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import collections
from typing import List, Optional, Mapping, Any, Callable, Sequence
import pytest
from debputy.filesystem_scan import VirtualPathBase
from debputy.linting.lint_util import (
LinterPositionCodec,
LintStateImpl,
LintState,
)
from debputy.lsp.style_prefs import StylePreferenceTable, EffectivePreference
from debputy.packages import DctrlParser
from debputy.plugin.api.feature_set import PluginProvidedFeatureSet
from debputy.lsprotocol.types import Diagnostic, DiagnosticSeverity, Range
try:
from Levenshtein import distance
HAS_LEVENSHTEIN = True
except ImportError:
HAS_LEVENSHTEIN = False
LINTER_POSITION_CODEC = LinterPositionCodec()
class LintWrapper:
def __init__(
self,
path: str,
handler: Callable[[LintState], Optional[List[Diagnostic]]],
debputy_plugin_feature_set: PluginProvidedFeatureSet,
dctrl_parser: DctrlParser,
) -> None:
self._debputy_plugin_feature_set = debputy_plugin_feature_set
self._handler = handler
self.dctrl_lines: Optional[List[str]] = None
self.path = path
self._dctrl_parser = dctrl_parser
self.source_root: Optional[VirtualPathBase] = None
self.lint_style_preference_table = StylePreferenceTable({}, {})
self.effective_preference: Optional[EffectivePreference] = None
def __call__(self, lines: List[str]) -> Optional[List["Diagnostic"]]:
source_package = None
binary_packages = None
dctrl_lines = self.dctrl_lines
if dctrl_lines is not None:
_, source_package, binary_packages = (
self._dctrl_parser.parse_source_debian_control(
dctrl_lines, ignore_errors=True
)
)
source_root = self.source_root
debian_dir = source_root.get("debian") if source_root is not None else None
state = LintStateImpl(
self._debputy_plugin_feature_set,
self.lint_style_preference_table,
source_root,
debian_dir,
self.path,
"".join(dctrl_lines) if dctrl_lines is not None else "",
lines,
source_package,
binary_packages,
self.effective_preference,
)
return check_diagnostics(self._handler(state))
def requires_levenshtein(func: Any) -> Any:
return pytest.mark.skipif(
not HAS_LEVENSHTEIN, reason="Missing python3-levenshtein"
)(func)
def check_diagnostics(
diagnostics: Optional[List["Diagnostic"]],
) -> Optional[List["Diagnostic"]]:
if diagnostics:
for diagnostic in diagnostics:
assert diagnostic.severity is not None
assert diagnostic.source is not None
return diagnostics
def by_range_sort_key(diagnostic: Diagnostic) -> Any:
start_pos = diagnostic.range.start
end_pos = diagnostic.range.end
return start_pos.line, start_pos.character, end_pos.line, end_pos.character
def group_diagnostics_by_severity(
diagnostics: Optional[List["Diagnostic"]],
) -> Mapping["DiagnosticSeverity", List["Diagnostic"]]:
if not diagnostics:
return {}
by_severity = collections.defaultdict(list)
for diagnostic in sorted(diagnostics, key=by_range_sort_key):
severity = diagnostic.severity
assert severity is not None
by_severity[severity].append(diagnostic)
return by_severity
def diag_range_to_text(lines: Sequence[str], range_: "Range") -> str:
parts = []
for line_no in range(range_.start.line, range_.end.line + 1):
line = lines[line_no]
chunk = line
if line_no == range_.start.line and line_no == range_.end.line:
chunk = line[range_.start.character : range_.end.character]
elif line_no == range_.start.line:
chunk = line[range_.start.character :]
elif line_no == range_.end.line:
chunk = line[: range_.end.character]
parts.append(chunk)
return "".join(parts)
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