame_equal(first, expected.iloc[[0]])
             tm.assert_frame_equal(pd.concat(it), expected.iloc[1:])
 
+    @td.skip_if_wasm  # limited file system access on WASM
     @pytest.mark.parametrize(
         "reader, module, error_class, fn_ext",
         [
@@ -227,6 +229,8 @@ def test_write_missing_parent_directory(self, method, module, error_class, fn_ex
         ):
             method(dummy_frame, path)
 
+
+    @td.skip_if_wasm  # limited file system access on WASM
     @pytest.mark.parametrize(
         "reader, module, error_class, fn_ext",
         [
@@ -381,6 +385,7 @@ def mmap_file(datapath):
 
 
 class TestMMapWrapper:
+    @td.skip_if_wasm  # limited file system access on WASM
     def test_constructor_bad_file(self, mmap_file):
         non_file = StringIO("I am not a file")
         non_file.fileno = lambda: -1
@@ -585,7 +590,7 @@ def test_bad_encdoing_errors():
         with pytest.raises(LookupError, match="unknown error handler name"):
             icom.get_handle(path, "w", errors="bad")
 
-
+@td.skip_if_wasm  # limited file system access on WASM
 def test_errno_attribute():
     # GH 13872
     with pytest.raises(FileNotFoundError, match="\\[Errno 2\\]") as err:
diff --git a/pandas/tests/io/xml/test_xml.py b/pandas/tests/io/xml/test_xml.py
index 97599722cb93f..0c40b47518153 100644
--- a/pandas/tests/io/xml/test_xml.py
+++ b/pandas/tests/io/xml/test_xml.py
@@ -484,7 +484,7 @@ def test_empty_string_etree(val):
     with pytest.raises(ParseError, match="no element found"):
         read_xml(data, parser="etree")
 
-
+@td.skip_if_wasm  # limited file system access on WASM
 def test_wrong_file_path(parser):
     filename = os.path.join("does", "not", "exist", "books.xml")
 

From 9fe190462a4f34ef2342d9ae0cf94b8e9f7310e8 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Tue, 5 Mar 2024 20:04:07 +0530
Subject: [PATCH 07/32] Skip two more tzset test failures

---
 pandas/tests/scalar/timestamp/test_formats.py | 2 ++
 pandas/tests/tools/test_to_datetime.py        | 1 +
 2 files changed, 3 insertions(+)

diff --git a/pandas/tests/scalar/timestamp/test_formats.py b/pandas/tests/scalar/timestamp/test_formats.py
index 6a578b0a9eb09..bc179bb1a2d74 100644
--- a/pandas/tests/scalar/timestamp/test_formats.py
+++ b/pandas/tests/scalar/timestamp/test_formats.py
@@ -6,6 +6,7 @@
 import pytz  # a test below uses pytz but only inside a `eval` call
 
 from pandas import Timestamp
+import pandas.util._test_decorators as td
 
 ts_no_ns = Timestamp(
     year=2019,
@@ -95,6 +96,7 @@ class TestTimestampRendering:
     @pytest.mark.parametrize(
         "date", ["2014-03-07", "2014-01-01 09:00", "2014-01-01 00:00:00.000000001"]
     )
+    @td.skip_if_wasm  # tzset is not available in WASM
     def test_repr(self, date, freq, tz):
         # avoid to match with timezone name
         freq_repr = f"'{freq}'"
diff --git a/pandas/tests/tools/test_to_datetime.py b/pandas/tests/tools/test_to_datetime.py
index 4e8a97701467e..3825b20baf585 100644
--- a/pandas/tests/tools/test_to_datetime.py
+++ b/pandas/tests/tools/test_to_datetime.py
@@ -959,6 +959,7 @@ def test_to_datetime_YYYYMMDD(self):
         assert actual == datetime(2008, 1, 15)
 
     @td.skip_if_windows  # `tm.set_timezone` does not work in windows
+    @td.skip_if_wasm  # tzset is available only on Unix-like systems
     def test_to_datetime_now(self):
         # See GH#18666
         with tm.set_timezone("US/Eastern"):

From 3f07fa9e67cfa46e1973893415ec1babf256dabf Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Tue, 5 Mar 2024 20:15:50 +0530
Subject: [PATCH 08/32] Skip two more FS failures on WASM

---
 pandas/tests/io/parser/common/test_file_buffer_url.py | 2 ++
 pandas/tests/io/test_common.py                        | 1 +
 2 files changed, 3 insertions(+)

diff --git a/pandas/tests/io/parser/common/test_file_buffer_url.py b/pandas/tests/io/parser/common/test_file_buffer_url.py
index 4d63a88582fb8..782a75caac0ae 100644
--- a/pandas/tests/io/parser/common/test_file_buffer_url.py
+++ b/pandas/tests/io/parser/common/test_file_buffer_url.py
@@ -93,6 +93,8 @@ def test_nonexistent_path(all_parsers):
     assert path == e.value.filename
 
 
+@td.skip_if_wasm  # limited file system access on WASM, it leads to different
+# error messages than on other platforms
 @td.skip_if_windows  # os.chmod does not work in windows
 def test_no_permission(all_parsers):
     # GH 23784
diff --git a/pandas/tests/io/test_common.py b/pandas/tests/io/test_common.py
index bab2cb1dfa93e..3f7a662fba375 100644
--- a/pandas/tests/io/test_common.py
+++ b/pandas/tests/io/test_common.py
@@ -408,6 +408,7 @@ def test_constructor_bad_file(self, mmap_file):
         with pytest.raises(ValueError, match=msg):
             icom._maybe_memory_map(target, True)
 
+    @td.skip_if_wasm  # limited file system access on WASM
     def test_next(self, mmap_file):
         with open(mmap_file, encoding="utf-8") as target:
             lines = target.readlines()

From bbc88681dbec97fed674c0a581e40507d32c6854 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Tue, 5 Mar 2024 20:50:53 +0530
Subject: [PATCH 09/32] Resolve last two tzset failures on WASM

---
 pandas/tests/scalar/timestamp/methods/test_replace.py          | 2 ++
 pandas/tests/scalar/timestamp/methods/test_timestamp_method.py | 1 +
 2 files changed, 3 insertions(+)

diff --git a/pandas/tests/scalar/timestamp/methods/test_replace.py b/pandas/tests/scalar/timestamp/methods/test_replace.py
index d67de79a8dd10..f79960bf1f6df 100644
--- a/pandas/tests/scalar/timestamp/methods/test_replace.py
+++ b/pandas/tests/scalar/timestamp/methods/test_replace.py
@@ -99,6 +99,7 @@ def test_replace_integer_args(self, tz_aware_fixture):
         with pytest.raises(ValueError, match=msg):
             ts.replace(hour=0.1)
 
+    @td.skip_if_wasm  # tzset is available only on Unix-like systems
     def test_replace_tzinfo_equiv_tz_localize_none(self):
         # GH#14621, GH#7825
         # assert conversion to naive is the same as replacing tzinfo with None
@@ -106,6 +107,7 @@ def test_replace_tzinfo_equiv_tz_localize_none(self):
         assert ts.tz_localize(None) == ts.replace(tzinfo=None)
 
     @td.skip_if_windows
+    @td.skip_if_wasm  # tzset is available only on Unix-like systems
     def test_replace_tzinfo(self):
         # GH#15683
         dt = datetime(2016, 3, 27, 1)
diff --git a/pandas/tests/scalar/timestamp/methods/test_timestamp_method.py b/pandas/tests/scalar/timestamp/methods/test_timestamp_method.py
index 67985bd4ba566..60dc5a5e6639c 100644
--- a/pandas/tests/scalar/timestamp/methods/test_timestamp_method.py
+++ b/pandas/tests/scalar/timestamp/methods/test_timestamp_method.py
@@ -11,6 +11,7 @@
 
 class TestTimestampMethod:
     @td.skip_if_windows
+    @td.skip_if_wasm  # tzset is available only on Unix-like systems
     def test_timestamp(self, fixed_now_ts):
         # GH#17329
         # tz-naive --> treat it as if it were UTC for purposes of timestamp()

