def _get_composer_pdf_image(self, width, height, dpi):
pdfpath = getTempfilePath('pdf')
temp_size = os.path.getsize(pdfpath)
p = QPrinter()
p.setOutputFormat(QPrinter.PdfFormat)
p.setOutputFileName(pdfpath)
p.setPaperSize(QSizeF(self._c.paperWidth(), self._c.paperHeight()),
QPrinter.Millimeter)
p.setFullPage(True)
p.setColorMode(QPrinter.Color)
p.setResolution(self._c.printResolution())
pdf_p = QPainter(p)
# page_mm = p.pageRect(QPrinter.Millimeter)
# page_px = p.pageRect(QPrinter.DevicePixel)
# self._c.render(pdf_p, page_px, page_mm)
self._c.renderPage(pdf_p, 0)
pdf_p.end()
if temp_size == os.path.getsize(pdfpath):
# something went pear-shaped
return False, ''
filepath = getTempfilePath('png')
# pdftoppm -singlefile -r 72 -x 0 -y 0 -W 600 -H 400 -png in.pdf pngbase
# mudraw -o out.png -r 72 -w 600 -h 400 -c rgb[a] in.pdf
if PDFUTIL == 'pdftoppm':
filebase = os.path.join(
os.path.dirname(filepath),
os.path.splitext(os.path.basename(filepath))[0]
)
call = [
'pdftoppm', '-singlefile', '-r', str(dpi),
'-x', str(0), '-y', str(0), '-W', str(width), '-H', str(height),
'-png', pdfpath, filebase
]
elif PDFUTIL == 'mudraw':
call = [
'mudraw', '-c', 'rgba',
'-r', str(dpi), '-w', str(width), '-h', str(height),
'-o', filepath, pdfpath
]
else:
return False, ''
res = subprocess.check_call(call)
if not res:
os.unlink(filepath)
filepath = ''
return res, filepath
def checkTest(self, **kwargs):
self.lyr.writeToLayer(self.layer)
ms = self._MapSettings # class settings
settings_type = "Class"
if self._TestMapSettings is not None:
ms = self._TestMapSettings # per test settings
settings_type = "Test"
if "PAL_VERBOSE" in os.environ:
qDebug("MapSettings type: {0}".format(settings_type))
qDebug(mapSettingsString(ms))
img = renderMapToImage(ms, parallel=False)
self._TestImage = getTempfilePath("png")
if not img.save(self._TestImage, "png"):
os.unlink(self._TestImage)
raise OSError("Failed to save output from map render job")
self.saveControlImage(self._TestImage)
mismatch = 0
if "PAL_NO_MISMATCH" not in os.environ:
# some mismatch expected
mismatch = self._Mismatch if self._Mismatch else 0
if self._TestGroup in self._Mismatches:
mismatch = self._Mismatches[self._TestGroup]
colortol = 0
if "PAL_NO_COLORTOL" not in os.environ:
colortol = self._ColorTol if self._ColorTol else 0
if self._TestGroup in self._ColorTols:
colortol = self._ColorTols[self._TestGroup]
self.assertTrue(*self.renderCheck(mismatch=mismatch, colortol=colortol, imgpath=self._TestImage))
def _get_composer_image(self, width, height, dpi):
# image = QImage(QSize(width, height), QImage.Format_ARGB32)
# image.fill(QColor(152, 219, 249).rgb())
# image.setDotsPerMeterX(dpi / 25.4 * 1000)
# image.setDotsPerMeterY(dpi / 25.4 * 1000)
#
# p = QPainter(image)
# p.setRenderHint(QPainter.Antialiasing, False)
# p.setRenderHint(QPainter.HighQualityAntialiasing, False)
# self._c.renderPage(p, 0)
# p.end()
image = self._c.printPageAsRaster(0)
""":type: QImage"""
if image.isNull():
return False, ''
filepath = getTempfilePath('png')
res = image.save(filepath, 'png')
if not res:
os.unlink(filepath)
filepath = ''
return res, filepath
def runSuite(module, tests):
"""This allows for a list of test names to be selectively run.
