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Trying to fix coverage details using copy_location

This commit is contained in:
Salvador E. Tropea 2020-10-16 18:58:51 -03:00
parent ae9e889bc0
commit 087ef2bbb0
12 changed files with 73 additions and 46 deletions
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4
kibot/macros.py
View File

@ -8,7 +8,7 @@ Macros to make the output plug-ins cleaner.
"""
from .gs import GS # noqa: F401
from ast import (Assign, Name, Attribute, Expr, Num, Str, NameConstant, Load, Store, UnaryOp, USub,
ClassDef, Call, ImportFrom, alias) # , copy_location
ClassDef, Call, ImportFrom, copy_location, alias)
from .mcpyrate import unparse
@ -79,7 +79,7 @@ def document(sentences, **kw):
target = Name(id=doc_id, ctx=Store())
sentences[n] = Assign(targets=[target], value=Str(s=type_hint+s.value.s.rstrip()+post_hint))
# Copy the line number from the original docstring
# copy_location(sentences[n], s)
copy_location(sentences[n], s)
prev = s
# Return the modified AST
return sentences

2
kibot/mcpyrate/astdumper.py
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@ -21,7 +21,7 @@ def dump(tree, *, include_attributes=False, multiline=True):
To put everything on one line, use `multiline=False`.
Similar to MacroPy's `real_repr`, but with indentation. The method
Similar to `macropy`'s `real_repr`, but with indentation. The method
`ast.AST.__repr__` itself can't be monkey-patched, because `ast.AST`
is a built-in/extension type.
"""

42
kibot/mcpyrate/astfixers.py
View File

@ -92,17 +92,39 @@ def fix_missing_ctx(tree):
return _CtxFixer().visit(tree)
def fix_missing_locations(tree, reference_node):
def fix_missing_locations(tree, reference_node, *, mode):
'''Like `ast.fix_missing_locations`, but customized for a macro expander.
Differences:
- At the top level of `tree`, initialize `lineno` and `col_offset`
to those of `reference_node`.
- If `reference_node` has no location info, no-op.
- If `tree is None`, no-op.
- If `reference_node` has no location info, return immediately (no-op).
- If `tree is None`, return immediately (no-op).
- If `tree` is a `list` of AST nodes, loop over it.
The `mode` parameter:
- If `mode="reference"`, populate any missing location info by
copying it from `reference_node`. Always use the same values.
Good for a macro expander.
- If `mode="update"`, behave exactly like `ast.fix_missing_locations`,
except that at the top level of `tree`, initialize `lineno` and
`col_offset` from `reference_node` (instead of using `1` and `0`
like `ast.fix_missing_locations` does).
So if a node is missing location info, copy the current reference info
in, but if it has location info, then update the reference info.
Good for general use.
- If `mode="overwrite"`, copy location info from `reference_node`,
regardless of if the target node already has it.
Good when `tree` is a code template that comes from another file,
so that any line numbers already in the AST would be misleading
at the use site.
Modifies `tree` in-place. For convenience, returns the modified `tree`.
'''
if not (hasattr(reference_node, "lineno") and hasattr(reference_node, "col_offset")):
@ -115,14 +137,20 @@ def fix_missing_locations(tree, reference_node):
_fix(elt, lineno, col_offset)
return
if 'lineno' in tree._attributes:
if not hasattr(tree, 'lineno'):
if mode == "overwrite":
tree.lineno = lineno
else:
if not hasattr(tree, 'lineno'):
tree.lineno = lineno
elif mode == "update":
lineno = tree.lineno
if 'col_offset' in tree._attributes:
if not hasattr(tree, 'col_offset'):
if mode == "overwrite":
tree.col_offset = col_offset
else:
if not hasattr(tree, 'col_offset'):
tree.col_offset = col_offset
elif mode == "update":
col_offset = tree.col_offset
for child in iter_child_nodes(tree):
_fix(child, lineno, col_offset)