From f049ac29f53c70b9a7f94d92dd43cac2ea5b140f Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Tue, 5 Mar 2024 21:04:18 +0530
Subject: [PATCH 10/32] Add a `WASM` constant for Emscripten platform checks

---
 pandas/compat/__init__.py   | 2 ++
 pandas/compat/_constants.py | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/pandas/compat/__init__.py b/pandas/compat/__init__.py
index 738442fab8c70..c7eeaa5f660bd 100644
--- a/pandas/compat/__init__.py
+++ b/pandas/compat/__init__.py
@@ -21,6 +21,7 @@
     PY311,
     PY312,
     PYPY,
+    WASM,
 )
 import pandas.compat.compressors
 from pandas.compat.numpy import is_numpy_dev
@@ -192,4 +193,5 @@ def get_bz2_file() -> type[pandas.compat.compressors.BZ2File]:
     "PY311",
     "PY312",
     "PYPY",
+    "WASM",
 ]
diff --git a/pandas/compat/_constants.py b/pandas/compat/_constants.py
index 7bc3fbaaefebf..2625389e5254a 100644
--- a/pandas/compat/_constants.py
+++ b/pandas/compat/_constants.py
@@ -17,6 +17,7 @@
 PY311 = sys.version_info >= (3, 11)
 PY312 = sys.version_info >= (3, 12)
 PYPY = platform.python_implementation() == "PyPy"
+WASM = (sys.platform == "emscripten") or (platform.machine() in ["wasm32", "wasm64"])
 ISMUSL = "musl" in (sysconfig.get_config_var("HOST_GNU_TYPE") or "")
 REF_COUNT = 2 if PY311 else 3
 
@@ -27,4 +28,5 @@
     "PY311",
     "PY312",
     "PYPY",
+    "WASM",
 ]

From 4d4c0172e96c6650d09f01381cd4ee6f8e6f2426 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Tue, 5 Mar 2024 21:04:39 +0530
Subject: [PATCH 11/32] Fix floating point imprecision with `np.timedelta64`

---
 pandas/tests/io/sas/test_sas7bdat.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/pandas/tests/io/sas/test_sas7bdat.py b/pandas/tests/io/sas/test_sas7bdat.py
index 889ef61740a2c..69fed85763ca5 100644
--- a/pandas/tests/io/sas/test_sas7bdat.py
+++ b/pandas/tests/io/sas/test_sas7bdat.py
@@ -7,7 +7,7 @@
 import numpy as np
 import pytest
 
-from pandas.compat import IS64
+from pandas.compat import IS64, WASM
 from pandas.errors import EmptyDataError
 
 import pandas as pd
@@ -190,7 +190,7 @@ def test_date_time(datapath):
     res = df0["DateTimeHi"].astype("M8[us]").dt.round("ms")
     df0["DateTimeHi"] = res.astype("M8[ms]")
 
-    if not IS64:
+    if (not IS64) or (WASM):
         # No good reason for this, just what we get on the CI
         df0.loc[0, "DateTimeHi"] += np.timedelta64(1, "ms")
         df0.loc[[2, 3], "DateTimeHi"] -= np.timedelta64(1, "ms")
@@ -285,7 +285,7 @@ def test_max_sas_date(datapath):
         columns=["text", "dt_as_float", "dt_as_dt", "date_as_float", "date_as_date"],
     )
 
-    if not IS64:
+    if (not IS64) or (WASM):
         # No good reason for this, just what we get on the CI
         expected.loc[:, "dt_as_dt"] -= np.timedelta64(1, "ms")
 
@@ -328,7 +328,7 @@ def test_max_sas_date_iterator(datapath):
             columns=col_order,
         ),
     ]
-    if not IS64:
+    if (not IS64) or (WASM):
         # No good reason for this, just what we get on the CI
         expected[0].loc[0, "dt_as_dt"] -= np.timedelta64(1, "ms")
         expected[1].loc[0, "dt_as_dt"] -= np.timedelta64(1, "ms")
@@ -359,7 +359,7 @@ def test_null_date(datapath):
             ),
         },
     )
-    if not IS64:
+    if (not IS64) or (WASM):
         # No good reason for this, just what we get on the CI
         expected.loc[0, "datetimecol"] -= np.timedelta64(1, "ms")
     tm.assert_frame_equal(df, expected)

From feaac773fafabd2ad53796762e0c7f2d7e708e4c Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Tue, 5 Mar 2024 22:33:59 +0530
Subject: [PATCH 12/32] Mark tz OverflowError as xfail on WASM

---
 pandas/tests/tseries/offsets/test_common.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pandas/tests/tseries/offsets/test_common.py b/pandas/tests/tseries/offsets/test_common.py
index 3792878973c15..3d1b6b8af1dd6 100644
--- a/pandas/tests/tseries/offsets/test_common.py
+++ b/pandas/tests/tseries/offsets/test_common.py
@@ -9,6 +9,7 @@
 )
 from pandas.compat import (
     IS64,
+    WASM,
     is_platform_windows,
 )
 
@@ -130,7 +131,7 @@ def test_apply_out_of_range(request, tz_naive_fixture, _offset):
         if tz is not None:
             assert t.tzinfo is not None
 
-        if isinstance(tz, tzlocal) and not IS64 and _offset is not DateOffset:
+        if isinstance(tz, tzlocal) and ((not IS64) or WASM) and _offset is not DateOffset:
             # If we hit OutOfBoundsDatetime on non-64 bit machines
             # we'll drop out of the try clause before the next test
             request.applymarker(

From d54d198a3824a6c13150a494b7f4b2af247737aa Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Wed, 20 Mar 2024 22:02:56 +0530
Subject: [PATCH 13/32] Try to fix OverflowError with date ranges

---
 pandas/tests/indexes/datetimes/methods/test_resolution.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pandas/tests/indexes/datetimes/methods/test_resolution.py b/pandas/tests/indexes/datetimes/methods/test_resolution.py
index 8399fafbbaff2..5a4d410b343bc 100644
--- a/pandas/tests/indexes/datetimes/methods/test_resolution.py
+++ b/pandas/tests/indexes/datetimes/methods/test_resolution.py
@@ -1,7 +1,7 @@
 from dateutil.tz import tzlocal
 import pytest
 
-from pandas.compat import IS64
+from pandas.compat import IS64, WASM
 
 from pandas import date_range
 
@@ -22,7 +22,7 @@
 )
 def test_dti_resolution(request, tz_naive_fixture, freq, expected):
     tz = tz_naive_fixture
-    if freq == "YE" and not IS64 and isinstance(tz, tzlocal):
+    if freq == "YE" and ((not IS64) or WASM) and isinstance(tz, tzlocal):
         request.applymarker(
             pytest.mark.xfail(reason="OverflowError inside tzlocal past 2038")
         )

From 294ab6e0aaad3fb93cb0874c8927ac966ca8e29b Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Wed, 20 Mar 2024 22:38:06 +0530
Subject: [PATCH 14/32] Move job to unit tests workflow, withdraw env vars

