# == Makefile for Trac related tasks (beyond those supported by setuptools) ==
#
# Automating testing, i18n tasks, documentation generation, ... see HELP below
# ----------------------------------------------------------------------------
#
# Note about customization:
#   No changes to the present Makefile should be necessary,
#   rather copy Makefile.cfg.sample to Makefile.cfg and adapt it
#   to match your local environment.
#
# Note that this is a GNU Makefile, nmake and other abominations are
# not supported.
#
# ============================================================================

define HELP

 Please use `make <target>' where <target> is one of:

  clean               delete all compiled files
  status              show which Python is used and other infos

  [python=...]        variable for selecting Python version
  [pythonopts=...]    variable containing extra options for the interpreter

 ---------------- Testing tasks

  unit-test           run unit tests
  functional-test     run functional tests
  test-wiki           shortcut for running all wiki unit tests
  test                run all tests
  coverage            run all tests, under coverage
  figleaf             run all tests, under figleaf

  [db=...]            variable for selecting database backend
  [test=...]          variable for selecting a single test file
  [testopts=...]      variable containing extra options for running tests
  [coverageopts=...]  variable containing extra options for coverage

 ---------------- Code checking tasks

  pylint              check code with pylint

 ---------------- Standalone test server

  [start-]server      start tracd

  [port=...]          variable for selecting the port
  [auth=...]          variable for specifying authentication
  [env=...]           variable for the trac environment or parent dir
  [tracdopts=...]     variable containing extra options for tracd

 ---------------- L10N tasks

  init-xy             create catalogs for given xy locale

  extraction          regenerate the catalog templates

  update              update all the catalog files from the templates
  update-xy           update the catalogs for the xy locale only

  compile             compile all the catalog files
  compile-xy          compile the catalogs for the xy locale only

  check               verify all the catalog files
  check-xy            verify the catalogs for the xy locale only

  stats               detailed translation statistics for all catalogs
  stats-pot           total messages in the catalog templates
  stats-xy            translated, fuzzy, untranslated for the xy locale only

  summary             display percent translated for all catalogs
  summary-xy          display percent translated for the xy locale only
                      (suitable for a commit message)

  diff                show relevant changes after an update for all catalogs
  diff-xy             show relevant changes after an update for the xy locale
  [vc=...]            variable containing the version control command to use

  [locale=...]        variable for selecting a set of locales

  [updateopts=...]    variable containing extra options for update (e.g. -N)

 ---------------- Documentation tasks

  apidoc|sphinx       generate the Sphinx documentation (all specified formats)
  apidoc-html         generate the Sphinx documentation in HTML format
  apidoc-pdf          generate the Sphinx documentation in PDF format
  apidoc-check        check for missing symbols in Sphinx documentation

  apiref|epydoc       generate the full API reference using Epydoc

  [sphinxformat=...]  list of formats for generated documentation
  [sphinxopts=...]    variable containing extra options for Sphinx
  [sphinxopts-html=...] variable containing extra options used for html format
  [epydocopts=...]    variable containing extra options for Epydoc
  [dotpath=/.../dot]  path to Graphviz dot program (not used yet)

 ---------------- Miscellaneous

  start-admin         start trac-admin (on `env')
  start-python        start the Python interpreter

  [adminopts=...]     variable containing extra options for trac-admin

endef
export HELP

# ' (keep emacs font-lock happy)

define HELP_CFG
 It looks like you don't have a Makefile.cfg file yet.
 You can get started by doing `cp Makefile.cfg.sample Makefile.cfg'
 and then adapt it to your environment.
endef
export HELP_CFG

# ============================================================================

# ----------------------------------------------------------------------------
#
# Main targets
#
# ----------------------------------------------------------------------------

.PHONY: all help status clean clean-bytecode clean-mo

%.py : status
	$(PYTHON) setup.py -q test -s $(subst /,.,$(@:.py=)).test_suite $(testopts)

ifdef test
all: status
	$(PYTHON) setup.py -q test -s $(subst /,.,$(test:.py=)).test_suite $(testopts)
else
all: help
endif

help: Makefile.cfg
	@echo "$$HELP"


Makefile.cfg:
	@echo "$$HELP_CFG"

status:
	@echo
	@echo "Python: $$(which $(PYTHON)) $(pythonopts)"
	@echo
	@$(PYTHON) contrib/make_status.py
	@echo
	@echo "Variables:"
	@echo "  PATH=$$PATH"
	@echo "  PYTHONPATH=$$PYTHONPATH"
	@echo "  TRAC_TEST_DB_URI=$$TRAC_TEST_DB_URI"
	@echo "  server-options=$(server-options)"
	@echo
	@echo "External dependencies:"
	@printf "  Git version: "
	@git --version 2>/dev/null || echo "not installed"
	@printf "  Subversion version: "
	@svn --version -q 2>/dev/null || echo "not installed"
	@echo

