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Simple version for Django tag and filter completion
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‎.gitignore‎

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# Static project files
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/env/
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# Python files
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.Python
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.python-version
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*.pyc
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__pycache__
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pip-selfcheck.json
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# Build files
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*.egg-info/
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/build/
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/dist/
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# OS and project files
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.DS_Store
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.mypy_cache
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.template-version
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.vscode
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.pytest_cache/
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.env
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*.swp
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.idea/
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.helix/
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# Coverage
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.coverage
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coverage.xml
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htmlcov/

‎README.md‎

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# Django template LSP
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A simple Django template LSP for completions
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## Install
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pip install django-template-lsp
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## Editors
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### Helix
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In your global or project `languages.toml` add the following
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```toml
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[language-server.djlsp]
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command = "djlsp"
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[[language]]
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name = "html"
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language-servers = [ "vscode-html-language-server", "djlsp" ]
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```

‎djlsp/__init__.py‎

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__version__ = "0.1.0"

‎djlsp/__main__.py‎

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from djlsp.cli import main
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main()

‎djlsp/cli.py‎

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from djlsp.server import server
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def main():
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server.start_io()

‎djlsp/completion.py‎

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import re
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TAGS = [
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"autoescape",
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"block",
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"comment",
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"filter",
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"for",
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"if",
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"ifchanged",
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"spaceless",
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"verbatim",
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"with",
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# TODO: check if i18n is loaded
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"blocktranslate",
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# TODO: check if l10n is loaded
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"localize",
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# TODO: check if tz is loaded
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"localtime",
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"timezone",
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]
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SIMPLE_TAGS = [
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"csrf_token",
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"cycle",
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"debug",
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"extends",
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"firstof",
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"include",
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"load",
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"lorem",
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"now",
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"regroup",
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"resetcycle",
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"templatetag",
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"url",
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"widthratio",
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# TODO: check if statis is loaded
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"static",
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# TODO: check if i18n is loaded
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"translate",
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# TODO: Hack to make empy and else work, should check if inside if or for
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"empty",
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"else",
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]
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FILTERS = [
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"add",
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"addslashes",
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"capfirst",
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"center",
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"cut",
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"date",
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"default",
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"default_if_none",
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"dictsort",
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"dictsortreversed",
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"divisibleby",
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"escape",
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"escapejs",
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"escapeseq",
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"filesizeformat",
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"first",
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"floatformat",
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"force_escape",
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"get_digit",
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"iriencode",
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"join",
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"json_script",
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"last",
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"length",
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"length_is",
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"linebreaks",
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"linebreaksbr",
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"linenumbers",
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"ljust",
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"lower",
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"make_list",
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"phone2numeric",
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"pluralize",
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"pprint",
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"random",
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"rjust",
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"safe",
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"safeseq",
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"slice",
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"slugify",
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"stringformat",
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"striptags",
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"time",
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"timesince",
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"timeuntil",
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"title",
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"truncatechars",
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"truncatechars_html",
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"truncatewords",
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"truncatewords_html",
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"unordered_list",
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"upper",
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"urlencode",
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"urlize",
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"urlizetrunc",
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"wordcount",
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"wordwrap",
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"yesno",
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# TODO: check if l10n is loaded
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"localize",
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"unlocalize",
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# TODO: check if tz is loaded
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"localtime",
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"utc",
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"timezone",
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]
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re_tag = re.compile(r"^.*{% ?(\w*)$")
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re_end_tag = re.compile(r"^.*{% ?(e\w*)$")
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re_filter = re.compile(r"^.*({%|{{) ?[\w \.\|]*\|(\w*)$")
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def get_completions(line_fragment):
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# TODO: Maybe replace logic with tree-sitter
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if match := re_filter.match(line_fragment):
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search = match.group(2).lower()
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for filter_name in FILTERS:
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if filter_name.startswith(search):
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yield filter_name
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elif match := re_end_tag.match(line_fragment):
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# TODO only show end tags for open/used tags
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search = match.group(1).lower()
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for tag in TAGS:
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end_tag = f"end{tag}"
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if end_tag.startswith(search):
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yield end_tag
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elif match := re_tag.match(line_fragment):
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search = match.group(1)
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for tag in TAGS + SIMPLE_TAGS:
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if tag.startswith(search):
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yield tag

‎djlsp/server.py‎

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from lsprotocol.types import (TEXT_DOCUMENT_COMPLETION,
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TEXT_DOCUMENT_DID_CHANGE, CompletionItem,
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CompletionList, CompletionOptions,
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CompletionParams, DidChangeTextDocumentParams)
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from pygls.server import LanguageServer
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from djlsp import __version__
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from djlsp.completion import get_completions
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server = LanguageServer("django-template-lsp", __version__)
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@server.feature(
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TEXT_DOCUMENT_COMPLETION, CompletionOptions(trigger_characters=[" ", "|"])
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)
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def completions(params: CompletionParams):
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items = []
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document = server.workspace.get_document(params.text_document.uri)
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line_fragment = document.lines[params.position.line][: params.position.character]
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for completion in get_completions(line_fragment):
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items.append(CompletionItem(label=completion))
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return CompletionList(is_incomplete=False, items=items)

‎setup.py‎

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import os
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from setuptools import Command, find_packages, setup
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from djlsp import __version__
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def readme():
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with open("README.md") as f:
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return f.read()
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setup(
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name="django-template-lsp",
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version=__version__,
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description="Django template LSP",
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long_description=readme(),
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long_description_content_type="text/markdown",
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packages=find_packages(include=["djlsp", "djlsp.*"]),
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entry_points={
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"console_scripts": [
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"djlsp = djlsp.cli:main",
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"django-template-lsp = djlsp.cli:main",
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]
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},
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python_requires=">= 3.9",
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install_requires=[
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"pygls",
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],
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extras_require={
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"dev": [
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"black",
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"isort",
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"flake8",
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"pytest",
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"pytest-check",
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"pytest-cov",
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]
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},
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)

‎text.html‎

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{% if asdsad|
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asdssd
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asdsda asdds
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{%}
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{% ifchanged }
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{% e}
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{% blocktranslate %}
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:

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