Also, ensures unittest verbose output comes at end, after debug output"""
loader = unittest.defaultTestLoader
if 'PAL_SUITE' in os.environ:
if tests:
suite = loader.loadTestsFromNames(tests, module)
else:
raise Exception(
"\n\n####__ 'PAL_SUITE' set, but no tests specified __####\n")
else:
suite = loader.loadTestsFromModule(module)
verb = 2 if 'PAL_VERBOSE' in os.environ else 0
res = unittest.TextTestRunner(verbosity=verb).run(suite)
if PALREPORTS:
teststamp = 'PAL Test Report: ' + \
datetime.datetime.now().strftime('%Y-%m-%d %X')
report = '<html><head><title>{0}</title></head><body>'.format(teststamp)
report += '\n<h2>Failed Tests: {0}</h2>'.format(len(PALREPORTS))
for k, v in list(PALREPORTS.items()):
report += '\n<h3>{0}</h3>\n{1}'.format(k, v)
report += '</body></html>'
tmp_name = getTempfilePath('html')
with open(tmp_name, 'wt') as report_file:
report_file.write(report)
openInBrowserTab('file://' + tmp_name)
return res
def checkTest(self, **kwargs):
self.layer.setLabeling(QgsVectorLayerSimpleLabeling(self.lyr))
ms = self._MapSettings # class settings
settings_type = 'Class'
if self._TestMapSettings is not None:
ms = self._TestMapSettings # per test settings
settings_type = 'Test'
if 'PAL_VERBOSE' in os.environ:
qDebug('MapSettings type: {0}'.format(settings_type))
qDebug(mapSettingsString(ms))
img = renderMapToImage(ms, parallel=False)
self._TestImage = getTempfilePath('png')
if not img.save(self._TestImage, 'png'):
os.unlink(self._TestImage)
raise OSError('Failed to save output from map render job')
self.saveControlImage(self._TestImage)
mismatch = 0
if 'PAL_NO_MISMATCH' not in os.environ:
# some mismatch expected
mismatch = self._Mismatch if self._Mismatch else 0
if self._TestGroup in self._Mismatches:
mismatch = self._Mismatches[self._TestGroup]
colortol = 0
if 'PAL_NO_COLORTOL' not in os.environ:
colortol = self._ColorTol if self._ColorTol else 0
if self._TestGroup in self._ColorTols:
colortol = self._ColorTols[self._TestGroup]
self.assertTrue(*self.renderCheck(mismatch=mismatch,
colortol=colortol,
imgpath=self._TestImage))
def run_suite(module, tests):
"""This allows for a list of test names to be selectively run.
Also, ensures unittest verbose output comes at end, after debug output"""
loader = unittest.defaultTestLoader
if 'QGIS_TEST_SUITE' in os.environ and tests:
suite = loader.loadTestsFromNames(tests, module)
else:
suite = loader.loadTestsFromModule(module)
verb = 2 if 'QGIS_TEST_VERBOSE' in os.environ else 0
res = unittest.TextTestRunner(verbosity=verb).run(suite)
if QGIS_TEST_REPORT and len(TESTREPORTS) > 0:
teststamp = 'Local Server Test Report: ' + \
datetime.datetime.now().strftime('%Y-%m-%d %X')
report = '<html><head><title>{0}</title></head><body>'.format(teststamp)
report += '\n<h2>Failed Image Tests: {0}</h2>'.format(len(TESTREPORTS))
for k, v in list(TESTREPORTS.items()):
report += '\n<h3>{0}</h3>\n{1}'.format(k, v)
report += '</body></html>'
tmp_name = getTempfilePath("html")
with open(tmp_name, 'wb') as temp_file:
temp_file.write(report)
openInBrowserTab('file://' + tmp_name)
return res