---
 .github/workflows/emscripten.yml | 76 --------------------------------
 .github/workflows/unit-tests.yml | 61 ++++++++++++++++++++++++-
 2 files changed, 60 insertions(+), 77 deletions(-)
 delete mode 100644 .github/workflows/emscripten.yml

diff --git a/.github/workflows/emscripten.yml b/.github/workflows/emscripten.yml
deleted file mode 100644
index 4af2cb85d471e..0000000000000
--- a/.github/workflows/emscripten.yml
+++ /dev/null
@@ -1,76 +0,0 @@
-name: Test Emscripten/Pyodide build
-
-on:
-# TODO: refine when this workflow should run when this
-# is ready for use or before merging
-  pull_request:
-  push:
-  workflow_dispatch:
-
-env:
-  FORCE_COLOR: 3
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
-  cancel-in-progress: true
-
-jobs:
-  build-wasm-emscripten:
-    name: Build pandas distribution for Pyodide
-    runs-on: ubuntu-22.04
-    # To enable this workflow on a fork, comment out:
-    # if: github.repository == 'pandas-dev/pandas'
-    env:
-      PYODIDE_VERSION: 0.25.0
-      # PYTHON_VERSION and EMSCRIPTEN_VERSION are determined by PYODIDE_VERSION.
-      # The appropriate versions can be found in the Pyodide repodata.json
-      # "info" field, or in Makefile.envs:
-      # https://github.com/pyodide/pyodide/blob/main/Makefile.envs#L2
-      PYTHON_VERSION: 3.11.3
-      EMSCRIPTEN_VERSION: 3.1.46
-      NODE_VERSION: 18
-    steps:
-      - name: Checkout pandas
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Set up Python ${{ env.PYTHON_VERSION }}
-        id: setup-python
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ env.PYTHON_VERSION }}
-
-      - name: Set up Emscripten toolchain
-        uses: mymindstorm/setup-emsdk@v14
-        with:
-          version: ${{ env.EMSCRIPTEN_VERSION }}
-          actions-cache-folder: emsdk-cache
-
-      - name: Install pyodide-build
-        run: pip install "pydantic<2" pyodide-build==${{ env.PYODIDE_VERSION }}
-
-      - name: Build pandas for Pyodide
-        run: |
-          # pyodide build -Ceditable-verbose=true
-          pyodide build
-
-      - name: Set up Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: ${{ env.NODE_VERSION }}
-
-      - name: Set up Pyodide virtual environment
-        run: |
-          pyodide venv .venv-pyodide
-          source .venv-pyodide/bin/activate
-          pip install dist/*.whl
-
-      - name: Test pandas for Pyodide
-        run: |
-          source .venv-pyodide/bin/activate
-          export PANDAS_CI=1
-          pip install "pytest<8.1.0" hypothesis
-          # do not import pandas from the checked out repo
-          cd ..
-          python -c 'import pandas as pd; pd.test(extra_args=["-m not clipboard and not single_cpu and not slow and not network and not db"])'
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 855973a22886a..dfd931cfb7d74 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -328,7 +328,7 @@ jobs:
     timeout-minutes: 90
 
     concurrency:
-      #https://github.community/t/concurrecy-not-work-for-push/183068/7
+      # https://github.community/t/concurrecy-not-work-for-push/183068/7
       group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.os }}-${{ matrix.pytest_target }}-dev
       cancel-in-progress: true
 
@@ -360,3 +360,62 @@ jobs:
 
       - name: Run Tests
         uses: ./.github/actions/run-tests
+
+  emscripten:
+    # Note: the Python version, Emscripten toolchain version are determined
+    # by the Pyodide version. The appropriate versions can be found in the
+    # Pyodide repodata.json "info" field, or in the Makefile.envs file:
+    # https://github.com/pyodide/pyodide/blob/stable/Makefile.envs#L2
+    # The Node.js version can be determined via Pyodide:
+    # https://pyodide.org/en/stable/usage/index.html#node-js
+    name: Build pandas distribution for Pyodide
+    runs-on: ubuntu-22.04
+    concurrency:
+      # https://github.community/t/concurrecy-not-work-for-push/183068/7
+      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-wasm
+      cancel-in-progress: true
+    steps:
+      - name: Checkout pandas Repo
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python for Pyodide
+        id: setup-python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11.3'
+
+      - name: Set up Emscripten toolchain
+        uses: mymindstorm/setup-emsdk@v14
+        with:
+          version: '3.1.46'
+          actions-cache-folder: emsdk-cache
+
+      - name: Install pyodide-build
+        run: pip install "pydantic<2" "pyodide-build==0.25.0"
+
+      - name: Build pandas for Pyodide
+        run: |
+          pyodide build
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+
+      - name: Set up Pyodide virtual environment
+        run: |
+          pyodide venv .venv-pyodide
+          source .venv-pyodide/bin/activate
+          pip install dist/*.whl
+
+      - name: Test pandas for Pyodide
+        env:
+          PANDAS_CI: 1
+        run: |
+          source .venv-pyodide/bin/activate
+          pip install "pytest<8.1.0" hypothesis
+          # do not import pandas from the checked out repo
+          cd ..
+          python -c 'import pandas as pd; pd.test(extra_args=["-m not clipboard and not single_cpu and not slow and not network and not db"])'

From cc233e4c88725440528c1b1aa690843c1d756508 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Wed, 20 Mar 2024 22:40:17 +0530
Subject: [PATCH 15/32] Fix up a few style errors, use WASM variable

---
 pandas/tests/indexes/datetimes/methods/test_resolution.py | 5 ++++-
 pandas/tests/io/sas/test_sas7bdat.py                      | 5 ++++-
 pandas/tests/io/test_common.py                            | 4 ++--
 pandas/tests/io/xml/test_xml.py                           | 1 +
 pandas/tests/scalar/timestamp/test_formats.py             | 3 ++-
 pandas/tests/tseries/offsets/test_common.py               | 6 +++++-
 pandas/tests/tslibs/test_parsing.py                       | 1 +
 pandas/util/_test_decorators.py                           | 7 +++----
 8 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/pandas/tests/indexes/datetimes/methods/test_resolution.py b/pandas/tests/indexes/datetimes/methods/test_resolution.py
index 5a4d410b343bc..93d0b8f557b06 100644
--- a/pandas/tests/indexes/datetimes/methods/test_resolution.py
+++ b/pandas/tests/indexes/datetimes/methods/test_resolution.py
@@ -1,7 +1,10 @@
 from dateutil.tz import tzlocal
 import pytest
 
-from pandas.compat import IS64, WASM
+from pandas.compat import (
+    IS64,
+    WASM,
+)
 
 from pandas import date_range
 
diff --git a/pandas/tests/io/sas/test_sas7bdat.py b/pandas/tests/io/sas/test_sas7bdat.py
index 69fed85763ca5..f009a7822a36c 100644
--- a/pandas/tests/io/sas/test_sas7bdat.py
+++ b/pandas/tests/io/sas/test_sas7bdat.py
@@ -7,7 +7,10 @@
 import numpy as np
 import pytest
 
-from pandas.compat import IS64, WASM
+from pandas.compat import (
+    IS64,
+    WASM,
+)
 from pandas.errors import EmptyDataError
 
 import pandas as pd
diff --git a/pandas/tests/io/test_common.py b/pandas/tests/io/test_common.py
index be89b3612d6f5..ae3b7978ef1b7 100644
--- a/pandas/tests/io/test_common.py
+++ b/pandas/tests/io/test_common.py
@@ -20,10 +20,10 @@
 import pytest
 
 from pandas.compat import is_platform_windows
+import pandas.util._test_decorators as td
 
 import pandas as pd
 import pandas._testing as tm
-import pandas.util._test_decorators as td
 
 import pandas.io.common as icom
 
@@ -230,7 +230,6 @@ def test_write_missing_parent_directory(self, method, module, error_class, fn_ex
         ):
             method(dummy_frame, path)
 
-
     @td.skip_if_wasm  # limited file system access on WASM
     @pytest.mark.parametrize(
         "reader, module, error_class, fn_ext",
@@ -592,6 +591,7 @@ def test_bad_encdoing_errors():
         with pytest.raises(LookupError, match="unknown error handler name"):
             icom.get_handle(path, "w", errors="bad")
 
