class MultiPageTextImporter:
def __init__(self, mainControl):
"""
mainControl -- Currently PersonalWikiFrame object
"""
self.mainControl = mainControl
def getImportTypes(self, guiparent):
"""
Return sequence of tuples with the description of import types provided
by this object. A tuple has the form (<imp. type>,
<human readable description>, <panel for add. options or None>)
If panels for additional options must be created, they should use
guiparent as parent
"""
if guiparent:
res = wx.xrc.XmlResource.Get()
mptPanel = res.LoadPanel(guiparent, "ImportSubMultipageText")
# ctrls = XrcControls(htmlPanel)
# config = self.mainControl.getConfig()
#
# ctrls.cbPicsAsLinks.SetValue(config.getboolean("main",
# "html_export_pics_as_links"))
# ctrls.chTableOfContents.SetSelection(config.getint("main",
# "export_table_of_contents"))
# ctrls.tfHtmlTocTitle.SetValue(config.get("main",
# "html_toc_title"))
else:
mptPanel = None
return (
(u"multipage_text", _(u"Multipage text"), mptPanel),
)
def getImportSourceWildcards(self, importType):
"""
If an export type is intended to go to a file, this function
returns a (possibly empty) sequence of tuples
(wildcard description, wildcard filepattern).
If an export type goes to a directory, None is returned
"""
if importType == u"multipage_text":
return ((_(u"Multipage files (*.mpt)"), "*.mpt"),
(_(u"Text file (*.txt)"), "*.txt"))
return None
def getAddOptVersion(self):
"""
Returns the version of the additional options information returned
by getAddOpt(). If the return value is -1, the version info can't
be stored between application sessions.
Otherwise, the addopt information can be stored between sessions
and can later handled back to the doImport method of the object
without previously showing the import dialog.
"""
return 0
def getAddOpt(self, addoptpanel):
"""
Reads additional options from panel addoptpanel.
If getAddOptVersion() > -1, the return value must be a sequence
of simple string, unicode and/or numeric objects. Otherwise, any object
can be returned (normally the addoptpanel itself)
"""
if addoptpanel is None:
return (0,)
else:
ctrls = XrcControls(addoptpanel)
showImportTableAlways = boolToInt(ctrls.cbShowImportTableAlways.GetValue())
return (showImportTableAlways,)
def _collectContent(self):
"""
Collect lines from current position of importFile up to separator
or file end collect all lines and return them as list of lines.
"""
content = []
while True:
# Read lines of wikiword
line = self.importFile.readline()
if line == u"":
# The last page in mpt file without separator
# ends as the real wiki page
# content = u"".join(content)
break
if line == self.separator:
if len(content) > 0:
# Iff last line of mpt page is empty, the original
# page ended with a newline, so remove last
# character (=newline)
content[-1] = content[-1][:-1]
# content = u"".join(content)
break
content.append(line)
return u"".join(content)
def _skipContent(self):
"""
Skip content until reaching next separator or end of file
"""
while True:
# Read lines of wikiword
line = self.importFile.readline()
if line == u"":
# The last page in mpt file without separator
# ends as the real wiki page
break
if line == self.separator:
break
def doImport(self, wikiDocument, importType, importSrc,
compatFilenames, addOpt, importData=None):
"""
Run import operation.
wikiDocument -- WikiDataManager object
importType -- string tag to identify how to import
importSrc -- Path to source directory or file to import from
compatFilenames -- Should the filenames be decoded from the lowest
level compatible?
addOpt -- additional options returned by getAddOpt()
importData -- if not None contains data to import as bytestring.
importSrc is ignored in this case. Needed for trashcan.
returns True if import was done (needed for trashcan)
"""
if importData is not None:
self.rawImportFile = StringIO(importData)
else:
try:
self.rawImportFile = open(pathEnc(importSrc), "rU")
except IOError:
raise ImportException(_(u"Opening import file failed"))
self.wikiDocument = wikiDocument
self.tempDb = None
showImportTableAlways = addOpt[0]
# wikiData = self.wikiDocument.getWikiData()
# TODO Do not stop on each import error, instead create error list and
# continue
try:
try:
# Wrap input file to convert format
bom = self.rawImportFile.read(len(BOM_UTF8))
if bom != BOM_UTF8:
self.rawImportFile.seek(0)
decodingReader = mbcsReader
decode = mbcsDec
else:
decodingReader = utf8Reader
decode = utf8Dec
line = decode(self.rawImportFile.readline())[0]
if line.startswith(u"#!"):
# Skip initial line with #! to allow execution as shell script
line = decode(self.rawImportFile.readline())[0]
if not line.startswith(u"Multipage text format "):
raise ImportException(
_(u"Bad file format, header not detected"))
# Following in the format identifier line is a version number
# of the file format
self.formatVer = int(line[22:-1])
if self.formatVer > 1:
raise ImportException(
_(u"File format number %i is not supported") %
self.formatVer)
# Next is the separator line
line = decode(self.rawImportFile.readline())[0]
if not line.startswith(u"Separator: "):
raise ImportException(
_(u"Bad file format, header not detected"))
self.separator = line[11:]
startPos = self.rawImportFile.tell()
self.importFile = decodingReader(self.rawImportFile, "replace")
if self.formatVer == 0:
self._doImportVer0()
elif self.formatVer == 1:
# Create temporary database. It is mainly filled during
# pass 1 to check for validity and other things before
# actual importing in pass 2
# TODO Respect settings for general temp location!!!
self.tempDb = ConnectWrapSyncCommit(sqlite3.connect(""))
try: # TODO: Remove column "collisionWithPresent", seems to be unused
self.tempDb.execSql("create table entries("
"unifName text primary key not null, " # Unified name in import file
"seen integer not null default 0, " # data really exists
"dontImport integer not null default 0, " # don't import this (set between pass 1 and 2)
"missingDep integer not null default 0, " # missing dependency(ies)
"importVersionData integer not null default 0, " # versioning data present
# "neededBy text default '',"
# "versionContentDifferencing text default '',"
"collisionWithPresent text not null default ''," # Unif. name of present entry which collides with imported one (if any)
"renameImportTo text not null default ''," # Rename imported element to (if at all)
"renamePresentTo text not null default ''" # Rename present element in database to (if at all)
");"
)
# Dependencies. If unifName isn't imported (or faulty), neededBy shouldn't be either
self.tempDb.execSql("create table depgraph("
"unifName text not null default '',"
"neededBy text not null default '',"
"constraint depgraphpk primary key (unifName, neededBy)"
");"
)
# Recursive processing is not supported for this table
self.tempDb.execSql("create table renamegraph("
"unifName text not null default '',"
"dependent text not null default '',"
"constraint renamegraphpk primary key (unifName, dependent),"
"constraint renamegraphsingledep unique (dependent)"
");"
)
# Collect some initial information into the temporary database
self._doImportVer1Pass1()
# Draw some logical conclusions on the temp db
self._markMissingDependencies()
self._markHasVersionData()
self._markCollision()
# Now ask user if necessary
if showImportTableAlways or self._isUserNeeded():
if not self._doUserDecision():
# Canceled by user
return False
# Further logical processing after possible user editing
self._markNonImportedVersionsData()
self._markNonImportedDependencies()
self._propagateRenames()
# TODO: Remove version data without ver. overview or main data
# Back to start of import file and import according to settings
# in temp db
self.rawImportFile.seek(startPos)
self.importFile = decodingReader(self.rawImportFile, "replace")
self._doImportVer1Pass2()
return True
finally:
self.tempDb.close()
self.tempDb = None
except ImportException:
raise
except Exception, e:
traceback.print_exc()
raise ImportException(unicode(e))
finally:
self.rawImportFile.close()
def _markMissingDependencies(self):
"""
If a datablock wasn't present, all dependent data blocks are marked as
not to import
"""
while True:
self.tempDb.execSql("""
update entries set missingDep=1, dontImport=1 where (not missingDep) and
unifName in (select depgraph.neededBy from depgraph inner join
entries on depgraph.unifName = entries.unifName where
(not entries.seen) or entries.missingDep);
""")
if self.tempDb.rowcount == 0:
break
def _markHasVersionData(self):
"""
Mark if version data present
"""
self.tempDb.execSql("""
update entries set importVersionData=1 where (not importVersionData) and
unifName in (select substr(unifName, 21) from entries where
unifName glob 'versioning/overview/*' and not dontImport)
""") # TODO Take missing deps into account here?
# self.tempDb.execSql("insert or replace into entries(unifName, importVersionData) "
# "values (?, 1)", (depunifName,))
def _markCollision(self):
"""
Mark collisions between existing and data blocks and such to import
"""
# First find collisions with wiki words
for wikipageUnifName in self.tempDb.execSqlQuerySingleColumn(
"select unifName from entries where unifName glob 'wikipage/*' "
"and not dontImport"):
wpName = wikipageUnifName[9:]
if not self.wikiDocument.isDefinedWikiPageName(wpName):
continue
self.tempDb.execSql("update entries set collisionWithPresent = ? "
"where unifName = ?",
(wikipageUnifName, wikipageUnifName))
# (u"wikipage/" + collisionWithPresent, wikipageUnifName))
# Then find other collisions (saved searches etc.)
for unifName in self.tempDb.execSqlQuerySingleColumn(
"select unifName from entries where (unifName glob 'savedsearch/*' "
"or unifName glob 'savedpagesearch/*') and not dontImport"):
if self.wikiDocument.hasDataBlock(unifName):
self.tempDb.execSql("update entries set collisionWithPresent = ? "
"where unifName = ?", (unifName, unifName))
def _markNonImportedVersionsData(self):
"""
After user dialog: If importVersionData is false for some entries
the depending version data shouldn't be imported.
Only the versioning overview is marked for not importing. The next step
propagates this to the other data blocks
"""
self.tempDb.execSql("""
update entries set dontImport = 1 where
unifName in (select 'versioning/overview/' || unifName from
entries where not importVersionData)
""")
# # Vice versa the importVersionData column must be updated if
# self.tempDb.execSql("""
# update entries set importVersionData = 0 where importVersionData
# and ('versioning/overview/' || unifName) in (select unifName
# from entries where dontImport)
# """)
def _markNonImportedDependencies(self):
"""
After user dialog: If some data blocks where chosen not to import
mark all dependent blocks to not import also (especially version data)
"""
while True:
self.tempDb.execSql("""
update entries set dontImport=1 where (not dontImport) and
unifName in (select depgraph.neededBy from depgraph inner join
entries on depgraph.unifName = entries.unifName where
entries.dontImport);
""")
if self.tempDb.rowcount == 0:
break
def _propagateRenames(self):
"""
Write rename commands for imported items to all parts to import
if some parts need renaming. Renaming of present items is not propagated.
"""
for unifName, renImportTo in self.tempDb.execSqlQuery(
"select unifName, renameImportTo from entries "
"where renameImportTo != '' and not dontImport"):
for depUnifName in self.tempDb.execSqlQuerySingleColumn(
"select dependent from renamegraph where unifName = ? and "
"dependent in (select unifName from entries where "
"not dontImport)", (unifName,)):
if depUnifName.endswith(unifName):
newName = depUnifName[:-len(unifName)] + renImportTo
self.tempDb.execSql("""
update entries set renameImportTo=? where unifName = ?
""", (newName, depUnifName))
def _doUserDecision(self):
"""
Called to present GUI to user for deciding what to do.
This method is overwritten for trashcan GUI.
Returns False if user canceled operation
"""
return MultiPageTextImporterDialog.runModal(
self.mainControl, self.tempDb,
self.mainControl)
def _isUserNeeded(self):
"""
Decide if a dialog must be shown to ask user how to proceed.
Under some circumstances the dialog may be shown regardless of the result.
"""
if self.tempDb.execSqlQuerySingleItem("select missingDep from entries "
"where missingDep limit 1", default=False):
# Missing dependency
return True
if len(self.tempDb.execSqlQuerySingleItem("select collisionWithPresent "
"from entries where collisionWithPresent != '' limit 1",
default=u"")) > 0:
# Name collision
return True
# No problems found
return False
def _doImportVer0(self):
"""
Import wikiwords if format version is 0.
"""
langHelper = wx.GetApp().createWikiLanguageHelper(
self.wikiDocument.getWikiDefaultWikiLanguage())
while True:
# Read next wikiword
line = self.importFile.readline()
if line == u"":
break
wikiWord = line[:-1]
errMsg = langHelper.checkForInvalidWikiWord(wikiWord,
self.wikiDocument)
if errMsg:
raise ImportException(_(u"Bad wiki word: %s, %s") %
(wikiWord, errMsg))
content = self._collectContent()
page = self.wikiDocument.getWikiPageNoError(wikiWord)
page.replaceLiveText(content)
def _doImportVer1Pass1(self):
while True:
tag = self.importFile.readline()
if tag == u"":
# End of file
break
tag = tag[:-1]
if tag.startswith(u"funcpage/"):
self._skipContent()
elif tag.startswith(u"savedsearch/"):
self._skipContent()
elif tag.startswith(u"savedpagesearch/"):
self._skipContent()
elif tag.startswith(u"wikipage/"):
self._skipContent()
elif tag.startswith(u"versioning/overview/"):
self._doImportItemVersioningOverviewVer1Pass1(tag[20:])
elif tag.startswith(u"versioning/packet/versionNo/"):
self._skipContent()
else:
# Unknown tag -> Ignore until separator
self._skipContent()
continue
self.tempDb.execSql("insert or replace into entries(unifName, seen) "
"values (?, 1)", (tag,))
def _readHintedDatablockVer1(self):
"""
Reads datablock and preprocesses encoding if necessary.
