get_dmrmarc_json.py: clarify python-requests requirment

Author: stefansaraev

README.de.md

@@ -36,18 +36,19 @@ Ebenso sind zur Nutzung folgende Pakete erforderlich:
 * Python 2.7 or newer: http://www.python.org
 * PyUSB 1.0: (0.4 does not work.) http://sourceforge.net/apps/mediawiki/pyusb/
 * libusb 1.0: (0.4 does not work.) http://www.libusb.org/
+* python-requests: http://python-requests.org/
 
 #### Automatische Installation der benötigten Pakete
 
 Debian Stretch:
 
     apt-get install gcc-arm-none-eabi binutils-arm-none-eabi \
-            libnewlib-arm-none-eabi libusb-1.0 python-usb
+            libnewlib-arm-none-eabi libusb-1.0 python-usb python-requests
 
 Debian Jessie / Ubuntu 16.04 LTS:
 
     apt-get install gcc-arm-none-eabi binutils-arm-none-eabi libusb-1.0 git \
-                    libnewlib-arm-none-eabi make curl python-pip unzip
+                    libnewlib-arm-none-eabi make curl python-pip python-requests unzip
     pip install pyusb -U # update PyUSB to 1.0
 
 

README.md

@@ -113,6 +113,9 @@ repository.  We use a heap-less printf library under the BSD license.
 * libusb 1.0: (0.4 does not work.)
   http://www.libusb.org/
 
+* python-requests
+  http://python-requests.org/
+
 This project should work across Linux, Mac OS, and Windows, but has
 not been tested on all platforms.  A separate client, MD380Tool,
 is under development for Android.

db/Makefile

@@ -32,7 +32,7 @@ dmrmarc2.tmp: dmrmarc.tmp
 	awk -F, -f insert_nick.awk <$< >$@
 
 dmrmarc.tmp:
-	python2 get_dmrmarc_json.py >$@ 2>get_dmrmarc.errors
+	python2 get_dmrmarc_json.py >$@
 
 reflector.tmp:
 	curl $(CURL_FLAGS) 'http://registry.dstar.su/reflector.db' | perl -pe '$$_ = "" if ( $$. == 1 ); s#@#,#; s#@.*#,,,,,,#' >$@

db/get_dmrmarc_json.py

@@ -3,9 +3,15 @@
 # KD4Z
 # dmr-marc decided to stop offering CSV output format, so json here we come
 
-import requests
 import sys
 
+try:
+	import requests
+except ImportError as e:
+	sys.stderr.write('\n' + str(e) + '\n')
+	sys.stderr.write('\nERROR: please install python-requests\n\n')
+	exit(127)
+
 def noCommas(field):
 	try:
 

docs/debian.md

@@ -5,7 +5,7 @@
 #### Debian Stretch: ####
 
     apt-get install gcc-arm-none-eabi binutils-arm-none-eabi libnewlib-arm-none-eabi \
-                    libusb-1.0 python-usb make curl
+                    libusb-1.0 python-usb python-requests make curl
 
 #### Debian Jessie (using backports.debian.org): ####
 
@@ -23,7 +23,7 @@ Install python-usb from backports, the rest from Jessie
 
      apt -t jessie-backports install python-usb
      apt install gcc-arm-none-eabi binutils-arm-none-eabi libnewlib-arm-none-eabi \
-                 libusb-1.0 make curl
+                 libusb-1.0 make curl python-requests
 
 #### Debian Jessie (using python-pip): ####
 

docs/raspi.md

@@ -7,7 +7,7 @@
 Tested on 2016-05-10-raspbian-jessie by IZ2XBZ
 ```
 sudo apt-get install gcc-arm-none-eabi binutils-arm-none-eabi libusb-1.0 \
-             libnewlib-arm-none-eabi make curl
+             libnewlib-arm-none-eabi make curl python-requests
 
 Tested on 2017-03-02-raspbian-jessie by YT5ZEC (dragstor):    
 In addition to the notes above, install the following pip package, in order to get cable to work.