Trac.egg-info: status
	$(PYTHON) setup.py egg_info

clean: clean-bytecode clean-figleaf clean-coverage clean-doc

clean-bytecode:
	find . -name \*.py[co] -exec rm {} \;

Makefile: ;

# ----------------------------------------------------------------------------
#
# Copy Makefile.cfg.sample to Makefile.cfg and adapt to your local
# environment, no customizations to the present Makefile should be
# necessary.
#
#
-include Makefile.cfg
#
# ----------------------------------------------------------------------------


# ----------------------------------------------------------------------------
#
# L10N related tasks
#
# ----------------------------------------------------------------------------

catalogs = messages messages-js tracini

ifdef locale
    locales = $(locale)
else
    locales = $(wildcard trac/locale/*/LC_MESSAGES/messages.po)
    locales := $(subst trac/locale/,,$(locales))
    locales := $(subst /LC_MESSAGES/messages.po,,$(locales))
    locales := $(sort $(locales))
endif

# Note: variables only valid within a $(foreach catalog,...) evaluation
catalog.po = trac/locale/$(*)/LC_MESSAGES/$(catalog).po
catalog.pot = trac/locale/$(catalog).pot
catalog_stripped = $(subst messages,,$(subst -,,$(catalog)))
_catalog = $(if $(catalog_stripped),_)$(catalog_stripped)

.PHONY: extract extraction update compile check stats summary diff


init-%:
	@$(foreach catalog,$(catalogs), \
	    [ -e $(catalog.po) ] \
	    && echo "$(catalog.po) already exists" \
	    || $(PYTHON) setup.py init_catalog$(_catalog) -l $(*);)


extract extraction:
	$(PYTHON) setup.py $(foreach catalog,$(catalogs),\
	    extract_messages$(_catalog))


update-%:
	$(PYTHON) setup.py $(foreach catalog,$(catalogs), \
	    update_catalog$(_catalog) -l $(*)) $(updateopts)

ifdef locale
update: $(addprefix update-,$(locale))
else
update:
	$(PYTHON) setup.py $(foreach catalog,$(catalogs), \
	    update_catalog$(_catalog)) $(updateopts)
endif


compile-%:
	$(PYTHON) setup.py $(foreach catalog,$(catalogs), \
	    compile_catalog$(_catalog) -l $(*)) \
	    generate_messages_js -l $(*)

ifdef locale
compile: $(addprefix compile-,$(locale))
else
compile:
	$(PYTHON) setup.py $(foreach catalog,$(catalogs), \
	    compile_catalog$(_catalog)) generate_messages_js
endif


check: pre-check $(addprefix check-,$(locales))
	@echo "All catalogs checked are OK"

pre-check:
	@echo "checking catalogs for $(locales)..."

check-%:
	@printf "$(@): "
	$(PYTHON) setup.py $(foreach catalog,$(catalogs), \
	    check_catalog$(_catalog) -l $(*))
	@$(foreach catalog,$(catalogs), \
	    msgfmt --check $(catalog.po) &&) echo msgfmt OK
	@rm -f messages.mo


stats: pre-stats $(addprefix stats-,$(locales))

pre-stats: stats-pot
	@echo "translation statistics for $(locales)..."

stats-pot:
	@echo "translation statistics for catalog templates:"
	@$(foreach catalog,$(catalogs), \
	    printf "$(catalog.pot): "; \
	    msgfmt --statistics $(catalog.pot);)
	@rm -f messages.mo

stats-%:
	@$(foreach catalog,$(catalogs), \
	    [ -e $(catalog.po) ] \
	    && { printf "$(catalog.po): "; \
	         msgfmt --statistics $(catalog.po); } \
	    || echo "$(catalog.po) doesn't exist (make init-$(*))";)
	@rm -f messages.mo


summary: $(addprefix summary-,$(locales))

define untranslated-sh
LC_ALL=C msgfmt --statistics $(catalog.pot) 2>&1 \
  | tail -1 \
  | sed -e 's/0 translated messages, \([0-9]*\) un.*/\1/'
endef

define translated-sh
{ LC_ALL=C msgfmt --statistics $(catalog.po) 2>&1 || echo 0; } \
    | tail -1 \
    | sed -e 's/[^0-9]*\([0-9]*\) translated.*/\1/'
endef

