Added _cells

poetry.lock

@@ -74,7 +74,7 @@ tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>
 
 [[package]]
 name = "black"
-version = "22.3.0"
+version = "22.6.0"
 description = "The uncompromising code formatter."
 category = "dev"
 optional = false
@@ -85,7 +85,7 @@ click = ">=8.0.0"
 mypy-extensions = ">=0.4.3"
 pathspec = ">=0.9.0"
 platformdirs = ">=2"
-tomli = {version = ">=1.1.0", markers = "python_version < \"3.11\""}
+tomli = {version = ">=1.1.0", markers = "python_full_version < \"3.11.0a7\""}
 typed-ast = {version = ">=1.4.2", markers = "python_version < \"3.8\" and implementation_name == \"cpython\""}
 typing-extensions = {version = ">=3.10.0.0", markers = "python_version < \"3.10\""}
 
@@ -208,14 +208,14 @@ dev = ["twine", "markdown", "flake8", "wheel"]
 
 [[package]]
 name = "griffe"
-version = "0.20.0"
+version = "0.21.0"
 description = "Signatures for entire Python programs. Extract the structure, the frame, the skeleton of your project, to generate API documentation or find breaking changes in your API."
 category = "dev"
 optional = false
 python-versions = ">=3.7"
 
 [package.dependencies]
-cached_property = {version = "*", markers = "python_version < \"3.8\""}
+cached-property = {version = "*", markers = "python_version < \"3.8\""}
 
 [package.extras]
 async = ["aiofiles (>=0.7,<1.0)"]
@@ -241,7 +241,7 @@ python-versions = ">=3.5"
 
 [[package]]
 name = "importlib-metadata"
-version = "4.11.4"
+version = "4.12.0"
 description = "Read metadata from Python packages"
 category = "main"
 optional = false
@@ -254,7 +254,7 @@ zipp = ">=0.5"
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=9)", "rst.linker (>=1.9)"]
 perf = ["ipython"]
-testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pyfakefs", "flufl.flake8", "pytest-perf (>=0.9.2)", "pytest-black (>=0.3.7)", "pytest-mypy (>=0.9.1)", "importlib-resources (>=1.3)"]
+testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.3)", "packaging", "pyfakefs", "flufl.flake8", "pytest-perf (>=0.9.2)", "pytest-black (>=0.3.7)", "pytest-mypy (>=0.9.1)", "importlib-resources (>=1.3)"]
 
 [[package]]
 name = "iniconfig"
@@ -446,11 +446,11 @@ python-versions = "*"
 
 [[package]]
 name = "nodeenv"
-version = "1.6.0"
+version = "1.7.0"
 description = "Node.js virtual environment builder"
 category = "dev"
 optional = false
-python-versions = "*"
+python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*"
 
 [[package]]
 name = "packaging"
@@ -658,21 +658,16 @@ version = "12.4.4"
 description = "Render rich text, tables, progress bars, syntax highlighting, markdown and more to the terminal"
 category = "main"
 optional = false
-python-versions = "^3.6.3"
-develop = true
+python-versions = ">=3.6.3,<4.0.0"
 
 [package.dependencies]
-commonmark = "^0.9.0"
-pygments = "^2.6.0"
-typing-extensions = {version = ">=4.0.0, <5.0", markers = "python_version < \"3.9\""}
+commonmark = ">=0.9.0,<0.10.0"
+pygments = ">=2.6.0,<3.0.0"
+typing-extensions = {version = ">=4.0.0,<5.0", markers = "python_version < \"3.9\""}
 
 [package.extras]
 jupyter = ["ipywidgets (>=7.5.1,<8.0.0)"]
 
-[package.source]
-type = "directory"
-url = "../rich"
-
 [[package]]
 name = "six"
 version = "1.16.0"
@@ -726,7 +721,7 @@ python-versions = ">=3.7"
 
 [[package]]
 name = "virtualenv"
-version = "20.14.1"
+version = "20.15.0"
 description = "Virtual Python Environment builder"
 category = "dev"
 optional = false
@@ -785,7 +780,7 @@ dev = ["aiohttp", "click", "msgpack"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "08c432accbe56db11ca9b2d69c2b4e15967e1a0142d4508f245715cae6f3d239"
+content-hash = "8ce8d66466dad1b984673595ebd0cc7bc0d28c7a672269e9b5620c242d87d9ad"
 
