Start work on Python support

Cargo.lock

@@ -5277,6 +5277,16 @@ dependencies = [
  "tree-sitter",
 ]
 
+[[package]]
+name = "tree-sitter-python"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0d315475c65416274539dd1db9fa2de94918a6ef399dc1287be7cb7bc83dd6d"
+dependencies = [
+ "cc",
+ "tree-sitter",
+]
+
 [[package]]
 name = "tree-sitter-rust"
 version = "0.20.1"
@@ -6030,6 +6040,7 @@ dependencies = [
  "tree-sitter-go",
  "tree-sitter-json 0.20.0",
  "tree-sitter-markdown",
+ "tree-sitter-python",
  "tree-sitter-rust",
  "tree-sitter-toml",
  "tree-sitter-typescript",

crates/zed/Cargo.toml

@@ -94,6 +94,7 @@ tree-sitter-go = { git = "https://github.com/tree-sitter/tree-sitter-go", rev =
 tree-sitter-json = { git = "https://github.com/tree-sitter/tree-sitter-json", rev = "137e1ce6a02698fc246cdb9c6b886ed1de9a1ed8" }
 tree-sitter-rust = "0.20.1"
 tree-sitter-markdown = { git = "https://github.com/MDeiml/tree-sitter-markdown", rev = "330ecab87a3e3a7211ac69bbadc19eabecdb1cca" }
+tree-sitter-python = "0.20.0"
 tree-sitter-toml = { git = "https://github.com/tree-sitter/tree-sitter-toml", rev = "342d9be207c2dba869b9967124c679b5e6fd0ebe" }
 tree-sitter-typescript = "0.20.1"
 url = "2.2"

crates/zed/src/languages.rs

@@ -43,6 +43,11 @@ pub fn build_language_registry(login_shell_env_loaded: Task<()>) -> LanguageRegi
             tree_sitter_markdown::language(),
             None, //
         ),
+        (
+            "python",
+            tree_sitter_python::language(),
+            None, //
+        ),
         (
             "rust",
             tree_sitter_rust::language(),

crates/zed/src/languages/python/config.toml

@@ -0,0 +1,11 @@
+name = "Python"
+path_suffixes = ["py"]
+line_comment = "# "
+autoclose_before = ";:.,=}])>"
+brackets = [
+  { start = "{", end = "}", close = true, newline = true },
+  { start = "[", end = "]", close = true, newline = true },
+  { start = "(", end = ")", close = true, newline = true },
+  { start = "\"", end = "\"", close = true, newline = false },
+  { start = "'", end = "'", close = false, newline = false },
+]

crates/zed/src/languages/python/highlights.scm

@@ -0,0 +1,125 @@
+(attribute attribute: (identifier) @property)
+(type (identifier) @type)
+
+; Function calls
+
+(decorator) @function
+
+(call
+  function: (attribute attribute: (identifier) @function.method))
+(call
+  function: (identifier) @function)
+
+; Function definitions
+
+(function_definition
+  name: (identifier) @function)
+
+; Identifier naming conventions
+
+((identifier) @constructor
+ (#match? @constructor "^[A-Z]"))
+
+((identifier) @constant
+ (#match? @constant "^[A-Z][A-Z_]*$"))
+
+; Builtin functions
+
+((call
+  function: (identifier) @function.builtin)
+ (#match?
+   @function.builtin
+   "^(abs|all|any|ascii|bin|bool|breakpoint|bytearray|bytes|callable|chr|classmethod|compile|complex|delattr|dict|dir|divmod|enumerate|eval|exec|filter|float|format|frozenset|getattr|globals|hasattr|hash|help|hex|id|input|int|isinstance|issubclass|iter|len|list|locals|map|max|memoryview|min|next|object|oct|open|ord|pow|print|property|range|repr|reversed|round|set|setattr|slice|sorted|staticmethod|str|sum|super|tuple|type|vars|zip|__import__)$"))
+
+; Literals
+
+[
+  (none)
+  (true)
+  (false)
+] @constant.builtin
+
+[
+  (integer)
+  (float)
+] @number
+
+(comment) @comment
+(string) @string
+(escape_sequence) @escape
+
+(interpolation
+  "{" @punctuation.special
+  "}" @punctuation.special) @embedded
+
+[
+  "-"
+  "-="
+  "!="
+  "*"
+  "**"
+  "**="
+  "*="
+  "/"
+  "//"
+  "//="
+  "/="
+  "&"
+  "%"
+  "%="
+  "^"
+  "+"
+  "->"
+  "+="
+  "<"
+  "<<"
+  "<="
+  "<>"
+  "="
+  ":="
+  "=="
+  ">"
+  ">="
+  ">>"
+  "|"
+  "~"
+  "and"
+  "in"
+  "is"
+  "not"
+  "or"
+] @operator
+
+[
+  "as"
+  "assert"
+  "async"
+  "await"
+  "break"
+  "class"
+  "continue"
+  "def"
+  "del"
+  "elif"
+  "else"
+  "except"
+  "exec"
+  "finally"
+  "for"
+  "from"
+  "global"
+  "if"
+  "import"
+  "lambda"
+  "nonlocal"
+  "pass"
+  "print"
+  "raise"
+  "return"
+  "try"
+  "while"
+  "with"
+  "yield"
+  "match"
+  "case"
+] @keyword

crates/zed/src/languages/python/indents.scm

@@ -0,0 +1,6 @@
+(class_definition body: (block)) @indent
+(function_definition body: (block)) @indent
+
+(_ "[" "]" @end) @indent
+(_ "{" "}" @end) @indent
+(_ "(" ")" @end) @indent

styles/src/themes/common/base16.ts

@@ -171,6 +171,10 @@ export function createTheme(
       color: sample(ramps.cyan, 0.5),
       weight: fontWeights.normal,
     },
+    constructor: {
+      color: sample(ramps.blue, 0.5),
+      weight: fontWeights.normal,
+    },
     variant: {
       color: sample(ramps.blue, 0.5),
       weight: fontWeights.normal,