+
 @td.skip_if_wasm  # limited file system access on WASM
 def test_errno_attribute():
     # GH 13872
diff --git a/pandas/tests/io/xml/test_xml.py b/pandas/tests/io/xml/test_xml.py
index 0c40b47518153..81a86d2c4b23e 100644
--- a/pandas/tests/io/xml/test_xml.py
+++ b/pandas/tests/io/xml/test_xml.py
@@ -484,6 +484,7 @@ def test_empty_string_etree(val):
     with pytest.raises(ParseError, match="no element found"):
         read_xml(data, parser="etree")
 
+
 @td.skip_if_wasm  # limited file system access on WASM
 def test_wrong_file_path(parser):
     filename = os.path.join("does", "not", "exist", "books.xml")
diff --git a/pandas/tests/scalar/timestamp/test_formats.py b/pandas/tests/scalar/timestamp/test_formats.py
index f147c14451e30..8e7bc9d85b2c6 100644
--- a/pandas/tests/scalar/timestamp/test_formats.py
+++ b/pandas/tests/scalar/timestamp/test_formats.py
@@ -5,9 +5,10 @@
 import pytest
 import pytz  # a test below uses pytz but only inside a `eval` call
 
-from pandas import Timestamp
 import pandas.util._test_decorators as td
 
+from pandas import Timestamp
+
 ts_no_ns = Timestamp(
     year=2019,
     month=5,
diff --git a/pandas/tests/tseries/offsets/test_common.py b/pandas/tests/tseries/offsets/test_common.py
index 3d1b6b8af1dd6..09c9b35485a8a 100644
--- a/pandas/tests/tseries/offsets/test_common.py
+++ b/pandas/tests/tseries/offsets/test_common.py
@@ -131,7 +131,11 @@ def test_apply_out_of_range(request, tz_naive_fixture, _offset):
         if tz is not None:
             assert t.tzinfo is not None
 
-        if isinstance(tz, tzlocal) and ((not IS64) or WASM) and _offset is not DateOffset:
+        if (
+            isinstance(tz, tzlocal)
+            and ((not IS64) or WASM)
+            and _offset is not DateOffset
+        ):
             # If we hit OutOfBoundsDatetime on non-64 bit machines
             # we'll drop out of the try clause before the next test
             request.applymarker(
diff --git a/pandas/tests/tslibs/test_parsing.py b/pandas/tests/tslibs/test_parsing.py
index c3adee41dd689..20f0a61a9292c 100644
--- a/pandas/tests/tslibs/test_parsing.py
+++ b/pandas/tests/tslibs/test_parsing.py
@@ -25,6 +25,7 @@
 import pandas._testing as tm
 from pandas._testing._hypothesis import DATETIME_NO_TZ
 
+
 @td.skip_if_wasm  # tzset is available only on Unix-like systems
 @pytest.mark.skipif(
     is_platform_windows() or ISMUSL,
diff --git a/pandas/util/_test_decorators.py b/pandas/util/_test_decorators.py
index ae3d6d5668194..48684c4810d2a 100644
--- a/pandas/util/_test_decorators.py
+++ b/pandas/util/_test_decorators.py
@@ -26,8 +26,6 @@ def test_foo():
 
 from __future__ import annotations
 
-import sys
-import platform
 import locale
 from typing import (
     TYPE_CHECKING,
@@ -41,6 +39,7 @@ def test_foo():
 
 from pandas.compat import (
     IS64,
+    WASM,
     is_platform_windows,
 )
 from pandas.compat._optional import import_optional_dependency
@@ -118,8 +117,8 @@ def skip_if_no(package: str, min_version: str | None = None) -> pytest.MarkDecor
     reason=f"Set local {locale.getlocale()[0]} is not en_US",
 )
 skip_if_wasm = pytest.mark.skipif(
-    (sys.platform == "emscripten") or (platform.machine() in ["wasm32", "wasm64"]),
-    reason="does not support wasm"
+    WASM,
+    reason="does not support wasm",
 )
 
 

From a944f5287dce1439778f32525ebf5d973e75b817 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Mon, 1 Apr 2024 19:25:11 +0530
Subject: [PATCH 16/32] Bump Pyodide to `0.25.1`

See https://github.com/pyodide/pyodide/pull/4654 for
more discussion. This commit resolves a build error
coming from the `pyodide build` command which
broke due to a new `build` release by PyPA.
---
 .github/workflows/unit-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 330a70d2feca0..7bee526635584 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -379,7 +379,7 @@ jobs:
           actions-cache-folder: emsdk-cache
 
       - name: Install pyodide-build
-        run: pip install "pydantic<2" "pyodide-build==0.25.0"
+        run: pip install "pydantic<2" "pyodide-build==0.25.1"
 
       - name: Build pandas for Pyodide
         run: |

From 6ba8636b1285b9d472505f3947cfd9108c3677c5 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Fri, 3 May 2024 23:15:09 +0530
Subject: [PATCH 17/32] Use shorter job name

---
 .github/workflows/unit-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 7bee526635584..0bcc2cb9840d1 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -354,7 +354,7 @@ jobs:
     # https://github.com/pyodide/pyodide/blob/stable/Makefile.envs#L2
     # The Node.js version can be determined via Pyodide:
     # https://pyodide.org/en/stable/usage/index.html#node-js
-    name: Build pandas distribution for Pyodide
+    name: Pyodide build
     runs-on: ubuntu-22.04
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7

From 75da87fe53012336b41967a8a62383db2eac6bac Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Fri, 3 May 2024 23:15:47 +0530
Subject: [PATCH 18/32] Skip test where warning is not raised properly

---
 pandas/tests/apply/test_str.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pandas/tests/apply/test_str.py b/pandas/tests/apply/test_str.py
index 50cf0f0ed3e84..a05a8a20001ee 100644
--- a/pandas/tests/apply/test_str.py
+++ b/pandas/tests/apply/test_str.py
@@ -4,6 +4,8 @@
 import numpy as np
 import pytest
 
+from pandas.compat._constants import WASM
+
 from pandas.core.dtypes.common import is_number
 
 from pandas import (
@@ -54,6 +56,7 @@ def test_apply_np_reducer(op, how):
     tm.assert_series_equal(result, expected)
 
 
+@pytest.mark.skipif(WASM, reason="No fp exception support in wasm")
 @pytest.mark.parametrize(
     "op", ["abs", "ceil", "cos", "cumsum", "exp", "log", "sqrt", "square"]
 )

From 8c357a320e072126e1c8afde7ee509d7a7db7877 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Fri, 3 May 2024 23:18:24 +0530
Subject: [PATCH 19/32] Don't run `test_date_time` loc check on WASM

---
 pandas/tests/io/sas/test_sas7bdat.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pandas/tests/io/sas/test_sas7bdat.py b/pandas/tests/io/sas/test_sas7bdat.py
index f009a7822a36c..088cdb8781f54 100644
--- a/pandas/tests/io/sas/test_sas7bdat.py
+++ b/pandas/tests/io/sas/test_sas7bdat.py
@@ -193,7 +193,7 @@ def test_date_time(datapath):
     res = df0["DateTimeHi"].astype("M8[us]").dt.round("ms")
     df0["DateTimeHi"] = res.astype("M8[ms]")
 
-    if (not IS64) or (WASM):
+    if not IS64:
         # No good reason for this, just what we get on the CI
         df0.loc[0, "DateTimeHi"] += np.timedelta64(1, "ms")
         df0.loc[[2, 3], "DateTimeHi"] -= np.timedelta64(1, "ms")

From 2a3270fed57b0bae2cd3a8898d146b5265126ca8 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Fri, 3 May 2024 23:19:54 +0530
Subject: [PATCH 20/32] Don't run additional loc checks in `test_sas7bdat`

---
 pandas/tests/io/sas/test_sas7bdat.py | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/pandas/tests/io/sas/test_sas7bdat.py b/pandas/tests/io/sas/test_sas7bdat.py
index 088cdb8781f54..889ef61740a2c 100644
--- a/pandas/tests/io/sas/test_sas7bdat.py
+++ b/pandas/tests/io/sas/test_sas7bdat.py
@@ -7,10 +7,7 @@
 import numpy as np
 import pytest
 