def _get_composer_image(self, width, height, dpi):
image = QImage(QSize(width, height),
self._TestMapSettings.outputImageFormat())
image.fill(QColor(152, 219, 249).rgb())
image.setDotsPerMeterX(dpi / 25.4 * 1000)
image.setDotsPerMeterY(dpi / 25.4 * 1000)
p = QPainter(image)
p.setRenderHint(
QPainter.Antialiasing,
self._TestMapSettings.testFlag(QgsMapSettings.Antialiasing)
)
self._c.renderPage(p, 0)
p.end()
# image = self._c.printPageAsRaster(0)
# """:type: QImage"""
if image.isNull():
return False, ''
filepath = getTempfilePath('png')
res = image.save(filepath, 'png')
if not res:
os.unlink(filepath)
filepath = ''
return res, filepath
def _get_composer_svg_image(self, width, height, dpi):
# from qgscomposer.cpp, QgsComposer::on_mActionExportAsSVG_triggered,
# line 1909, near end of function
svgpath = getTempfilePath('svg')
temp_size = os.path.getsize(svgpath)
svg_g = QSvgGenerator()
# noinspection PyArgumentList
svg_g.setTitle(QgsProject.instance().title())
svg_g.setFileName(svgpath)
# width and height in pixels
# svg_w = int(self._c.paperWidth() * self._c.printResolution() / 25.4)
# svg_h = int(self._c.paperHeight() * self._c.printResolution() / 25.4)
svg_w = width
svg_h = height
svg_g.setSize(QSize(svg_w, svg_h))
svg_g.setViewBox(QRect(0, 0, svg_w, svg_h))
# because the rendering is done in mm, convert the dpi
# svg_g.setResolution(self._c.printResolution())
svg_g.setResolution(dpi)
sp = QPainter(svg_g)
self._c.renderPage(sp, 0)
sp.end()
if temp_size == os.path.getsize(svgpath):
# something went pear-shaped
return False, ''
image = QImage(width, height, QImage.Format_ARGB32)
image.fill(QColor(152, 219, 249).rgb())
image.setDotsPerMeterX(dpi / 25.4 * 1000)
image.setDotsPerMeterY(dpi / 25.4 * 1000)
svgr = QSvgRenderer(svgpath)
p = QPainter(image)
svgr.render(p)
p.end()
filepath = getTempfilePath('png')
res = image.save(filepath, 'png')
if not res:
os.unlink(filepath)
filepath = ''
# TODO: remove .svg file as well?
return res, filepath
def _get_composer_svg_image(self, width, height, dpi):
# from qgscomposer.cpp, QgsComposer::on_mActionExportAsSVG_triggered,
# near end of function
svgpath = getTempfilePath('svg')
temp_size = os.path.getsize(svgpath)
svg_g = QSvgGenerator()
# noinspection PyArgumentList
svg_g.setTitle(QgsProject.instance().title())
svg_g.setFileName(svgpath)
svg_g.setSize(QSize(width, height))
svg_g.setViewBox(QRect(0, 0, width, height))
svg_g.setResolution(dpi)
sp = QPainter(svg_g)
self._c.renderPage(sp, 0)
sp.end()
if temp_size == os.path.getsize(svgpath):
return False, ''
image = QImage(width, height, self._TestMapSettings.outputImageFormat())
image.fill(QColor(152, 219, 249).rgb())
image.setDotsPerMeterX(dpi / 25.4 * 1000)
image.setDotsPerMeterY(dpi / 25.4 * 1000)
svgr = QSvgRenderer(svgpath)
p = QPainter(image)
p.setRenderHint(
QPainter.Antialiasing,
self._TestMapSettings.testFlag(QgsMapSettings.Antialiasing)
)
p.setRenderHint(QPainter.TextAntialiasing)
svgr.render(p)
p.end()
filepath = getTempfilePath('png')
res = image.save(filepath, 'png')
if not res:
os.unlink(filepath)
filepath = ''
