mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Alessandro Di Federico
291 lines
8.7 KiB
Python
291 lines
8.7 KiB
Python
#
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# This file is distributed under the MIT License. See LICENSE.md for details.
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#
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import json
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import os
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import re
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import shlex
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import subprocess
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import sys
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import textwrap
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from abc import ABC
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from pathlib import Path
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from tempfile import TemporaryDirectory
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from typing import Mapping
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import marko
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from revng.internal.cli.commands_registry import Command, CommandsRegistry, Options
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verbose = False
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def log(message):
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global verbose
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if verbose:
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sys.stderr.write(message + "\n")
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def run(working_directory, arguments):
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log(f"Running {shlex.join(arguments)}")
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process = subprocess.run(
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arguments, cwd=working_directory, stdout=subprocess.PIPE, stderr=subprocess.STDOUT
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)
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if process.returncode != 0:
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sys.stderr.write(f"The following program failed: {shlex.join(arguments)}\n")
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sys.stderr.flush()
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sys.stderr.buffer.write(process.stdout)
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sys.stderr.flush()
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sys.stderr.write(f"Process exited with code {process.returncode}\n")
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sys.stderr.write("Re-run with --verbose for further info\n")
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sys.exit(1)
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class Doctest(ABC):
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def run(self, working_directory):
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pass
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def process(self, code, extra=""):
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pass
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class PythonDoctest(Doctest):
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def __init__(self):
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self.script = ""
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def run(self, working_directory):
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if not self.script:
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return
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self.script = self.script.strip() + "\n"
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log(f"Running the following Python script:\n{textwrap.indent(self.script, ' ')}\n")
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script_path = working_directory / "run.py"
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script_path.write_text(self.script)
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run(
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working_directory,
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["python", "-c", "import doctest; import sys; doctest.testfile('run.py')"],
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)
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def process(self, code, extra=""):
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self.script += code + "\n"
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class BashDoctest(Doctest):
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def __init__(self):
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self.script = ""
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self.expected_output = ""
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def run(self, working_directory):
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if not self.script and not self.expected_output:
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return
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self.script = self.script.strip() + "\n"
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script_path = working_directory / "run.sh"
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script_path.write_text(self.script)
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self.expected_output = self.expected_output.strip() + "\n"
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expected_output_path = working_directory / "expected_output.log"
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expected_output_path.write_text(self.expected_output)
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log(f"Running the following bash script:\n{textwrap.indent(self.script, ' ')}\n")
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log(f"Expected output is:\n{textwrap.indent(self.expected_output, ' ')}\n")
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run(
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working_directory,
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[
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"bash",
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"-c",
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"bash -euo pipefail ./run.sh |& tee output.log"
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+ " && diff -Bwu output.log expected_output.log",
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],
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)
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def process(self, code, extra=""):
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next_line_is_command = False
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silent = "silent" in extra
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match = re.match('.*ignore="([^"]*)".*', extra)
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ignore_regexp = None
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if match:
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ignore_regexp = match.groups()[0]
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self.script += "( "
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if silent:
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self.script += "( "
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for line in code.split("\n"):
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if line.startswith("$ "):
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self.script += line[2:] + "\n"
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if line.endswith("\\"):
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next_line_is_command = True
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elif next_line_is_command:
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self.script += line + "\n"
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next_line_is_command = line.endswith("\\")
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else:
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if not ignore_regexp or not re.match(".*(" + ignore_regexp + ").*", line):
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self.expected_output += line + "\n"
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if silent:
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self.script += " ) >& /dev/null\n"
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if ignore_regexp:
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self.script += f" ) |& grep -vE '{ignore_regexp}'\n"
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def escape_js(string):
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assert type(string) is str
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return json.dumps(string)
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def emit_assertion(expected):
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return f"if (JSON.stringify(last) !== {escape_js(expected[:-1])})\n process.exit(1);\n"
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class TypeScriptDoctest(Doctest):
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def __init__(self):
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self.script = ""
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def run(self, working_directory):
