updated help of some commands

scrapy/command/commands/crawl.py

@@ -9,10 +9,10 @@ from scrapy import log
 
 class Command(ScrapyCommand):
     def syntax(self):
-        return "[options] [domain|url] ..."
+        return "[options] <domain|url> ..."
 
     def short_desc(self):
-        return "Run the web scraping engine from the command line"
+        return "Start crawling a domain or URL"
 
     def add_options(self, parser):
         ScrapyCommand.add_options(self, parser)

scrapy/command/commands/genspider.py

@@ -15,10 +15,10 @@ class Command(ScrapyCommand):
     custom_tvars = {}
 
     def syntax(self):
-        return "<spider_name> <spider_domain_name> [--template=template_name]"
+        return "[options] <spider_name> <spider_domain_name>"
 
     def short_desc(self):
-        return "Generate new spider based on a predefined template"
+        return "Generate new spider based on template passed with --template"
 
     def add_options(self, parser):
         ScrapyCommand.add_options(self, parser)

scrapy/command/commands/list.py

@@ -2,9 +2,6 @@ from scrapy.command import ScrapyCommand
 from scrapy.spider import spiders
 
 class Command(ScrapyCommand):
-    def syntax(self):
-        return ""
-    
     def short_desc(self):
         return "List available spiders"
 

scrapy/command/commands/start.py

@@ -1,16 +1,9 @@
 from scrapy.command import ScrapyCommand
 from scrapy.core.manager import scrapymanager
 
-
 class Command(ScrapyCommand):
-    def syntax(self):
-        return "[options]"
-
     def short_desc(self):
-        return "Start the Scrapy server"
-
-    def add_options(self, parser):
-        ScrapyCommand.add_options(self, parser)
+        return "Start the Scrapy manager but don't run any spider (idle mode)"
 
     def run(self, args, opts):
         scrapymanager.start(*args)