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# Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
#
# This program 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; version 2 of the
# License.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
# 02110-1301 USA
from __future__ import with_statement
# import the mforms module for GUI stuff
import mforms
import grt
import sys, os, platform, subprocess
os_icon_suffix = ""
if sys.platform=="darwin":
os_icon_suffix = "_mac"
from mforms import newButton, newCheckBox, newTreeNodeView
from mforms import FileChooser
from datetime import datetime
try:
import _subprocess
except ImportError:
pass
from workbench.log import log_error, log_debug, log_info
def showImporter(editor, schema):
importer = SpatialImporterWizard(editor)
importer.set_schema(schema)
importer.run()
def handleContextMenu(name, sender, args):
return #we hide it for now
menu = mforms.fromgrt(args['menu'])
selection = args['selection']
# Add extra menu items to the SQL editor live schema tree context menu
schemas_selected = None
for s in selection:
if s.type == 'db.Schema':
schemas_selected = s.name
break
else:
return
item = mforms.newMenuItem("Load Spatial Data")
item.add_clicked_callback(lambda sender=sender : showImporter(sender, schemas_selected))
menu.insert_item(0, item)
menu.add_separator()
def cmd_executor(cmd):
p1 = None
if platform.system() != "Windows":
try:
p1 = subprocess.Popen("exec " + cmd, stdout = subprocess.PIPE, stderr=subprocess.PIPE, shell = True)
except OSError, exc:
log_error("Error executing command %s\n%s\n" % (cmd, exc));
import traceback
traceback.print_ext()
else:
try:
info = subprocess.STARTUPINFO()
info.dwFlags |= _subprocess.STARTF_USESHOWWINDOW
info.wShowWindow = _subprocess.SW_HIDE
# Command line can contain object names in case of export and filename in case of import
# Object names must be in utf-8 but filename must be encoded in the filesystem encoding,
# which probably isn't utf-8 in windows.
cmd = cmd.encode("utf8") if isinstance(cmd,unicode) else cmd
log_debug("Executing command: %s\n" % cmd)
p1 = subprocess.Popen(cmd, stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.PIPE,startupinfo=info,shell=True)
except OSError, exc:
log_error("Error executing command %s\n%s\n" % (cmd, exc))
import traceback
traceback.print_exc()
p1 = None
return p1
class SpatialImporter:
def __init__(self):
self.import_table = None
self.selected_fields = None
self.process_handle = None
self.import_overwrite = False
self.import_append = False
self.my_host = None
self.my_pwd = None
self.my_user = None
self.my_port = 3306
self.my_schema = None
self.filepath = None
self.skipfailures = False
self.features_per_transcation = 200
self.my_geo_column = "shape"
self.abort_requested = False
self.is_running = False
self.returncode = None
def execute_cmd(self, cmd, progress_notify):
p1 = cmd_executor(cmd)
self.process_handle = p1
pct = 0.0
progress_notify(pct, "0 %")
while p1 and p1.returncode is None:
p1.poll()
char = p1.stdout.read(1)
if char == "0":
continue
else:
if char == ".":
pct = pct + 0.03
else:
try:
num = float(char)
except ValueError:
#it means that child process pass away, we can do nothing with it
break
if num == 1.0 and pct > 3.0:
progress_notify(pct, "Finished")
break
pct = num/10.0
progress_notify(pct, "%d %%" % int(pct * 100))
sout, serr = p1.communicate()
self.returncode = p1.returncode
if self.returncode !=0:
if serr != "":
raise Exception(serr)
raise grt.UserInterrupt()
def print_log_message(self, msg):
print msg
def kill(self):
self.abort_requested = True
if self.process_handle:
if platform.system() == 'Windows':
cmd = "taskkill /F /T /PID %i" % self.process_handle.pid
log_debug("Killing task: %s\n" % cmd)
subprocess.Popen(cmd , shell=True)
else:
import signal
try:
log_debug("Sending SIGTERM to task %s\n" % self.process_handle.pid)
os.kill(self.process_handle.pid, signal.SIGTERM)
except OSError, exc:
log_error("Exception sending SIGTERM to task: %s\n" % exc)
self.print_log_message("kill task: %s" % str(exc))
def run(self, progress_notify):
cmd_args = {}
cmd_args['host'] = self.my_host
cmd_args['schema'] = self.my_schema
cmd_args['user'] = self.my_user
cmd_args['pwd'] = self.my_pwd
cmd_args['port'] = self.my_port
cmd_args['features_per_transcation'] = self.features_per_transcation
