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Diffstat (limited to 'cgi/geoip.py')
| -rw-r--r-- | cgi/geoip.py | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/cgi/geoip.py b/cgi/geoip.py deleted file mode 100644 index 36c25d1..0000000 --- a/cgi/geoip.py +++ /dev/null @@ -1,133 +0,0 @@ -"""Python API that wraps GeoIP country database lookup into a simple function. - -Download the latest MaxMind GeoIP country database and read other docs here: - http://www.maxmind.com/app/geolitecountry - -Copyright (C) 2009 Ben Hoyt, released under the Lesser General Public License: - http://www.gnu.org/licenses/lgpl.txt - -Usage examples: - ->>> country('64.233.161.99') -'US' ->>> country('202.21.128.102') -'NZ' ->>> country('asdf') -'' ->>> country('127.0.0.1') -'' -""" - -# List of country codes (indexed by GeoIP country ID number) -countries = ( - '', 'AP', 'EU', 'AD', 'AE', 'AF', 'AG', 'AI', 'AL', 'AM', 'AN', 'AO', 'AQ', - 'AR', 'AS', 'AT', 'AU', 'AW', 'AZ', 'BA', 'BB', 'BD', 'BE', 'BF', 'BG', 'BH', - 'BI', 'BJ', 'BM', 'BN', 'BO', 'BR', 'BS', 'BT', 'BV', 'BW', 'BY', 'BZ', 'CA', - 'CC', 'CD', 'CF', 'CG', 'CH', 'CI', 'CK', 'CL', 'CM', 'CN', 'CO', 'CR', 'CU', - 'CV', 'CX', 'CY', 'CZ', 'DE', 'DJ', 'DK', 'DM', 'DO', 'DZ', 'EC', 'EE', 'EG', - 'EH', 'ER', 'ES', 'ET', 'FI', 'FJ', 'FK', 'FM', 'FO', 'FR', 'FX', 'GA', 'GB', - 'GD', 'GE', 'GF', 'GH', 'GI', 'GL', 'GM', 'GN', 'GP', 'GQ', 'GR', 'GS', 'GT', - 'GU', 'GW', 'GY', 'HK', 'HM', 'HN', 'HR', 'HT', 'HU', 'ID', 'IE', 'IL', 'IN', - 'IO', 'IQ', 'IR', 'IS', 'IT', 'JM', 'JO', 'JP', 'KE', 'KG', 'KH', 'KI', 'KM', - 'KN', 'KP', 'KR', 'KW', 'KY', 'KZ', 'LA', 'LB', 'LC', 'LI', 'LK', 'LR', 'LS', - 'LT', 'LU', 'LV', 'LY', 'MA', 'MC', 'MD', 'MG', 'MH', 'MK', 'ML', 'MM', 'MN', - 'MO', 'MP', 'MQ', 'MR', 'MS', 'MT', 'MU', 'MV', 'MW', 'MX', 'MY', 'MZ', 'NA', - 'NC', 'NE', 'NF', 'NG', 'NI', 'NL', 'NO', 'NP', 'NR', 'NU', 'NZ', 'OM', 'PA', - 'PE', 'PF', 'PG', 'PH', 'PK', 'PL', 'PM', 'PN', 'PR', 'PS', 'PT', 'PW', 'PY', - 'QA', 'RE', 'RO', 'RU', 'RW', 'SA', 'SB', 'SC', 'SD', 'SE', 'SG', 'SH', 'SI', - 'SJ', 'SK', 'SL', 'SM', 'SN', 'SO', 'SR', 'ST', 'SV', 'SY', 'SZ', 'TC', 'TD', - 'TF', 'TG', 'TH', 'TJ', 'TK', 'TM', 'TN', 'TO', 'TL', 'TR', 'TT', 'TV', 'TW', - 'TZ', 'UA', 'UG', 'UM', 'US', 'UY', 'UZ', 'VA', 'VC', 'VE', 'VG', 'VI', 'VN', - 'VU', 'WF', 'WS', 'YE', 'YT', 'RS', 'ZA', 'ZM', 'ME', 'ZW', 'A1', 'A2', 'O1', - 'AX', 'GG', 'IM', 'JE', 'BL', 'MF') - - -def iptonum(ip): - """Convert IP address string to 32-bit integer, or return None if IP is bad. - - >>> iptonum('0.0.0.0') - 0 - >>> hex(iptonum('127.0.0.1')) - '0x7f000001' - >>> hex(iptonum('255.255.255.255')) - '0xffffffffL' - >>> iptonum('127.0.0.256') - >>> iptonum('1.2.3') - >>> iptonum('a.s.d.f') - >>> iptonum('1.2.3.-4') - >>> iptonum('') - """ - segments = ip.split('.') - if len(segments) != 4: - return None - num = 0 - for segment in segments: - try: - segment = int(segment) - except ValueError: - return None - if segment < 0 or segment > 255: - return None - num = num << 8 | segment - return num - - -class DatabaseError(Exception): - pass - - -class GeoIP(object): - """Wraps GeoIP country database lookup into a class.""" - - _record_length = 3 - _country_start = 16776960 - - def __init__(self, dbname='GeoIP.dat'): - """Init GeoIP instance with given GeoIP country database file.""" - self._dbfile = open(dbname, 'rb') - - def country(self, ip): - """Lookup IP address string and turn it into a two-letter country code - like 'NZ', or return empty string if unknown. - - >>> g = GeoIP() - >>> g.country('64.233.161.99') - 'US' - >>> g.country('202.21.128.102') - 'NZ' - >>> g.country('asdf') - '' - >>> g.country('127.0.0.1') - '' - """ - ipnum = iptonum(ip) - if ipnum is None: - return '' - return countries[self._country_id(ipnum)] - - def _country_id(self, ipnum): - """Look up and return country ID of given 32-bit IP address.""" - # Search algorithm from: http://code.google.com/p/pygeoip/ - offset = 0 - for depth in range(31, -1, -1): - self._dbfile.seek(offset * 2 * self._record_length) - data = self._dbfile.read(2 * self._record_length) - x = [0, 0] - for i in range(2): - for j in range(self._record_length): - x[i] += ord(data[self._record_length * i + j]) << (j * 8) - i = 1 if ipnum & (1 << depth) else 0 - if x[i] >= self._country_start: - return x[i] - self._country_start - offset = x[i] - raise DatabaseError('GeoIP database corrupt: offset=%s' % offset) - - -def country(ip, dbname='GeoIP.dat'): - """Helper function that creates a GeoIP instance and calls country().""" - return GeoIP(dbname).country(ip) - - -if __name__ == '__main__': - import doctest - doctest.testmod() |