def alignment_view(request, mission, file_type):
""" Django view function to perform the alignment check.
"""
collection = models.Collection.objects.get(
mission=mission, file_type=file_type
)
config = collection.configuration
records = None
locations = None
locations_with_no_checksum = None
frmt = "html"
if request.method == "POST":
form = forms.AlignmentForm(
collection.locations.order_by("pk"),
config.available_alignment_fields or [],
request.POST
)
pagination_form = forms.PaginationForm(request.POST)
if form.is_valid() and pagination_form.is_valid():
frmt = form.cleaned_data.pop("format")
observer = monitor(
"alignment_check", mission=mission, file_type=file_type,
**form.cleaned_data
)
with observer:
locations, qs = queries.alignment(collection, form.cleaned_data)
page = pagination_form.cleaned_data.pop("page")
per_page = pagination_form.cleaned_data.pop("records_per_page")
if frmt == "html":
records = Paginator(qs, per_page).page(page)
else:
records = qs
locations_with_no_checksum = [
location for location in locations or []
if collection.get_metadata_field_mapping(location).get("checksum") is None
]
else:
form = forms.AlignmentForm(
collection.locations.order_by("pk"),
config.available_alignment_fields or []
)
pagination_form = forms.PaginationForm(
initial={'page': '1', 'records_per_page': '15'}
)
if frmt == "html":
return render(
request, "inventory/collection/alignment.html", {
"collections": models.Collection.objects.all(),
"collection": collection, "alignment_form": form,
"pagination_form": pagination_form, "records": records,
"locations": locations,
"locations_with_no_checksum": locations_with_no_checksum
}
)
elif frmt in ("csv", "tsv"):
f = tempfile.SpooledTemporaryFile()
writer = csv.writer(f, delimiter="," if frmt == "csv" else "\t")
header = ["filename"]
for location in locations:
header.extend([
"checksum %s" % location.url,
"prevalence %s" % location.url
])
header.append("annotations")
writer.writerow(header)
for row in qs:
writer.writerow(
[row["filename"]] +
[item for incidence in row["incidences"] for item in incidence] +
list(row["annotations"])
)
size = f.tell()
f.seek(0)
response = StreamingHttpResponse(f, content_type="text/csv")
response["Content-Length"] = str(size)
response["Content-Disposition"] = (
'inline; filename="alignment-%s.csv"' % (
now().replace(microsecond=0, tzinfo=None).isoformat("T")
)
)
return response
def alignment_view(request, mission, file_type):
""" Django view function to perform the alignment check.
"""
collection = models.Collection.objects.get(mission=mission,
file_type=file_type)
config = collection.configuration
records = None
locations = None
locations_with_no_checksum = None
frmt = "html"
if request.method == "POST":
form = forms.AlignmentForm(collection.locations.order_by("pk"),
config.available_alignment_fields or [],
request.POST)
pagination_form = forms.PaginationForm(request.POST)
if form.is_valid() and pagination_form.is_valid():
frmt = form.cleaned_data.pop("format")
observer = monitor("alignment_check",
mission=mission,
file_type=file_type,
**form.cleaned_data)
with observer:
locations, qs = queries.alignment(collection,
form.cleaned_data)
page = pagination_form.cleaned_data.pop("page")
per_page = pagination_form.cleaned_data.pop("records_per_page")
if frmt == "html":
records = Paginator(qs, per_page).page(page)
else:
records = qs
locations_with_no_checksum = [
location for location in locations or []
if collection.get_metadata_field_mapping(location).get(
"checksum") is None
]
else:
form = forms.AlignmentForm(collection.locations.order_by("pk"),
config.available_alignment_fields or [])
pagination_form = forms.PaginationForm(initial={
'page': '1',
'records_per_page': '15'
})
if frmt == "html":
return render(
request, "inventory/collection/alignment.html", {
"collections": models.Collection.objects.all(),
"collection": collection,
"alignment_form": form,
"pagination_form": pagination_form,
"records": records,
"locations": locations,
"locations_with_no_checksum": locations_with_no_checksum
})
elif frmt in ("csv", "tsv"):
f = tempfile.SpooledTemporaryFile()
writer = csv.writer(f, delimiter="," if frmt == "csv" else "\t")
header = ["filename"]
for location in locations:
header.extend(
["checksum %s" % location.url,
"prevalence %s" % location.url])
header.append("annotations")
writer.writerow(header)
for row in qs:
writer.writerow([row["filename"]] + [
item for incidence in row["incidences"] for item in incidence
] + list(row["annotations"]))
size = f.tell()
f.seek(0)
response = StreamingHttpResponse(f, content_type="text/csv")
response["Content-Length"] = str(size)
response["Content-Disposition"] = (
'inline; filename="alignment-%s.csv"' %
(now().replace(microsecond=0, tzinfo=None).isoformat("T")))
return response
def test_simple(self):
results = queries.alignment(
models.Collection.objects.get(mission="Landsat5",
file_type="SIP-SCENE"))
print results
