diff options
Diffstat (limited to 'reproduce/src/make/download.mk')
| -rw-r--r-- | reproduce/src/make/download.mk | 57 |
1 files changed, 44 insertions, 13 deletions
diff --git a/reproduce/src/make/download.mk b/reproduce/src/make/download.mk index 9617a45..180d2cf 100644 --- a/reproduce/src/make/download.mk +++ b/reproduce/src/make/download.mk @@ -25,20 +25,51 @@ -# Download SURVEY data +# Download input data # -------------------- # -# Data from a survey (for example an imaging survey) usually have a special -# file-name format which should be set here in the `foreach' loop. Note -# that the `foreach' function needs the backslash (`\') at the end of the -# line when it is broken into multiple lines. -all-survey = $(foreach f, $(filters-survey), \ - $(SURVEY)/a-special-format-$(f).fits \ - $(SURVEY)/a-possibly-additional-$(f)-format.fits ) -$(SURVEY):; mkdir $@ -$(all-survey): $(SURVEY)/%: | $(SURVEY) $(lockdir) - flock $(lockdir)/download -c "$(DOWNLOADER) $@ $(web-survey)/$*" +# The input dataset properties are defined in `$(pconfdir)/INPUTS.mk'. For +# this template pipeline we only have one dataset to enable easy +# processing, so all the extra checks in this rule may seem +# redundant. +# +# However, in a real project, you will need more than one dataset. In that +# case, just add them to the target list and add an `elif' statement to +# define it in the recipe. +# +# Download lock file: Most systems have a single connection to the +# internet, therefore downloading is inherently done in series. As a +# result, when more than one dataset is necessary for download, if they are +# done in parallel, the speed will be slower than downloading them in +# series. We thus use the `flock' program to tie/lock the downloading +# process with a file and make sure that only one downloading event is in +# progress at every moment. +$(indir):; mkdir $@ +inputdatasets = $(foreach i, $(WFPC2IMAGE), $(indir)/$(i)) +$(inputdatasets): $(indir)/%: | $(indir) $(lockdir) + + # Set the necessary parameters for this input file. + if [ $* = $(WFPC2IMAGE) ]; then url=$(WFPC2URL); mdf=$(WFPC2MD5); + else + echo; echo; echo "Not recognized input dataset: '$*'." + echo; echo; exit 1 + fi + + # Download (or make the link to) the input dataset. + if [ -f $(INDIR)/$* ]; then + ln -s $(INDIR)/$* $@ + else + flock $(lockdir)/download $(DOWNLOADER) $@ $$url/$* + fi + # Check the md5 sum to see if this is the proper dataset. + sum=$$(md5sum $@ | awk '{print $$1}') + if [ $$sum != $$mdf ]; then + wrongname=$(dir $@)/wrong-$(notdir $@) + mv $@ $$wrongname + echo; echo; echo "Wrong MD5 checksum for '$*' in $$wrongname" + echo; echo; exit 1 + fi @@ -49,5 +80,5 @@ $(all-survey): $(SURVEY)/%: | $(SURVEY) $(lockdir) # # It is very important to mention the address where the data were # downloaded in the final report. -$(mtexdir)/download.tex: $(pconfdir)/web.mk | $(mtexdir) - @echo "\\newcommand{\\websurvey}{$(web-survey)}" > $@ +$(mtexdir)/download.tex: $(pconfdir)/INPUTS.mk | $(mtexdir) + echo "\\newcommand{\\wfpctwourl}{$(WFPC2URL)}" > $@ |