aboutsummaryrefslogtreecommitdiffstats
path: root/mapreduce/common.py
diff options
context:
space:
mode:
Diffstat (limited to 'mapreduce/common.py')
-rw-r--r--mapreduce/common.py73
1 files changed, 0 insertions, 73 deletions
diff --git a/mapreduce/common.py b/mapreduce/common.py
deleted file mode 100644
index 6710044..0000000
--- a/mapreduce/common.py
+++ /dev/null
@@ -1,73 +0,0 @@
-
-from datetime import datetime
-
-NORMAL_MIME = (
- 'application/pdf',
- 'application/postscript',
- 'text/html',
- 'text/xml',
-)
-
-def normalize_mime(raw):
- raw = raw.lower()
- for norm in NORMAL_MIME:
- if raw.startswith(norm):
- return norm
-
- # Special cases
- if raw.startswith('application/xml'):
- return 'text/xml'
- if raw.startswith('application/x-pdf'):
- return 'application/pdf'
- return None
-
-
-def test_normalize_mime():
- assert normalize_mime("asdf") is None
- assert normalize_mime("application/pdf") == "application/pdf"
- assert normalize_mime("application/pdf+journal") == "application/pdf"
- assert normalize_mime("Application/PDF") == "application/pdf"
- assert normalize_mime("application/p") is None
- assert normalize_mime("application/xml+stuff") == "text/xml"
- assert normalize_mime("application/x-pdf") == "application/pdf"
- assert normalize_mime("application/x-html") is None
-
-
-def parse_cdx_line(raw_cdx):
-
- cdx = raw_cdx.split()
- if len(cdx) < 11:
- return None
-
- surt = cdx[0]
- dt = cdx[1]
- url = cdx[2]
- mime = normalize_mime(cdx[3])
- http_status = cdx[4]
- key = cdx[5]
- c_size = cdx[8]
- offset = cdx[9]
- warc = cdx[10]
-
- if not (key.isalnum() and c_size.isdigit() and offset.isdigit()
- and http_status == "200" and len(key) == 32 and dt.isdigit()
- and mime != None):
- return None
-
- if '-' in (surt, dt, url, mime, http_status, key, c_size, offset, warc):
- return None
-
- key = "sha1:{}".format(key)
-
- info = dict(surt=surt, dt=dt, url=url, c_size=int(c_size),
- offset=int(offset), warc=warc)
-
- warc_file = warc.split('/')[-1]
- try:
- dt_iso = datetime.strptime(dt, "%Y%m%d%H%M%S").isoformat()
- except Exception:
- return None
-
- # 'i' intentionally not set
- heritrix = dict(u=url, d=dt_iso, f=warc_file, o=int(offset), c=1)
- return {'key': key, 'file:mime': mime, 'file:cdx': info, 'f:c': heritrix}