# TODO: remove .svg file as well?
return res, filepath
def saveControlImage(self, tmpimg=''):
# don't save control images for RenderVsOtherOutput (Vs) tests, since
# those control images belong to a different test result
if ('PAL_CONTROL_IMAGE' not in os.environ
or 'Vs' in self._TestGroup):
return
imgpath = self.controlImagePath()
testdir = os.path.dirname(imgpath)
if not os.path.exists(testdir):
os.makedirs(testdir)
imgbasepath = \
os.path.join(testdir,
os.path.splitext(os.path.basename(imgpath))[0])
# remove any existing control images
for f in glob.glob(imgbasepath + '.*'):
if os.path.exists(f):
os.remove(f)
qDebug('Control image for {0}.{1}'.format(self._TestGroup,
self._TestFunction))
if not tmpimg:
# TODO: this can be deprecated, when per-base-test-class rendering
# in checkTest() is verified OK for all classes
qDebug('Rendering control to: {0}'.format(imgpath))
ms = self._MapSettings # class settings
""":type: QgsMapSettings"""
settings_type = 'Class'
if self._TestMapSettings is not None:
ms = self._TestMapSettings # per test settings
settings_type = 'Test'
qDebug('MapSettings type: {0}'.format(settings_type))
img = renderMapToImage(ms, parallel=False)
""":type: QImage"""
tmpimg = getTempfilePath('png')
if not img.save(tmpimg, 'png'):
os.unlink(tmpimg)
raise OSError('Control not created for: {0}'.format(imgpath))
if tmpimg and os.path.exists(tmpimg):
qDebug('Copying control to: {0}'.format(imgpath))
shutil.copyfile(tmpimg, imgpath)
else:
raise OSError('Control not copied to: {0}'.format(imgpath))
def get_capabilities(self, params, browser=False):
assert self.processes_running(), "Server processes not running"
params = self._params_to_upper(params)
if ("REQUEST" in params and params["REQUEST"] != "GetCapabilities") or "REQUEST" not in params:
params["REQUEST"] = "GetCapabilities"
url = self._fcgi_url + "?" + self.process_params(params)
res = urllib.request.urlopen(url)
xml = res.read().decode("utf-8")
if browser:
tmp_name = getTempfilePath("html")
with open(tmp_name, "wt") as temp_html:
temp_html.write(xml)
url = tmp_name
openInBrowserTab(url)
return False, ""
success = "error reading the project file" in xml or "WMS_Capabilities" in xml
return success, xml
def get_capabilities(self, params, browser=False):
assert self.processes_running(), 'Server processes not running'
params = self._params_to_upper(params)
if (('REQUEST' in params and params['REQUEST'] != 'GetCapabilities') or
'REQUEST' not in params):
params['REQUEST'] = 'GetCapabilities'
url = self._fcgi_url + '?' + self.process_params(params)
res = urllib.request.urlopen(url)
xml = res.read().decode('utf-8')
if browser:
tmp_name = getTempfilePath('html')
with open(tmp_name, 'wt') as temp_html:
temp_html.write(xml)
url = tmp_name
openInBrowserTab(url)
return False, ''
success = ('error reading the project file' in xml or
'WMS_Capabilities' in xml)
return success, xml
def get_map(self, params, browser=False):
assert self.processes_running(), 'Server processes not running'
msg = ('Map request parameters should be passed in as a dict '
'(key case can be mixed)')
assert isinstance(params, dict), msg
params = self._params_to_upper(params)
try:
proj = params['MAP']
except KeyError as err:
raise KeyError(str(err) + '\nMAP not found in parameters dict')
if not os.path.exists(proj):
msg = '{0}'.format(proj)
w_proj = os.path.join(self._web_dir, proj)
if os.path.exists(w_proj):
params['MAP'] = w_proj
else:
msg += '\n or\n' + w_proj
raise ServerProcessError(
'GetMap Request Error',
'Project not found at:\n{0}'.format(msg)
)
if (('REQUEST' in params and params['REQUEST'] != 'GetMap') or
'REQUEST' not in params):
params['REQUEST'] = 'GetMap'
url = self._fcgi_url + '?' + self.process_params(params)
if browser:
openInBrowserTab(url)
return False, ''