Returns either (hintStrings, content) or (None, None) if either
an unknown important hint was found or if encoding had an error.
hintStrings is a list of hints (as unistrings) which were
not processed by the function (therefore encoding hint is removed).
content can be a bytestring or a unistring.
If (None, None) is returned, the remaining content of the entry
was skipped already by the function.
"""
hintLine = self.importFile.readline()[:-1]
hintStrings = hintLine.split(u" ")
resultHintStrings = []
# Set default
useB64 = False
# Process hints
for hint in hintStrings:
if hint.startswith(u"important/encoding/"):
if hint[19:] == u"text":
useB64 = False
elif hint[19:] == u"base64":
useB64 = True
else:
# Unknown encoding: don't read further
self._skipContent()
return None, None
elif hint.startswith(u"important/"):
# There is something important we do not understand
self._skipContent()
return None, None
else:
resultHintStrings.append(hint)
content = self._collectContent()
if useB64:
try:
content = base64BlockDecode(content)
except TypeError:
# base64 decoding failed
self._skipContent()
return None, None
return (resultHintStrings, content)
def _doImportItemVersioningOverviewVer1Pass1(self, subtag):
hintStrings, content = self._readHintedDatablockVer1()
if content is None:
return
# Always encode to UTF-8 no matter what the import file encoding is
content = content.encode("utf-8")
try:
ovw = Versioning.VersionOverview(self.wikiDocument,
unifiedBasePageName=subtag)
ovw.readOverviewFromBytes(content)
ovwUnifName = ovw.getUnifiedName()
self.tempDb.execSql("insert or replace into depgraph(unifName, neededBy) "
"values (?, ?)", (subtag, ovwUnifName))
self.tempDb.execSql("insert or replace into renamegraph(unifName, dependent) "
"values (?, ?)", (subtag, ovwUnifName))
for depUnifName in ovw.getDependentDataBlocks(omitSelf=True):
# Mutual dependency between version overview and each version packet
self.tempDb.execSql("insert or replace into depgraph(unifName, neededBy) "
"values (?, ?)", (depUnifName, ovwUnifName))
self.tempDb.execSql("insert or replace into depgraph(unifName, neededBy) "
"values (?, ?)", (ovwUnifName, depUnifName))
self.tempDb.execSql("insert or replace into renamegraph(unifName, dependent) "
"values (?, ?)", (subtag, depUnifName))
# self.tempDb.execSql("insert or replace into entries(unifName, needed) "
# "values (?, 1)", (depUnifName,))
except VersioningException:
return
def _doImportVer1Pass2(self):
wikiDoc = self.wikiDocument
# We have to rename present items
# First wikipages because this automatically renames depending version data
for pageFrom, pageTo in self.tempDb.execSqlQuery(
"""
select substr(unifName, 10), substr(renamePresentTo, 10)
from entries where unifName glob 'wikipage/*' and
renamePresentTo glob 'wikipage/*'
"""):
if wikiDoc.isDefinedWikiPageName(pageFrom):
wikiDoc.renameWikiWord(pageFrom, pageTo, False) # TODO How to handle rename of home page?
# Then remaining data blocks
for oldUnifName, newUnifName in self.tempDb.execSqlQuery(
"""
select unifName, renamePresentTo
from entries where unifName not glob 'wikipage/*' and
renamePresentTo != ''
"""):
wikiDoc.renameDataBlock(oldUnifName, newUnifName)
# For wiki pages with versions to import, existing versions must be
# deleted
for wikiWord in self.tempDb.execSqlQuerySingleColumn(
"""
select substr(unifName, 10)
from entries where unifName glob 'wikipage/*' and
renameImportTo == '' and not dontImport and importVersionData
union
select substr(renameImportTo, 10)
from entries where unifName glob 'wikipage/*' and
renameImportTo glob 'wikipage/*' and not dontImport and
importVersionData
"""):
if not wikiDoc.isDefinedWikiPageName(wikiWord):
continue
page = wikiDoc.getWikiPage(wikiWord)
versionOverview = page.getExistingVersionOverview()
if versionOverview is not None:
versionOverview.delete()
while True:
tag = self.importFile.readline()
if tag == u"":
# End of file
break
tag = tag[:-1] # Remove line end
try:
dontImport, renameImportTo = \
self.tempDb.execSqlQuery(
"select dontImport, renameImportTo from "
"entries where unifName = ?", (tag,))[0]
except IndexError:
# Maybe dangerous
traceback.print_exc()
self._skipContent()
continue
if dontImport:
self._skipContent()
continue
if renameImportTo == u"":
renameImportTo = tag
if tag.startswith(u"wikipage/"):
self._importItemWikiPageVer1Pass2(renameImportTo[9:])
elif tag.startswith(u"funcpage/"):
self._importItemFuncPageVer1Pass2(tag[9:])
elif tag.startswith(u"savedsearch/"):
self._importB64DatablockVer1Pass2(renameImportTo)
elif tag.startswith(u"savedpagesearch/"):
self._importHintedDatablockVer1Pass2(renameImportTo)
elif tag.startswith(u"versioning/"):
self._importHintedDatablockVer1Pass2(renameImportTo)
else:
# Unknown tag -> Ignore until separator
self._skipContent()
for wikiWord in self.tempDb.execSqlQuerySingleColumn(
"""
select substr(unifName, 10)
from entries where unifName glob 'wikipage/*' and
renamePresentTo == '' and importVersionData
union
select substr(renamePresentTo, 10)
from entries where unifName glob 'wikipage/*' and
renamePresentTo glob 'wikipage/*' and importVersionData
"""):
if not wikiDoc.isDefinedWikiPageName(wikiWord):
continue
page = wikiDoc.getWikiPage(wikiWord)
versionOverview = page.getExistingVersionOverview()
if versionOverview is not None:
versionOverview.readOverview()
def _importItemWikiPageVer1Pass2(self, wikiWord):
timeStampLine = self.importFile.readline()[:-1]
timeStrings = timeStampLine.split(u" ")
if len(timeStrings) < 3:
traceback.print_exc()
self._skipContent()
return # TODO Report error
timeStrings = timeStrings[:3]
try:
timeStrings = [str(ts) for ts in timeStrings]
except UnicodeEncodeError:
traceback.print_exc()
self._skipContent()
return # TODO Report error
try:
timeStamps = [timegm(time.strptime(ts, "%Y-%m-%d/%H:%M:%S"))
for ts in timeStrings]
except (ValueError, OverflowError):
traceback.print_exc()
self._skipContent()
return # TODO Report error
content = self._collectContent()
page = self.wikiDocument.getWikiPageNoError(wikiWord)