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if not self.script:
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return
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self.script = self.script.strip() + "\n"
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log(f"Running the following TypeScript script:\n{textwrap.indent(self.script, ' ')}")
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script_path = working_directory / "run.ts"
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script_path.write_text(self.script)
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run(
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working_directory,
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[
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"bash",
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"-c",
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"""npm install typescript revng-model @types/node"
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+ " && ./node_modules/.bin/tsc run.ts"
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+ " && node run.js""",
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],
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)
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def process(self, code, extra=""):
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output = "console.log = (x) => { return x; };\nlet last;\n"
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last_output = ""
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lines = list(map(str.strip, code.split("\n")))[:-1]
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for line, next_line in zip(lines, lines[1:] + ["> "]):
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is_command = line.startswith("> ")
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next_is_command = next_line.startswith("> ")
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if is_command:
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if last_output:
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output += emit_assertion(last_output)
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last_output = ""
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line = line[2:]
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if next_is_command:
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output += f"{line}\n"
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else:
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output += f"last = {line}\n"
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else:
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last_output += line + "\n"
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if last_output:
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output += emit_assertion(last_output)
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return output
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def only(entries):
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assert len(entries) == 1
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return entries[0]
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def handle_file(path: Path):
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handler_types = {
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"python": PythonDoctest,
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"bash": BashDoctest,
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"typescript": TypeScriptDoctest,
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}
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handlers: Mapping[str, Doctest] = {
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language: constructor() for language, constructor in handler_types.items()
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}
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document = marko.parse(path.read_text())
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for block in document.children:
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if type(block) is not marko.block.FencedCode:
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continue
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block.lang = block.lang.strip("{").strip("}")
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block.extra = block.extra.strip("{").strip("}")
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if "notest" in block.extra:
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log(
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f"Ignoring fenced code of type {block.lang}"
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+ f' due to `notest` in "{block.extra}"'
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)
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continue
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if "noorchestra" in block.extra:
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log(f'Disabling orchestra environment due to `noorchestra` in "{block.extra}"')
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handlers["bash"].process(
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"$ unset ORCHESTRA_DOTDIR;"
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+ " unset ORCHESTRA_ROOT;"
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+ " unset ORCHESTRA_NODE_CACHE;"
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+ " export ORCHESTRA_DOTDIR ORCHESTRA_ROOT ORCHESTRA_NODE_CACHE;"
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)
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rawtext = only(block.children)
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assert type(rawtext) is marko.inline.RawText
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text = rawtext.children
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assert type(text) is str
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match = re.match(r"title=([^ ]*\.[^ ]*)", block.extra)
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if match:
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append_to = match.groups()[0]
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log(f"Appending to {append_to}")
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if text.endswith("\n"):
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text = text[:-1]
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for line in text.split("\n"):
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handlers["bash"].process("$ echo " + shlex.quote(line) + " >> " + append_to)
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elif block.lang == "diff":
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log("Applying diff")
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handlers["bash"].process("""$ rm -f patch.patch""")
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for line in text.split("\n"):
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handlers["bash"].process("$ echo " + shlex.quote(line) + " >> patch.patch")
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handlers["bash"].process("""$ patch --quiet -p1 < patch.patch""")
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handlers["bash"].process("""$ rm patch.patch""")
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elif block.lang in handlers:
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log(f"Handling {block.lang} snippet")
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handlers[block.lang].process(text, block.extra)
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for language, handler in handlers.items():
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with TemporaryDirectory(
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prefix=f"revng-docs-test-{language}-{os.path.basename(path)}-"
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) as temporary_directory:
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handler.run(Path(temporary_directory))
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class TestDocsCommand(Command):
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def __init__(self):
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super().__init__(("test-docs",), "Test mkdocs files")
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def register_arguments(self, parser):
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parser.add_argument("files", metavar="FILE", nargs="+", help="files to test.")
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parser.add_argument("--verbose", action="store_true", help="enable verbose output.")
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def run(self, options: Options):
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args = options.parsed_args
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global verbose
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verbose = args.verbose
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for path in args.files:
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handle_file(Path(path))
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def setup(commands_registry: CommandsRegistry):
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commands_registry.register_command(TestDocsCommand())
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