perf: improve startup performance (#243)

Makefile

@@ -41,11 +41,6 @@ type-coverage: ${reportDir}/linecount.txt
 .PHONY: type-coverage
 
 
-
-
-
-
-
 # logs are written to journald in order not to interfere with the TUI
 logs:
  journalctl --identifier sodalite --follow
@@ -89,6 +84,11 @@ setup-hooks:
  done
 
 
+import-profile: deps
+ ${activate} \
+ && pip install tuna \
+ && tuna <(python -X importtime -m sodalite 2>&1 1>/dev/null)
+.PHONY: import-profile
 
 ###################
 #### Installer

sodalite/core/entry.py

@@ -4,8 +4,6 @@
 from pathlib import Path
 from typing import Optional
 
-from binaryornot import check
-
 from sodalite.core import rating, config
 from sodalite.core.hook import Hook
 from sodalite.core.key import Key
@@ -116,7 +114,11 @@ def is_hidden(self) -> bool:
 
  @functools.cached_property
  def is_plain_text_file(self) -> bool:
- return self.is_file and not self.name.endswith('.pdf') and not check.is_binary(str(self.path))
+ if self.is_file:
+ from binaryornot import check
+ return not self.name.endswith('.pdf') and not check.is_binary(str(self.path))
+ else:
+ return False
 
  @functools.cached_property
  def is_dir(self) -> bool:

sodalite/ui/control.py

@@ -3,8 +3,6 @@
 from typing import Callable, Tuple, Optional
 from typing import TYPE_CHECKING
 
-import pyperclip
-
 from sodalite.core import key as key_module, hook, buffer, operate, Navigator
 from sodalite.core.action import Action
 from sodalite.core.action_def import ActionName
@@ -154,6 +152,7 @@ def yank_file_content_to_clipboard(self) -> None:
  self.yank_to_clipboard(entry.content)
 
  def yank_to_clipboard(self, text: str) -> None:
+ import pyperclip
  try:
  pyperclip.copy(text)
  text_to_log = text[0:60].replace("\n", "")

sodalite/ui/highlighting.py

@@ -2,10 +2,6 @@
 from pathlib import Path
 from typing import Pattern, Generator
 
-import pygments
-from pygments import lexers, token
-from pygments.lexers.shell import BashLexer
-
 from sodalite.core.entry import Entry
 from sodalite.ui import theme
 
@@ -21,6 +17,7 @@ def __init__(self, content, line_number):
  self.numbered_content = [formatted_line_number] + content
 
  def bold_headings(self, content):
+ from pygments import token
  heading = None
  new_content = []
  for attr, word in content:
@@ -47,16 +44,17 @@ def compute_highlighting(entry: Entry) -> Generator[HighlightedLine, None, None]
 
 
 def find_lexer(file: Path, content: str):
+ import pygments
  try:
  if file.name in ('.gitignore', '.dockerignore'):
+ from pygments.lexers.shell import BashLexer
  lexer = BashLexer()
  else:
- lexer = lexers.guess_lexer_for_filename(str(file), content, stripnl=False,
- ensurenl=False)
+ lexer = pygments.lexers.guess_lexer_for_filename(str(file), content, stripnl=False, ensurenl=False)
  logger.debug('Detected lexer by filename')
  except pygments.util.ClassNotFound:
  try:
- lexer = lexers.guess_lexer(content, stripnl=False, ensurenl=False)
+ lexer = pygments.lexers.guess_lexer(content, stripnl=False, ensurenl=False)
  logger.debug('Detected lexer by file content')
  except pygments.util.ClassNotFound:
  lexer = BashLexer(stripnl=False, ensurenl=False)