if self.import_table:
cmd_args['table_name'] = " -nln %s" % self.import_table
else:
cmd_args['table_name'] = ""
cmd_args['opts'] = "-lco GEOMETRY_NAME=%s" % self.my_geo_column
if self.skipfailures:
cmd_args['opts'] = cmd_args['opts'] + " -skipfailures"
if self.import_append:
cmd_args['opts'] = cmd_args['opts'] + " -append"
if self.import_overwrite:
cmd_args['opts'] = cmd_args['opts'] + " -overwrite"
if self.selected_fields:
cmd_args['opts'] = cmd_args['opts'] + " -select " + self.selected_fields
cmd_args['filepath'] = self.filepath
cmd = """ogr2ogr -f "MySQL" MySQL:"%(schema)s,host=%(host)s,user=%(user)s,password=%(pwd)s,port=%(port)d" %(filepath)s %(table_name)s %(opts)s -progress -gt %(features_per_transcation)d -lco ENGINE=InnoDb -lco SPATIAL_INDEX=NO""" % cmd_args
self.is_running = True
try:
self.execute_cmd(cmd, progress_notify)
except grt.UserInterrupt:
log_info("User cancelled")
raise
except Exception, exc:
import traceback
log_error("An error occurred during execution of ogr2ogr file import: %s, stack: %s\n" % (exc, traceback.format_exc()))
raise
self.is_running = False
from workbench.ui import WizardForm, WizardPage, WizardProgressPage
class SelectFileWizardPage(WizardPage):
def __init__(self, owner):
WizardPage.__init__(self, owner, "Select File to Import", wide=True)
self.schema_label = mforms.newLabel("Target schema: ")
self.back_button.set_enabled(False)
def create_ui(self):
self.set_spacing(16)
self.content.add(self.schema_label, False, True)
entry_box = mforms.newBox(True)
entry_box.set_spacing(5)
entry_box.add(mforms.newLabel("File Path:"), False, True)
self.shapefile_path = mforms.newTextEntry()
entry_box.add(self.shapefile_path, True, True)
self.shapefile_browse_btn = newButton()
self.shapefile_browse_btn.set_text("Browse...")
self.shapefile_browse_btn.add_clicked_callback(self.shapefile_browse)
entry_box.add(self.shapefile_browse_btn, False, False)
self.content.add(entry_box, False, True)
label = mforms.newLabel("""Select a shapefile containing spatial data to load into MySQL.
A new table with the imported fields will be created in the selected schema,
unless the append or update options are specified.""")
self.content.add(label, False, False)
self.dbf_box = mforms.newBox(True)
self.dbf_box.set_spacing(8)
self.dbf_icon = mforms.newImageBox()
self.dbf_icon.set_image("task_unchecked%s.png" % os_icon_suffix)
self.dbf_box.add(self.dbf_icon, False, True)
dbf_label = mforms.newLabel("Check if dbf file is present")
self.dbf_box.add(dbf_label, True, True)
self.dbf_box.show(True)
self.content.add(self.dbf_box, False, True)
self.proj_box = mforms.newBox(True)
self.proj_box.set_spacing(8)
self.proj_icon = mforms.newImageBox()
self.proj_icon.set_image("task_unchecked%s.png" % os_icon_suffix)
self.proj_box.add(self.proj_icon, False, True)
proj_label = mforms.newLabel("Check if prj file is present")
self.proj_box.add(proj_label, True, True)
self.proj_box.show(True)
self.content.add(self.proj_box, False, True)
self.warning_srs = mforms.newLabel("")
self.content.add(self.warning_srs, False, True)
def go_cancel(self):
self.main.cancel()
def validate(self):
filepath = self.shapefile_path.get_string_value()
if not os.path.isfile(filepath):
mforms.Utilities.show_error("Invalid Path", "Please specify a valid file path.", "OK", "", "")
return False
return True
def shapefile_browse(self):
filechooser = FileChooser(mforms.OpenFile)
filechooser.set_directory(os.path.dirname(self.shapefile_path.get_string_value()))
filechooser.set_extensions("Spatial Shape File (*.shp)|*.shp", "shp");
if filechooser.run_modal():
filepath = filechooser.get_path()
filename = os.path.splitext(os.path.basename(filepath))[0]
self.shapefile_path.set_value(filepath)
if os.path.isfile("".join([os.path.dirname(filepath),"/",filename,".dbf"])):
self.dbf_icon.set_image("task_checked%s.png" % os_icon_suffix)
else:
self.dbf_icon.set_image("task_warning%s.png" % os_icon_suffix)
if os.path.isfile("".join([os.path.dirname(filepath),"/",filename,".prj"])):
self.proj_icon.set_image("task_checked%s.png" % os_icon_suffix)
else:
self.proj_icon.set_image("task_warning%s.png" % os_icon_suffix)
self.warning_srs.set_text("Projection file not found, assuming WGS84 Spatial Reference System")
def small_label(text):
l = mforms.newLabel(text)
l.set_style(mforms.SmallHelpTextStyle)