# TODO How to handle versions here?
page.replaceLiveText(content)
if page.getTxtEditor() is not None:
page.writeToDatabase()
page.setTimestamps(timeStamps)
def _importItemFuncPageVer1Pass2(self, subtag):
# The subtag is functional page tag
try:
# subtag is unicode but func tags are bytestrings
subtag = str(subtag)
except UnicodeEncodeError:
self._skipContent()
return
content = self._collectContent()
try:
page = self.wikiDocument.getFuncPage(subtag)
page.replaceLiveText(content)
except BadFuncPageTagException:
# This function tag is bad or unknown -> ignore
return # TODO Report error
def _importB64DatablockVer1Pass2(self, unifName):
# Content is base64 encoded
b64Content = self._collectContent()
try:
datablock = base64BlockDecode(b64Content)
self.wikiDocument.getWikiData().storeDataBlock(unifName, datablock,
storeHint=Consts.DATABLOCK_STOREHINT_INTERN)
except TypeError:
# base64 decoding failed
return # TODO Report error
def _importTextDatablockVer1Pass2(self, unifName):
content = self._collectContent()
try:
self.wikiDocument.getWikiData().storeDataBlock(unifName, content,
storeHint=Consts.DATABLOCK_STOREHINT_INTERN)
except TypeError:
return # TODO Report error
def _importHintedDatablockVer1Pass2(self, unifName):
"""
A hinted datablock starts with an extra line defining encoding
(text or B64) and storage hint. It was introduced later therefore
only versioning packets use this while saved searches don't.
"""
hintStrings, content = self._readHintedDatablockVer1()
if hintStrings is None:
return
# Set defaults
storeHint = Consts.DATABLOCK_STOREHINT_INTERN
# Process hints
for hint in hintStrings:
if hint.startswith(u"storeHint/"):
if hint[10:] == u"extern":
storeHint = Consts.DATABLOCK_STOREHINT_EXTERN
elif hint[10:] == u"intern":
storeHint = Consts.DATABLOCK_STOREHINT_INTERN
# No else. It is not vital to get the right storage hint
try:
if isinstance(content, unicode):
content = BOM_UTF8 + content.encode("utf-8")
self.wikiDocument.getWikiData().storeDataBlock(unifName, content,
storeHint=storeHint)
except TypeError:
traceback.print_exc()
return # TODO Report error
class MultiPageTextImporter:
def __init__(self, mainControl):
"""
mainControl -- Currently PersonalWikiFrame object
"""
self.mainControl = mainControl
def getImportTypes(self, guiparent):
"""
Return sequence of tuples with the description of import types provided
by this object. A tuple has the form (<imp. type>,
<human readable description>, <panel for add. options or None>)
If panels for additional options must be created, they should use
guiparent as parent
"""
if guiparent:
res = wx.xrc.XmlResource.Get()
mptPanel = res.LoadPanel(guiparent, "ImportSubMultipageText")
# ctrls = XrcControls(htmlPanel)
# config = self.mainControl.getConfig()
#
# ctrls.cbPicsAsLinks.SetValue(config.getboolean("main",
# "html_export_pics_as_links"))
# ctrls.chTableOfContents.SetSelection(config.getint("main",
# "export_table_of_contents"))
# ctrls.tfHtmlTocTitle.SetValue(config.get("main",
# "html_toc_title"))
else:
mptPanel = None
return ((u"multipage_text", _(u"Multipage text"), mptPanel), )
def getImportSourceWildcards(self, importType):
"""
If an export type is intended to go to a file, this function
returns a (possibly empty) sequence of tuples
(wildcard description, wildcard filepattern).
If an export type goes to a directory, None is returned
"""
if importType == u"multipage_text":
return ((_(u"Multipage files (*.mpt)"), "*.mpt"),
(_(u"Text file (*.txt)"), "*.txt"))
return None
def getAddOptVersion(self):
"""
Returns the version of the additional options information returned
by getAddOpt(). If the return value is -1, the version info can't
be stored between application sessions.
Otherwise, the addopt information can be stored between sessions
and can later handled back to the doImport method of the object
without previously showing the import dialog.
"""
return 0
def getAddOpt(self, addoptpanel):
"""
Reads additional options from panel addoptpanel.
If getAddOptVersion() > -1, the return value must be a sequence
of simple string, unicode and/or numeric objects. Otherwise, any object
can be returned (normally the addoptpanel itself)
"""
if addoptpanel is None:
return (0, )
else:
ctrls = XrcControls(addoptpanel)
showImportTableAlways = boolToInt(
ctrls.cbShowImportTableAlways.GetValue())
return (showImportTableAlways, )
def _collectContent(self):
"""
Collect lines from current position of importFile up to separator
or file end collect all lines and return them as list of lines.
"""
content = []
while True:
# Read lines of wikiword
line = self.importFile.readline()
if line == u"":
# The last page in mpt file without separator
# ends as the real wiki page
# content = u"".join(content)
break
if line == self.separator:
if len(content) > 0:
# Iff last line of mpt page is empty, the original
# page ended with a newline, so remove last
# character (=newline)
content[-1] = content[-1][:-1]
# content = u"".join(content)
break
content.append(line)
return u"".join(content)
def _skipContent(self):
"""
Skip content until reaching next separator or end of file
"""
while True:
# Read lines of wikiword
line = self.importFile.readline()
if line == u"":
# The last page in mpt file without separator
# ends as the real wiki page
break
if line == self.separator:
break
def doImport(self,
wikiDocument,
importType,
importSrc,
compatFilenames,
addOpt,
importData=None):
"""
Run import operation.
wikiDocument -- WikiDataManager object
importType -- string tag to identify how to import
importSrc -- Path to source directory or file to import from
compatFilenames -- Should the filenames be decoded from the lowest
level compatible?
addOpt -- additional options returned by getAddOpt()
importData -- if not None contains data to import as bytestring.
importSrc is ignored in this case. Needed for trashcan.
returns True if import was done (needed for trashcan)
"""
if importData is not None:
self.rawImportFile = StringIO(importData)
else:
try:
self.rawImportFile = open(pathEnc(importSrc), "rU")
except IOError:
raise ImportException(_(u"Opening import file failed"))
self.wikiDocument = wikiDocument
self.tempDb = None
showImportTableAlways = addOpt[0]
# wikiData = self.wikiDocument.getWikiData()
# TODO Do not stop on each import error, instead create error list and
# continue
try:
try:
# Wrap input file to convert format
bom = self.rawImportFile.read(len(BOM_UTF8))
if bom != BOM_UTF8:
self.rawImportFile.seek(0)
decodingReader = mbcsReader
decode = mbcsDec
else:
decodingReader = utf8Reader
decode = utf8Dec
line = decode(self.rawImportFile.readline())[0]
if line.startswith(u"#!"):
# Skip initial line with #! to allow execution as shell script
line = decode(self.rawImportFile.readline())[0]
if not line.startswith(u"Multipage text format "):
raise ImportException(
_(u"Bad file format, header not detected"))
# Following in the format identifier line is a version number
# of the file format
self.formatVer = int(line[22:-1])
if self.formatVer > 1:
raise ImportException(
_(u"File format number %i is not supported") %
self.formatVer)
# Next is the separator line
line = decode(self.rawImportFile.readline())[0]
if not line.startswith(u"Separator: "):
raise ImportException(
_(u"Bad file format, header not detected"))
self.separator = line[11:]
startPos = self.rawImportFile.tell()
self.importFile = decodingReader(self.rawImportFile, "replace")
if self.formatVer == 0:
self._doImportVer0()
elif self.formatVer == 1:
# Create temporary database. It is mainly filled during
# pass 1 to check for validity and other things before
# actual importing in pass 2
# TODO Respect settings for general temp location!!!
self.tempDb = ConnectWrapSyncCommit(sqlite3.connect(""))
try: # TODO: Remove column "collisionWithPresent", seems to be unused
self.tempDb.execSql(
"create table entries("
"unifName text primary key not null, " # Unified name in import file
"seen integer not null default 0, " # data really exists
"dontImport integer not null default 0, " # don't import this (set between pass 1 and 2)
"missingDep integer not null default 0, " # missing dependency(ies)
"importVersionData integer not null default 0, " # versioning data present
# "neededBy text default '',"
# "versionContentDifferencing text default '',"
"collisionWithPresent text not null default ''," # Unif. name of present entry which collides with imported one (if any)
"renameImportTo text not null default ''," # Rename imported element to (if at all)
"renamePresentTo text not null default ''" # Rename present element in database to (if at all)
");")
# Dependencies. If unifName isn't imported (or faulty), neededBy shouldn't be either
self.tempDb.execSql(
"create table depgraph("
"unifName text not null default '',"
"neededBy text not null default '',"
"constraint depgraphpk primary key (unifName, neededBy)"
");")
# Recursive processing is not supported for this table
self.tempDb.execSql(
"create table renamegraph("
"unifName text not null default '',"
"dependent text not null default '',"
"constraint renamegraphpk primary key (unifName, dependent),"
"constraint renamegraphsingledep unique (dependent)"
");")
# Collect some initial information into the temporary database
self._doImportVer1Pass1()
# Draw some logical conclusions on the temp db
self._markMissingDependencies()
self._markHasVersionData()
self._markCollision()
# Now ask user if necessary
if showImportTableAlways or self._isUserNeeded():
if not self._doUserDecision():
# Canceled by user
return False
# Further logical processing after possible user editing
self._markNonImportedVersionsData()
self._markNonImportedDependencies()
self._propagateRenames()
# TODO: Remove version data without ver. overview or main data
# Back to start of import file and import according to settings
# in temp db
self.rawImportFile.seek(startPos)
self.importFile = decodingReader(
self.rawImportFile, "replace")
self._doImportVer1Pass2()
return True
finally:
self.tempDb.close()
self.tempDb = None
except ImportException:
raise
except Exception, e:
traceback.print_exc()
raise ImportException(unicode(e))
finally:
self.rawImportFile.close()
def _markMissingDependencies(self):
"""
If a datablock wasn't present, all dependent data blocks are marked as
not to import
"""
while True:
self.tempDb.execSql("""
update entries set missingDep=1, dontImport=1 where (not missingDep) and
unifName in (select depgraph.neededBy from depgraph inner join
entries on depgraph.unifName = entries.unifName where
(not entries.seen) or entries.missingDep);
""")
if self.tempDb.rowcount == 0:
break
def _markHasVersionData(self):
"""
Mark if version data present
"""
self.tempDb.execSql("""
update entries set importVersionData=1 where (not importVersionData) and
unifName in (select substr(unifName, 21) from entries where
unifName glob 'versioning/overview/*' and not dontImport)
""") # TODO Take missing deps into account here?
# self.tempDb.execSql("insert or replace into entries(unifName, importVersionData) "
# "values (?, 1)", (depunifName,))
def _markCollision(self):
"""
Mark collisions between existing and data blocks and such to import
"""
# First find collisions with wiki words
for wikipageUnifName in self.tempDb.execSqlQuerySingleColumn(
"select unifName from entries where unifName glob 'wikipage/*' "
"and not dontImport"):
wpName = wikipageUnifName[9:]
if not self.wikiDocument.isDefinedWikiPageName(wpName):
continue
self.tempDb.execSql(
"update entries set collisionWithPresent = ? "
"where unifName = ?", (wikipageUnifName, wikipageUnifName))
# (u"wikipage/" + collisionWithPresent, wikipageUnifName))
# Then find other collisions (saved searches etc.)
for unifName in self.tempDb.execSqlQuerySingleColumn(
"select unifName from entries where (unifName glob 'savedsearch/*' "
"or unifName glob 'savedpagesearch/*') and not dontImport"):
if self.wikiDocument.hasDataBlock(unifName):
self.tempDb.execSql(
"update entries set collisionWithPresent = ? "
"where unifName = ?", (unifName, unifName))
def _markNonImportedVersionsData(self):
"""
After user dialog: If importVersionData is false for some entries
the depending version data shouldn't be imported.
Only the versioning overview is marked for not importing. The next step
propagates this to the other data blocks
"""
self.tempDb.execSql("""
update entries set dontImport = 1 where
unifName in (select 'versioning/overview/' || unifName from
entries where not importVersionData)
""")
# # Vice versa the importVersionData column must be updated if
# self.tempDb.execSql("""
# update entries set importVersionData = 0 where importVersionData
# and ('versioning/overview/' || unifName) in (select unifName
# from entries where dontImport)
# """)
def _markNonImportedDependencies(self):
"""
After user dialog: If some data blocks where chosen not to import
mark all dependent blocks to not import also (especially version data)
"""
while True:
self.tempDb.execSql("""
update entries set dontImport=1 where (not dontImport) and
unifName in (select depgraph.neededBy from depgraph inner join
entries on depgraph.unifName = entries.unifName where
entries.dontImport);
""")
if self.tempDb.rowcount == 0:
break
def _propagateRenames(self):
"""
Write rename commands for imported items to all parts to import
if some parts need renaming. Renaming of present items is not propagated.
"""
for unifName, renImportTo in self.tempDb.execSqlQuery(
"select unifName, renameImportTo from entries "
"where renameImportTo != '' and not dontImport"):
for depUnifName in self.tempDb.execSqlQuerySingleColumn(
"select dependent from renamegraph where unifName = ? and "
"dependent in (select unifName from entries where "
"not dontImport)", (unifName, )):
if depUnifName.endswith(unifName):
newName = depUnifName[:-len(unifName)] + renImportTo
self.tempDb.execSql(
"""
update entries set renameImportTo=? where unifName = ?
""", (newName, depUnifName))
def _doUserDecision(self):
"""
Called to present GUI to user for deciding what to do.