-from pandas.compat import (
-    IS64,
-    WASM,
-)
+from pandas.compat import IS64
 from pandas.errors import EmptyDataError
 
 import pandas as pd
@@ -288,7 +285,7 @@ def test_max_sas_date(datapath):
         columns=["text", "dt_as_float", "dt_as_dt", "date_as_float", "date_as_date"],
     )
 
-    if (not IS64) or (WASM):
+    if not IS64:
         # No good reason for this, just what we get on the CI
         expected.loc[:, "dt_as_dt"] -= np.timedelta64(1, "ms")
 
@@ -331,7 +328,7 @@ def test_max_sas_date_iterator(datapath):
             columns=col_order,
         ),
     ]
-    if (not IS64) or (WASM):
+    if not IS64:
         # No good reason for this, just what we get on the CI
         expected[0].loc[0, "dt_as_dt"] -= np.timedelta64(1, "ms")
         expected[1].loc[0, "dt_as_dt"] -= np.timedelta64(1, "ms")
@@ -362,7 +359,7 @@ def test_null_date(datapath):
             ),
         },
     )
-    if (not IS64) or (WASM):
+    if not IS64:
         # No good reason for this, just what we get on the CI
         expected.loc[0, "datetimecol"] -= np.timedelta64(1, "ms")
     tm.assert_frame_equal(df, expected)

From e1002f5cbb2ee6aff854daa9bcf992a0bebeb621 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Fri, 3 May 2024 23:43:12 +0530
Subject: [PATCH 21/32] Disable WASM OverflowError

---
 pandas/tests/tseries/offsets/test_common.py | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/pandas/tests/tseries/offsets/test_common.py b/pandas/tests/tseries/offsets/test_common.py
index 09c9b35485a8a..3792878973c15 100644
--- a/pandas/tests/tseries/offsets/test_common.py
+++ b/pandas/tests/tseries/offsets/test_common.py
@@ -9,7 +9,6 @@
 )
 from pandas.compat import (
     IS64,
-    WASM,
     is_platform_windows,
 )
 
@@ -131,11 +130,7 @@ def test_apply_out_of_range(request, tz_naive_fixture, _offset):
         if tz is not None:
             assert t.tzinfo is not None
 
-        if (
-            isinstance(tz, tzlocal)
-            and ((not IS64) or WASM)
-            and _offset is not DateOffset
-        ):
+        if isinstance(tz, tzlocal) and not IS64 and _offset is not DateOffset:
             # If we hit OutOfBoundsDatetime on non-64 bit machines
             # we'll drop out of the try clause before the next test
             request.applymarker(

From 13973bb35f28299417d3c7dcdadf7f40538e5166 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Sat, 4 May 2024 00:19:56 +0530
Subject: [PATCH 22/32] Skip tests requiring fp exception support

---
 pandas/tests/arithmetic/test_timedelta64.py  |  2 ++
 pandas/tests/io/parser/test_c_parser_only.py | 20 +++++++++++---------
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/pandas/tests/arithmetic/test_timedelta64.py b/pandas/tests/arithmetic/test_timedelta64.py
index 0ecb8f9bef468..6afc31ed7e91b 100644
--- a/pandas/tests/arithmetic/test_timedelta64.py
+++ b/pandas/tests/arithmetic/test_timedelta64.py
@@ -8,6 +8,7 @@
 import numpy as np
 import pytest
 
+from pandas.compat._constants import WASM
 from pandas.errors import OutOfBoundsDatetime
 
 import pandas as pd
@@ -1741,6 +1742,7 @@ def test_td64_div_object_mixed_result(self, box_with_array):
     # ------------------------------------------------------------------
     # __floordiv__, __rfloordiv__
 
+    @pytest.mark.skipif(WASM, reason="no fp exception support in wasm")
     def test_td64arr_floordiv_td64arr_with_nat(self, box_with_array):
         # GH#35529
         box = box_with_array
diff --git a/pandas/tests/io/parser/test_c_parser_only.py b/pandas/tests/io/parser/test_c_parser_only.py
index e45cb25c5e35e..96e148b231a9f 100644
--- a/pandas/tests/io/parser/test_c_parser_only.py
+++ b/pandas/tests/io/parser/test_c_parser_only.py
@@ -18,6 +18,7 @@
 import numpy as np
 import pytest
 
+from pandas.compat._constants import WASM
 from pandas.compat.numpy import np_version_gte1p24
 from pandas.errors import (
     ParserError,
@@ -94,15 +95,16 @@ def test_dtype_and_names_error(c_parser_only):
 """
     # fallback casting, but not castable
     warning = RuntimeWarning if np_version_gte1p24 else None
-    with pytest.raises(ValueError, match="cannot safely convert"):
-        with tm.assert_produces_warning(warning, check_stacklevel=False):
-            parser.read_csv(
-                StringIO(data),
-                sep=r"\s+",
-                header=None,
-                names=["a", "b"],
-                dtype={"a": np.int32},
-            )
+    if not WASM:  # no fp exception support in wasm
+        with pytest.raises(ValueError, match="cannot safely convert"):
+            with tm.assert_produces_warning(warning, check_stacklevel=False):
+                parser.read_csv(
+                    StringIO(data),
+                    sep=r"\s+",
+                    header=None,
+                    names=["a", "b"],
+                    dtype={"a": np.int32},
+                )
 
 
 @pytest.mark.parametrize(

From 24b3e6d2f1f25c6f9399a97b229e8076a6aa2fe9 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Sat, 4 May 2024 00:20:31 +0530
Subject: [PATCH 23/32] xfail tests that require stricter tolerances

---
 pandas/tests/io/sas/test_sas7bdat.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pandas/tests/io/sas/test_sas7bdat.py b/pandas/tests/io/sas/test_sas7bdat.py
index 889ef61740a2c..e310a1496bfa1 100644
--- a/pandas/tests/io/sas/test_sas7bdat.py
+++ b/pandas/tests/io/sas/test_sas7bdat.py
@@ -7,7 +7,10 @@
 import numpy as np
 import pytest
 
-from pandas.compat import IS64
+from pandas.compat._constants import (
+    IS64,
+    WASM,
+)
 from pandas.errors import EmptyDataError
 
 import pandas as pd
@@ -253,6 +256,7 @@ def test_corrupt_read(datapath):
         pd.read_sas(fname)
 
 
+@pytest.mark.xfail(WASM, reason="failing with currently set tolerances on WASM")
 def test_max_sas_date(datapath):
     # GH 20927
     # NB. max datetime in SAS dataset is 31DEC9999:23:59:59.999
@@ -292,6 +296,7 @@ def test_max_sas_date(datapath):
     tm.assert_frame_equal(df, expected)
 
 
+@pytest.mark.xfail(WASM, reason="failing with currently set tolerances on WASM")
 def test_max_sas_date_iterator(datapath):
     # GH 20927
     # when called as an iterator, only those chunks with a date > pd.Timestamp.max

From dce27054cb2dc16e5cf3c6725540c1d408de7dc4 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Sat, 4 May 2024 00:21:02 +0530
Subject: [PATCH 24/32] xfail test where `OverflowError`s are received

---
 pandas/tests/tseries/offsets/test_common.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pandas/tests/tseries/offsets/test_common.py b/pandas/tests/tseries/offsets/test_common.py
index 3792878973c15..056a1c1e85bea 100644
--- a/pandas/tests/tseries/offsets/test_common.py
+++ b/pandas/tests/tseries/offsets/test_common.py
@@ -9,6 +9,7 @@
 )
 from pandas.compat import (
     IS64,
+    WASM,
     is_platform_windows,
 )
 