MESSAGES_TOTAL = \
    $(eval MESSAGES_TOTAL := ($(foreach catalog,$(catalogs), \
                                  $(shell $(untranslated-sh)) + ) 0)) \
    $(MESSAGES_TOTAL)

summary-%:
	@$(PYTHON) -c "print('l10n/$(*): translations updated (%d%%)' \
	    % (($(foreach catalog,$(catalogs), \
	          $(shell $(translated-sh)) + ) 0) * 100.0 \
	       / $(MESSAGES_TOTAL)))"
	@rm -f messages.mo


diff: $(addprefix diff-,$(locales))

vc ?= svn

diff-%:
	@diff=l10n-$(*).diff; \
	$(vc) diff trac/locale/$(*) > $$diff; \
	[ -s $$diff ] && { \
	    printf "# $(*) changed -> "; \
	    $(PYTHON) contrib/l10n_diff_index.py $$diff; \
	} || rm $$diff

# The above create l10n-xy.diff files but also a  l10n-xy.diff.index
# file pointing to "interesting" diffs (message changes or addition
# for valid msgid).
#
# See also contrib/l10n_sanitize_diffs.py, which removes in-file
# *conflicts* for line change only.

clean-mo:
	find trac/locale -name \*.mo -exec rm {} \;
	find trac/htdocs/js/messages -name \*.js -exec rm {} \;


# ----------------------------------------------------------------------------
#
# Testing related tasks
#
# ----------------------------------------------------------------------------

.PHONY: test unit-test functional-test test-wiki

test: unit-test functional-test

unit-test: Trac.egg-info
	$(PYTHON) ./trac/test.py --skip-functional-tests $(testopts)

functional-test: Trac.egg-info
	$(PYTHON) trac/tests/functional/__init__.py $(testopts)

test-wiki:
	$(PYTHON) trac/tests/allwiki.py $(testopts)

# ----------------------------------------------------------------------------
#
# Code checking tasks
#
# ----------------------------------------------------------------------------

.PHONY: pylint

pylint:
	pylint \
	    --include-ids=y --persistent=n --comment=n --init-import=y \
	    --disable=E0102,E0211,E0213,E0602,E0611,E1002,E1101,E1102,E1103 \
	    --disable=F0401 \
	    --disable=W0102,W0141,W0142,W0201,W0212,W0221,W0223,W0231,W0232, \
	    --disable=W0401,W0511,W0603,W0613,W0614,W0621,W0622,W0703 \
	    --disable=C0103,C0111 \
	    trac tracopt

# ----------------------------------------------------------------------------
#
# Coverage related tasks
#
# (see http://nedbatchelder.com/code/coverage/)
#
# ----------------------------------------------------------------------------

COVERAGEOPTS ?= --branch --source=trac,tracopt

.PHONY: coverage clean-coverage show-coverage

coverage: clean-coverage test-coverage show-coverage

clean-coverage:
	coverage erase
	@rm -fr htmlcov

ifdef test
test-coverage:
	coverage run $(test) $(testopts)
else
test-coverage: unit-test-coverage functional-test-coverage
endif

unit-test-coverage:
	coverage run -a $(coverageopts) $(COVERAGEOPTS) \
	    trac/test.py --skip-functional-tests $(testopts)

functional-test-coverage:
	FIGLEAF='coverage run -a $(coverageopts) $(COVERAGEOPTS)' \
	$(PYTHON) trac/tests/functional/__init__.py -v $(testopts)

show-coverage: htmlcov/index.html
	$(if $(START),$(START) $(<))

htmlcov/index.html:
	coverage html --omit=*/__init__.py

# ----------------------------------------------------------------------------
#
# Figleaf based coverage tasks
#
# (see http://darcs.idyll.org/~t/projects/figleaf/doc/)
#
# ** NOTE: there are still several issues with this **
#  - as soon as a DocTestSuite is run, figleaf gets confused
#  - functional-test-figleaf is broken (no .figleaf generated)
#
# ----------------------------------------------------------------------------

.PHONY: figleaf clean-figleaf show-figleaf

figleaf: clean-figleaf test-figleaf show-figleaf

clean-figleaf:
	rm -f .figleaf* *.figleaf
	rm -fr figleaf

show-figleaf: figleaf/index.html

figleaf/index.html: $(wildcard *.figleaf)
	figleaf2html \
	    --output-directory=figleaf \
	    --exclude-patterns=trac/tests/figleaf-exclude \
	    *.figleaf


