file.py
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Created: Wed, May 8, 16:37

file.py
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	## $Id$

	## This file is part of the CERN Document Server Software (CDSware).
	## Copyright (C) 2002, 2003, 2004, 2005 CERN.
	##
	## The CDSware is free software; you can redistribute it and/or
	## modify it under the terms of the GNU General Public License as
	## published by the Free Software Foundation; either version 2 of the
	## License, or (at your option) any later version.
	##
	## The CDSware is distributed in the hope that it will be useful, but
	## WITHOUT ANY WARRANTY; without even the implied warranty of
	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	## General Public License for more details.
	##
	## You should have received a copy of the GNU General Public License
	## along with CDSware; if not, write to the Free Software Foundation, Inc.,
	## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.

	<protect>
	## $Id$
	## DO NOT EDIT THIS FILE! IT WAS AUTOMATICALLY GENERATED FROM CDSware WML SOURCES.

	## import interesting modules:
	import string
	import os
	import sys
	import time
	import types
	import re
	import mimetypes
	import shutil
	import md5
	import urllib

	from config import *
	from access_control_engine import acc_authorize_action
	from access_control_admin import acc_isRole
	from webpage import page, create_error_box
	from webuser import getUid, get_email
	from dbquery import run_sql
	from messages import *
	from mod_python import apache
	from websubmit_config import *

	archivepath = filedir
	archivesize = filedirsize

	class BibRecDocs:
	"""this class represents all the files attached to one record"""
	def __init__(self,recid):
	self.id = recid
	self.bibdocs = []
	self.buildBibDocList()

	def buildBibDocList(self):
	self.bibdocs = []
	res = run_sql("select id_bibdoc,type from bibrec_bibdoc,bibdoc where id=id_bibdoc and id_bibrec=%s and status!='deleted'", (self.id,))
	for row in res:
	self.bibdocs.append(BibDoc(bibdocid=row[0],recid=self.id))

	def listBibDocs(self,type=""):
	tmp=[]
	for bibdoc in self.bibdocs:
	if type=="" or type == bibdoc.getType():
	tmp.append(bibdoc)
	return tmp

	def getBibDocNames(self,type="Main"):
	names = []
	for bibdoc in self.listBibDocs(type):
	names.append(bibdoc.getDocName())
	return names

	def getBibDoc(self,bibdocid):
	for bibdoc in self.bibdocs:
	if bibdoc.getId() == bibdocid:
	return bibdoc
	return None

	def deleteBibDoc(self,bibdocid):
	for bibdoc in self.bibdocs:
	if bibdoc.getId() == bibdocid:
	bibdoc.delete()
	self.buildBibDocList()

	def addBibDoc(self,type="Main",docname="file"):
	while docname in self.getBibDocNames(type):
	match = re.match("(._)([^_])",docname)
	if match:
	try:
	docname = match.group(1)+str(int(match.group(2)) + 1)
	except:
	docname = docname + "_2"
	else:
	docname = docname + "_2"
	bibdoc = BibDoc(recid=self.id,type=type,docname=docname)
	if bibdoc != None:
	self.bibdocs.append(bibdoc)
	return bibdoc

	def addNewFile(self,fullpath,type="Main"):
	filename = re.sub("\..","",re.sub(r".[\\/:]", "", fullpath))
	bibdoc = self.addBibDoc(type,filename)
	if bibdoc != None:
	bibdoc.addFilesNewVersion(files=[fullpath])
	return bibdoc
	return None

	def addNewVersion(self,fullpath,bibdocid):
	bibdoc = self.getBibDoc(bibdocid)
	if bibdoc != None:
	bibdoc.addFilesNewVersion(files=[fullpath])
	docname = re.sub("\..","",re.sub(r".[\\/:]", "", fullpath))
	if docname != bibdoc.getDocName():
	while docname in self.getBibDocNames(bibdoc.getType()):
	match = re.match("(._)([^_])",docname)
	if match:
	try:
	docname = match.group(1)+str(int(match.group(2)) + 1)
	except:
	docname = docname + "_2"
	else:
	docname = docname + "_2"
	bibdoc.changeName(docname)
	return bibdoc
	return None

	def addNewFormat(self,fullpath,bibdocid):
	bibdoc = self.getBibDoc(bibdocid)
	if bibdoc != None:
	bibdoc.addFilesNewFormat(files=[fullpath])
	return bibdoc
	return None