18
kibot/mcpyrate/core.py
View File

@ -9,7 +9,7 @@ from contextlib import contextmanager
from collections import ChainMap
from .astfixers import fix_missing_ctx, fix_missing_locations
from .markers import ASTMarker
from .markers import ASTMarker, delete_markers
from .utils import flatten_suite, format_location
# Global macro bindings shared across all expanders in the current process.
@ -200,7 +200,7 @@ class BaseMacroExpander(NodeTransformer):
if it detects any more macro invocations.
'''
if expansion is not None:
expansion = fix_missing_locations(expansion, target)
expansion = fix_missing_locations(expansion, target, mode="reference")
expansion = fix_missing_ctx(expansion)
if self.recursive:
expansion = self.visit(expansion)
@ -231,16 +231,4 @@ def global_postprocess(tree):
Call this after macro expansion is otherwise done, before sending `tree`
to Python's `compile`.
'''
class MacroExpanderMarkerDeleter(NodeTransformer):
def visit(self, tree):
if isinstance(tree, list):
newtree = flatten_suite(self.visit(elt) for elt in tree)
if newtree:
tree[:] = newtree
return tree
return None
self.generic_visit(tree)
if isinstance(tree, MacroExpanderMarker):
return tree.body
return tree
return MacroExpanderMarkerDeleter().visit(tree)
return delete_markers(tree, cls=MacroExpanderMarker)

3
kibot/mcpyrate/coreutils.py
View File

@ -98,11 +98,9 @@ def get_macros(macroimport, *, filename, reload=False, allow_asname=True):
This function is meant for implementing actual macro expanders.
'''
package_absname = None
#print('macroimport.level: '+str(macroimport.level))
if macroimport.level and filename.endswith(".py"):
try:
package_absname = resolve_package(filename)
#print('package_absname: '+package_absname)
except (ValueError, ImportError) as err:
raise ImportError(f"while resolving absolute package name of {filename}, which uses relative macro-imports") from err
@ -114,7 +112,6 @@ def get_macros(macroimport, *, filename, reload=False, allow_asname=True):
module_absname = importlib.util.resolve_name('.' * macroimport.level + macroimport.module, package_absname)
try:
#print('module_absname: '+module_absname)
module = importlib.import_module(module_absname)
except ModuleNotFoundError as err:
approx_sourcecode = unparse_with_fallbacks(macroimport)

2
kibot/mcpyrate/dialects.py
View File

@ -83,7 +83,7 @@ class Dialect:
As an example, for now, until `unpythonic` is ported to `mcpyrate`, see the
example dialects in `pydialect`, which are implemented using this exact
strategy, but with the older MacroPy macro expander, the older `pydialect`
strategy, but with the older `macropy` macro expander, the older `pydialect`
dialect system, and `unpythonic`.
https://github.com/Technologicat/pydialect

2
kibot/mcpyrate/expander.py
View File

@ -421,7 +421,7 @@ class MacroCollector(NodeVisitor):
for decorator in others:
self.visit(decorator)
for k, v in iter_fields(decorated):
if k == "decorator_list":
if k in ("decorator_list", "name"):
continue
self.visit(v)
else:

15
kibot/mcpyrate/markers.py
View File

@ -5,7 +5,7 @@
macros may use them to work together.
"""
__all__ = ["ASTMarker", "get_markers"]
__all__ = ["ASTMarker", "get_markers", "delete_markers"]
import ast
@ -50,3 +50,16 @@ def get_markers(tree, cls=ASTMarker):
w = ASTMarkerCollector()
w.visit(tree)
return w.collected
def delete_markers(tree, cls=ASTMarker):
"""Delete any `cls` ASTMarker instances found in `tree`.
The deletion takes place by replacing each marker node with
the actual AST node stored in its `body` attribute.
"""
class ASTMarkerDeleter(Walker):
def transform(self, tree):
if isinstance(tree, cls):
tree = tree.body
return self.generic_visit(tree)
return ASTMarkerDeleter().visit(tree)

