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import subprocess
import sys
from geopandas._compat import PANDAS_GE_10
def test_no_additional_imports():
# test that 'import geopandas' does not import any of the optional or
# development dependencies
blacklist = {
"pytest",
"py",
"ipython",
# 'matplotlib', # matplotlib gets imported by pandas, see below
"descartes",
"mapclassify",
# 'rtree', # rtree actually gets imported if installed
"sqlalchemy",
"psycopg2",
"geopy",
"geoalchemy2",
}
if PANDAS_GE_10:
# pandas > 0.25 stopped importing matplotlib by default
blacklist.add("matplotlib")
code = """
import sys
import geopandas
blacklist = {0!r}
mods = blacklist & set(m.split('.')[0] for m in sys.modules)
if mods:
sys.stderr.write('err: geopandas should not import: {{}}'.format(', '.join(mods)))
sys.exit(len(mods))
""".format(
blacklist
)
call = [sys.executable, "-c", code]
returncode = subprocess.run(call).returncode
assert returncode == 0
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