75 lines
1.6 KiB
Python
75 lines
1.6 KiB
Python
import re
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import portage
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import json
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import urllib.request, urllib.error, urllib.parse
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from euscan import helpers, output, mangling
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HANDLER_NAME = "rubygems"
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CONFIDENCE = 100
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PRIORITY = 90
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def can_handle(pkg, url=None):
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return url and url.startswith("mirror://rubygems/")
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def guess_gem(cpv, url):
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match = re.search("mirror://rubygems/(.*).gem", url)
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if match:
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cpv = "fake/%s" % match.group(1)
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ret = portage.pkgsplit(cpv)
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if not ret:
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return None
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cp, ver, rev = ret
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cat, pkg = cp.split("/")
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return pkg
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def scan_url(pkg, url, options):
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"http://guides.rubygems.org/rubygems-org-api/#gemversion"
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gem = guess_gem(pkg.cpv, url)
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if not gem:
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output.eerror("Can't guess gem name using %s and %s" % (pkg.cpv, url))
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return []
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output.einfo("Using RubyGem API: %s" % gem)
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return scan_pkg(pkg, {"data": gem})
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def scan_pkg(pkg, options):
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gem = options["data"]
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url = "http://rubygems.org/api/v1/versions/%s.json" % gem
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try:
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fp = helpers.urlopen(url)
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except urllib.error.URLError:
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return []
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except IOError:
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return []
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if not fp:
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return []
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data = fp.read()
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versions = json.loads(data)
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cp, ver, rev = portage.pkgsplit(pkg.cpv)
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ret = []
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for version in versions:
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up_pv = version["number"]
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pv = mangling.mangle_version(up_pv, options)
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if helpers.version_filtered(cp, ver, pv):
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continue
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url = "http://rubygems.org/gems/%s-%s.gem" % (gem, up_pv)
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url = mangling.mangle_url(url, options)
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ret.append((url, pv, HANDLER_NAME, CONFIDENCE))
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return ret
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