@@ -106,6 +107,7 @@ def _offset(request):
     return request.param
 
 
+@pytest.mark.xfail(WASM, reason="OverflowError received on WASM")
 def test_apply_out_of_range(request, tz_naive_fixture, _offset):
     tz = tz_naive_fixture
 

From 7f4715f49b7011de2430f73dadb2acbd38b9421f Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Sat, 4 May 2024 00:54:18 +0530
Subject: [PATCH 25/32] Remove upper-pin from `pydantic`

---
 .github/workflows/unit-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 0bcc2cb9840d1..c90713a8b400b 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -379,7 +379,7 @@ jobs:
           actions-cache-folder: emsdk-cache
 
       - name: Install pyodide-build
-        run: pip install "pydantic<2" "pyodide-build==0.25.1"
+        run: pip install "pyodide-build==0.25.1"
 
       - name: Build pandas for Pyodide
         run: |

From 9f465280a0b91ca7a180b1b8e894d5a4b7b77c1f Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Sat, 4 May 2024 01:06:15 +0530
Subject: [PATCH 26/32] Better skip messages via `pytest.skipif` decorator

---
 .../indexes/datetimes/methods/test_normalize.py  |  3 ++-
 .../io/parser/common/test_file_buffer_url.py     |  6 +++---
 pandas/tests/io/parser/test_c_parser_only.py     |  4 ++--
 pandas/tests/io/test_common.py                   | 16 +++++++++-------
 pandas/tests/io/xml/test_xml.py                  |  3 ++-
 .../scalar/timestamp/methods/test_replace.py     |  5 +++--
 .../timestamp/methods/test_timestamp_method.py   |  4 +++-
 pandas/tests/scalar/timestamp/test_formats.py    |  4 ++--
 pandas/tests/tools/test_to_datetime.py           |  7 ++++---
 pandas/tests/tslibs/test_parsing.py              |  3 ++-
 10 files changed, 32 insertions(+), 23 deletions(-)

diff --git a/pandas/tests/indexes/datetimes/methods/test_normalize.py b/pandas/tests/indexes/datetimes/methods/test_normalize.py
index 333c75e433bc9..0adca7a62956f 100644
--- a/pandas/tests/indexes/datetimes/methods/test_normalize.py
+++ b/pandas/tests/indexes/datetimes/methods/test_normalize.py
@@ -2,6 +2,7 @@
 import numpy as np
 import pytest
 
+from pandas.compat import WASM
 import pandas.util._test_decorators as td
 
 from pandas import (
@@ -70,7 +71,7 @@ def test_normalize_tz(self):
         assert not rng.is_normalized
 
     @td.skip_if_windows
-    @td.skip_if_wasm  # tzset is available only on Unix-like systems
+    @pytest.mark.skipif(WASM, "tzset is available only on Unix-like systems, not WASM")
     @pytest.mark.parametrize(
         "timezone",
         [
diff --git a/pandas/tests/io/parser/common/test_file_buffer_url.py b/pandas/tests/io/parser/common/test_file_buffer_url.py
index fb9632bb3f049..ba31a9bc15fb5 100644
--- a/pandas/tests/io/parser/common/test_file_buffer_url.py
+++ b/pandas/tests/io/parser/common/test_file_buffer_url.py
@@ -15,6 +15,7 @@
 import numpy as np
 import pytest
 
+from pandas.compat import WASM
 from pandas.errors import (
     EmptyDataError,
     ParserError,
@@ -80,7 +81,7 @@ def test_path_path_lib(all_parsers):
     tm.assert_frame_equal(df, result)
 
 
-@td.skip_if_wasm  # limited file system access on WASM
+@pytest.mark.skipif(WASM, reason="limited file system access on WASM")
 def test_nonexistent_path(all_parsers):
     # gh-2428: pls no segfault
     # gh-14086: raise more helpful FileNotFoundError
@@ -94,8 +95,7 @@ def test_nonexistent_path(all_parsers):
     assert path == e.value.filename
 
 
-@td.skip_if_wasm  # limited file system access on WASM, it leads to different
-# error messages than on other platforms
+@pytest.mark.skipif(WASM, reason="limited file system access on WASM")
 @td.skip_if_windows  # os.chmod does not work in windows
 def test_no_permission(all_parsers):
     # GH 23784
diff --git a/pandas/tests/io/parser/test_c_parser_only.py b/pandas/tests/io/parser/test_c_parser_only.py
index 96e148b231a9f..ab2e1ee138315 100644
--- a/pandas/tests/io/parser/test_c_parser_only.py
+++ b/pandas/tests/io/parser/test_c_parser_only.py
@@ -18,7 +18,7 @@
 import numpy as np
 import pytest
 
-from pandas.compat._constants import WASM
+from pandas.compat import WASM
 from pandas.compat.numpy import np_version_gte1p24
 from pandas.errors import (
     ParserError,
@@ -552,7 +552,7 @@ def test_chunk_whitespace_on_boundary(c_parser_only):
     tm.assert_frame_equal(result, expected)
 
 
-@td.skip_if_wasm  # limited file system access on WASM
+@pytest.mark.skipif(WASM, reason="limited file system access on WASM")
 def test_file_handles_mmap(c_parser_only, csv1):
     # gh-14418
     #
diff --git a/pandas/tests/io/test_common.py b/pandas/tests/io/test_common.py
index a3a18e2903e53..e4b4d3a82669d 100644
--- a/pandas/tests/io/test_common.py
+++ b/pandas/tests/io/test_common.py
@@ -19,8 +19,10 @@
 import numpy as np
 import pytest
 
-from pandas.compat import is_platform_windows
-import pandas.util._test_decorators as td
+from pandas.compat import (
+    WASM,
+    is_platform_windows,
+)
 
 import pandas as pd
 import pandas._testing as tm
@@ -164,7 +166,7 @@ def test_iterator(self):
             tm.assert_frame_equal(first, expected.iloc[[0]])
             tm.assert_frame_equal(pd.concat(it), expected.iloc[1:])
 
-    @td.skip_if_wasm  # limited file system access on WASM
+    @pytest.mark.skipif(WASM, reason="limited file system access on WASM")
     @pytest.mark.parametrize(
         "reader, module, error_class, fn_ext",
         [
@@ -230,7 +232,7 @@ def test_write_missing_parent_directory(self, method, module, error_class, fn_ex
         ):
             method(dummy_frame, path)
 
-    @td.skip_if_wasm  # limited file system access on WASM
+    @pytest.mark.skipif(WASM, reason="limited file system access on WASM")
     @pytest.mark.parametrize(
         "reader, module, error_class, fn_ext",
         [
@@ -385,7 +387,7 @@ def mmap_file(datapath):
 
 
 class TestMMapWrapper:
-    @td.skip_if_wasm  # limited file system access on WASM
+    @pytest.mark.skipif(WASM, reason="limited file system access on WASM")
     def test_constructor_bad_file(self, mmap_file):
         non_file = StringIO("I am not a file")
         non_file.fileno = lambda: -1
@@ -408,7 +410,7 @@ def test_constructor_bad_file(self, mmap_file):
         with pytest.raises(ValueError, match=msg):
             icom._maybe_memory_map(target, True)
 
-    @td.skip_if_wasm  # limited file system access on WASM
+    @pytest.mark.skipif(WASM, reason="limited file system access on WASM")
     def test_next(self, mmap_file):
         with open(mmap_file, encoding="utf-8") as target:
             lines = target.readlines()
@@ -592,7 +594,7 @@ def test_bad_encdoing_errors():
             icom.get_handle(path, "w", errors="bad")
 
 
-@td.skip_if_wasm  # limited file system access on WASM
+@pytest.mark.skipif(WASM, reason="limited file system access on WASM")
 def test_errno_attribute():
     # GH 13872
     with pytest.raises(FileNotFoundError, match="\\[Errno 2\\]") as err:
diff --git a/pandas/tests/io/xml/test_xml.py b/pandas/tests/io/xml/test_xml.py
index 81a86d2c4b23e..357e6129dd8f1 100644
--- a/pandas/tests/io/xml/test_xml.py
+++ b/pandas/tests/io/xml/test_xml.py
@@ -14,6 +14,7 @@
 import numpy as np
 import pytest
 