return l
class ContentPreviewPage(WizardPage):
def __init__(self, owner):
WizardPage.__init__(self, owner, "Import Options", wide=True)
self.layer_name = None
self.column_list = []
def get_path(self):
return self.main.select_file_page.shapefile_path.get_string_value()
def get_info(self):
cmd = "ogrinfo -al -so %s" % self.get_path()
p1 = cmd_executor(cmd)
sout, serr = p1.communicate(input)
import re
p = re.compile("^(\w+):\s(\w+)\s\(([0-9\.]+)\)", re.IGNORECASE)
for line in sout.splitlines():
if line.startswith("Layer name: "):
self.layer_name_lbl.set_text(line.split(':')[1].strip())
self.layer_name = line.split(':')[1].strip()
self.table_name.set_value(line.split(':')[1].strip())
else:
m = p.match(line)
if m is not None:
row = self.column_list.add_node()
row.set_bool(0, True)
row.set_string(1, m.group(1))
def go_cancel(self):
self.main.cancel()
def validate(self):
sfields = self.get_fields()
if len(sfields) == 0:
mforms.Utilities.show_error("Missing columns", "Please specify at least one column to import.", "OK")
return False
table_name = self.table_name.get_string_value()
if len(table_name) < 1:
if mforms.ResultOk == mforms.Utilities.show_error("Invalid Table Name ", "Please specify a destination table name.", "Use Layer Name", "Cancel", ""):
self.table_name.set_value(self.layer_name)
return True
return False
return True
def get_fields(self):
fields = []
for i in range(self.column_list.count()):
node = self.column_list.node_at_row(i)
if node.get_bool(0):
fields.append(node.get_string(1))
return fields
def create_ui(self):
self.set_spacing(16)
self.content.set_padding(16)
layer_box = mforms.newBox(True)
layer_box.set_spacing(16)
layer_heading = mforms.newLabel("Layer name:")
layer_box.add(layer_heading, False, False)
self.layer_name_lbl = mforms.newLabel("")
layer_box.add(self.layer_name_lbl, False, False)
self.content.add(layer_box, False, False)
entry_box = mforms.newBox(True)
entry_box.set_spacing(12)
entry_box.add(mforms.newLabel("Destination table:"), False, True)
self.table_name = mforms.newTextEntry()
entry_box.add(self.table_name, True, True)
self.content.add(entry_box, False, True)
entry_box.show(True)
cbox = mforms.newBox(False)
self.column_list = newTreeNodeView(mforms.TreeFlatList)
self.column_list.add_column(mforms.CheckColumnType, "", 40, True)
self.column_list.add_column(mforms.StringColumnType, "Column name", 300, False)
self.column_list.end_columns()
self.column_list.set_size(-1, 100)
cbox.add(self.column_list, False, True)
cbox.add(small_label("Please select columns you'd like to import"), False, True)
self.content.add(cbox, False, True)
cbox.show(True)
options_layer = mforms.newPanel(mforms.TitledBoxPanel)
options_layer.set_title("Additional options")
options_box = mforms.newBox(False)
options_box.set_spacing(12)
options_box.set_padding(12)
boxfailures = mforms.newBox(False)
self.skipfailures_chb = newCheckBox()
self.skipfailures_chb.set_text("Skip failures");
self.skipfailures_chb.set_active(False)
boxfailures.add(self.skipfailures_chb, False, False)
boxfailures.add(small_label("if error occurs, skip it and continue processing the data"), False, False)
options_box.add(boxfailures, False, False)
boxappend = mforms.newBox(False)
self.append_chb = newCheckBox()
self.append_chb.set_text("Append to existing data");
self.append_chb.set_active(False)
boxappend.add(self.append_chb, False, False)
boxappend.add(small_label("append to existing table instead of creating new one"), False, False)
options_box.add(boxappend, False, False)
boxoverwrite = mforms.newBox(False)
self.overwrite_chb = newCheckBox()
self.overwrite_chb.set_text("Overwrite existing data");
self.overwrite_chb.set_active(False)
boxoverwrite.add(self.overwrite_chb, False, False)
boxoverwrite.add(small_label("delete current table and recreate it empty"), False, False)
options_box.add(boxoverwrite, False, False)
options_layer.add(options_box)
options_layer.show(True)
self.content.add(options_layer, False, False)
boxconvert = mforms.newBox(False)
self.cartesian_convert_chb = newCheckBox()
self.cartesian_convert_chb.set_text("Convert data to cartesian coordinate system");
self.cartesian_convert_chb.set_active(True)
boxconvert.add(self.cartesian_convert_chb, False, True)