This method is overwritten for trashcan GUI.
Returns False if user canceled operation
"""
return MultiPageTextImporterDialog.runModal(self.mainControl,
self.tempDb,
self.mainControl)
def _isUserNeeded(self):
"""
Decide if a dialog must be shown to ask user how to proceed.
Under some circumstances the dialog may be shown regardless of the result.
"""
if self.tempDb.execSqlQuerySingleItem(
"select missingDep from entries "
"where missingDep limit 1",
default=False):
# Missing dependency
return True
if len(
self.tempDb.execSqlQuerySingleItem(
"select collisionWithPresent "
"from entries where collisionWithPresent != '' limit 1",
default=u"")) > 0:
# Name collision
return True
# No problems found
return False
def _doImportVer0(self):
"""
Import wikiwords if format version is 0.
"""
langHelper = wx.GetApp().createWikiLanguageHelper(
self.wikiDocument.getWikiDefaultWikiLanguage())
while True:
# Read next wikiword
line = self.importFile.readline()
if line == u"":
break
wikiWord = line[:-1]
errMsg = langHelper.checkForInvalidWikiWord(
wikiWord, self.wikiDocument)
if errMsg:
raise ImportException(
_(u"Bad wiki word: %s, %s") % (wikiWord, errMsg))
content = self._collectContent()
page = self.wikiDocument.getWikiPageNoError(wikiWord)
page.replaceLiveText(content)
def _doImportVer1Pass1(self):
while True:
tag = self.importFile.readline()
if tag == u"":
# End of file
break
tag = tag[:-1]
if tag.startswith(u"funcpage/"):
self._skipContent()
elif tag.startswith(u"savedsearch/"):
self._skipContent()
elif tag.startswith(u"savedpagesearch/"):
self._skipContent()
elif tag.startswith(u"wikipage/"):
self._skipContent()
elif tag.startswith(u"versioning/overview/"):
self._doImportItemVersioningOverviewVer1Pass1(tag[20:])
elif tag.startswith(u"versioning/packet/versionNo/"):
self._skipContent()
else:
# Unknown tag -> Ignore until separator
self._skipContent()
continue
self.tempDb.execSql(
"insert or replace into entries(unifName, seen) "
"values (?, 1)", (tag, ))
def _readHintedDatablockVer1(self):
"""
Reads datablock and preprocesses encoding if necessary.
Returns either (hintStrings, content) or (None, None) if either
an unknown important hint was found or if encoding had an error.
hintStrings is a list of hints (as unistrings) which were
not processed by the function (therefore encoding hint is removed).
content can be a bytestring or a unistring.
If (None, None) is returned, the remaining content of the entry
was skipped already by the function.
"""
hintLine = self.importFile.readline()[:-1]
hintStrings = hintLine.split(u" ")
resultHintStrings = []
# Set default
useB64 = False
# Process hints
for hint in hintStrings:
if hint.startswith(u"important/encoding/"):
if hint[19:] == u"text":
useB64 = False
elif hint[19:] == u"base64":
useB64 = True
else:
# Unknown encoding: don't read further
self._skipContent()
return None, None
elif hint.startswith(u"important/"):
# There is something important we do not understand
self._skipContent()
return None, None
else:
resultHintStrings.append(hint)
content = self._collectContent()
if useB64:
try:
content = base64BlockDecode(content)
except TypeError:
# base64 decoding failed
self._skipContent()
return None, None
return (resultHintStrings, content)
def _doImportItemVersioningOverviewVer1Pass1(self, subtag):
hintStrings, content = self._readHintedDatablockVer1()
if content is None:
return
# Always encode to UTF-8 no matter what the import file encoding is
content = content.encode("utf-8")
try:
ovw = Versioning.VersionOverview(self.wikiDocument,
unifiedBasePageName=subtag)
ovw.readOverviewFromBytes(content)
ovwUnifName = ovw.getUnifiedName()
self.tempDb.execSql(
"insert or replace into depgraph(unifName, neededBy) "
"values (?, ?)", (subtag, ovwUnifName))
self.tempDb.execSql(
"insert or replace into renamegraph(unifName, dependent) "
"values (?, ?)", (subtag, ovwUnifName))
for depUnifName in ovw.getDependentDataBlocks(omitSelf=True):
# Mutual dependency between version overview and each version packet
self.tempDb.execSql(
"insert or replace into depgraph(unifName, neededBy) "
"values (?, ?)", (depUnifName, ovwUnifName))
self.tempDb.execSql(
"insert or replace into depgraph(unifName, neededBy) "
"values (?, ?)", (ovwUnifName, depUnifName))
self.tempDb.execSql(
"insert or replace into renamegraph(unifName, dependent) "
"values (?, ?)", (subtag, depUnifName))
# self.tempDb.execSql("insert or replace into entries(unifName, needed) "
# "values (?, 1)", (depUnifName,))
except VersioningException:
return
def _doImportVer1Pass2(self):
wikiDoc = self.wikiDocument
# We have to rename present items
# First wikipages because this automatically renames depending version data
for pageFrom, pageTo in self.tempDb.execSqlQuery("""
select substr(unifName, 10), substr(renamePresentTo, 10)
from entries where unifName glob 'wikipage/*' and
renamePresentTo glob 'wikipage/*'
"""):
if wikiDoc.isDefinedWikiPageName(pageFrom):
wikiDoc.renameWikiWords({pageFrom: pageTo},
Consts.ModifyText.off)