	def listLatestFiles(self,type=""):
	docfiles = []
	for bibdoc in self.listBibDocs(type):
	for docfile in bibdoc.listLatestFiles():
	docfiles.append(docfile)
	return docfiles

	def checkFileExists(self,fullpath,type=""):
	if os.path.exists(fullpath):
	docfiles = self.listLatestFiles(type)
	for docfile in docfiles:
	if md5.new(readfile(fullpath)).digest() == md5.new(readfile(docfile.getPath())).digest():
	return docfile.getBibDocId()
	else:
	return 0

	def display(self,bibdocid="",version="",type=""):
	t=""
	bibdocs = []
	if bibdocid!="":
	for bibdoc in self.bibdocs:
	if bibdoc.getId() == bibdocid:
	bibdocs.append(bibdoc)
	else:
	bibdocs = self.listBibDocs(type)
	if len(bibdocs) > 0:
	types = listTypesFromArray(bibdocs)
	for mytype in types:
	t+="<small><b>%s</b> file(s):</small>" % mytype
	t+="<ul>"
	for bibdoc in bibdocs:
	if mytype == bibdoc.getType():
	t+=bibdoc.display(version)
	t+="</ul>"
	return t

	class BibDoc:
	"""this class represents one file attached to a record
	there is a one to one mapping between an instance of this class and
	an entry in the bibdoc db table"""

	def __init__ (self,bibdocid="",recid="",docname="file",type="Main"):
	# bibdocid is known, the document already exists
	if bibdocid != "":
	if recid == "":
	res = run_sql("select id_bibrec,type from bibrec_bibdoc where id_bibdoc=%s",(bibdocid,))
	if len(res) > 0:
	recid = res[0][0]
	self.type = res[0][1]
	else:
	recid = None
	self.type = ""
	else:
	res = run_sql("select type from bibrec_bibdoc where id_bibrec=%s and id_bibdoc=%s",(recid,bibdocid,))
	self.type = res[0][0]
	# gather the other information
	res = run_sql("select * from bibdoc where id=%s", (bibdocid,))
	self.cd = res[0][3]
	self.md = res[0][4]
	self.recid = recid
	self.docname = res[0][2]
	self.id = bibdocid
	group = "g"+str(int(int(self.id)/archivesize))
	self.basedir = "%s/%s/%s" % (archivepath,group,self.id)
	# else it is a new document
	else:
	if docname == "" or type == "":
	return None
	else:
	self.recid = recid
	self.type = type
	self.docname = docname
	self.id = run_sql("insert into bibdoc (docname,creation_date,modification_date) values(%s,NOW(),NOW())", (docname,))
	if self.id != None:
	#we link the document to the record if a recid was specified
	if self.recid != "":
	run_sql("insert into bibrec_bibdoc values(%s,%s,%s)", (recid,self.id,self.type,))
	else:
	return None
	group = "g"+str(int(int(self.id)/archivesize))
	self.basedir = "%s/%s/%s" % (archivepath,group,self.id)
	# we create the corresponding storage directory
	if not os.path.exists(self.basedir):
	os.makedirs(self.basedir)
	# and save the father record id if it exists
	if self.recid!="":
	fp = open("%s/.recid" % self.basedir,"w")
	fp.write(str(self.recid))
	fp.close()
	# build list of attached files
	self.docfiles = {}
	self.BuildFileList()
	# link with relatedFiles
	self.relatedFiles = {}
	self.BuildRelatedFileList()

	def addFilesNewVersion(self,files=[]):
	"""add a new version of a file to an archive"""
	latestVersion = self.getLatestVersion()
	if latestVersion == "0":
	myversion = "1"
	else:
	myversion = str(int(latestVersion)+1)
	for file in files:
	if os.path.exists(file):
	filename = re.sub(r".*[\\/:]", "", file)
	shutil.copy(file,"%s/%s;%s" % (self.basedir,filename,myversion))
	self.BuildFileList()

	def addFilesNewFormat(self,files=[],version=""):
	"""add a new format of a file to an archive"""
	if version == "":
	version = self.getLatestVersion()
	for file in files:
	if os.path.exists(file):
	filename = re.sub(r".*[\\/:]", "", file)
	shutil.copy(file,"%s/%s;%s" % (self.basedir,filename,version))
	self.BuildFileList()

	def getIcon(self):
	if self.relatedFiles.has_key('Icon'):
	return self.relatedFiles['Icon'][0]
	else:
	return None