.PHONY: test-figleaf  unit-test-figleaf functional-test-figleaf

test-figleaf: unit-test-figleaf functional-test-figleaf

unit-test-figleaf: unit-test.figleaf

functional-test-figleaf: functional-test.figleaf


functional-test.figleaf: Trac.egg-info
	rm -f .figleaf
	FIGLEAF=figleaf $(PYTHON) trac/tests/functional/testcases.py -v
	@mv .figleaf $(@)

unit-test.figleaf: Trac.egg-info
	rm -f .figleaf
	figleaf trac/test.py --skip-functional-tests
	@mv .figleaf $(@)


# ----------------------------------------------------------------------------
#
# Tracd related tasks
#
# ----------------------------------------------------------------------------

port ?= 8000
tracdopts ?= -r

define server-options
 $(if $(port),-p $(port))\
 $(if $(auth),-a '$(auth)')\
 $(tracdopts)\
 $(if $(wildcard $(env)/VERSION),$(env),-e $(env))
endef

.PHONY: server start-server tracd start-tracd

server tracd start-tracd: start-server

start-server: Trac.egg-info
ifdef env
	$(PYTHON) trac/web/standalone.py $(server-options)
else
	@echo "\`env' variable was not specified. See \`make help'."
endif


.PHONY: trac-admin start-admin

trac-admin: start-admin

start-admin:
ifneq "$(wildcard $(env)/VERSION)" ""
	@$(PYTHON) trac/admin/console.py $(env) $(adminopts)
else
	@echo "\`env' variable was not specified or doesn't point to one env."
endif


.PHONY: start-python

start-python:
	@$(PYTHON)
# (this doesn't seem to be much, but we're taking benefit of the
# environment setup we're doing below)


# ----------------------------------------------------------------------------
#
# Documentation related tasks
#
# ----------------------------------------------------------------------------

.PHONY: apidoc sphinx apidoc-check apiref epydoc clean-doc

# We also try to honor the "conventional" environment variables used by Sphinx
sphinxopts ?= $(SPHINXOPTS)
SPHINXBUILD ?= sphinx-build
BUILDDIR ?= build/doc
PAPER ?= a4
sphinxopts-latex ?= -D latex_paper_size=$(PAPER)
sphinxformat = html

sphinx: apidoc
apidoc: $(addprefix apidoc-,$(sphinxformat))

apidoc-check:
	@$(PYTHON) doc/utils/checkapidoc.py

apidoc-%:
	@$(SPHINXBUILD) -b $(*) \
	    $(sphinxopts) $(sphinxopts-$(*)) \
	    -d build/doc/doctree \
	    doc $(BUILDDIR)/$(*)


epydoc: apiref
apiref: doc-images
	@$(PYTHON) doc/utils/runepydoc.py --config=doc/utils/epydoc.conf \
	    $(epydocopts) $(if $(dotpath),--dotpath=$(dotpath))

doc-images: $(addprefix build/,$(wildcard doc/images/*.png))
build/doc/images/%: doc/images/% | build/doc/images
	@cp $(<) $(@)
build/doc/images:
	@mkdir -p $(@)

clean-doc:
	rm -fr build/doc



# ============================================================================
#
# Setup environment variables

PYTHON ?= python
PYTHON := $(PYTHON) $(pythonopts)

python-home := $(python.$(or $(python),$($(db).python)))

ifeq "$(findstring ;,$(PATH))" ";"
    SEP = ;
    START ?= start
else
    SEP = :
    START ?= xdg-open
endif

ifeq "$(OS)" "Windows_NT"
    ifndef python-home
        # Detect location of current python
        python-exe := $(shell python -c 'import sys; print(sys.executable)')
        python-home := $(subst \python.exe,,$(python-exe))
        ifeq "$(SEP)" ":"
            python-home := /$(subst :,,$(subst \,/,$(python-home)))
        endif
    endif
    python-bin = $(python-home)$(SEP)$(python-home)/Scripts
endif

define prepend-path
$(if $2,$(if $1,$1$(SEP)$2,$2),$1)
endef

PATH-extension = $(call prepend-path,$(python-bin),$(path.$(python)))
PYTHONPATH-extension = $(call prepend-path,.,$(pythonpath.$(python)))

export PATH := $(call prepend-path,$(PATH-extension),$(PATH))
export PYTHONPATH := $(call prepend-path,$(PYTHONPATH-extension),$(PYTHONPATH))
export TRAC_TEST_DB_URI = $($(db).uri)

# Misc.
space = $(empty) $(empty)
comma = ,
# ----------------------------------------------------------------------------