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from __future__ import print_function
import sys
import logging
from importer_base import ImportExtension
PYPI_URL = 'http://pypi.python.org/pypi'
# TODO: I'm guessing these things are probably standard somewhere
def warn(*args, **kwargs):
print('%s:' % sys.argv[0], *args, file=sys.stderr, **kwargs)
def error(*args, **kwargs):
warn(*args, **kwargs)
sys.exit(1)
def specs_satisfied(version, specs):
def mapping_error(op):
# We parse ops with requirements-parser, so any invalid user input
# should be detected there. This really guards against
# the pip developers adding some new operation to a requirement.
error("Invalid op in spec: %s" % op)
opmap = {'==' : lambda x, y: x == y, '!=' : lambda x, y: x != y,
'<=' : lambda x, y: x <= y, '>=' : lambda x, y: x >= y,
'<': lambda x, y: x < y, '>' : lambda x, y: x > y}
def get_op_func(op):
return opmap[op] if op in opmap else lambda x, y: mapping_error(op)
return all([get_op_func(op)(version, sv) for (op, sv) in specs])
def name_or_closest(client, package_name):
'''Obtain a list of releases for a given package,
packages on pypi are case insensitive, so we need this hack
to obtain a release when our input package name doesn't
case-sensitively match the package name used on pypi'''
# TODO: update above comment
results = client.package_releases(package_name)
if len(results) > 0:
logging.debug('Found package %s' % package_name)
return package_name
logging.debug("Couldn't find exact match for %s,"
"searching for a similar match" % package_name)
results = client.search({'name': package_name})
logging.debug("Got the following similarly named packages '%s': %s"
% (package_name, str([(result['name'], result['version'])
for result in results])))
logging.debug('Filtering for exact case-insensitive matches')
results = [result for result in results
if result['name'].lower() == package_name.lower()]
logging.debug('Filtered results: %s' % results)
return results[0]['name'] if len(results) > 0 else None
def find_releases(client, package_name):
logging.debug('Finding releases for %s' % package_name)
results = client.package_releases(package_name)
if len(results) > 0:
logging.debug('Found package %s' % package_name)
return results
logging.debug("Couldn't find exact match for %s,"
"searching for a similar match" % package_name)
results = client.search({'name': package_name})
logging.debug("Got the following similarly named packages '%s': %s"
% (package_name, str([(result['name'], result['version'])
for result in results])))
logging.debug('Filtering for exact case-insensitive matches')
results = [result for result in results
if result['name'].lower() == package_name.lower()]
logging.debug('Filtered results: %s' % results)
return (client.package_releases(results[0]['name'])
if len(results) > 0 else [])
# We subclass the ImportExtension to setup the logger,
# so that we can send logs to the import tool's log (morph's log in fact)
class PythonExtension(ImportExtension):
def __init__(self):
super(PythonExtension, self).__init__()
def process_args(self, _):
import __main__
__main__.main()
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