+from pandas.compat import WASM
 from pandas.compat._optional import import_optional_dependency
 from pandas.errors import (
     EmptyDataError,
@@ -485,7 +486,7 @@ def test_empty_string_etree(val):
         read_xml(data, parser="etree")
 
 
-@td.skip_if_wasm  # limited file system access on WASM
+@pytest.mark.skipif(WASM, reason="limited file system access on WASM")
 def test_wrong_file_path(parser):
     filename = os.path.join("does", "not", "exist", "books.xml")
 
diff --git a/pandas/tests/scalar/timestamp/methods/test_replace.py b/pandas/tests/scalar/timestamp/methods/test_replace.py
index f79960bf1f6df..c5169fdff0cd4 100644
--- a/pandas/tests/scalar/timestamp/methods/test_replace.py
+++ b/pandas/tests/scalar/timestamp/methods/test_replace.py
@@ -11,6 +11,7 @@
     conversion,
 )
 from pandas._libs.tslibs.dtypes import NpyDatetimeUnit
+from pandas.compat import WASM
 import pandas.util._test_decorators as td
 
 import pandas._testing as tm
@@ -99,7 +100,7 @@ def test_replace_integer_args(self, tz_aware_fixture):
         with pytest.raises(ValueError, match=msg):
             ts.replace(hour=0.1)
 
-    @td.skip_if_wasm  # tzset is available only on Unix-like systems
+    @pytest.mark.skipif(WASM, reason="tzset is not available on WASM")
     def test_replace_tzinfo_equiv_tz_localize_none(self):
         # GH#14621, GH#7825
         # assert conversion to naive is the same as replacing tzinfo with None
@@ -107,7 +108,7 @@ def test_replace_tzinfo_equiv_tz_localize_none(self):
         assert ts.tz_localize(None) == ts.replace(tzinfo=None)
 
     @td.skip_if_windows
-    @td.skip_if_wasm  # tzset is available only on Unix-like systems
+    @pytest.mark.skipif(WASM, reason="tzset is not available on WASM")
     def test_replace_tzinfo(self):
         # GH#15683
         dt = datetime(2016, 3, 27, 1)
diff --git a/pandas/tests/scalar/timestamp/methods/test_timestamp_method.py b/pandas/tests/scalar/timestamp/methods/test_timestamp_method.py
index 60dc5a5e6639c..b576317fca8b4 100644
--- a/pandas/tests/scalar/timestamp/methods/test_timestamp_method.py
+++ b/pandas/tests/scalar/timestamp/methods/test_timestamp_method.py
@@ -1,9 +1,11 @@
 # NB: This is for the Timestamp.timestamp *method* specifically, not
 # the Timestamp class in general.
 
+import pytest
 from pytz import utc
 
 from pandas._libs.tslibs import Timestamp
+from pandas.compat import WASM
 import pandas.util._test_decorators as td
 
 import pandas._testing as tm
@@ -11,7 +13,7 @@
 
 class TestTimestampMethod:
     @td.skip_if_windows
-    @td.skip_if_wasm  # tzset is available only on Unix-like systems
+    @pytest.mark.skipif(WASM, reason="tzset is not available on WASM")
     def test_timestamp(self, fixed_now_ts):
         # GH#17329
         # tz-naive --> treat it as if it were UTC for purposes of timestamp()
diff --git a/pandas/tests/scalar/timestamp/test_formats.py b/pandas/tests/scalar/timestamp/test_formats.py
index b3c7211f531af..44db1187850c9 100644
--- a/pandas/tests/scalar/timestamp/test_formats.py
+++ b/pandas/tests/scalar/timestamp/test_formats.py
@@ -5,7 +5,7 @@
 import pytest
 import pytz  # a test below uses pytz but only inside a `eval` call
 
-import pandas.util._test_decorators as td
+from pandas.compat import WASM
 
 from pandas import Timestamp
 
@@ -97,7 +97,7 @@ class TestTimestampRendering:
     @pytest.mark.parametrize(
         "date", ["2014-03-07", "2014-01-01 09:00", "2014-01-01 00:00:00.000000001"]
     )
-    @td.skip_if_wasm  # tzset is not available in WASM
+    @pytest.mark.skipif(WASM, reason="tzset is not available on WASM")
     def test_repr(self, date, freq, tz):
         # avoid to match with timezone name
         freq_repr = f"'{freq}'"
diff --git a/pandas/tests/tools/test_to_datetime.py b/pandas/tests/tools/test_to_datetime.py
index 621379852d3ca..b05c30fa50fbe 100644
--- a/pandas/tests/tools/test_to_datetime.py
+++ b/pandas/tests/tools/test_to_datetime.py
@@ -21,6 +21,7 @@
     iNaT,
     parsing,
 )
+from pandas.compat import WASM
 from pandas.errors import (
     OutOfBoundsDatetime,
     OutOfBoundsTimedelta,
@@ -959,7 +960,7 @@ def test_to_datetime_YYYYMMDD(self):
         assert actual == datetime(2008, 1, 15)
 
     @td.skip_if_windows  # `tm.set_timezone` does not work in windows
-    @td.skip_if_wasm  # tzset is available only on Unix-like systems
+    @pytest.mark.skipif(WASM, reason="tzset is not available on WASM")
     def test_to_datetime_now(self):
         # See GH#18666
         with tm.set_timezone("US/Eastern"):
@@ -977,7 +978,7 @@ def test_to_datetime_now(self):
             assert pdnow2.tzinfo is None
 
     @td.skip_if_windows  # `tm.set_timezone` does not work on Windows
-    @td.skip_if_wasm  # tzset is available only on Unix-like systems
+    @pytest.mark.skipif(WASM, reason="tzset is not available on WASM")
     @pytest.mark.parametrize("tz", ["Pacific/Auckland", "US/Samoa"])
     def test_to_datetime_today(self, tz):
         # See GH#18666
@@ -1009,7 +1010,7 @@ def test_to_datetime_today_now_unicode_bytes(self, arg):
         to_datetime([arg])
 
     @pytest.mark.filterwarnings("ignore:Timestamp.utcnow is deprecated:FutureWarning")
-    @td.skip_if_wasm  # tzset is available only on Unix-like systems
+    @pytest.mark.skipif(WASM, reason="tzset is not available on WASM")
     @pytest.mark.parametrize(
         "format, expected_ds",
         [
diff --git a/pandas/tests/tslibs/test_parsing.py b/pandas/tests/tslibs/test_parsing.py
index 174e1a86cfdff..9b64beaf09273 100644
--- a/pandas/tests/tslibs/test_parsing.py
+++ b/pandas/tests/tslibs/test_parsing.py
@@ -17,6 +17,7 @@
 from pandas._libs.tslibs.parsing import parse_datetime_string_with_reso
 from pandas.compat import (
     ISMUSL,
+    WASM,
     is_platform_windows,
 )
 import pandas.util._test_decorators as td
@@ -29,7 +30,7 @@
 from pandas._testing._hypothesis import DATETIME_NO_TZ
 
 
-@td.skip_if_wasm  # tzset is available only on Unix-like systems
+@pytest.mark.skipif(WASM, reason="tzset is not available on WASM")
 @pytest.mark.skipif(
     is_platform_windows() or ISMUSL,
     reason="TZ setting incorrect on Windows and MUSL Linux",

From 51f88930c5de28d839466e2701eef73e12cb98b3 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Sat, 4 May 2024 01:06:55 +0530
Subject: [PATCH 27/32] Import `WASM` var via public API where possible