# try until qgis_mapserv.fcgi process is available (for 20 seconds)
# on some platforms the fcgi_server_process is a daemon handling the
# launch of the fcgi-spawner, which may be running quickly, but the
# qgis_mapserv.fcgi spawned process is not yet accepting connections
resp = None
tmp_png = None
# noinspection PyUnusedLocal
filepath = ''
# noinspection PyUnusedLocal
success = False
start_time = time.time()
while time.time() - start_time < 20:
resp = None
try:
tmp_png = urllib.request.urlopen(url)
except urllib.error.HTTPError as resp:
if resp.code == 503 or resp.code == 500:
time.sleep(1)
else:
raise ServerProcessError(
'Web/FCGI Process Request HTTPError',
'Cound not connect to process: ' + str(resp.code),
resp.message
)
except urllib.error.URLError as resp:
raise ServerProcessError(
'Web/FCGI Process Request URLError',
'Cound not connect to process',
resp.reason
)
else:
delta = time.time() - start_time
print(('Seconds elapsed for server GetMap: ' + str(delta)))
break
if resp is not None:
raise ServerProcessError(
'Web/FCGI Process Request Error',
'Cound not connect to process: ' + str(resp.code)
)
if (tmp_png is not None
and tmp_png.info().getmaintype() == 'image'
and tmp_png.info().getheader('Content-Type') == 'image/png'):
filepath = getTempfilePath('png')
with open(filepath, 'wb') as temp_image:
temp_image.write(tmp_png.read())
success = True
else:
raise ServerProcessError(
'FCGI Process Request Error',
'No valid PNG output'
)
return success, filepath, url
def test_layout_exports(self):
"""Test mask effects in a layout export at 300 dpi"""
# modify labeling settings
label_settings = self.polys_layer.labeling().settings()
fmt = label_settings.format()
# enable a mask
fmt.mask().setEnabled(True)
fmt.mask().setSize(4.0)
# and mask other symbol layers underneath
fmt.mask().setMaskedSymbolLayers([
# the black part of roads
QgsSymbolLayerReference(self.lines_layer.id(),
QgsSymbolLayerId("", 0)),
# the black jets
QgsSymbolLayerReference(self.points_layer.id(),
QgsSymbolLayerId("B52", 0)),
QgsSymbolLayerReference(self.points_layer.id(),
QgsSymbolLayerId("Jet", 0))
])
# add an outer glow effect to the mask
blur = QgsOuterGlowEffect.create({
"enabled": "1",
"blur_level": "6.445",
"blur_unit": "MM",
"opacity": "1",
"spread": "0.6",
"spread_unit": "MM",
"color1": "0,0,255,255",
"draw_mode": "2"
})
fmt.mask().setPaintEffect(blur)
label_settings.setFormat(fmt)
self.polys_layer.labeling().setSettings(label_settings)
layout = QgsLayout(QgsProject.instance())
page = QgsLayoutItemPage(layout)
page.setPageSize(QgsLayoutSize(50, 33))
layout.pageCollection().addPage(page)
map = QgsLayoutItemMap(layout)
map.attemptSetSceneRect(QRectF(1, 1, 48, 32))
map.setFrameEnabled(True)
layout.addLayoutItem(map)
map.setExtent(self.lines_layer.extent())
map.setLayers([self.points_layer, self.lines_layer, self.polys_layer])
image = QImage(591, 591, QImage.Format_RGB32)
image.setDotsPerMeterX(300 / 25.3 * 1000)
image.setDotsPerMeterY(300 / 25.3 * 1000)
image.fill(0)
p = QPainter(image)
exporter = QgsLayoutExporter(layout)
exporter.renderPage(p, 0)
p.end()
tmp = getTempfilePath('png')
image.save(tmp)
control_name = "layout_export"
self.checker.setControlName(control_name)
self.checker.setRenderedImage(tmp)
res = self.checker.compareImages(control_name)
self.report += self.checker.report()
self.assertTrue(res)
def get_map(self, params, browser=False):
assert self.processes_running(), 'Server processes not running'
msg = ('Map request parameters should be passed in as a dict '
'(key case can be mixed)')
assert isinstance(params, dict), msg
params = self._params_to_upper(params)
try:
proj = params['MAP']
except KeyError as err:
raise KeyError(str(err) + '\nMAP not found in parameters dict')
if not os.path.exists(proj):
msg = '{0}'.format(proj)
w_proj = os.path.join(self._web_dir, proj)
if os.path.exists(w_proj):
params['MAP'] = w_proj
else:
msg += '\n or\n' + w_proj