	def addIcon(self,file):
	"""link an icon with the bibdoc object"""
	#first check if an icon already exists
	existingIcon = self.getIcon()
	if existingIcon != None:
	existingIcon.delete()
	#then add the new one
	filename = re.sub("\..","",re.sub(r".[\\/:]", "", file))
	newicon = BibDoc(type='Icon',docname=filename)
	if newicon != None:
	newicon.addFilesNewVersion(files=[file])
	run_sql("insert into bibdoc_bibdoc values(%s,%s,'Icon')", (self.id,newicon.getId(),))
	if os.path.exists(newicon.getBaseDir()):
	fp = open("%s/.docid" % newicon.getBaseDir(),"w")
	fp.write(str(self.id))
	fp.close()
	self.BuildRelatedFileList()

	def deleteIcon(self):
	existingIcon = self.getIcon()
	if existingIcon != None:
	existingIcon.delete()
	self.BuildRelatedFileList()

	def display(self,version=""):
	t=""
	if version == "all":
	docfiles = self.listAllFiles()
	elif version != "":
	docfiles = self.listVersionFiles(version)
	else:
	docfiles = self.listLatestFiles()
	existingIcon = self.getIcon()
	if existingIcon != None:
	imagepath = "%s/getfile.py?docid=%s&name=%s&format=gif" % (weburl,existingIcon.getId(),urllib.quote(existingIcon.getDocName()))
	else:
	imagepath = "%s/smallfiles.gif" % images
	t+="<table border=0 cellspacing=1 class=\"searchbox\"><tr><td align=left colspan=2 class=\"portalboxheader\"><img src='%s' border=0>  %s</td></tr>" % (imagepath,self.docname)
	for version in listVersionsFromArray(docfiles):
	if version == self.getLatestVersion() and version != "1":
	versiontext = "<br>(see <a href=\"%s/getfile.py?docid=%s&version=all\">previous</a>)" % (weburl,self.id)
	else:
	versiontext = ""
	t+="<tr><td class=\"portalboxheader\"><font size=-2>version %s%s</td><td>" % (version,versiontext)
	t+="<table>"
	for docfile in docfiles:
	if docfile.getVersion() == version:
	t +=docfile.display()
	t+="</table></td></tr>"
	t+="</table>"
	return t

	def changeName(self,newname):
	run_sql("update bibdoc set docname=%s where id=%s",(newname,self.id,))
	self.docname = newname

	def getDocName(self):
	"""retrieve bibdoc name"""
	return self.docname

	def getBaseDir(self):
	"""retrieve bibdoc base directory"""
	return self.basedir

	def getType(self):
	"""retrieve bibdoc type"""
	return self.type

	def getRecid(self):
	"""retrieve bibdoc recid"""
	return self.recid

	def getId(self):
	"""retrieve bibdoc id"""
	return self.id

	def getFile(self,name,format,version):
	if version == "":
	docfiles = self.listLatestFiles()
	else:
	docfiles = self.listVersionFiles(version)
	for docfile in docfiles:
	if docfile.getName()==name and docfile.getFormat()==format:
	return docfile
	return None

	def listVersions(self):
	versions = []
	for docfile in self.docfiles:
	if not docfile.getVersion() in versions:
	versions.append(docfile.getVersion())
	return versions

	def delete(self):
	"""delete the current bibdoc instance"""
	run_sql("update bibdoc set status='deleted' where id=%s",(self.id,))

	def BuildFileList(self):
	"""lists all files attached to the bibdoc"""
	self.docfiles = []
	if os.path.exists(self.basedir):
	for fil in os.listdir(self.basedir):
	if fil != ".recid" and fil != ".docid" and fil != "." and fil != "..":
	filepath = "%s/%s" % (self.basedir,fil)
	fileversion = re.sub(".*;","",fil)
	fullname = fil.replace(";%s" % fileversion,"")
	# detect fullname's basename and extension:
	if fullname.endswith(".gz"):
	# .gz is to be included with the extension (e.g. ".ps.gz")
	fullname_last_dot_postition = fullname[:-3].rfind(".")
	else:
	fullname_last_dot_postition = fullname.rfind(".")
	if fullname_last_dot_postition == -1:
	fullname_basename = fullname
	fullname_extension = ""
	else:
	fullname_basename = fullname[:fullname_last_dot_postition]
	fullname_extension = fullname[fullname_last_dot_postition+1:]
	self.docfiles.append(BibDocFile(filepath,self.type,fileversion,fullname_basename,fullname_extension,self.id))