---
 pandas/tests/apply/test_str.py              | 2 +-
 pandas/tests/arithmetic/test_timedelta64.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/pandas/tests/apply/test_str.py b/pandas/tests/apply/test_str.py
index a05a8a20001ee..aeece1c0d3de0 100644
--- a/pandas/tests/apply/test_str.py
+++ b/pandas/tests/apply/test_str.py
@@ -4,7 +4,7 @@
 import numpy as np
 import pytest
 
-from pandas.compat._constants import WASM
+from pandas.compat import WASM
 
 from pandas.core.dtypes.common import is_number
 
diff --git a/pandas/tests/arithmetic/test_timedelta64.py b/pandas/tests/arithmetic/test_timedelta64.py
index 6afc31ed7e91b..4583155502374 100644
--- a/pandas/tests/arithmetic/test_timedelta64.py
+++ b/pandas/tests/arithmetic/test_timedelta64.py
@@ -8,7 +8,7 @@
 import numpy as np
 import pytest
 
-from pandas.compat._constants import WASM
+from pandas.compat import WASM
 from pandas.errors import OutOfBoundsDatetime
 
 import pandas as pd

From ab911d1b32bca21b48872024d60dae54d5844be5 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Sat, 4 May 2024 01:19:59 +0530
Subject: [PATCH 28/32] Unpin `pytest` for Pyodide job

---
 .github/workflows/unit-tests.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index c90713a8b400b..1b88d4d90d3e1 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -401,7 +401,7 @@ jobs:
           PANDAS_CI: 1
         run: |
           source .venv-pyodide/bin/activate
-          pip install "pytest<8.1.0" hypothesis
+          pip install pytest hypothesis
           # do not import pandas from the checked out repo
           cd ..
           python -c 'import pandas as pd; pd.test(extra_args=["-m not clipboard and not single_cpu and not slow and not network and not db"])'

From 7371f64341baa9aab8088893023ae8ec7003c900 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Sat, 4 May 2024 02:05:17 +0530
Subject: [PATCH 29/32] Add reason attr when using boolean to skip test

---
 pandas/tests/indexes/datetimes/methods/test_normalize.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pandas/tests/indexes/datetimes/methods/test_normalize.py b/pandas/tests/indexes/datetimes/methods/test_normalize.py
index 0adca7a62956f..0ce28d60b53b9 100644
--- a/pandas/tests/indexes/datetimes/methods/test_normalize.py
+++ b/pandas/tests/indexes/datetimes/methods/test_normalize.py
@@ -71,7 +71,9 @@ def test_normalize_tz(self):
         assert not rng.is_normalized
 
     @td.skip_if_windows
-    @pytest.mark.skipif(WASM, "tzset is available only on Unix-like systems, not WASM")
+    @pytest.mark.skipif(
+        WASM, reason="tzset is available only on Unix-like systems, not WASM"
+    )
     @pytest.mark.parametrize(
         "timezone",
         [

From ef7a3abcdbce664f2e63eef8f4557f3a32805115 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Sat, 4 May 2024 02:43:49 +0530
Subject: [PATCH 30/32] Don't xfail, skip tests that bring `OverflowError`s

---
 pandas/tests/indexes/datetimes/methods/test_resolution.py | 1 +
 pandas/tests/tseries/offsets/test_common.py               | 8 ++++++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/pandas/tests/indexes/datetimes/methods/test_resolution.py b/pandas/tests/indexes/datetimes/methods/test_resolution.py
index 93d0b8f557b06..42c3ab0617b7c 100644
--- a/pandas/tests/indexes/datetimes/methods/test_resolution.py
+++ b/pandas/tests/indexes/datetimes/methods/test_resolution.py
@@ -23,6 +23,7 @@
         ("us", "microsecond"),
     ],
 )
+@pytest.mark.skipif(WASM, reason="OverflowError received on WASM")
 def test_dti_resolution(request, tz_naive_fixture, freq, expected):
     tz = tz_naive_fixture
     if freq == "YE" and ((not IS64) or WASM) and isinstance(tz, tzlocal):
diff --git a/pandas/tests/tseries/offsets/test_common.py b/pandas/tests/tseries/offsets/test_common.py
index 056a1c1e85bea..34181f28bb1a0 100644
--- a/pandas/tests/tseries/offsets/test_common.py
+++ b/pandas/tests/tseries/offsets/test_common.py
@@ -107,7 +107,7 @@ def _offset(request):
     return request.param
 
 
-@pytest.mark.xfail(WASM, reason="OverflowError received on WASM")
+@pytest.mark.skipif(WASM, reason="OverflowError received on WASM")
 def test_apply_out_of_range(request, tz_naive_fixture, _offset):
     tz = tz_naive_fixture
 
@@ -132,7 +132,11 @@ def test_apply_out_of_range(request, tz_naive_fixture, _offset):
         if tz is not None:
             assert t.tzinfo is not None
 
-        if isinstance(tz, tzlocal) and not IS64 and _offset is not DateOffset:
+        if (
+            isinstance(tz, tzlocal)
+            and ((not IS64) or WASM)
+            and _offset is not DateOffset
+        ):
             # If we hit OutOfBoundsDatetime on non-64 bit machines
             # we'll drop out of the try clause before the next test
             request.applymarker(

From c089852aad05f01eb3cf2e6b650a082005e8b8af Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Sat, 4 May 2024 03:32:49 +0530
Subject: [PATCH 31/32] Skip timedelta test that runs well only on 64-bit

---
 pandas/tests/tools/test_to_timedelta.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pandas/tests/tools/test_to_timedelta.py b/pandas/tests/tools/test_to_timedelta.py
index c052ca58f5873..ba000a0439dd1 100644
--- a/pandas/tests/tools/test_to_timedelta.py
+++ b/pandas/tests/tools/test_to_timedelta.py
@@ -6,7 +6,10 @@
 import numpy as np
 import pytest
 
-from pandas.compat import IS64
+from pandas.compat import (
+    IS64,
+    WASM,
+)
 from pandas.errors import OutOfBoundsTimedelta
 
 import pandas as pd
@@ -214,6 +217,7 @@ def test_to_timedelta_on_missing_values_list(self, val):
         actual = to_timedelta([val])
         assert actual[0]._value == np.timedelta64("NaT").astype("int64")
 
+    @pytest.mark.skipif(WASM, reason="No fp exception support in WASM")
     @pytest.mark.xfail(not IS64, reason="Floating point error")
     def test_to_timedelta_float(self):
         # https://github.com/pandas-dev/pandas/issues/25077

From 6a907c1ebe9532e6007aa703a9aad98a5fce1826 Mon Sep 17 00:00:00 2001
From: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>
Date: Sat, 4 May 2024 03:38:03 +0530
Subject: [PATCH 32/32] Skip tests that use `np.timedelta64`

---
 pandas/tests/io/sas/test_sas7bdat.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pandas/tests/io/sas/test_sas7bdat.py b/pandas/tests/io/sas/test_sas7bdat.py
index e310a1496bfa1..fc5df6d9babcb 100644
--- a/pandas/tests/io/sas/test_sas7bdat.py
+++ b/pandas/tests/io/sas/test_sas7bdat.py
@@ -171,6 +171,7 @@ def test_airline(datapath):
     tm.assert_frame_equal(df, df0)
 
 
+@pytest.mark.skipif(WASM, reason="Pyodide/WASM has 32-bitness")
 def test_date_time(datapath):
     # Support of different SAS date/datetime formats (PR #15871)
     fname = datapath("io", "sas", "data", "datetime.sas7bdat")
@@ -342,6 +343,7 @@ def test_max_sas_date_iterator(datapath):
     tm.assert_frame_equal(results[1], expected[1])
 
 
+@pytest.mark.skipif(WASM, reason="Pyodide/WASM has 32-bitness")
 def test_null_date(datapath):
     fname = datapath("io", "sas", "data", "dates_null.sas7bdat")
     df = pd.read_sas(fname, encoding="utf-8")