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Fix Pip-18 Incompatibilities #44

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Fix Pip-18 Incompatibilities #44

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15 changes: 11 additions & 4 deletions important/parse.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,12 @@

import pip

from pip.commands.show import search_packages_info
from pip.req import parse_requirements as pip_parse_requirements
try:
from pip.commands.show import search_packages_info
from pip.req import parse_requirements as pip_parse_requirements
except ImportError:
from pip._internal.commands.show import search_packages_info
from pip._internal.req import parse_requirements as pip_parse_requirements


RE_SHEBANG = re.compile('^#![^\n]*python[0-9]?$')
Expand Down Expand Up @@ -117,8 +121,11 @@ def parse_dir_imports(current_directory, exclusions=None):


def parse_requirements(filename):
requirements = pip_parse_requirements(filename,
session=pip.download.PipSession())
try:
pip_session = pip.download.PipSession()
except AttributeError:
pip_session = pip._internal.download.PipSession()
requirements = pip_parse_requirements(filename, session=pip_session)
for requirement in requirements:
if not requirement.name:
raise ValueError(
Expand Down