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Handle PEP-496 Environment Markers #246

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Handle PEP-496 Environment Markers #246

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20 changes: 19 additions & 1 deletion pip/flatpak-pip-generator
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ import subprocess
import sys
import tempfile
import urllib.request
import platform

from collections import OrderedDict

Expand Down Expand Up @@ -44,6 +45,21 @@ parser.add_argument('--runtime',
opts = parser.parse_args()


def format_full_version(info):
version = '{0.major}.{0.minor}.{0.micro}'.format(info)
kind = info.releaselevel
if kind != 'final':
version += kind[0] + str(info.serial)
return version

ENV = {
"sys_platform": sys.platform,
"python_version": platform.python_version()[:3],
"python_full_version": format_full_version(sys.version_info),
"implementation_version": format_full_version(sys.implementation.version)
}


def get_pypi_url(name: str, filename: str) -> str:
url = 'https://pypi.org/pypi/{}/json'.format(name)
print('Extracting download url for', name)
Expand Down Expand Up @@ -298,7 +314,9 @@ system_packages = ['cython', 'easy_install', 'mako', 'markdown', 'meson', 'pip',

fprint('Generating dependencies')
for package in packages:

parts = package.line.split(";")
if len(parts) == 2 and not eval(parts[1].strip(), ENV, ENV):
continue
if package.name is None:
print('Warning: skipping invalid requirement specification {} because it is missing a name'.format(package.line), file=sys.stderr)
print('Append #egg=<pkgname> to the end of the requirement line to fix', file=sys.stderr)
Expand Down