feat(common): provide some useful paths for the mako templates

common/tools/cointool.py

@@ -25,6 +25,9 @@ DEFINITIONS_LATEST_URL = (
     "https://raw.githubusercontent.com/trezor/definitions/main/definitions-latest.json"
 )
 
+HERE = Path(__file__).parent.resolve()
+ROOT = HERE.parent.parent
+
 try:
     import termcolor
 except ImportError:
@@ -148,10 +151,13 @@ def render_file(
     eth_defs_date = datetime.datetime.fromisoformat(
         DEFINITIONS_TIMESTAMP_PATH.read_text().strip()
     )
+    this_file = Path(src)
     result = template.render(
         support_info=support_info,
         supported_on=make_support_filter(support_info),
         ethereum_defs_timestamp=int(eth_defs_date.timestamp()),
+        THIS_FILE=this_file,
+        ROOT=ROOT,
         **coins,
         **MAKO_FILTERS,
     )

core/embed/rust/librust_qstr.h.mako

@@ -1,4 +1,4 @@
-// generated from librust_qstr.h.mako
+// generated from ${THIS_FILE.name}
 // (by running `make templates` in `core`)
 // do not edit manually!
 #pragma GCC diagnostic ignored "-Wunused-value"
@@ -11,9 +11,7 @@ import sys
 from pathlib import Path
 from typing import Union, Set
 
-THIS = Path(local.filename).resolve()
-HERE = THIS.parent
-RUST_SRC = HERE / "src"
+RUST_SRC = THIS_FILE.parent / "src"
 
 def find_unique_patterns_in_dir(directory: Union[str, Path], pattern: str) -> Set[str]:
     command = f"grep -ro '{pattern}' {directory}"

core/mocks/trezortranslate_keys.pyi.mako

@@ -1,14 +1,10 @@
-# generated from trezortranslate_keys.pyi.mako
+# generated from ${THIS_FILE.name}
 # (by running `make templates` in `core`)
 # do not edit manually!
 <%
 import json
-from pathlib import Path
 
-THIS = Path(local.filename).resolve()
-CORE_DIR = THIS.parent.parent
-
-en_file = CORE_DIR / "embed" / "rust" / "src" / "translations" / "en.json"
+en_file = ROOT / "core" / "translations" / "en.json"
 en_data = json.loads(en_file.read_text())["translations"]
 
 %>\

core/src/all_modules.py.mako

@@ -1,15 +1,13 @@
-# generated from all_modules.py.mako
+# generated from ${THIS_FILE.name}
 # (by running `make templates` in `core`)
 # do not edit manually!
 # flake8: noqa
 # fmt: off
 # isort:skip_file
 <%
-from pathlib import Path
 from itertools import chain
 
-THIS = Path(local.filename).resolve()
-SRCDIR = THIS.parent
+SRCDIR = THIS_FILE.parent
 
 PATTERNS = (
     "*.py",