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uprclfolders.py    226 lines (193 with data), 6.9 kB

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import os
import shlex
import urllib
import sys
from uprclutils import *
from recoll import recoll
from recoll import rclconfig
g_myprefix = '0$uprcl$folders'
# Internal init: create the directory tree (folders view) from the doc
# array by splitting the url in each doc.
#
# The dirvec vector has one entry for each directory. Each entry is a
# dictionary, mapping the names inside the directory to a pair (i,j),
# where:
# - i is an index into dirvec if the name is a directory, else -1
# - j is the index of the doc inside the doc array (or -1 if there is no doc)
#
# Entry 0 in dirvec is special: it holds the 'topdirs' from the recoll
# configuration. The entries are paths instead of simple names, and
# the doc index (j) is 0. The dir index points normally to a dirvec
# entry.
def _rcl2folders(docs, confdir):
global dirvec
dirvec = []
rclconf = rclconfig.RclConfig(confdir)
topdirs = [os.path.expanduser(d) for d in
shlex.split(rclconf.getConfParam('topdirs'))]
topidx = 0
dirvec.append({})
for d in topdirs:
topidx += 1
dirvec[0][d] = (topidx, -1)
dirvec.append({})
# Walk the doc list and update the directory tree according to the
# url (create intermediary directories if needed, create leaf
# entry
for docidx in range(len(docs)):
doc = docs[docidx]
url = doc.getbinurl()
url = url[7:]
try:
decoded = url.decode('utf-8')
except:
decoded = urllib.quote(url).decode('utf-8')
# Determine the root entry (topdirs element). Special because
# path not simple name
fathidx = -1
for rtpath,idx in dirvec[0].iteritems():
if url.startswith(rtpath):
fathidx = idx[0]
break
if fathidx == -1:
uplog("No parent in topdirs: %s" % decoded)
continue
# Compute rest of path
url1 = url[len(rtpath):]
if len(url1) == 0:
continue
# Split path, then walk the vector, possibly creating
# directory entries as needed
path = url1.split('/')[1:]
#uplog("%s"%path, file=sys.stderr)
for idx in range(len(path)):
elt = path[idx]
if elt in dirvec[fathidx]:
# This path element was already seen
# If this is the last entry in the path, maybe update
# the doc idx (previous entries were created for
# intermediate elements without a Doc).
#uplog("NEED TO UPDATE DOC")
dirvec[fathidx][elt] = (dirvec[fathidx][elt][0], docidx)
# Update fathidx for next iteration
fathidx = dirvec[fathidx][elt][0]
else:
# Element has no entry in father directory (hence no
# dirvec entry either).
if idx != len(path) -1:
# This is an intermediate element. Create a
# Doc-less directory
topidx += 1
dirvec.append({})
dirvec[fathidx][elt] = (topidx, -1)
fathidx = topidx
else:
# Last element. If directory, needs a dirvec entry
if doc.mtype == 'inode/directory':
topidx += 1
dirvec.append({})
dirvec[fathidx][elt] = (topidx, docidx)
fathidx = topidx
else:
dirvec[fathidx][elt] = (-1, docidx)
if False:
for ent in dirvec:
uplog("%s" % ent)
return dirvec
# Internal init: fetch all the docs by querying Recoll with [mime:*],
# which is guaranteed to match every doc without overflowing the query
# size (because the number of mime types is limited). Something like
# title:* would overflow.
def _fetchalldocs(confdir):
allthedocs = []
rcldb = recoll.connect(confdir=confdir)
rclq = rcldb.query()
rclq.execute("mime:*", stemming=0)
uplog("Estimated alldocs query results: %d" % (rclq.rowcount))
maxcnt = 0
totcnt = 0
while True:
docs = rclq.fetchmany()
for doc in docs:
allthedocs.append(doc)
totcnt += 1
if (maxcnt > 0 and totcnt >= maxcnt) or len(docs) != rclq.arraysize:
break
uplog("Retrieved %d docs" % (totcnt,))
return allthedocs
# Initialize (read recoll data and build tree)
def inittree(confdir):
global g_alldocs, g_dirvec
g_alldocs = _fetchalldocs(confdir)
g_dirvec = _rcl2folders(g_alldocs, confdir)
def _cmpentries(e1, e2):
tp1 = e1['tp']
tp2 = e2['tp']
isct1 = tp1 == 'ct'
isct2 = tp2 == 'ct'
# Containers come before items, and are sorted in alphabetic order
if isct1 and not isct2:
return 1
elif not isct1 and isct2:
return -1
elif isct1 and isct2:
tt1 = e1['tt']
tt2 = e2['tt']
if tt1 < tt2:
return -1
elif tt1 > tt2:
return 1
else:
return 0
# 2 tracks. Sort by album then track number
k = 'upnp:album'
a1 = e1[k] if k in e1 else ""
a2 = e2[k] if k in e2 else ""
if a1 < a2:
return -1
elif a1 > a2:
return 1
k = 'upnp:originalTrackNumber'
a1 = e1[k] if k in e1 else "0"
a2 = e2[k] if k in e2 else "0"
return int(a1) - int(a2)
# Browse method
# objid is like folders$index
# flag is meta or children.
def browse(pid, flag, httphp, pathprefix):
global g_alldocs, g_dirvec
if not pid.startswith(g_myprefix):
uplog("folders.browse: bad pid %s" % pid)
return []
if len(g_alldocs) == 0:
uplog("folders:browse: no docs")
return []
diridx = pid[len(g_myprefix):]
if not diridx:
diridx = 0
else:
diridx = int(diridx[2:])
if diridx >= len(g_dirvec):
uplog("folders:browse: bad pid %s" % pid)
return []
entries = []
# The basename call is just for diridx==0 (topdirs). Remove it if
# this proves a performance issue
for nm,ids in g_dirvec[diridx].iteritems():
thisdiridx = ids[0]
thisdocidx = ids[1]
if thisdiridx >= 0:
id = g_myprefix + '$' + 'd' + str(thisdiridx)
entries.append(rcldirentry(id, pid, os.path.basename(nm)))
else:
# Not a directory. docidx had better been set
if thisdocidx == -1:
uplog("folders:docidx -1 for non-dir entry %s"%nm)
continue
doc = g_alldocs[thisdocidx]
id = g_myprefix + '$' + 'i' + str(thisdocidx)
e = rcldoctoentry(id, pid, httphp, pathprefix, doc)
if e:
entries.append(e)
#return entries
return sorted(entries, cmp=_cmpentries)