 [metadata.files]
 aiohttp = [
@@ -883,29 +878,29 @@ attrs = [
     {file = "attrs-21.4.0.tar.gz", hash = "sha256:626ba8234211db98e869df76230a137c4c40a12d72445c45d5f5b716f076e2fd"},
 ]
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+    {file = "black-22.6.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:b154e6bbde1e79ea3260c4b40c0b7b3109ffcdf7bc4ebf8859169a6af72cd70b"},
+    {file = "black-22.6.0-cp39-cp39-win_amd64.whl", hash = "sha256:4af5bc0e1f96be5ae9bd7aaec219c901a94d6caa2484c21983d043371c733fc4"},
+    {file = "black-22.6.0-py3-none-any.whl", hash = "sha256:ac609cf8ef5e7115ddd07d85d988d074ed00e10fbc3445aee393e70164a2219c"},
+    {file = "black-22.6.0.tar.gz", hash = "sha256:6c6d39e28aed379aec40da1c65434c77d75e65bb59a1e1c283de545fb4e7c6c9"},
 ]
 cached-property = [
     {file = "cached-property-1.5.2.tar.gz", hash = "sha256:9fa5755838eecbb2d234c3aa390bd80fbd3ac6b6869109bfc1b499f7bd89a130"},
@@ -1048,8 +1043,8 @@ ghp-import = [
     {file = "ghp_import-2.1.0-py3-none-any.whl", hash = "sha256:8337dd7b50877f163d4c0289bc1f1c7f127550241988d568c1db512c4324a619"},
 ]
 griffe = [
-    {file = "griffe-0.20.0-py3-none-any.whl", hash = "sha256:899e0c9c09baf22b31de1c969a03edaf0ddf72d0a7183df8de746b6c26ed62f4"},
-    {file = "griffe-0.20.0.tar.gz", hash = "sha256:bf181de6e661c0d2a229c1dc7e90db0def280ee3a89c6829fcc1695baee65f7f"},
+    {file = "griffe-0.21.0-py3-none-any.whl", hash = "sha256:e9fb5eeb7c721e1d84804452bdc742bd57b120b13aba663157668ae2d217088a"},
+    {file = "griffe-0.21.0.tar.gz", hash = "sha256:61ab3bc02b09afeb489f1aef44c646a09f1837d9cdf15943ac6021903a4d3984"},
 ]
 identify = [
     {file = "identify-2.5.1-py2.py3-none-any.whl", hash = "sha256:0dca2ea3e4381c435ef9c33ba100a78a9b40c0bab11189c7cf121f75815efeaa"},
@@ -1060,8 +1055,8 @@ idna = [
     {file = "idna-3.3.tar.gz", hash = "sha256:9d643ff0a55b762d5cdb124b8eaa99c66322e2157b69160bc32796e824360e6d"},
 ]
 importlib-metadata = [
-    {file = "importlib_metadata-4.11.4-py3-none-any.whl", hash = "sha256:c58c8eb8a762858f49e18436ff552e83914778e50e9d2f1660535ffb364552ec"},
-    {file = "importlib_metadata-4.11.4.tar.gz", hash = "sha256:5d26852efe48c0a32b0509ffbc583fda1a2266545a78d104a6f4aff3db17d700"},
+    {file = "importlib_metadata-4.12.0-py3-none-any.whl", hash = "sha256:7401a975809ea1fdc658c3aa4f78cc2195a0e019c5cbc4c06122884e9ae80c23"},
+    {file = "importlib_metadata-4.12.0.tar.gz", hash = "sha256:637245b8bab2b6502fcbc752cc4b7a6f6243bb02b31c5c26156ad103d3d45670"},
 ]
 iniconfig = [
     {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
@@ -1290,8 +1285,8 @@ mypy-extensions = [
     {file = "mypy_extensions-0.4.3.tar.gz", hash = "sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8"},
 ]
 nodeenv = [
-    {file = "nodeenv-1.6.0-py2.py3-none-any.whl", hash = "sha256:621e6b7076565ddcacd2db0294c0381e01fd28945ab36bcf00f41c5daf63bef7"},
-    {file = "nodeenv-1.6.0.tar.gz", hash = "sha256:3ef13ff90291ba2a4a7a4ff9a979b63ffdd00a464dbe04acf0ea6471517a4c2b"},
+    {file = "nodeenv-1.7.0-py2.py3-none-any.whl", hash = "sha256:27083a7b96a25f2f5e1d8cb4b6317ee8aeda3bdd121394e5ac54e498028a042e"},
+    {file = "nodeenv-1.7.0.tar.gz", hash = "sha256:e0e7f7dfb85fc5394c6fe1e8fa98131a2473e04311a45afb6508f7cf1836fa2b"},
 ]
 packaging = [
     {file = "packaging-21.3-py3-none-any.whl", hash = "sha256:ef103e05f519cdc783ae24ea4e2e0f508a9c99b2d4969652eed6a2e1ea5bd522"},
@@ -1389,7 +1384,10 @@ pyyaml-env-tag = [
     {file = "pyyaml_env_tag-0.1-py3-none-any.whl", hash = "sha256:af31106dec8a4d68c60207c1886031cbf839b68aa7abccdb19868200532c2069"},
     {file = "pyyaml_env_tag-0.1.tar.gz", hash = "sha256:70092675bda14fdec33b31ba77e7543de9ddc88f2e5b99160396572d11525bdb"},
 ]
-rich = []
+rich = [
+    {file = "rich-12.4.4-py3-none-any.whl", hash = "sha256:d2bbd99c320a2532ac71ff6a3164867884357da3e3301f0240090c5d2fdac7ec"},
+    {file = "rich-12.4.4.tar.gz", hash = "sha256:4c586de507202505346f3e32d1363eb9ed6932f0c2f63184dea88983ff4971e2"},
+]
 six = [
     {file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
     {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},
@@ -1475,8 +1473,8 @@ typing-extensions = [
     {file = "typing_extensions-4.2.0.tar.gz", hash = "sha256:f1c24655a0da0d1b67f07e17a5e6b2a105894e6824b92096378bb3668ef02376"},
 ]
 virtualenv = [
-    {file = "virtualenv-20.14.1-py2.py3-none-any.whl", hash = "sha256:e617f16e25b42eb4f6e74096b9c9e37713cf10bf30168fb4a739f3fa8f898a3a"},
-    {file = "virtualenv-20.14.1.tar.gz", hash = "sha256:ef589a79795589aada0c1c5b319486797c03b67ac3984c48c669c0e4f50df3a5"},
+    {file = "virtualenv-20.15.0-py2.py3-none-any.whl", hash = "sha256:804cce4de5b8a322f099897e308eecc8f6e2951f1a8e7e2b3598dff865f01336"},
+    {file = "virtualenv-20.15.0.tar.gz", hash = "sha256:4c44b1d77ca81f8368e2d7414f9b20c428ad16b343ac6d226206c5b84e2b4fcc"},
 ]
 watchdog = [
     {file = "watchdog-2.1.9-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:a735a990a1095f75ca4f36ea2ef2752c99e6ee997c46b0de507ba40a09bf7330"},