# TODO How to handle rename of home page?
# Then remaining data blocks
for oldUnifName, newUnifName in self.tempDb.execSqlQuery("""
select unifName, renamePresentTo
from entries where unifName not glob 'wikipage/*' and
renamePresentTo != ''
"""):
wikiDoc.renameDataBlock(oldUnifName, newUnifName)
# For wiki pages with versions to import, existing versions must be
# deleted
for wikiWord in self.tempDb.execSqlQuerySingleColumn("""
select substr(unifName, 10)
from entries where unifName glob 'wikipage/*' and
renameImportTo == '' and not dontImport and importVersionData
union
select substr(renameImportTo, 10)
from entries where unifName glob 'wikipage/*' and
renameImportTo glob 'wikipage/*' and not dontImport and
importVersionData
"""):
if not wikiDoc.isDefinedWikiPageName(wikiWord):
continue
page = wikiDoc.getWikiPage(wikiWord)
versionOverview = page.getExistingVersionOverview()
if versionOverview is not None:
versionOverview.delete()
while True:
tag = self.importFile.readline()
if tag == u"":
# End of file
break
tag = tag[:-1] # Remove line end
try:
dontImport, renameImportTo = \
self.tempDb.execSqlQuery(
"select dontImport, renameImportTo from "
"entries where unifName = ?", (tag,))[0]
except IndexError:
# Maybe dangerous
traceback.print_exc()
self._skipContent()
continue
if dontImport:
self._skipContent()
continue
if renameImportTo == u"":
renameImportTo = tag
if tag.startswith(u"wikipage/"):
self._importItemWikiPageVer1Pass2(renameImportTo[9:])
elif tag.startswith(u"funcpage/"):
self._importItemFuncPageVer1Pass2(tag[9:])
elif tag.startswith(u"savedsearch/"):
self._importB64DatablockVer1Pass2(renameImportTo)
elif tag.startswith(u"savedpagesearch/"):
self._importHintedDatablockVer1Pass2(renameImportTo)
elif tag.startswith(u"versioning/"):
self._importHintedDatablockVer1Pass2(renameImportTo)
else:
# Unknown tag -> Ignore until separator
self._skipContent()
for wikiWord in self.tempDb.execSqlQuerySingleColumn("""
select substr(unifName, 10)
from entries where unifName glob 'wikipage/*' and
renamePresentTo == '' and importVersionData
union
select substr(renamePresentTo, 10)
from entries where unifName glob 'wikipage/*' and
renamePresentTo glob 'wikipage/*' and importVersionData
"""):
if not wikiDoc.isDefinedWikiPageName(wikiWord):
continue
page = wikiDoc.getWikiPage(wikiWord)
versionOverview = page.getExistingVersionOverview()
if versionOverview is not None:
versionOverview.readOverview()
def _importItemWikiPageVer1Pass2(self, wikiWord):
timeStampLine = self.importFile.readline()[:-1]
timeStrings = timeStampLine.split(u" ")
if len(timeStrings) < 3:
traceback.print_exc()
self._skipContent()
return # TODO Report error
timeStrings = timeStrings[:3]
try:
timeStrings = [str(ts) for ts in timeStrings]
except UnicodeEncodeError:
traceback.print_exc()
self._skipContent()
return # TODO Report error
try:
timeStamps = [
timegm(time.strptime(ts, "%Y-%m-%d/%H:%M:%S"))
for ts in timeStrings
]
except (ValueError, OverflowError):
traceback.print_exc()
self._skipContent()
return # TODO Report error
content = self._collectContent()
page = self.wikiDocument.getWikiPageNoError(wikiWord)
# TODO How to handle versions here?
page.replaceLiveText(content)
if page.getTxtEditor() is not None:
page.writeToDatabase()
page.setTimestamps(timeStamps)
def _importItemFuncPageVer1Pass2(self, subtag):
# The subtag is functional page tag
try:
# subtag is unicode but func tags are bytestrings
subtag = str(subtag)
except UnicodeEncodeError:
self._skipContent()
return
content = self._collectContent()
try:
page = self.wikiDocument.getFuncPage(subtag)
page.replaceLiveText(content)
except BadFuncPageTagException:
# This function tag is bad or unknown -> ignore
return # TODO Report error
def _importB64DatablockVer1Pass2(self, unifName):
# Content is base64 encoded
b64Content = self._collectContent()
try:
datablock = base64BlockDecode(b64Content)
self.wikiDocument.getWikiData().storeDataBlock(
unifName,
datablock,
storeHint=Consts.DATABLOCK_STOREHINT_INTERN)
except TypeError:
# base64 decoding failed
return # TODO Report error
def _importTextDatablockVer1Pass2(self, unifName):
content = self._collectContent()
try:
self.wikiDocument.getWikiData().storeDataBlock(
unifName, content, storeHint=Consts.DATABLOCK_STOREHINT_INTERN)
except TypeError:
return # TODO Report error
def _importHintedDatablockVer1Pass2(self, unifName):
"""
A hinted datablock starts with an extra line defining encoding
(text or B64) and storage hint. It was introduced later therefore
only versioning packets use this while saved searches don't.
"""
hintStrings, content = self._readHintedDatablockVer1()
if hintStrings is None:
return
# Set defaults
storeHint = Consts.DATABLOCK_STOREHINT_INTERN
# Process hints
for hint in hintStrings:
if hint.startswith(u"storeHint/"):
if hint[10:] == u"extern":
storeHint = Consts.DATABLOCK_STOREHINT_EXTERN
elif hint[10:] == u"intern":
storeHint = Consts.DATABLOCK_STOREHINT_INTERN
# No else. It is not vital to get the right storage hint
try:
if isinstance(content, unicode):
content = BOM_UTF8 + content.encode("utf-8")
self.wikiDocument.getWikiData().storeDataBlock(unifName,
content,
storeHint=storeHint)
except TypeError:
traceback.print_exc()
return # TODO Report error
def doImport(self, wikiDocument, importType, importSrc,
compatFilenames, addOpt, importData=None):
"""
Run import operation.
wikiDocument -- WikiDataManager object
importType -- string tag to identify how to import
importSrc -- Path to source directory or file to import from
compatFilenames -- Should the filenames be decoded from the lowest
level compatible?
addOpt -- additional options returned by getAddOpt()
importData -- if not None contains data to import as bytestring.
importSrc is ignored in this case. Needed for trashcan.
returns True if import was done (needed for trashcan)
"""
if importData is not None:
self.rawImportFile = StringIO(importData)
else:
try:
self.rawImportFile = open(pathEnc(importSrc), "rU")
except IOError:
raise ImportException(_(u"Opening import file failed"))
self.wikiDocument = wikiDocument
self.tempDb = None
showImportTableAlways = addOpt[0]
# wikiData = self.wikiDocument.getWikiData()
# TODO Do not stop on each import error, instead create error list and
# continue
try:
try:
# Wrap input file to convert format
bom = self.rawImportFile.read(len(BOM_UTF8))
if bom != BOM_UTF8:
self.rawImportFile.seek(0)
decodingReader = mbcsReader
decode = mbcsDec
else:
decodingReader = utf8Reader
decode = utf8Dec
line = decode(self.rawImportFile.readline())[0]
if line.startswith(u"#!"):
# Skip initial line with #! to allow execution as shell script
line = decode(self.rawImportFile.readline())[0]
if not line.startswith(u"Multipage text format "):
raise ImportException(
_(u"Bad file format, header not detected"))
# Following in the format identifier line is a version number
# of the file format
self.formatVer = int(line[22:-1])
if self.formatVer > 1:
raise ImportException(
_(u"File format number %i is not supported") %
self.formatVer)
# Next is the separator line
line = decode(self.rawImportFile.readline())[0]
if not line.startswith(u"Separator: "):
raise ImportException(
_(u"Bad file format, header not detected"))
self.separator = line[11:]
startPos = self.rawImportFile.tell()
self.importFile = decodingReader(self.rawImportFile, "replace")
if self.formatVer == 0:
self._doImportVer0()
elif self.formatVer == 1:
# Create temporary database. It is mainly filled during
# pass 1 to check for validity and other things before
# actual importing in pass 2
# TODO Respect settings for general temp location!!!
self.tempDb = ConnectWrapSyncCommit(sqlite3.connect(""))
try: # TODO: Remove column "collisionWithPresent", seems to be unused
self.tempDb.execSql("create table entries("
"unifName text primary key not null, " # Unified name in import file
"seen integer not null default 0, " # data really exists
"dontImport integer not null default 0, " # don't import this (set between pass 1 and 2)
"missingDep integer not null default 0, " # missing dependency(ies)
"importVersionData integer not null default 0, " # versioning data present
# "neededBy text default '',"
# "versionContentDifferencing text default '',"
"collisionWithPresent text not null default ''," # Unif. name of present entry which collides with imported one (if any)
"renameImportTo text not null default ''," # Rename imported element to (if at all)
"renamePresentTo text not null default ''" # Rename present element in database to (if at all)
");"
)
# Dependencies. If unifName isn't imported (or faulty), neededBy shouldn't be either
self.tempDb.execSql("create table depgraph("
"unifName text not null default '',"
"neededBy text not null default '',"
"constraint depgraphpk primary key (unifName, neededBy)"
");"
)
# Recursive processing is not supported for this table
self.tempDb.execSql("create table renamegraph("
"unifName text not null default '',"
"dependent text not null default '',"
"constraint renamegraphpk primary key (unifName, dependent),"
"constraint renamegraphsingledep unique (dependent)"
");"
)
# Collect some initial information into the temporary database
self._doImportVer1Pass1()
# Draw some logical conclusions on the temp db
self._markMissingDependencies()
self._markHasVersionData()
self._markCollision()
# Now ask user if necessary
if showImportTableAlways or self._isUserNeeded():
if not self._doUserDecision():
# Canceled by user
return False
# Further logical processing after possible user editing
self._markNonImportedVersionsData()
self._markNonImportedDependencies()
self._propagateRenames()
# TODO: Remove version data without ver. overview or main data
# Back to start of import file and import according to settings
# in temp db
self.rawImportFile.seek(startPos)
self.importFile = decodingReader(self.rawImportFile, "replace")
self._doImportVer1Pass2()
return True
finally:
self.tempDb.close()
self.tempDb = None
except ImportException:
raise
except Exception, e:
traceback.print_exc()
raise ImportException(unicode(e))
finally:
self.rawImportFile.close()
def doImport(self,
wikiDocument,
importType,
importSrc,
compatFilenames,
addOpt,
importData=None):
"""
Run import operation.
wikiDocument -- WikiDataManager object
importType -- string tag to identify how to import
importSrc -- Path to source directory or file to import from
compatFilenames -- Should the filenames be decoded from the lowest
level compatible?
addOpt -- additional options returned by getAddOpt()
importData -- if not None contains data to import as bytestring.
importSrc is ignored in this case. Needed for trashcan.
returns True if import was done (needed for trashcan)
"""
if importData is not None:
self.rawImportFile = StringIO(importData)
else:
try:
self.rawImportFile = open(pathEnc(importSrc), "rU")
except IOError:
raise ImportException(_(u"Opening import file failed"))
self.wikiDocument = wikiDocument
self.tempDb = None
showImportTableAlways = addOpt[0]
# wikiData = self.wikiDocument.getWikiData()
# TODO Do not stop on each import error, instead create error list and
# continue
try:
try:
# Wrap input file to convert format
bom = self.rawImportFile.read(len(BOM_UTF8))
if bom != BOM_UTF8:
self.rawImportFile.seek(0)
decodingReader = mbcsReader
decode = mbcsDec
else:
decodingReader = utf8Reader
decode = utf8Dec
line = decode(self.rawImportFile.readline())[0]
if line.startswith(u"#!"):
# Skip initial line with #! to allow execution as shell script
line = decode(self.rawImportFile.readline())[0]
if not line.startswith(u"Multipage text format "):
raise ImportException(
_(u"Bad file format, header not detected"))
# Following in the format identifier line is a version number
# of the file format
self.formatVer = int(line[22:-1])
if self.formatVer > 1:
raise ImportException(
_(u"File format number %i is not supported") %
self.formatVer)
# Next is the separator line
line = decode(self.rawImportFile.readline())[0]
if not line.startswith(u"Separator: "):
raise ImportException(
_(u"Bad file format, header not detected"))
self.separator = line[11:]
startPos = self.rawImportFile.tell()
self.importFile = decodingReader(self.rawImportFile, "replace")
if self.formatVer == 0:
self._doImportVer0()
elif self.formatVer == 1:
# Create temporary database. It is mainly filled during
# pass 1 to check for validity and other things before
# actual importing in pass 2
# TODO Respect settings for general temp location!!!
self.tempDb = ConnectWrapSyncCommit(sqlite3.connect(""))
try: # TODO: Remove column "collisionWithPresent", seems to be unused
self.tempDb.execSql(
"create table entries("
"unifName text primary key not null, " # Unified name in import file
"seen integer not null default 0, " # data really exists
"dontImport integer not null default 0, " # don't import this (set between pass 1 and 2)
"missingDep integer not null default 0, " # missing dependency(ies)
"importVersionData integer not null default 0, " # versioning data present
# "neededBy text default '',"
# "versionContentDifferencing text default '',"
"collisionWithPresent text not null default ''," # Unif. name of present entry which collides with imported one (if any)
"renameImportTo text not null default ''," # Rename imported element to (if at all)
"renamePresentTo text not null default ''" # Rename present element in database to (if at all)
");")
# Dependencies. If unifName isn't imported (or faulty), neededBy shouldn't be either
self.tempDb.execSql(
"create table depgraph("
"unifName text not null default '',"
"neededBy text not null default '',"
"constraint depgraphpk primary key (unifName, neededBy)"
");")
# Recursive processing is not supported for this table
self.tempDb.execSql(
"create table renamegraph("
"unifName text not null default '',"
"dependent text not null default '',"
"constraint renamegraphpk primary key (unifName, dependent),"
"constraint renamegraphsingledep unique (dependent)"
");")
# Collect some initial information into the temporary database
self._doImportVer1Pass1()
# Draw some logical conclusions on the temp db
self._markMissingDependencies()
self._markHasVersionData()
self._markCollision()
# Now ask user if necessary
if showImportTableAlways or self._isUserNeeded():
if not self._doUserDecision():
# Canceled by user
return False
# Further logical processing after possible user editing
self._markNonImportedVersionsData()
self._markNonImportedDependencies()
self._propagateRenames()
# TODO: Remove version data without ver. overview or main data
# Back to start of import file and import according to settings
# in temp db
self.rawImportFile.seek(startPos)
self.importFile = decodingReader(
self.rawImportFile, "replace")
self._doImportVer1Pass2()
return True
finally:
self.tempDb.close()
self.tempDb = None
except ImportException:
raise
except Exception, e:
traceback.print_exc()
raise ImportException(unicode(e))
finally:
self.rawImportFile.close()