raise ServerProcessError(
'GetMap Request Error',
'Project not found at:\n{0}'.format(msg))
if (('REQUEST' in params and params['REQUEST'] != 'GetMap')
or 'REQUEST' not in params):
params['REQUEST'] = 'GetMap'
url = self._fcgi_url + '?' + self.process_params(params)
if browser:
openInBrowserTab(url)
return False, ''
# try until qgis_mapserv.fcgi process is available (for 20 seconds)
# on some platforms the fcgi_server_process is a daemon handling the
# launch of the fcgi-spawner, which may be running quickly, but the
# qgis_mapserv.fcgi spawned process is not yet accepting connections
resp = None
tmp_png = None
# noinspection PyUnusedLocal
filepath = ''
# noinspection PyUnusedLocal
success = False
start_time = time.time()
while time.time() - start_time < 20:
resp = None
try:
tmp_png = urllib.request.urlopen(url)
except urllib.error.HTTPError as resp:
if resp.code == 503 or resp.code == 500:
time.sleep(1)
else:
raise ServerProcessError(
'Web/FCGI Process Request HTTPError',
'Could not connect to process: ' + str(resp.code),
resp.message)
except urllib.error.URLError as resp:
raise ServerProcessError('Web/FCGI Process Request URLError',
'Could not connect to process',
resp.reason)
else:
delta = time.time() - start_time
print(('Seconds elapsed for server GetMap: ' + str(delta)))
break
if resp is not None:
raise ServerProcessError(
'Web/FCGI Process Request Error',
'Could not connect to process: ' + str(resp.code))
if (tmp_png is not None and tmp_png.info().getmaintype() == 'image'
and tmp_png.info().getheader('Content-Type') == 'image/png'):
filepath = getTempfilePath('png')
with open(filepath, 'wb') as temp_image:
temp_image.write(tmp_png.read())
success = True
else:
raise ServerProcessError('FCGI Process Request Error',
'No valid PNG output')
return success, filepath, url
def _get_layout_pdf_image(self, width, height, dpi):
pdfpath = getTempfilePath('pdf')
temp_size = os.path.getsize(pdfpath)
p = QPrinter()
p.setOutputFormat(QPrinter.PdfFormat)
p.setOutputFileName(pdfpath)
p.setPaperSize(
QSizeF(self._c.pageCollection().page(0).sizeWithUnits().width(),
self._c.pageCollection().page(0).sizeWithUnits().height()),
QPrinter.Millimeter)
p.setFullPage(True)
p.setColorMode(QPrinter.Color)
p.setResolution(self._c.renderContext().dpi())
pdf_p = QPainter(p)
# page_mm = p.pageRect(QPrinter.Millimeter)
# page_px = p.pageRect(QPrinter.DevicePixel)
# self._c.render(pdf_p, page_px, page_mm)
exporter = QgsLayoutExporter(self._c)
exporter.renderPage(pdf_p, 0)
pdf_p.end()
if temp_size == os.path.getsize(pdfpath):
return False, ''
filepath = getTempfilePath('png')
# Poppler (pdftocairo or pdftoppm):
# PDFUTIL -png -singlefile -r 72 -x 0 -y 0 -W 420 -H 280 in.pdf pngbase
# muPDF (mudraw):
# PDFUTIL -c rgb[a] -r 72 -w 420 -h 280 -o out.png in.pdf
if PDFUTIL.strip().endswith('pdftocairo'):
filebase = os.path.join(
os.path.dirname(filepath),
os.path.splitext(os.path.basename(filepath))[0])
call = [
PDFUTIL, '-png', '-singlefile', '-r',
str(dpi), '-x', '0', '-y', '0', '-W',
str(width), '-H',
str(height), pdfpath, filebase
]
elif PDFUTIL.strip().endswith('mudraw'):
call = [
PDFUTIL,
'-c',
'rgba',
'-r',
str(dpi),
'-w',
str(width),
'-h',
str(height),
# '-b', '8',
'-o',
filepath,
pdfpath
]
else:
return False, ''
qDebug("_get_layout_pdf_image call: {0}".format(' '.join(call)))
res = False
try:
subprocess.check_call(call)
res = True
except subprocess.CalledProcessError as e:
qDebug("_get_layout_pdf_image failed!\n"
"cmd: {0}\n"
"returncode: {1}\n"
"message: {2}".format(e.cmd, e.returncode, e.message))
if not res:
os.unlink(filepath)
filepath = ''
return res, filepath
def get_map(self, params, browser=False):
assert self.processes_running(), "Server processes not running"
msg = "Map request parameters should be passed in as a dict " "(key case can be mixed)"
assert isinstance(params, dict), msg