	def BuildRelatedFileList(self):
	res = run_sql("select ln.id_bibdoc2,ln.type from bibdoc_bibdoc as ln,bibdoc where id=ln.id_bibdoc2 and ln.id_bibdoc1=%s and status!='deleted'",(self.id,))
	for row in res:
	bibdocid = row[0]
	type = row[1]
	if not self.relatedFiles.has_key(type):
	self.relatedFiles[type] = []
	self.relatedFiles[type].append(BibDoc(bibdocid=bibdocid))

	def listAllFiles(self):
	return self.docfiles

	def listLatestFiles(self):
	return self.listVersionFiles(self.getLatestVersion())

	def listVersionFiles(self,version):
	tmp = []
	for docfile in self.docfiles:
	if docfile.getVersion() == version:
	tmp.append(docfile)
	return tmp

	def getLatestVersion(self):
	if len(self.docfiles) > 0:
	self.docfiles.sort(orderFilesWithVersion)
	return self.docfiles[0].getVersion()
	else:
	return 0

	def getFileNumber(self):
	return len(self.files)

	def registerDownload(self,addressIp,version,format,userid=0):
	return run_sql("INSERT INTO rnkDOWNLOADS (id_bibrec,id_bibdoc,file_version,file_format,id_user,client_host,download_time) VALUES (%s,%s,%s,%s,%s,INET_ATON(%s),NOW())",
	(self.recid,self.id,version,string.upper(format),userid,addressIp,))
	class BibDocFile:
	"""this class represents a physical file in the CDSware filesystem"""

	def __init__(self,fullpath,type,version,name,format,bibdocid):
	self.fullpath = fullpath
	self.type = type
	self.bibdocid = bibdocid
	self.version = version
	self.size = os.path.getsize(fullpath)
	self.md = os.path.getmtime(fullpath)
	try:
	self.cd = os.path.getctime(fullpath)
	except:
	self.cd = self.md
	self.name = name
	self.format = format
	self.dir = os.path.dirname(fullpath)
	if format == "":
	self.mime = "text/plain"
	self.encoding = ""
	self.fullname = name
	else:
	self.fullname = "%s.%s" % (name,format)
	(self.mime,self.encoding) = mimetypes.guess_type(self.fullname)
	if self.mime == None:
	self.mime = "text/plain"

	def display(self):
	if self.format != "":
	format = ".%s" % self.format
	else:
	format = ""
	return "<tr><td valign=top><small><a href=\"%s/getfile.py?docid=%s&name=%s&format=%s&version=%s\">%s%s</a></td><td valign=top><font size=-2 color=green>[%s B]</font></td></tr>\n""" % (weburl,self.bibdocid,urllib.quote(self.name),urllib.quote(self.format),self.version,self.name,format,self.size)

	def getType(self):
	return self.type

	def getPath(self):
	return self.fullpath

	def getBibDocId(self):
	return self.bibdocid

	def getName(self):
	return self.name

	def getFormat(self):
	return self.format

	def getSize(self):
	return self.size

	def getVersion(self):
	return self.version

	def getRecid(self):
	return run_sql("select id_bibrec from bibrec_bibdoc where id_bibdoc=%s",(self.bibdocid,))[0][0]

	def stream(self,req):
	if os.path.exists(self.fullpath):
	req.content_type = self.mime
	req.encoding = self.encoding
	req.filename = self.fullname
	req.headers_out["Content-Disposition"] = "file; filename=%s" % self.fullname
	req.send_http_header()
	fp = file(self.fullpath,"r")
	content = fp.read()
	fp.close()
	return content

	def readfile(path):
	if os.path.exists(path):
	fp = open(path,"r")
	content = fp.read()
	fp.close()
	return content

	def listTypesFromArray(bibdocs):
	types = []
	for bibdoc in bibdocs:
	if not bibdoc.getType() in types:
	types.append(bibdoc.getType())
	return types

	def listVersionsFromArray(docfiles):
	versions = []
	for docfile in docfiles:
	if not docfile.getVersion() in versions:
	versions.append(docfile.getVersion())
	return versions

	def orderFilesWithVersion(docfile1,docfile2):
	"""order docfile objects according to their version"""
	version1 = int(docfile1.getVersion())
	version2 = int(docfile2.getVersion())
	return cmp(version2,version1)
	</protect>

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