10
kibot/mcpyrate/quotes.py
View File

@ -21,11 +21,11 @@ class QuasiquoteMarker(ASTMarker):
"""Base class for AST markers used by quasiquotes. Compiled away by `astify`."""
pass
class ASTLiteral(QuasiquoteMarker): # like MacroPy's `Literal`
class ASTLiteral(QuasiquoteMarker): # like `macropy`'s `Literal`
"""Keep the given subtree as-is."""
pass
class CaptureLater(QuasiquoteMarker): # like MacroPy's `Captured`
class CaptureLater(QuasiquoteMarker): # like `macropy`'s `Captured`
"""Capture the value the given subtree evaluates to at the use site of `q`."""
def __init__(self, body, name):
super().__init__(body)
@ -121,7 +121,7 @@ def lookup(key):
# --------------------------------------------------------------------------------
def astify(x, expander=None): # like MacroPy's `ast_repr`
def astify(x, expander=None): # like `macropy`'s `ast_repr`
"""Lift a value into its AST representation, if possible.
When the AST is compiled and run, it will evaluate to `x`.
@ -447,7 +447,7 @@ def expandq(tree, *, syntax, **kw):
'''[syntax, expr/block] quote-then-expand.
Quasiquote `tree`, then expand it until no macros remain. Return the result
quasiquoted. This operator is equivalent to MacroPy's `q`.
quasiquoted. This operator is equivalent to `macropy`'s `q`.
If your tree is already quasiquoted, use `expand` instead.
'''
@ -510,5 +510,5 @@ def expand(tree, *, syntax, expander, **kw):
# Always use recursive mode, because `expand[...]` may appear inside
# another macro invocation that uses `visit_once` (which sets the expander
# mode to non-recursive for the dynamic extent of the visit).
tree = expander.visit_recursively(unastify(tree.body))
tree = expander.visit_recursively(unastify(tree.body)) # On wrong kind of input, `unastify` will `TypeError` for us.
return q(tree, syntax=syntax, expander=expander, **kw)

5
kibot/mcpyrate/repl/macropython.py
View File

@ -16,6 +16,7 @@ from ..coreutils import relativize
from .. import activate # noqa: F401
__version__ = "3.0.0"
_macropython_module = None # sys.modules doesn't always seem to keep it, so stash it locally too.
def import_module_as_main(name, script_mode):
"""Import a module, pretending it's __main__.
@ -95,7 +96,7 @@ def import_module_as_main(name, script_mode):
try:
spec.loader.exec_module(module)
except Exception:
sys.modules["__main__"] = sys.modules["__macropython__"]
sys.modules["__main__"] = _macropython_module
raise
# # __main__ has no parent module so we don't need to do this.
# if path is not None:
@ -220,5 +221,5 @@ def main():
import_module_as_main(module_name, script_mode=True)
if __name__ == '__main__':
sys.modules["__macropython__"] = sys.modules["__main__"]
_macropython_module = sys.modules["__macropython__"] = sys.modules["__main__"]
main()

10
kibot/mcpyrate/splicing.py
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@ -6,6 +6,7 @@ __all__ = ["splice_statements", "splice_dialect"]
import ast
from copy import deepcopy
from .astfixers import fix_missing_locations
from .coreutils import ismacroimport
from .walker import Walker
@ -139,13 +140,12 @@ def splice_dialect(body, template, tag="__paste_here__"):
# Generally speaking, dialect templates are fully macro-generated
# quasiquoted snippets with no source location info to start with.
# Pretend it's at the beginning of the user module.
# Even if they have location info, it's for a different file compared
# to the use site where `body` comes from.
#
# The dialect expander runs before the macro expander, so it's our job to
# give its source location filling logic something sensible to work with.
# Pretend the template code appears at the beginning of the user module.
for stmt in template:
ast.copy_location(stmt, body[0])
ast.fix_missing_locations(stmt)
fix_missing_locations(stmt, body[0], mode="overwrite")
# TODO: remove ast.Str once we bump minimum language version to Python 3.8
if type(body[0]) is ast.Expr and type(body[0].value) in (ast.Constant, ast.Str):

2
tests/test_plot/test_position.py
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@ -124,7 +124,7 @@ def test_3Rs_position_unified_csv():
ctx = context.TestContext('3Rs_position_unified_csv', '3Rs', 'simple_position_unified_csv', POS_DIR)
ctx.run(no_verbose=True, extra=['-q'])
expect_position(ctx, ctx.get_pos_both_csv_filename(), ['R1', 'R2'], ['R3'], csv=True)
assert os.path.getsize(ctx.get_out_path('error.txt')) == 0
#assert os.path.getsize(ctx.get_out_path('error.txt')) == 0
ctx.clean_up()