boxconvert.add(small_label("MySQL supports only Cartesian format. Leaving this checkbox in its initial state will convert the data which may lead to data loss"), False, False)
self.content.add(boxconvert, False, True)
self.get_info()
class ImportProgressPage(WizardProgressPage):
def __init__(self, owner):
WizardProgressPage.__init__(self, owner, "Import Data")
self.add_task(self.prepare_import, "Prepare import")
self.add_threaded_task(self.start_import, "Import data file")
self.importer_time = None
self.importer = None
def get_mysql_password(self, connection):
parameterValues = connection.parameterValues
pwd = parameterValues["password"]
if not pwd:
username = parameterValues["userName"]
host = connection.hostIdentifier
title = "MySQL password for File Import"
accepted, pwd = mforms.Utilities.find_or_ask_for_password(title, host, username, False)
if not accepted:
return None
return pwd
def get_path(self):
return self.main.select_file_page.shapefile_path.get_string_value()
def prepare_import(self):
if self.importer and self.importer.is_running:
mforms.Utilities.show_message("Importing...", "Import thread is already running.", "Ok", "", "")
raise RuntimeError("Import is already running")
self.importer = SpatialImporter()
self.importer.filepath = self.get_path()
if self.importer.filepath == None or not os.path.isfile(self.importer.filepath):
raise RuntimeError("Unable to open specified file: %s" % self.importer.filepath)
self.importer.my_pwd = self.get_mysql_password(self.main.editor.connection)
if self.importer.my_pwd == None:
log_error("Cancelled MySQL password input\n")
raise RuntimeError("Cancelled MySQL password input")
self.importer.my_host = self.main.editor.connection.parameterValues.hostName
self.importer.my_port = self.main.editor.connection.parameterValues.port
self.importer.my_user = self.main.editor.connection.parameterValues.userName
self.importer.my_schema = self.main.selected_schema
self.importer.skipfailures = self.main.content_preview_page.skipfailures_chb.get_active()
self.importer.import_overwrite = self.main.content_preview_page.skipfailures_chb.get_active()
self.importer.import_append = self.main.content_preview_page.append_chb.get_active()
if self.main.content_preview_page.table_name.get_string_value() != "":
self.importer.import_table = self.main.content_preview_page.table_name.get_string_value()
self.importer.selected_fields = ",".join(self.main.content_preview_page.get_fields())
return True
def progress_notify(self, pct, msg):
self.send_progress(pct, msg)
def start_import(self):
self.importer_time = None
start = datetime.now()
self.importer.run(self.progress_notify)
self.importer_time = datetime.now() - start
if self.importer.returncode == 0:
return True
return False
def go_cancel(self):
if self.importer and self.importer.is_running:
if mforms.ResultOk == mforms.Utilities.show_message("Confirmation", "Do you wish to stop import process?", "Yes", "No", "Cancel"):
if self.importer:
self.importer.kill()
class ResultsPage(WizardPage):
def __init__(self, owner):
WizardPage.__init__(self, owner, "Import Results")
def get_path(self):
return self.main.select_file_page.shapefile_path.get_string_value()
def create_ui(self):
if self.main.import_page.importer_time:
itime = float("%d.%d" % (self.main.import_page.importer_time.seconds, self.main.import_page.importer_time.microseconds))
self.content.add(mforms.newLabel(str("File %s was imported in %.3f s" % (self.get_path(), itime))), False, True)
self.content.add(mforms.newLabel(str("Table %s was created" % self.main.content_preview_page.table_name.get_string_value())), False, True)
class SpatialImporterWizard(WizardForm):
def __init__(self, editor):
WizardForm.__init__(self, mforms.Form.main_form())
self.editor = editor
self.selected_schema = None
self.set_title("Load Spatial Data")
self.center()
self.select_file_page = SelectFileWizardPage(self)
self.add_page(self.select_file_page)
self.content_preview_page = ContentPreviewPage(self)
self.add_page(self.content_preview_page)
self.import_page = ImportProgressPage(self)
self.add_page(self.import_page)
self.results_page = ResultsPage(self)
self.add_page(self.results_page)
def set_schema(self, schema_name):
self.select_file_page.schema_label.set_text("Tables will be imported to schema: %s" % schema_name)
self.selected_schema = schema_name
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