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Code Issues 3 Packages Projects Releases Wiki Activity

improved version of local package resolving

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This commit is contained in:
adeadfed 2023-03-29 00:17:49 +02:00
parent 3f5964fcb9
commit 6cd9925a31
1 changed files with 50 additions and 27 deletions
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73
pipreqs/pipreqs.py
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@ -195,7 +195,7 @@ def get_imports_info(
def get_locally_installed_packages(encoding=None):
packages = {}
packages = []
ignore = ["tests", "_tests", "egg", "EGG", "info"]
for path in sys.path:
for root, dirs, files in os.walk(path):
@ -205,22 +205,31 @@ def get_locally_installed_packages(encoding=None):
with open(item, "r", encoding=encoding) as f:
package = root.split(os.sep)[-1].split("-")
try:
package_import = f.read().strip().split("\n")
top_level_modules = f.read().strip().split("\n")
except: # NOQA
# TODO: What errors do we intend to suppress here?
continue
for i_item in package_import:
if ((i_item not in ignore) and
(package[0] not in ignore)):
version = None
if len(package) > 1:
version = package[1].replace(
".dist", "").replace(".egg", "")
packages[i_item] = {
'version': version,
'name': package[0]
}
# filter off explicitly ignored top-level modules, such as test, egg, etc.
filtered_top_level_modules = list()
for module in top_level_modules:
if ((module not in ignore) and
(package[0] not in ignore)):
# append valid exported top level modules to the final list
filtered_top_level_modules.append(module)
version = None
if len(package) > 1:
version = package[1].replace(
".dist", "").replace(".egg", "")
# append package: top_level_modules pairs instead of top_level_module: package pairs
packages.append({
'name': package[0],
'version': version,
'exports': filtered_top_level_modules
})
return packages
@ -228,17 +237,24 @@ def get_import_local(imports, encoding=None):
local = get_locally_installed_packages()
result = []
for item in imports:
if item.lower() in local:
# append to result a matching package, as well as its exported modules
result.append(dict(**local[item.lower()], exports=item.lower()))
# search through local packages
for package in local:
# if candidate import name matches export name inside the package exports
# or candidate import name equals to the package name
# append it to the result
if item in package['exports'] or item == package['name']:
result.append(package)
# sanity check:
# imo we should no longer need the functionality to remove the duplicates
# TODO: recheck this
# it is possible that the pipreqs will write two packages, using same exported name again (!)
# we should log about this in case this happens
# removing duplicates of package/version
result_unique = [
dict(t)
for t in set([
tuple(d.items()) for d in result
])
]
# had to use second method instead of the first, listed here, because we have a list in the 'exports' field
# https://stackoverflow.com/questions/9427163/remove-duplicate-dict-in-list-in-python
result_unique = [i for n, i in enumerate(result) if i not in result[n + 1:]]
return result_unique
@ -445,10 +461,17 @@ def init(args):
logging.debug("Getting packages information from Local/PyPI")
local = get_import_local(candidates, encoding=encoding)
# Get packages that were not found locally
# check if candidate name is found in the list of exported modules, installed locally
# and the package name is not in the list of local module names
# it add to difference
difference = [x for x in candidates
# check if candidate name is found in the list of exported modules, installed locally
if x.lower() not in [y['exports'] for y in local]]
if
# aggregate all export lists into one
# flatten the list
x.lower() not in [y for x in local for y in x['exports']]
and
x.lower() not in [x['name'] for x in local]
]
imports = local + get_imports_info(difference,
proxy=proxy,