params = self._params_to_upper(params)
try:
proj = params["MAP"]
except KeyError as err:
raise KeyError(str(err) + "\nMAP not found in parameters dict")
if not os.path.exists(proj):
msg = "{0}".format(proj)
w_proj = os.path.join(self._web_dir, proj)
if os.path.exists(w_proj):
params["MAP"] = w_proj
else:
msg += "\n or\n" + w_proj
raise ServerProcessError("GetMap Request Error", "Project not found at:\n{0}".format(msg))
if ("REQUEST" in params and params["REQUEST"] != "GetMap") or "REQUEST" not in params:
params["REQUEST"] = "GetMap"
url = self._fcgi_url + "?" + self.process_params(params)
if browser:
openInBrowserTab(url)
return False, ""
# try until qgis_mapserv.fcgi process is available (for 20 seconds)
# on some platforms the fcgi_server_process is a daemon handling the
# launch of the fcgi-spawner, which may be running quickly, but the
# qgis_mapserv.fcgi spawned process is not yet accepting connections
resp = None
tmp_png = None
# noinspection PyUnusedLocal
filepath = ""
# noinspection PyUnusedLocal
success = False
start_time = time.time()
while time.time() - start_time < 20:
resp = None
try:
tmp_png = urllib.request.urlopen(url)
except urllib.error.HTTPError as resp:
if resp.code == 503 or resp.code == 500:
time.sleep(1)
else:
raise ServerProcessError(
"Web/FCGI Process Request HTTPError",
"Cound not connect to process: " + str(resp.code),
resp.message,
)
except urllib.error.URLError as resp:
raise ServerProcessError(
"Web/FCGI Process Request URLError", "Cound not connect to process", resp.reason
)
else:
delta = time.time() - start_time
print(("Seconds elapsed for server GetMap: " + str(delta)))
break
if resp is not None:
raise ServerProcessError(
"Web/FCGI Process Request Error", "Cound not connect to process: " + str(resp.code)
)
if (
tmp_png is not None
and tmp_png.info().getmaintype() == "image"
and tmp_png.info().getheader("Content-Type") == "image/png"
):
filepath = getTempfilePath("png")
with open(filepath, "wb") as temp_image:
temp_image.write(tmp_png.read())
success = True
else:
raise ServerProcessError("FCGI Process Request Error", "No valid PNG output")
return success, filepath, url
def _get_composer_pdf_image(self, width, height, dpi):
pdfpath = getTempfilePath('pdf')
temp_size = os.path.getsize(pdfpath)
p = QPrinter()
p.setOutputFormat(QPrinter.PdfFormat)
p.setOutputFileName(pdfpath)
p.setPaperSize(QSizeF(self._c.paperWidth(), self._c.paperHeight()),
QPrinter.Millimeter)
p.setFullPage(True)
p.setColorMode(QPrinter.Color)
p.setResolution(self._c.printResolution())
pdf_p = QPainter(p)
# page_mm = p.pageRect(QPrinter.Millimeter)
# page_px = p.pageRect(QPrinter.DevicePixel)
# self._c.render(pdf_p, page_px, page_mm)
self._c.renderPage(pdf_p, 0)
pdf_p.end()
if temp_size == os.path.getsize(pdfpath):
return False, ''
filepath = getTempfilePath('png')
# Poppler (pdftocairo or pdftoppm):
# PDFUTIL -png -singlefile -r 72 -x 0 -y 0 -W 420 -H 280 in.pdf pngbase
# muPDF (mudraw):
# PDFUTIL -c rgb[a] -r 72 -w 420 -h 280 -o out.png in.pdf
if PDFUTIL.strip().endswith('pdftocairo'):
filebase = os.path.join(
os.path.dirname(filepath),
os.path.splitext(os.path.basename(filepath))[0]
)
call = [
PDFUTIL, '-png', '-singlefile', '-r', str(dpi),
'-x', '0', '-y', '0', '-W', str(width), '-H', str(height),
pdfpath, filebase
]
elif PDFUTIL.strip().endswith('mudraw'):
call = [
PDFUTIL, '-c', 'rgba',
'-r', str(dpi), '-w', str(width), '-h', str(height),
# '-b', '8',
'-o', filepath, pdfpath
]
else:
return False, ''
qDebug("_get_composer_pdf_image call: {0}".format(' '.join(call)))
res = False
try:
subprocess.check_call(call)
res = True
except subprocess.CalledProcessError as e:
qDebug("_get_composer_pdf_image failed!\n"
"cmd: {0}\n"
"returncode: {1}\n"
"message: {2}".format(e.cmd, e.returncode, e.message))
if not res:
os.unlink(filepath)
filepath = ''
return res, filepath
