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Break up importing logic in methods

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This commit is contained in:
boukeversteegh 2020-06-08 08:26:25 +02:00
parent fdf3b2e764
commit c00e2aef19
1 changed files with 38 additions and 28 deletions
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28
betterproto/compile/importing.py
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@ -64,12 +64,23 @@ def get_ref_type(
imports.add(f"import {string_import} as {string_alias}")
return f"{string_alias}.{py_type}"
current_package: List[str] = package.split(".") if package else []
py_package: List[str] = source_package.split(".") if source_package else []
py_type: str = pythonize_class_name(source_type)
current_package: List[str] = package.split(".") if package else []
if py_package == current_package:
return import_sibling(py_type)
# importing sibling
if py_package[0 : len(current_package)] == current_package:
return import_descendent(current_package, imports, py_package, py_type)
if current_package[0 : len(py_package)] == py_package:
return import_ancestor(current_package, imports, py_package, py_type)
return import_cousin(current_package, imports, py_package, py_type)
def import_sibling(py_type):
"""
package =
name = Foo
@ -80,10 +91,10 @@ def get_ref_type(
package = foo.bar
name = foo.bar.Baz
"""
if py_package == current_package:
return f'"{py_type}"'
# importing child & descendent:
def import_descendent(current_package, imports, py_package, py_type):
"""
package =
name = foo.Bar
@ -91,11 +102,9 @@ def get_ref_type(
package =
name = foo.bar.Baz
"""
if py_package[0 : len(current_package)] == current_package:
importing_descendent = py_package[len(current_package) :]
string_from = ".".join(importing_descendent[0:-1])
string_import = importing_descendent[-1]
if string_from:
string_alias = "_".join(importing_descendent)
imports.add(f"from .{string_from} import {string_import} as {string_alias}")
@ -104,7 +113,8 @@ def get_ref_type(
imports.add(f"from . import {string_import}")
return f"{string_import}.{py_type}"
# importing parent & ancestor
def import_ancestor(current_package, imports, py_package, py_type):
"""
package = foo.bar
name = foo.Foo
@ -115,12 +125,12 @@ def get_ref_type(
package = foo.bar.baz
name = Bar
"""
if current_package[0 : len(py_package)] == py_package:
distance_up = len(current_package) - len(py_package)
imports.add(f"from .{'.' * distance_up} import {py_type}")
return py_type
# importing unrelated or cousin
def import_cousin(current_package, imports, py_package, py_type):
"""
package = foo.bar
name = baz.Foo