pyproject.toml

@@ -22,8 +22,8 @@ textual = "textual.cli.cli:run"
 
 [tool.poetry.dependencies]
 python = "^3.7"
-#rich = "^12.4.3"
-rich = {path="../rich", develop=true}
+rich = "^12.4.3"
+#rich = {path="../rich", develop=true}
 importlib-metadata = "^4.11.3"
 typing-extensions = { version = "^4.0.0", python = "<3.8" }
 

sandbox/will/basic.py

@@ -192,5 +192,8 @@ if __name__ == "__main__":
     print(Scalar.resolve_dimension.cache_info())
 
     from rich.style import Style
+    from rich.cells import cached_cell_len
 
     print(Style._add.cache_info())
+
+    print(cached_cell_len.cache_info())

src/textual/_cells.py

@@ -0,0 +1,6 @@
+__all__ = ["cell_len"]
+
+try:
+    from rich.cells import cached_cell_len as cell_len
+except ImportError:
+    from rich.cells import cell_len

src/textual/_compositor.py

@@ -19,7 +19,7 @@ import sys
 from typing import Callable, cast, Iterator, Iterable, NamedTuple, TYPE_CHECKING
 
 import rich.repr
-from rich.cells import cached_cell_len
+
 from rich.console import Console, ConsoleOptions, RenderResult, RenderableType
 from rich.control import Control
 from rich.segment import Segment
@@ -28,9 +28,9 @@ from rich.style import Style
 from . import errors
 from .geometry import Region, Offset, Size
 
+from ._cells import cell_len
 from ._profile import timer
 from ._loop import loop_last
-from ._segment_tools import line_crop
 from ._types import Lines
 
 if sys.version_info >= (3, 10):
@@ -124,7 +124,7 @@ class ChopsUpdate:
         chop_ends = self.chop_ends
         last_y = self.spans[-1][0]
 
-        _cell_len = cached_cell_len
+        _cell_len = cell_len
 
         for y, x1, x2 in self.spans:
             line = chops[y]

src/textual/_segment_tools.py

@@ -4,9 +4,10 @@ Tools for processing Segments, or lists of Segments.
 
 from __future__ import annotations
 
-from rich.cells import cached_cell_len
 from rich.segment import Segment
 
+from ._cells import cell_len
+
 
 def line_crop(segments: list[Segment], start: int, end: int, total: int):
     """Crops a list of segments between two cell offsets.
@@ -23,7 +24,7 @@ def line_crop(segments: list[Segment], start: int, end: int, total: int):
     # The following line has equivalent functionality (but a little slower)
     # return list(Segment.divide(segments, [start, end]))[1]
 
-    _cell_len = cached_cell_len
+    _cell_len = cell_len
     pos = 0
     output_segments: list[Segment] = []
     add_segment = output_segments.append